Carro Actuador

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    LM Guide and Ball Screw

    in One Compact Unit Meeting All Requirements

    for Rigidity and Precision

    Broad Range of Sizes Available

    THK CO., LTD.TOKYO, JAPAN Catalogue No. 209-5EU

    KRLM Guide Actuator

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    2

    Construction and Features

    Fig. 2 Load-Bearing Capacity of Type KR

    Fig. 1 Construction of LM Guide Actuator KR

    Four-way Equal LoadLoad-bearing ball races are arranged with two on each

    side, thus constituting a double-row angular-contact

    design. As this design can bear an equal rated load in all

    four directions (upward and downward, right and left),

    the mounting direction of the unit is not limited. The LM

    Guide Actuator is therefore suited for applications where

    the loading direction is not fixed, as in the motion of a

    Cartesian coordinate robot arm etc.

    The one-piece structure of the LM Guide, with a U-

    shaped outer rail and the ball screw in the center of the

    inner block, provides high rigidity and excellent accura-

    cy and requires minimal installation space to combine

    rigid and precise functioning with a minimum size.

    LM Guide Actuator KR

    Housing A

    Outer rail

    Grease nipple

    Inner block

    Ball Screw

    Housing B

    Double-row ball train

    Ball races are arranged at a contact angle of 45 in rela-

    tion to one another so that each race of balls bears an

    equal load rating on the inner block in all four directions:

    radial, reverse-radial, and the two lateral directions.

    Thus, this type can be used in any installation direction.

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    3

    Fig. 5 KR Contact Structure

    Fig. 3

    High Rigidity

    Unlike conventional LM Guide models, the LM Guide

    Actuator has adopted an outer-rail structure, which pro-

    vides far greater rigidity against overhung loads.

    The U-shaped cross section of the rail contributes to

    weight reduction and minimises deflection. Thus, the

    LM Guide Actuator can support a load on one side as

    well as on both.

    Table 1

    1) Ix = Geometrical moment of inertia of the cross section

    around the X-axis (mm4

    )2) Iy = Geometrical moment of inertia of the cross section

    around the Y-axis (mm4)

    Y-axis

    Center of gravity

    X-axis

    KR33 6.2 104 3.8 105 0.66

    KR30H 2.7 104 2.8 105 0.50

    KR26 1.7 104 1.5 105 0.39

    KR20 6.1 103 6.2 104 0.26

    KR15 9.08 102 1.42 104 0.104

    KR45H 8.4 104 8.9 105 0.90

    KR46 2.4 105 1.5 106 1.26

    KR55 2.2 105 2.3 106 1.50

    KR65 4.6 105 5.9 106 2.31

    Model No. lx mm4

    1)ly mm4

    2) Mass m

    kg/100mm

    High Accuracy

    The four raceways for loaded balls, which are formed

    into a circular-arc groove, allow balls to roll smoothly

    even under a preload. Preloading eliminates clearances,

    provides high rigidity for the guideway, and minimises

    fluctuations in frictional resistance due to a fluctuating

    load. As a result, a high feeding accuracy in sub-micronscan be obtained.

    Ball revolving center

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    10 mm

    10mm

    KR45H KR30H

    Fig.7 Cross-Sectional View

    4

    Space-saving

    The one-piece structure with rails arranged on both sides

    and the ball screw in the center of the inner block forms

    an actuator that is minimal in size yet provides high rigi-

    dity and excellent accuracy.

    10mm

    10mm

    KR55 KR33 KR20 KR65KR46KR26KR15

    Fig. 6 Cross-Sectional View

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    5

    Types and Features

    KR-A

    KR-B

    KR-C

    KR-D

    Standard model.

    Built by adding another inner block to type KR-A, there-

    by enabling higher rigidity, load-bearing capacity and

    accuracy to be obtained.

    Modified by shortening the block of type KR-A to

    lengthen the stroke.

    (Applicable models: KR30H, KR33, KR45H, KR46)

    Built by adding another inner block to type KR-C.

    Permits a span best suited for the host system, thereby

    enabling higher rigidity to be obtained.

    (Applicable models: KR30H, KR33, KR45H, KR46)

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    6

    Load Rating and Permissible Moment in Each Direction of Load Rating

    PT

    PRPL

    PT

    Load Rating

    LM GuideType KR can bear loads in all four directions: radial,

    reverse-radial, and the two lateral directions. The basic

    load ratings of type KR are equal in all four directions

    (radial, reverse-radial and the two lateral directions). The

    values are given in Table 2.

    Ball ScrewBecause of the construction where the ball screw is

    driven through the inner block, type KR can bear an

    axial load. The values of basic load rating are presented

    in Table 2.

    Support BearingDue to its construction, with an angular bearing assem-bled in housing A type KR can bear an axial load. The

    values for the basic load rating are given in Table 2.

    LM GuideThe equivalent load for type KR when loads are exerted

    on its LM Guide in all four directions simultaneously can

    be obtained using the following equation:

    PE = PR (PL) + PT

    where

    PE : equivalent load [N]

    In the radial direction

    In the reverse-radial direction

    In two lateral directions

    PR : radial load [N]

    PL : reverse-radial load [N]

    PT : lateral load [N]

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    7

    Model No.

    KR20 KR26 KR55 KR65

    KR30H KR33 KR45H KR46

    KR30H06KR

    1501

    KR

    1502KR30H10 KR3306 KR3310 KR45H10 KR45H20 KR4610 KR4620

    Basicdynamic

    load rating

    C [N]

    Long-type blocktypes A and B

    Short-type block

    types C and D

    Long-type blocktypes A and B

    Short-type block

    types C and D

    Normal and

    high grades

    Precisiongrade

    Normal and

    high grades

    Precisiongrade

    Normal and

    high grades

    Precision

    grade

    Basicstatic

    load rating

    C0 [N]

    Basic

    dynamic

    load ratingCa [N]

    Basic

    static

    load rating

    C0a [N]

    Radial

    clearance

    [mm]

    Screw-shaft diameter [mm]

    Lead [mm]

    Minor diameter [mm]

    Basic dynamic

    load rating Ca[N]

    Permissible

    axial load P0a[N]

    Ball center-to-center

    diameter [mm]

    Supportbearing

    B

    allscrew

    LM

    Guide

    Axialdirection

    3590

    6300

    7240

    12150

    660

    660

    1170

    1170

    6

    1

    5,3

    6,15

    1000

    1240

    2350

    2350

    4020

    4020

    8

    2

    6,6

    8,3

    1380

    1760

    2840

    2250

    4900

    2740

    1760

    1370

    2840

    1570

    2840

    2250

    4900

    2740

    1760

    1370

    2840

    1570

    3140

    2940

    6760

    3720

    3040

    3430

    7150

    5290

    3140

    2940

    6760

    3720

    3040

    3430

    7150

    5290

    3620

    3980

    9290

    6850

    20

    20

    17,5

    20,75

    7600

    3990

    5680

    5950

    14500

    10700

    25

    25

    22

    26

    13700

    5830

    +0.002~

    -0.003

    -0.003~

    -0.007

    KR15

    1930

    3450

    340 230

    340 230

    660 410

    660 410

    5

    4,5

    5,15

    590

    290

    +0.002~

    -0.001

    -0.002~

    -0.005

    +0.002~

    -0.004

    -0.004~

    -0.010

    +0.004~

    -0.007

    -0.007~

    -0.019

    +0.004~

    -0.008

    -0.008~

    -0.022

    +0.002~

    -0.004

    -0.004~

    -0.012

    +0.002~

    -0.004

    -0.004~

    -0.012

    +0.003~

    -0.006

    -0.006~

    -0.016

    +0.003~

    -0.006

    -0.006~

    -0.016

    7,8

    10,5

    1790

    2590

    7,8

    10,5

    1790

    2590

    12,5

    15,75

    6660

    3240

    12,5

    15,75

    6660

    3240

    11600

    4900

    20200

    10000

    11600

    4900

    20200

    10000

    23300

    11900

    39200

    19600

    27400

    14000

    45500

    22700

    38100

    61900

    50900

    80900

    10

    6 10 6 10 10 20 10 20

    10 15 15

    Table 2 Load Rating

    Notes: The load rating of the LM Guide is the value per inner block.

    The balls in the precision-grade ball screw (grade P) include spacer balls at a ratio of 1:1 for models KR33 and KR30H, KR 4610, and 2:1 for

    models KR45H20, KR4620, KR55, and KR65.

    1 2

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    Static Permissible Moment (LM Guide)

    The block of the KR can bear moments in all directions with only one nut block. Table 3 shows static permissible

    moments MA, MB, and MC in each direction.

    One short block used (type C)

    Two short blocks used closelylinked together (type D)

    Fig. 8

    One long block used (type A)

    Two long blocks used closelylinked together (type B)

    Note: The values for types KR-B and D are those for two inner blocks used closely linked together.

    KR15 - A

    KR15 - B

    KR20 - A

    KR20 - B

    KR26 - A

    KR26 - B

    KR30H - A

    KR30H - B

    KR30H - C

    KR30H - D

    KR33 - A

    KR33 - B

    KR33 - C

    KR33 - D

    KR45H - A

    KR45H - B

    KR45H - C

    KR45H - D

    KR46 - A

    KR46 - B

    KR46 - C

    KR46 - D

    KR55 - A

    KR55 - BKR65 - A

    KR65 - B

    12.1

    70.3

    31

    176

    84

    480

    166

    908

    44

    319

    166

    908

    44

    319

    486

    2732

    130

    994

    547

    2940

    149

    1010

    870

    48901300

    7230

    12.1

    70.3

    31

    176

    84

    480

    166

    908

    44

    319

    166

    908

    44

    319

    486

    2732

    130

    994

    547

    2940

    149

    1010

    870

    48901300

    7230

    38

    76

    83

    165

    208

    416

    428

    857

    214

    427

    428

    857

    214

    427

    925

    1850

    463

    925

    1400

    2800

    700

    1400

    2280

    45703920

    7840

    Model size

    Static Permissible Moment

    MBMA MC

    Table 3 Static Permissible Moment Unit: Nm

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    9

    Service Life

    LM Guide Actuator KR consists of an LM Guide, a ball

    screw and support bearings. The service lives of these

    components can be calculated using the values for the

    basic dynamic load rating given in Table 2.

    Calculating Service Life

    1) LM Guide

    L : nominal life (km)

    (This refers to the total running distance that

    90% of identical LM Guide Actuator units in a

    group, when operated independently under

    the same conditions, can achieve without

    developing flaking.)

    C : basic dynamic load rating (N)

    PC : calculated load applied (N)

    fW : load factor (see Table 5)

    fC : contact factor (see Table 4)

    When KRs are used with close-linked double inner

    blocks and are subjected to a moment, calculate the

    equivalent load by multiplying the moment exerted

    by an equivalent factor selected from those given in

    Table 6.

    Pm = KM

    Pm : equivalent load (per block) (N)

    K : moment-equivalent factor

    M : developed moment (Nmm)

    (If three or more blocks are used in a system or

    two blocks are separated from one another,

    please contact us.)

    Particularly when moment MC is exerted on type KR-B

    or D:

    Pm =Kc Mc

    2

    fc CL = ( )3 50 [km]fwPc

    When radial load (P) and a moment are exerted simul-

    taneously, calculate the service life using the follow-

    ing equation:

    PE = Pm + P

    PE : total equivalent radial load (N)

    Once nominal life (L) is obtained from this calculation,

    the service life in hours can be calculated using the fol-

    lowing equation, if the stroke length and number of rec-

    iprocal operations are constant:

    Lh : service life in hours (h)ls : stroke length (mm)

    n1 : number of reciprocal operations

    per minute (min1)

    2) Ball Screw and Support Bearing

    L : nominal life (rev.)

    (This refers to the total number of revolutionsthat 90% of ball screw units (support bearing)

    in a group, when operated independently

    under the same conditions, can achieve with-

    out developing flaking.)

    Ca : basic dynamic load rating (N)

    Fa : axial load (N)

    fW : load factor (see Table 5)

    Once nominal life (L) is obtained from this calculation,

    the service life in hours can be calculated using the fol-

    lowing equation, if the stroke length and number of rec-

    iprocal operations are constant:

    Lh : service life in hours (h)

    s : stroke length (mm)

    n1 : number of reciprocal operations

    per minute (min1)

    : Ball Screw lead (mm)

    Lh =L106

    2 s n1 60

    L = (Ca )3 106

    fw Fa

    Lh =L

    2 s n1 60

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    10

    KA: Moment-equivalent factor in direction MAKB: Moment-equivalent factor in direction MBKC: Moment-equivalent factor in direction MC

    Note: The values for types KR-B and KR-D, are those

    for two inner blocks used closely linked together.

    Table 4 Contact Factor (fc)

    Type of block fc

    A and C 1.0

    B and D 0.81

    Contact Factor

    When types KR-B and D are used with close-linked dou-

    ble inner blocks, multiply the basic load rating by a con-

    tact factor chosen from the table below.

    Table 5 Load Factor (fw)

    Vibration and Velocity V fw

    impact

    Very slightVery low

    1.01.2

    V 0.25 m/s

    SlightLow

    1.21.50.25 < V 1.0 m/s

    IntermediateIntermediate

    1.52.01.0 < V 2.0 m/s

    StrongHigh

    2.03.5V > 2.0 m/s

    Load Factor

    As shown below

    Moment-equivalent-factor (LM Guide)

    In a LM Guide operating subjected to a moment, the

    load distribution cannot be uniform, resulting in the exer-

    tion of an excessive load in localized areas. In such a

    case, calculate the load by multiplying the moment value

    by a moment-equivalent factor chosen from Table 6.

    KA, KB, and KC represent the moment-equivalent factors

    in directions MA, MB, and MC, respectively.

    Table 6 Moment-Equivalent Factor (K)

    Model No.

    9.0910-2

    9.0910-2

    7.6910-2

    7.6910-2

    5.8810-2

    5.8810-2

    4.7810-2

    4.7810-2

    4.7810-2

    4.7810-2

    4.9310-2

    4.9310-2

    4.9310-2

    4.9310-2

    KA KB KC

    3.2010-1

    5.9610-2

    2.4010-1

    4.2610-2

    1.7310-1

    3.0610-2

    1.5110-1

    2.7610-2

    2.7710-1

    3.9910-2

    1.5110-1

    2.5710-2

    2.7710-1

    3.5510-2

    KR15 - A

    KR15 - B

    KR20 - A

    KR20 - B

    KR26 - A

    KR26 - B

    KR30H - A

    KR30H - B

    KR30H - C

    KR30H - D

    KR33 - A

    KR33 - B

    KR33 - C

    KR33 - D

    3.2010-1

    5.9610-2

    2.4010-1

    4.2610-2

    1.7310-1

    3.0610-2

    1.5110-1

    2.7610-2

    2.7710-1

    3.9910-2

    1.5110-1

    2.5710-2

    2.7710-1

    3.5510-2

    9.8310-2

    1.8710-2

    1.8310-1

    2.8110-2

    1.0110-1

    1.7810-2

    1.8510-1

    2.5010-2

    8.6310-2

    1.5310-2

    7.5510-2

    1.3510-2

    9.8310-2

    1.8710-2

    1.8310-1

    2.8110-2

    1.0110-1

    1.7810-2

    1.8510-1

    2.5010-2

    8.6310-2

    1.5310-2

    7.5510-2

    1.3510-2

    3.4510-2

    3.4510-2

    3.4510-2

    3.4510-2

    3.3810-2

    3.3810-2

    3.3810-2

    3.3810-2

    2.8310-2

    2.8310-2

    2.1410-2

    2.1410-2

    KR45H - A

    KR45H - B

    KR45H - C

    KR45H - D

    KR46 - A

    KR46 - B

    KR46 - C

    KR46 - D

    KR55 - A

    KR55 - B

    KR65 - A

    KR65 - B

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    Notice for Use

    Model No.

    KR20

    KR26

    01

    02

    190

    280

    190

    280

    200

    300

    200

    02 330 330KR15

    01

    160 160250 250

    300

    06

    470470470470470400

    790790790790790670

    150200300400500600

    660660660660660400

    470470470470470400

    10

    06

    10

    10

    20

    10

    20

    20

    25

    KR30H

    KR33

    KR45H

    KR46

    KR55

    KR65

    600

    600

    800

    800

    1180

    1380

    600

    600

    1200

    1200

    2000

    2000

    Lead of ball screw Rail lengthVelocity [mm/s]

    Precision grade High andnormal grades

    Production limit length

    660660660660660400

    11001100110011001100670

    150200300400500600

    150200300400

    500600

    11001100110011001100670

    790790790790790670

    150200300400500600

    740740740740740

    -

    520520520520520430

    340440540640740940

    14801480148014801480

    -

    10501050105010501050870

    340440540640740940

    1120980750

    --

    800800750630530

    9801080118012801380

    11201120830

    -

    800800800550

    980118013801680

    Table 7 Maximum Running Velocity and Production-Limit Length

    11

    Unit: mm

    340440540640740840940

    14801480148014801480

    --

    105010501050105010501050870

    520520520520520520430

    740740740740740

    --

    340440540640740840940

    Maximum Running Velocity and Production Limit LengthThe maximum running velocity of KR type actuators is restricted by the critical velocity and the DN value of the ball screw,

    regardless of the maximum motor speed. Keep this in mind, particularly when using this type of actuator at high speed.

    In this case, the production limit length is represented by the LM rail length.

    LubricationTo obtain the full function of a linear-motion system, lubrication is essential. Use of such a system without lubrication

    accelerates wear on the rolling parts, thereby decreasing the service life. Normally, grease is fed approximately every

    100 km of running distance, but the interval depends on the operating conditions. It is advisable that the greasing inter-

    val is set based on the results of an initial check.

    Recommended grease: KR15 AFF

    KR20 ~ 26: AFA

    KR30H ~ KR65: AFB

    For LM-Guide Actuators to be used in a clean room, low-dust-generation AFE grease is available at . Please

    contact if such grease is required.

    High andnormal gradesPrecision grade

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    12

    Fig. 9 Positioning Repeatability

    Fig. 11 Positioning Accuracy

    Fig. 10 Backlash

    Fig. 12 Running Parallelism

    A = |actually traveled distance -target running distance|

    Targetvalue

    Runningdistance

    Loaded displacement(incl. elastic displacement)

    Load

    Feeding-screw feed

    A

    A

    The accuracy of type KR comprises positioning-accura-

    cy reproducibility, positioning accuracy, backlash, and

    running parallelism.

    1. Positioning-Repeatability 3. Backlash

    Using the maximum stroke as the reference length,

    measure the distance actually traveled from the refer-

    ence position, and determine the maximum difference

    between a measurement and target value. Express the

    positioning accuracy using the absolute value of this

    maximum difference.

    2. Positioning Accuracy

    Place a straight edge on a surface plate to which a unit

    of type KR is mounted. Using a test indicator, measure

    the parallelism over the entire inner-block stroke. Take

    the maximum of the measurements within the stroke as

    the parallelism.The brackets required to mount LM

    Guide Actuator type KR have been standardized. Made

    of aluminum, the brackets are lightweight in order to

    minimize inertia.

    4. Running parallelism

    Using the feeder, move the inner block slightly. Define

    the reading of the test indicator at this time as the refer-

    ence position. Without using the feeder, apply a load to

    the inner block in order to move it from this reference

    position in the same direction as above (table-feeding

    direction). Release the load and allow the inner block to

    return. Measure the distance between the returned-

    block position and the reference position.

    Measure the same in the middle of the stroke and at

    both ends. Take the maximum of the measurements

    thus obtained as the backlash.

    Accuracy Standards

    Backlash

    Move the inner block from a starting point and stop it at

    a given point, measuring the stopped position. Repeat

    this measurement in the same direction as above seven

    times each in the middle of the stroke and at both ends.

    Take the maximum values at each stopping position as

    the measurements being sought. Divide the maximum

    difference among these maximum values by 2. Define

    the value thus obtained as the positioning repeatability,

    attaching thereto.

    Return

    Straightedge

    (error)

    0

    Reference

    position

    A

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    13

    KR20

    KR15

    100

    150

    200

    150

    200

    250

    300

    150

    200

    300

    400

    500

    600150

    200

    300

    400

    500

    600

    340

    440

    540

    640

    740

    840

    940

    340

    440

    540

    640

    740

    940

    KR26

    KR30H

    KR33

    KR45H

    KR46

    KR55

    KR65

    0.005

    0.005

    0.005

    0.005

    0.005

    0.005

    0.005

    0.008

    0.010

    0.010

    0.020

    0.020

    0.020

    0.020

    0.050

    0.050

    0,5

    1,5

    7

    7

    10

    10

    12

    12

    15

    0.025

    0.025

    0.025

    0.025

    0.035

    0.035

    0.050

    0.050

    0.035

    0.035

    0.040

    0.050

    0.050

    0.040

    0.050

    0.055

    0.060

    0.004 0.010 0,40.0200.040

    0.060

    0.060

    0.060

    0.100

    0.100

    0.250

    0.200

    0.100

    0.100

    0.120

    0.150

    0.150

    0.120

    0.150

    0.280

    0.180

    0.180

    Accuracy Standards

    Table 8-2 High Grade (H) Unit: mm

    ModelNo.

    KR20

    KR26

    KR30H

    KR33

    KR45H

    KR46

    KR55

    KR65

    Raillength

    Positionnigaccuracy

    reproducibilityPositionnig

    Startingtorque[Ncm]

    Runningparallelism

    Backlash

    0.010

    0.010

    0.010

    0.010

    0.010

    0.010

    0.010

    0.010

    0.012

    0.020

    0.020

    0.020

    0.020

    0.020

    0.020

    0.050

    0.050

    0,5

    1,5

    7

    7

    10

    10

    12

    12

    15

    Noprovision

    Noprovision

    Noprovision

    Noprovision

    Noprovision

    Noprovision

    Noprovision

    Noprovision

    Noprovision

    Noprovision

    Noprovision

    Noprovision

    Noprovision

    Noprovision

    Noprovision

    Noprovision

    Table 8-1 Normal Grade (no symbol)

    The accuracy of type KR is divided into three grades:

    normal (no symbol), high (H), and precision (P).

    The standards for these grades are specified below.

    KR20100

    150

    200

    150

    200

    250

    300

    150

    200300

    400

    500

    600

    150

    200

    300

    400

    500

    600

    340

    440

    540

    640

    740

    340

    440

    540

    640

    740

    KR26

    KR30H

    KR33

    KR45H

    KR46

    KR55

    KR65

    0.003

    0.003

    0.003

    0.003

    0.003

    0.003

    0.005

    0.005

    0.003

    0.003

    0.003

    0.003

    0.003

    0.003

    0.003

    0.005

    1,2

    4

    15

    15

    15

    17

    0.010

    0.010

    0.010

    0.010

    0.015

    0.025

    0.030

    0.015

    0.015

    0.020

    0.015

    0.020

    0.003 0.002 0,80.0100.020

    0.020

    0.020

    0.020

    0.025

    0.030

    0.040

    0.025

    0.025

    0.030

    0.025

    0.035

    0.040

    0.035

    0.020

    0.025

    0.030

    15

    17

    17

    20

    20

    22

    Table 8-3 Precision Grade (P) Unit: mm

    75

    100

    125

    150

    175

    200

    75

    100

    125

    150

    175

    200

    KR15

    The evaluation methods for the accuracy grades must

    conform to Standards. The starting torque must be

    measured with lithium-soap-based grease No. 2 applied.

    For KR20 and 26, however, AFA Grease must be applied. For

    KR15 AFF Grease must be sealed in. When high-vis-

    cosity grease such as vacuum grease or clean-room

    grease is used, measurements may exceed the standards

    presented here. Therefore, the motor to be used must be cho-

    sen carefully.

    100

    150

    200

    150

    200

    250

    300

    150

    200

    300

    400

    500

    600

    150

    200

    300

    400

    500

    600

    340

    440

    540

    640

    740

    840

    940

    340

    440

    540

    640

    740

    940

    980

    1180

    1380

    1680

    980

    1080

    1180

    1280

    1380

    980

    1180

    1380

    1680

    980

    1080

    1180

    1280

    1380

    980

    1080

    1180

    980

    1180

    1380

    ModelNo.

    Raillength

    Positionnigaccuracy

    reproducibilityPositionnig

    Startingtorque[Ncm]

    Runningparallelism

    Backlash

    ModelNo.

    Raillength

    Positionnigaccuracy

    reproducibilityPositionnig

    Startingtorque[Ncm]

    Runningparallelism

    Backlash

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    Model-Number Coding

    Symbol

    KR33 10 A + 300L P 0 - 0 0 0 01 2 3 4 5 6 7 8 9 101 Model No.

    2 Lead [mm]

    3 Type of inner block / Quantity

    4 Rail length [mm]

    5 Accuracy grade (see Tab. 8)

    6 Provision of a motor (see Tab. 9)

    7 Provision of a cover (see Tab. 9)

    8 Provision of a sensor (see Tab. 9)

    9 Type of housing A (see Tab. 10 and Fig. 6-11)

    10 Provision of a connecting plate

    Table 9

    Accuracy grade Motor Cover Sensor

    Symbol Meaning Symbol Meaning Symbol Meaning Symbol Meaning

    0 None

    1 Sensor rail provided

    Photosensor

    No0 None 0 None

    2 EE-SX671

    symbol (Omron)

    Proximity sensor

    4 GL-12F

    (SUNX)

    Proximity sensor

    5 GXL-N12F

    H High 1 Cover (SUNX)

    provided Photosensor

    6 EE-SX674

    Yes(Omron)

    Proximity sensor

    7 APM-D3

    P Precision X Bellows (SUNX)

    provided Proximity sensor

    (Europe) X(1) TL-W3M__

    (Omron)

    Please note the number and type when ordering.

    Example: 2 x TL-W3MB2 and 1 x TL-W3MB1

    (1) Available Sensors Specification

    TL-W3MC1 NPN-NO

    TL-W3MC2 NPN-NC

    TL-W3MB1 PNP-NO

    TL-W3MB2 PNP-NC

    1

    Normal

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    Table 10 Specification Motor Flange

    Option Specification

    KR 33 Housing A without motor flange 30 / 40

    KR 46 Housing A without motor flange 50 / 60

    KR 55 Housing A without motor flange 10

    KR 65 Housing A without motor flange 10

    Fig. 15 KR46 Housing A without motor flange (Specification 50)

    Motor Flange Design

    Fig. 13 KR33 Housing A without motor flange (Specification 30)

    4M40.7 depth 8

    Fig. 14 KR33 Housing A without motor flange (Specification 40)

    4M40.7 depth 8

    4M50.8 depth 10

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    Fig. 16 KR46 Housing A without motor flange (Specification 60)

    4M50.8 depth 10

    Fig. 17 KR55 Housing A without motor flange (Specification 10)

    Fig. 18 KR65 Housing A without motor flange (Specification 10)

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    KR1501 A, KR1502 A with One Block

    KR1501 B, KR1502 B with Two Blocks

    22

    2.5

    5

    44

    2M2 depth 3

    (to be fixed by an M3 socket button head cap screw)

    2n3,4 drill through 6 counter bore depth 2

    2M2 depth 3

    2M2 depth 3

    4

    7

    14

    23

    33

    33MIN

    5

    10LM rail length

    L1

    (33 when two blocks areclosely linked together)

    42M2 depth 3

    4M3 depth 4

    (G)(n1)50G

    50

    3h6

    17

    20H7

    57.5

    6.5 25.5 12

    A

    B

    B

    2.5

    6

    2

    View from arrow A B-B Section

    23 through

    0.3

    9.2

    22.5

    22.8

    30

    24.4

    5.5

    2 greasing-

    hole

    30

    814

    2

    9.5

    19

    12

    4.5

    9.85

    15

    (identical position on opposite side)(identical position on opposite side)

    * The possible stroke length for type B are the maximum values for close-linked double blocks.

    Table 11

    75

    100

    125

    150

    175

    200

    129

    154

    179

    204

    29

    54

    1.4

    56.4

    81.4

    106.4

    131.4

    156.4

    48.4

    73.4

    98.4

    123.4

    0.19

    0.22

    0.25

    0.28

    0.31

    0.34

    0.292

    0.322

    0.352

    0.382

    12.5

    25.0

    12.5

    25.0

    12.5

    25.0

    2

    2

    3

    3

    4

    4

    LM rail length[mm]

    Overall lengthL1 [mm]

    Possible stroke length [mm]

    Type A Type B*G [mm] n

    Total mass of unit [kg]

    Type A Type B

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    KR2001 A with One Block

    KR2001 B with Two Blocks

    * The possible stroke length values for model KR2001B are represented by those for closely-linked double blocks.

    Table 12

    tief

    tief

    LM rail length

    4-3,5 through

    View A B-B section View C

    Possible stroke length = LM rail length - 58.5 (Type A)

    Possible stroke length = LM rail length - 104.5 (Type B)

    2n-3.4 drill through 6.5

    C-bore depth 4

    Groove depth

    LM rail length

    [mm]

    Overall length

    L1 [mm]

    Possible stroke length [mm]

    Type A Type B*G [mm] n

    100

    150

    200

    159

    209

    259

    41.5

    91.5

    141.5

    45.5

    95.5

    Total mass of unit [kg]

    Type A Type B

    0.450

    0.580

    0.720

    0.655

    0.795

    20

    15

    40

    2

    3

    3

    22-M2.6 depth 4

    49

    3.5 46

    33.2

    20

    L1

    22-M2.6 depth 4102.5

    4-M3 depth 4.5

    2-M2.6 depth 60.9

    10

    68.5

    12 1225

    14

    87.5

    4H7

    20H7

    B

    B

    A

    G

    60

    (n-1) 60 G

    C

    4M3 depth 6

    2M2.6 depth 439.6

    33.6

    30

    29.5

    12.5

    9.5

    0.5

    3.3

    PCD29

    10

    30

    30

    3.4

    20

    13

    15.8

    1.1

    1811

    40

    18

    23

    52M2,6 depth 4

    10 1

    8.5

    0.526

    39.6

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    KR2602 A with One Block

    KR2602 B with Two Blocks

    Table 13

    LM rail length

    22-M2.6 depth 4

    4- 3.5 through

    View A B-B section View C

    Groove depth 0,9

    2n-4,5 drill through 8

    C-bore depth 4

    LM rail length

    [mm]

    Overall length

    L1 [mm]

    Possible stroke length [mm]

    Type A Type B*G [mm] n

    150

    200

    250

    300

    220

    270

    320

    370

    69

    119

    169

    219

    55

    105

    155

    Total mass of unit [kg]

    Type A Type B

    0.99

    1.20

    1.41

    1.62

    1.38

    1.59

    1.80

    35

    20

    45

    30

    2

    3

    3

    4

    22-M2.6 depth 4

    603.5 64

    47.4

    30

    L1

    22-M2.6 depth 4

    102.5

    6

    4-M4 depth 6.5

    2-M3 depth 615

    15

    12 34 14

    10.510

    16.5

    5h7

    24H7

    A

    B

    B

    G80

    C

    G(n-1)80

    4M3 depth 649.4

    43

    38.5

    11

    6.5

    38

    12

    0.5

    15.5

    45

    PCD33

    26

    6

    16

    (1.2

    )

    21

    21

    1

    23

    36

    49.4

    2M2.6 depth 431

    25

    8

    12.5 25

    50

    Possible stroke length = LM rail length - 85 (Type A)

    Possible stroke length = LM rail length - 150 (Type B)

    * The possible stroke length values for Type B are represented by those for closely-linked double blocks.

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    KR30H A with One Long Block

    KR30H B with Two Long Blocks

    Table 14

    150

    2

    4

    22

    27

    7

    47

    7

    7

    .

    1 .

    2 .

    .

    4 .

    .

    1 4.

    2 4.

    4.

    4 4.

    1.4

    1,.

    2.2

    2.7

    .2

    .

    2.

    .

    .

    .1

    LM rail length

    Overall lengthL1 [mm]

    Possible stroke length [mm]

    Type A Type B*G [mm] n

    Total mass of unit [kg]

    Type A Type B[mm]

    * The possible stroke length for type B are the maximum values for close-linked double blocks.

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    (n-1)100

    28

    30H8

    3

    2-M5 depth 8

    Ball screw side2-M2.6 depth 5 8.5

    48.9MIN

    48.928.5

    11

    100

    2n-5.5 drill through9.5 C-bore depth 4.5

    12

    (G)G

    68

    7

    6h7

    1831

    9

    16

    10

    6

    11LM rail length59

    L1

    B

    B

    (Groove depth: 2)

    (when two blocks are closely linked together)

    A

    5.5 2-M2.6 depth 4 2.5

    30

    34

    5

    0.5

    8PCD40

    15

    30

    38

    30

    21.3

    20.8

    23.5

    60

    30

    4-M4 depth 8

    2-M3 depth 5

    43

    59.7

    30

    42.5

    B-B sectionView from arrow A

    13.5

    2

    KR30H C with One Short Block

    KR30H D with Two Short Blocks

    * The possible stroke length for type D are the maximum values for close-linked double blocks.

    150

    2

    4

    22

    27

    7

    47

    7

    7

    .

    1 .

    2 .

    .

    4 .

    .

    5.

    1 5.

    2 5.

    5.

    4 5.

    1.3

    1.

    2.1

    2.6

    .1

    .

    1.47

    1.

    2.

    .

    .

    .8

    LM rail length

    Overall lengthL1 [mm]

    Possible stroke length [mm]

    Type C Type D*G [mm] n

    Total mass of unit [kg]

    Type C Type D

    35.4

    [mm]

    Table 15

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    KR3306A, KR3310A with One Long Block

    KR3306B, KR3310B with Two Long Blocks

    B-B sectionView A

    4 M40,7 depth 1060

    4037.4

    30

    6.5

    30

    60

    15

    8.5

    15

    30.7

    152

    333

    6.5

    44

    22.5

    0.5

    8

    45

    45

    PCD40

    * The possible stroke length for type B are the maximum values for close-linked double blocks.

    Table 16

    1) 25 mm for 150 mm rail length.

    LM rail length

    [mm]

    Overall length

    L1 [mm]

    Possible stroke length [mm]

    Type A Type B*

    H

    [mm]

    150

    200

    300

    400

    500

    600

    220

    270

    370

    470

    570

    670

    61.5

    111.5

    211.5

    311.5

    411.5

    511.5

    135.5

    235.5

    335.5

    435.5

    Total mass of unit [kg]

    Type A Type B

    1.70

    2.00

    2.60

    3.20

    3.90

    4.50

    2.95

    3.55

    4.25

    4.85

    25

    50

    50

    100

    50

    100

    F

    [mm]

    100

    100

    200

    200

    200

    200

    n1

    2

    2

    3

    4

    5

    6

    n2

    2

    2

    2

    2

    3

    3

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    KR3306C, KR3310C with One Short Block

    KR3306D, KR3310D with Two Short Blocks

    B-B sectionView A

    4 M4

    0,7 depth 106040

    37.4

    30

    6.5

    30

    60

    15

    8.5

    15

    30.7

    152

    333

    6.5

    44

    22.5

    0.5

    8

    45

    45

    PCD40

    * The possible stroke length for type D are the maximum values for close-linked double blocks.

    Table 17

    1) 25 mm for 150 mm rail length.

    LM rail length Overall length

    L1 [mm]

    Possible stroke length [mm]

    Type C Type D*

    H

    [mm]

    150

    200

    300

    400

    500

    600

    220

    270

    370

    470

    570

    670

    87

    137

    237

    337

    437

    537

    36.5

    86.5

    186.5

    286.5

    386.5

    486.5

    Total mass of unit [kg]

    Type C Type D

    1.60

    1.90

    2.50

    3.10

    3.80

    4.40

    1.83

    2.13

    2.73

    3.33

    4.03

    4.63

    25

    50

    50

    100

    50

    100

    F

    [mm]

    100

    100

    200

    200

    200

    200

    n1

    2

    2

    3

    4

    5

    6

    n2

    2

    2

    2

    2

    3

    3

    [mm]

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    (n-1)100

    44

    (70)

    7.4 5

    12.4

    Ball screw side

    2-M3 depth 6 10

    14

    L1LM rail length

    2n-6.6 drill through11 C-bore depth 6.5

    108MIN

    43

    108

    3.5

    50H8

    10h7

    70

    100

    1828

    8146

    12

    9

    1288

    2314 51

    (Groove depth: 4)

    (With no clearance between two blocks)

    B

    B

    A

    4-M6 depth 9

    22-M2.6 depth 4 2.57.5

    4-M5 depth 10

    45

    45

    PCD70

    4-M4 depth 8 22

    PCD60

    4

    30.5

    30

    30

    79.6 53

    63

    30

    62.5

    0.5

    45

    80

    32

    1746

    B-B sectionView A

    18.5

    KR45H A with One Long Block

    KR45H B with Two Long Blocks

    Table 18

    * The possible stroke length for type B are the maximum values for close-linked double blocks.

    LM rail length[mm]

    Overall lengthL1 [mm]

    Possible stroke length [mm]

    Type A Type B*n

    Total mass of unit [kg]

    Type A Type B

    340

    440

    540

    640

    740

    840

    940

    440

    540

    640

    740

    840

    940

    1040

    213

    313

    413

    513

    613

    713

    813

    105

    205

    305

    405

    505

    605

    705

    3

    4

    5

    6

    7

    8

    9

    5.10

    6.10

    7.10

    8.10

    9.10

    10.10

    11.20

    6.05

    7.05

    8.05

    9.05

    10.05

    11.05

    12.15

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    LM rail length[mm]

    Overall lengthL1 [mm]

    Possible stroke length [mm]

    Type C Type D*n

    Total mass of unit [kg]

    Type C Type D

    340

    440

    540

    640

    740

    840

    940

    440

    540

    640

    740

    840

    940

    1040

    250.5

    350.5

    450.5

    550.5

    650.5

    750.5

    850.5

    180

    280

    380

    480

    580

    680

    780

    3

    4

    5

    6

    7

    8

    9

    4.70

    5.70

    6.70

    7.70

    8.70

    9.70

    10.80

    5.23

    6.23

    7.23

    8.23

    9.23

    10.23

    11.33

    (n-1)100

    44

    Ball screw side

    2-M6 9 tief

    70.5MIN

    (70)

    7.4 5

    12.4 2-M3 depth 6

    43

    70.543.5

    10

    14

    L1LM rail length

    2n-6.6 drill through11 C-bore depth 6.5

    3.5

    50H8

    10h7

    70

    100

    1828

    12

    9

    1288

    2314 51

    (Groove depth: 4)

    (With no clearance between two blocks)

    B

    B

    A

    22-M2.6 depth 4 2.57.5

    4-M5 depth 10

    45

    45

    PCD70

    4-M4 depth 8 22

    PCD60

    4

    30.5

    30

    30

    79.6 53

    63

    30

    62.5

    0.5

    45

    80

    32

    1746

    B-B sectionView A

    18.5

    KR45H C with One Short Block

    KR45H D with Two Short Blocks

    * The possible stroke length for type D are the maximum values for close-linked double blocks.

    Table 19

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    KR4610A, KR4620A with One Long Block

    KR4610B, KR4620B with Two Long Blocks

    * The possible stroke length for type B are the maximum values for close-linked double blocks.

    Table 20

    LM rail length Overall length

    L1 [mm]

    Possible stroke length [mm]

    Type A Type B*

    H

    [mm]

    340

    440

    540

    640

    740

    940

    440.5

    540.5

    640.5

    740.5

    840.5

    1040.5

    208

    308

    408

    508

    608

    808

    98

    198

    298

    398

    498

    698

    Total mass of unit [kg]

    Type A Type B

    7.70

    9.00

    10.30

    11.60

    12.80

    15.30

    8.90

    10.20

    11.50

    12.80

    14.00

    16.50

    70

    20

    70

    20

    70

    70

    n1

    3

    4

    5

    6

    7

    9

    n2

    2

    3

    3

    4

    4

    5

    [mm]

    View A B-B section

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    KR4610C, KR4620C with One Short Block

    KR4610D, KR4620D with Two Short Blocks

    * The possible stroke length for type D are the maximum values for close-linked double blocks.

    Table 21

    LM rail length

    [mm]

    Overall length

    L1 [mm]

    Possible stroke length [mm]

    Type C Type D*

    H

    [mm]

    340

    440

    540

    640

    740

    940

    440.5

    540.5

    640.5

    740.5

    840.5

    1040.5

    245.5

    345.5

    445.5

    545.5

    645.5

    845.5

    173

    273

    373

    473

    573

    773

    Total mass unit [kg]

    Type C Type D

    7.30

    8.60

    9.90

    11.20

    12.40

    14.90

    8.10

    9.40

    10.70

    12.00

    13.20

    15.70

    70

    20

    70

    20

    70

    70

    n1

    3

    4

    5

    6

    7

    9

    n2

    2

    3

    3

    4

    4

    5

    View A B-B section

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    * The possible stroke length for type B are the maximum values for close-linked double blocks.

    Table 22

    View A

    KR5520A with One Block

    KR5520B with Two Blocks

    LM rail length

    [mm]

    Overall length

    L1 [mm]

    Possible stroke length [mm]

    Type A Type B*

    H

    [mm]

    980

    1080

    1180

    1280

    1380

    1089

    1189

    1289

    1389

    1489

    826

    926

    1026

    1126

    1226

    698

    798

    898

    998

    1098

    Total mass of unit [kg]

    Type A Type B

    19.90

    21.70

    23.40

    25.10

    26.90

    21.60

    23.40

    25.10

    26.80

    28.60

    90

    40

    90

    40

    90

    G

    40

    15

    65

    40

    15

    n1

    7

    8

    8

    9

    10

    n2

    5

    6

    6

    7

    7

    B-B section

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    * The possible stroke length for type B are the maximum values for close-linked double blocks.

    Table 23

    View A B-B Section

    KR6525A with One Block

    KR6525B with Two Blocks

    LM rail length

    [mm]

    Overall length

    L1 [mm]

    Possible stroke length [mm]

    Type A Type B*

    H

    [mm]

    980

    1180

    1380

    1680

    1098

    1298

    1498

    1798

    810

    1010

    1210

    1510

    665

    865

    1065

    1365

    Total mass of unit [kg]

    Type A Type B

    31.60

    37.00

    42.40

    50.50

    34.60

    40.00

    45.40

    53.50

    90

    90

    90

    40

    G

    [mm]

    40

    65

    90

    90

    n1

    7

    8

    9

    11

    n2

    5

    6

    7

    9

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    KR1501 A, KR1502 A with One Block and Cover

    KR1501 B, KR1502 B with Two Blocks and Cover

    2M2 depth 3

    4M3 depth 6

    (to be fixed by an M3 socket button head cap screw)

    2n3.4 drill through; 6; C-bore depth 2

    23 drill through

    4M2 depth 3

    2 greasinghole

    2M2 depth 3

    0.3

    22.5

    22.8

    30

    24.4

    5.5

    30

    8149.5

    2

    7.5

    44

    38

    4.5

    13

    25

    (G)(n1)50G

    50

    3h6

    17

    20H7

    57. 5

    6.5 25,5 12

    4

    4

    4

    7

    14

    23

    33

    33MIN

    5

    1044 LM rail length

    L1

    A

    View A

    (33 when two blocksare closely linked together)

    B

    B

    B-B section

    9.2

    * The possible stroke length for type B are the maximum values for close-linked double blocks.

    Table 24

    75

    100

    125

    150

    175

    129

    154

    179

    204

    229

    5

    31.4

    56.4

    81.4

    106.4

    131.4

    .

    48.4

    73.4

    98.4

    1 3.

    0.23

    0.26

    0.30

    0.33

    0.36

    .

    0.364

    0.394

    0.424

    .464

    12.5

    25.0

    12.5

    25.0

    12.5

    .

    2

    2

    3

    3

    4

    LM rail length[mm]

    Overall lengthL1 [mm]

    Possible stroke length [mm]

    Type A Type B*G [mm] n

    Total massof unit [kg]

    Type A Type B

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    KR2001 A with One Block and Cover

    KR2001 B with Two Blocks and Cover

    * The possible stroke length for type B are the maximum values for close-linked double blocks.

    Table 25

    LM rail length[mm]

    Overall lengthL1 [mm]

    Possible stroke length [mm]

    Type A Type B*

    Total mass of unit [kg]

    Type A Type B

    100

    150

    200

    159

    209

    259

    41.5

    91.5

    141.5

    45.5

    95.5

    0.510

    0.660

    0.800

    0.780

    0.920

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    KR2602 A with One Block and Cover

    KR2602 B with Two Blocks and Cover

    Table 26

    * The possible stroke length for type B are the maximum values for close-linked double blocks.

    LM rail length[mm]

    Overall lengthL1 [mm]

    Possible stroke length [mm]

    Type A Type B*

    Total mass of unit [kg]

    Type A Type B

    150

    200

    250

    300

    220

    270

    320

    370

    69

    119

    169

    219

    55

    105

    155

    1.120

    1.340

    1.560

    1.780

    1.605

    1.825

    2.045

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    KR30H A with One Long Block and Cover

    KR30H B with Two Long Blocks and Cover

    B

    B

    B-B section

    46

    81

    60

    70

    80

    15 30

    60

    Ball screw side5

    21.3

    45

    25

    14

    2.5

    74.4

    23.5

    L1 LM rail length

    4-M5 depth 15

    4-M2 depth 4(From the rear)

    B

    B

    28.52-M5 depth 10

    5 214-M2 depth 4(From the rear)

    Ball screw side

    21.3

    B-B section

    156030

    2.5

    14

    60

    8070

    48.9

    45

    2523.5

    L1LM rail length

    * The possible stroke length for type B, type D are the maximum values for close-linked double blocks.

    LM rail length[mm]

    Overall lengthL1 [mm]

    Possible stroke length [mm]

    Type A Type B*

    Total mass of unit [kg]

    Type C Type D*

    150

    200

    300

    400

    500

    600

    220

    270

    370

    470

    570

    670

    58.8

    108.8

    208.8

    308.8

    408.8

    508.8

    134.4

    234.4

    334.4

    434.4

    84.3

    134.3

    234.3

    334.3

    434.3

    534.3

    35.4

    85.4

    185.4

    285.4

    385.4

    485.4

    A-Typ B-Typ C-Typ D-Typ

    1,60

    1,80

    2,40

    3,00

    3,50

    4,10

    2,83

    3,43

    3,93

    4,53

    1,40

    1,60

    2,20

    2,80

    3,30

    3,90

    1,64

    1,84

    2,44

    3,04

    3,54

    4,14

    Table 27

    KR30H C with One Short Block and Cover

    KR30H D with Two Short Blocks and Cover

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    KR33 A with One Long Block and Cover

    KR33 B with Two Long Blocks and Cover

    * The possible stroke length for type B, type D are the maximum values for close-linked double blocks.

    The screws for fixing the cover are 0.2 mm above the slider surface.

    LM rail length[mm]

    Overall lengthL1 [mm]

    Possible stroke length [mm]

    Type A Type B*

    Total mass of unit [kg]

    Type C Type D*

    150

    200

    300

    400

    500

    600

    220

    270

    370

    470

    570

    670

    61.5

    111.5

    211.5

    311.5

    411.5

    511.5

    135.5

    235.5

    335.5

    435.5

    87

    137

    237

    337

    437

    537

    36.5

    86.5

    186.5

    286.5

    386.5

    486.5

    Type A Type B Type C Type D

    1.90

    2.20

    2.80

    3.50

    4.20

    4.80

    3.28

    3.98

    4.68

    5.28

    1.70

    2.10

    2.70

    3.30

    4.00

    4.70

    2.00

    2.40

    3.00

    3.60

    4.30

    5.00

    KR33 C with One Short Block and Cover

    KR33 D with Two Short Blocks and Cover

    Table 28

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    KR45H A with One Long Block and Cover

    KR45H B with Two Long Blocks and Cover

    B

    B

    B-B section

    4681

    58092104

    17 46

    4-M2. 6 depth 54-M6 depth 12

    80

    Ball screw side

    3.5

    (From the rear)

    108

    30.5

    32

    35

    67

    19

    77

    L1LM rail length

    B

    B

    43.5 2-M6 depth 12

    5 33.54-M2.6 depth 5

    (From the rear)

    LM rail length1L

    Ball screw side

    70.5

    3532

    67

    30.5

    B-B section

    17 80463.5

    19

    778092104

    LM rail length[mm]

    Overall lengthL1 [mm]

    Possible stroke length [mm]

    Type A Type B*

    Total mass of unit [kg]

    Type C Type D*

    340

    440

    540

    640

    740

    840

    940

    440

    540

    640

    740

    840

    940

    1040

    213

    313

    413

    513

    613

    713

    813

    105

    205

    305

    405

    505

    605

    705

    250.5

    350.5

    450.5

    550.5

    650.5

    750.5

    850.5

    180

    280

    380

    480

    580

    680

    780

    Type A Type B Type C Type D

    5.70

    6.80

    7.90

    9.00

    10.10

    11.20

    12.30

    7.01

    8.11

    9.21

    10.31

    11.41

    12.51

    13.61

    5.10

    6.20

    7.30

    8.40

    9.50

    10.60

    11.70

    5.82

    6.92

    8.02

    9.12

    10.22

    11.32

    12.42

    Table 29

    * The possible stroke length for type B, type D are the maximum values for close-linked double blocks.

    KR45H C with One Short Block and Cover

    KR45H D with Two Short Blocks and Cover

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    * The possible stroke length for type B, type D are the maximum values for close-linked double blocks.

    LM rail length[mm]

    Overall lengthL1 [mm]

    Possible stroke length [mm]

    Type A Type B*

    Total mass of unit [kg]

    Type C Type D*

    340

    440

    540

    640

    740

    940

    440.5

    540.5

    640.5

    740.5

    840.5

    1040.5

    208

    308

    408

    508

    608

    808

    98

    198

    298

    398

    498

    698

    245.5

    345.5

    445.5

    545.5

    645.5

    845.5

    173

    273

    373

    473

    573

    773

    Type A Type B Type C Type D

    8.30

    9.70

    11.00

    12.40

    13.70

    16.30

    9.79

    11.19

    12.49

    13.89

    15.19

    17.79

    7.80

    9.10

    10.50

    11.90

    13.20

    15.80

    8,79

    10,09

    11,49

    12,89

    14,19

    16,79

    KR46 C with One Short Block and Cover

    KR46 D with Two Short Blocks and Cover

    Table 30

    KR46 A with One Long Block and Cover

    KR46 B with Two Long Blocks and Cover

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    KR5520 A with One Block and Cover

    KR5520 B with Two Blocks and Cover

    * The possible stroke length for type B is the maximum value for close-linked double blocks.

    LM rail length[mm]

    Overall lengthL1 [mm]

    Possible stroke length [mm]

    Type A Type B*

    Total mass of unit [kg]

    Type A Type B

    980

    1080

    1180

    1280

    1380

    1089

    1189

    1289

    1389

    1489

    826

    926

    1026

    1126

    1226

    698

    798

    898

    998

    1098

    22.70

    24.60

    26.40

    28.10

    30.00

    26.20

    28.10

    29.90

    31.60

    33.50

    Tab. 31

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    KR6525 A with One Block and Cover

    KR6525 B with Two Blocks and Cover

    * The possible stroke length for type B is the maximum value for close-linked double blocks.

    LM rail length[mm]

    Overall lengthL1 [mm]

    Possible stroke length [mm]

    Type A Type B*

    Total mass of unit [kg]

    Type A Type B

    980

    1180

    1380

    1680

    1098

    1298

    1498

    1798

    810

    1010

    1210

    1510

    665

    865

    1065

    1365

    36.30

    42.00

    47.60

    56.10

    43.00

    48.70

    54.30

    62.80

    Table 32

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    KR20 / 26 A with One Block and Bellow

    KR20 / 26 A with Two Blocks and Bellow

    WLmin

    Lmin W

    2M2,5

    8

    8

    2M2,5

    5

    8

    KR20/26 A

    KR20/26 B

    X

    X

    Y

    Z

    Y

    Z

    (1)For KR20 with sensor rail

    (2)For KR20 without sensor rail

    LengthStroke length

    with bellow Lmin W X Y Z

    KR20A100 35 13150 70 20200 110 25

    40 63 32 16(1)

    7,5(2)

    KR20B150 35 13200 70 20

    KR26A

    150 60 15200 100 20

    250 130 25300 180 30

    58 74 40 18

    KR26B200 45 15250 85 20

    300 120 30

    Table 33 Unit: mm

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    KR33 A with One Long Block and Bellow

    KR33 B with Two Long Blocks and Bellow

    KR33 C with One Short Block and Bellow

    KR33 D with Two Short Blocks and Bellow

    LengthStroke length

    with bellow Lmin W X Y Z

    KR33A

    150 50 10200 90 20300 170 30400 250 35500 330 45600 410 55

    76 95 55 23

    KR33B

    200 30 15300 110 25400 190 35

    500 270 45600 350 55

    KR33C

    150 70 10200 110 15

    300 190 25400 270 35500 350 45600 430 55

    48 95 55 23

    KR33D

    150 30 10200 70 15300 150 20400 230 30500 310 40

    600 390 50

    Table 34 Unit: mm

    WLmin

    Lmin W

    2M3

    8

    //2M3

    //

    8

    KR33A/C

    KR33B/D

    X

    X

    Y

    Z

    Y

    Z

    16

    //

    depth 4.5

    16

    //

    depth 4.5

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    KR46 A with One Long Block and Bellow

    KR46 B with Two Long Blocks and Bellow

    KR46 C with One Short Block and Bellow

    KR46 D with Two Short Blocks and Bellow

    WLmin

    8

    //

    2M3

    KR46A/C

    Y

    Z16

    //

    8

    16

    depth 4

    //

    //Y

    Z

    X

    XWLmin

    2M3

    depth 4

    KR46B/D

    LengthStroke length

    with bellowLmin W X Y Z

    KR46A

    340 175 25440 255 35540 335 45640 415 55740 495 65940 655 85

    106 120 68 34

    KR46B

    340 90 15440 170 25540 250 35640 330 45

    740 410 55940 570 75

    KR46C

    340 205 30440 285 40

    540 365 50640 445 60740 525 70940 685 90

    68,5 120 68 34

    KR46D

    340 150 20440 230 30540 310 40640 390 50740 470 60

    940 630 80

    Table 35 Unit: mm

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    KR55 / 65 A with One Block and Bellow

    KR55 / 65 A with Two Blocks and Bellow

    WLmin

    2M3

    KR55/65A

    8

    WLmin

    2M3 8

    KR55/65B

    |x| KR65 = 4.5mm

    X

    Y

    Z

    ( |x4

    |x| KR65 = 4.5mm

    X

    Y

    Z

    ( |x4

    LengthStroke length

    with bellowLmin Y Z

    KR55A

    980 690 851080 770 951180 850 105

    1280 930 1101380 1010 120

    124 145 80 35

    KR55B

    980 580 751080 660 85

    1180 740 951280 825 1051380 905 110

    KR65A

    980 670 851180 830 1051380 990 1201680 1240 150

    140 175 92 37

    KR65B

    980 550 701180 710 851380 875 1051680 1120 135

    XW

    Table 36 Unit: mm

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    Sensor

    Proximity sensor APM-D3 (Yamatake)

    Photosensor EE-SX671 (Omron)

    Proximity sensor GL-12F (SUNX) and GXL-N12F (SUNX)

    Photosensor EE-SX674 (Omron)

    Model No.KR20KR26

    KR46KR55KR65

    33.538.5

    3.56.5

    3.578

    7.57.50.0.51.5

    -6.5

    56

    1232225

    56

    232225

    b dUnit: mmProximity sensor TL-W3M _ _(Omron)

    KR33

    .5

    Model No. e f g h i j

    KR30H

    KR33

    KR45H

    KR46

    KR55

    KR65

    46.2

    43.9

    56.2

    56.7

    63.8

    78.8

    52.8

    50.3

    62.7

    63.2

    70.1

    85.1

    6.3

    0.9

    4.2

    0.7

    1.8

    -6.2

    13.8

    12.8

    19

    25.8

    24.5

    28.1

    1.1

    1.6

    6.1

    14.6

    13.6

    16.6

    14

    13

    19

    26

    25

    28

    Unit: mm

    Model No.

    KR30H

    KR33

    KR45H

    KR46

    KR55

    KR65

    51.3

    50.8

    61.2

    63.6

    70.7

    85.5

    64.3

    63.7

    74.2

    76.6

    83.5

    98.5

    11.3

    7.8

    9.3

    7.6

    8.6

    0.6

    13.8

    12.8

    18.3

    25.8

    24.5

    28.1

    1.4

    1.6

    6.4

    14.6

    13.6

    16.6

    13.5

    13

    18.5

    26

    25

    28

    e f g h i jUnit: mm

    Model No.KR30H

    KR33

    KR45H

    KR46

    KR55

    KR65

    45.0

    44.5

    54.8

    57.4

    63.5

    79

    5

    1.5

    2.8

    1.5

    1.5

    -6

    8.8

    8.8

    13.8

    21.8

    22

    25.1

    9

    9

    14

    22

    22

    25

    a b c dUnit: mm

    Model No.

    KR20

    KR26

    KR30H

    KR33

    KR45H

    KR46

    KR55KR65

    32.5

    37.5

    43.3

    42.5

    53.2

    55.4

    62.477.4

    6.6

    6.4

    3.3

    -0.6

    1.2

    -0.6

    0.4-7.5

    6

    8

    8.8

    8.8

    14

    21.8

    2225.1

    6

    8

    9

    9

    14

    22

    2225

    a b c dUnit: mm

    KR15 27.8 -5.8 1.4 1.4

    Sensor rail

    d

    b

    c

    a

    d

    b

    c

    a

    j

    g

    i

    h

    ef

    j

    g

    h

    i

    ef

    d

    b

    c

    a

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    Inductive Proximity Sensor TL-W3M (OMRON)

    Order Information

    Specifications

    Output circuits

    Space Saving Flat Proximity Switch

    All models provided with an operation indicator.

    Mounting possible from either the front or rear of thehousing.

    Protected to endure water and oil splashes(conforms to IEC IP67).

    Output

    Sensing distance

    NO NC NO NC

    Type TL-W3M

    Supply voltage (operating voltage range) 10 to 30 VDC, ripple (p-p): 10 % max.

    Sensing object Magnetic metals

    Response frequency 600 Hz

    Circuit protection Reverse connection protection

    Ambient temperature Operating: -25C to 70C (with no icing)

    Temperature influence 10% max. of sensing distance at 23C

    in temperature range of -25C to 70C

    Residual voltage 1,0 V max. (with 100 mA load current and 2-m cable)

    PNP NPN

    3 mm TL-W3MB1 TL-W3MB2 TL-W3MC1 TL-W3MC2

    Sensing distance 3 mm 10 %

    Current consumption (leakage current) 15 mA max. at 24 VDC

    Differntial travel 10 % max. of sensing distance

    Control output NPN or PNP open collector, 100 mA max.

    Display Operating mode (red LED)

    Ambient humidity Operating: 35% to 95%

    Voltage influence 2,5% max. of sensing distance

    in rated voltage range 10%

    TL-W3MB TL-W3MC

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    Timing Chart

    Dimensions [mm]

    TL-W3M 1TL-W3M

    TL-W3M 2

    TL-W3M

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    XY Bracket

    KR-008XS(KR33 for a single-axis)

    KR-008XL(KR46 for a single-axis)

    KR-003XS(KR33 for fastening a rail)

    KR-003XL(KR46 for fastening a rail)

    The brackets required to mount LM Guide Actuator KR

    have been standardized. Made of aluminium, the brackets

    are lightweight in order to minimize inertia.

    Besides these standardized brackets customized brackets

    can be delivered as well.

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    KR-002XS(KR33 for fastening the slider)

    Sample combination

    For one-axis modeFor fastening the slider

    For fastening the rail Customized solution

    Customized LM Guide Actuators

    Please dont hesitate to contact , if your application requires adjustment of the standard LM Guide Actua-

    tor. has an extensive experience in achieving customized solutions.

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    48

    Motor Adapter

    Motor

    The LM Guide Actuator KR can be provided with a motor

    adapter. In this case please indicate the name of the

    motor manufacturer together with the type number and

    the fitting dimensions. - Please take into consideration the

    dimensions of the connecting constructions because the

    dimesions of the motor can be bigger than the dimensions

    of the LM Guide Actuator.

    Please complete this form with your specifications:Unit: mm

    MotormountingsurfaceA B

    Position ofmounting

    holesC D

    Referencediameter

    E

    Mountinghole diameter

    Fthickness

    G

    Shoulderdiameter

    H

    Pivot lengthincl. shoulder

    I

    Pivotdiameter

    J

    E

    C

    B

    A

    D

    C

    F

    G

    J

    H

    I

    Shoulder

    Fig. 19 Motor-Connection

    Housing

    Outer rail

    Motor

    Step

    Motor adapter

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    49

    Dismounting groove

    C

    F

    B

    D1H7

    A-1

    F

    C

    D2H7

    E DIN 916

    120

    Properties low-cost design

    backlash-free and torsionally rigid

    low moment of inertia

    compensates for 3-axis of misalignment

    a mounting groove or flattering off of the

    shaft is not required due to the integrated

    dismounting groove

    common solutions :

    Material:

    Bellows are made of highly flexible

    high-grade stainless steel, hubs fromaluminium.

    Design:

    Hubs with DIN 916 radial set screw

    and integral dismounting groove.

    Couplings Model MK 1

    Technical specifications

    Ordering example:

    Series / Nm

    Overall length

    Non standard

    MK1 / 5 / 26 / 4 / 5 / xx

    Model

    D1 H7

    D2 H7

    Temperature range: -30 bis +100C

    (3,6 F to 237 F), peaks up to 120C

    (270 F).

    Speeds: Up to 20,000 rpm, in excess

    of 20,000 rpm with balanced version.

    Backlash: Absolutely backlash-free

    due to frictional clamp connection.

    Tolerance: On the hub/shaft

    connection 0.01 bis 0.08 mm.

    Service life: These coupling have an

    infinite life, and are maintenance-free

    if the technical limits are not exceeded.

    Non-standard design applications:

    Custom designs with varied tolerances,

    keyways, non-standard material and

    bellows are available upon request.

    0.5 0.05 14 6.5 1-3 2 1xM2 1.5 50 0.4 0.1

    1 0,1 10 1-5 3 1xM2.5 1.8 70

    TKN A B C D1/2 D1/2 E F Jges CT max. Values

    Series

    Rated

    torque

    [Nm]

    Overalllength

    [mm]

    Outer

    diameter

    [mm]

    Fitlengthofhub

    [mm]

    Special

    bores

    from

    to

    [mm]

    Standard

    boreH7

    [mm]

    Clamping

    screw

    sDIN916

    Distance

    [mm]

    Massmomentofinertia

    [gcm2]

    Torsionalstiffness

    [Nm/rad]

    axial

    [mm]

    Weight

    [g]

    lateral

    [mm]

    angular

    [degrees]

    20 280

    5 0.5 6.5 3-9 6 1xM3 21026 170 0.6 0.25 2

    22 1.3 510 0.4 0.15 1

    10 3-9 6 1xM3 1.8 38028 2 320

    1524

    19 7.5 3-12 6/10 2xM3 24.7 12 750

    29 5.5 14 700 0.7

    26 15 22 1200

    20 3-16 6/10 2xM4 2.5 18 24 1300 0.6 0.2 1.535 20 26 1200

    4537

    32 13 6-22 10 2xM5 3.565 54 7000 0.7 0.2 1.5

    45 70 58 5000 1

    100 1043

    40 15 6-28 10 2xM6180 106 9050 1

    53 220 114 8800

    Integral dismounting groovefrom bore diameter 4 mmand larger.

    1 Nm = 8.85 lbs

    23 15

    20 5

    4

    1.0 6.525 15

    1.5

    2.0 1131 25

    4.5

    2

    2 7

    6

    1.3 6

    1.2 6

    1.1 6

    0.4 5

    0.1 1 1

    0.4 0.15 1

    0.4 0.15 1

    0.5 0.2 1.5

    0.5 0.2 1.5

    0.6 0.25 2

    0.5 0.15 1.5

    0.2 1.5

    0.5 0.15 1.5

    0.7 0.25 2

    0.25 2

    0.2 1.5

    1.2 0.3 2

    8

    4

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    50

    Properties frictional connection utilizing clamping hubs

    for high dynamic applications

    backlash-free and torsionally rigid

    low moment of inertia

    compensates for 3-axis of misalignment

    Ordering example:

    C

    G

    D1H7

    H-1

    G

    C

    E DIN 912

    A-1

    D2H7

    F

    metric + inch keyway optional

    Option (H)split hub

    Standard

    25 12 2.6 280 0.4 0.15

    5 3-7 6 M2 3 15 2.8 9 210 0.5 0.2 1.531 18 3 9 170 0.6 0.25

    27 14 3 9 510 0.4 0.15 1

    10 3-7 6 M2 4.5 3 17 3.4 10 380 0.5 0.2 1.533 20 3.6 11 320 0.6 0.25

    1530

    11 3-8 M2,5 3.514.5 8.5 22 750 0.5 0.15 1.5

    35 19.5 9.5 24 700 0.7 0.2 1.5

    35 17 25 36 1200 0.5 0.15 1.5

    20 3-12.7 6/10 M3 8 4 22 27 38 1300 0.6 0.2 1.544 26 29 40 1200 0.7 0.25

    4546

    16 5-16 10 M4 10 523.5 100 74 7000 0.7 0.2 1.5

    54 31.5 108 78 5000 1 0.25

    10050

    40 16 5-24 10 M4 15 527.5 160 120 9050 1

    60 37.5 205 130 8800 1.2 0.3

    to

    Series / NmOverall length

    Split hub (optional)

    Non standard

    MK2 / 5 / 25 / H / 4 / 5 / xx

    Model

    D1H7

    D2H7

    KN A B C D1/2 D1/2 E F G H ges CT Max. Values

    Temperature range: -30 bis +120C

    (3,6 F to 237 F), peaks up to 120C

    (270 F).

    Speeds: Up to 10,000 rpm, in excess

    of 10,000 rpm with balanced version.

    Backlash: Absolutely backlash-free

    due to frictional clamp connection.

    Tolerance: On the hub/shaft

    connection 0.01 bis 0.05 mm.

    Service life: These coupling have an

    infinite life, and are maintenance-free

    if the technical limits are not exceeded.

    Non-standard design applications:

    Custom designs with varied tolerances,keyways, non-standard material and

    bellows are available upon request.

    Material:

    Bellows are made of highly flexible

    high-grade stainless steel, hubs from

    aluminium

    Design:

    With a single radial clamping

    screw per hub DIN 912.

    Series

    Rates

    torque

    [Nm]

    Overalllength

    [mm]

    Outer

    diameter

    [mm]

    Fitlengthofhub

    [mm]

    Special

    bores

    from

    [mm]

    Standard

    boreH7

    [mm]

    Screw

    sDIN912

    Distancebetweencenters[mm]

    Distance

    [mm]

    Distance

    [mm]

    Massmomentofinertia[gcm2]

    Weight

    [g]

    Torsionalstiffness

    [Nm/rad]

    axial

    [mm]

    lateral

    [mm]

    angular

    [degrees]

    T J

    2

    2

    2

    28

    30

    40 13

    9

    9

    19

    32

    25

    15

    15

    10

    1.5

    4.5

    2.0

    0.5

    1.0

    6

    4.5

    6

    9 1

    1

    2

    0.2 1.51 Nm = 8.85 in lbs

    Couplings Model MK 2

    Technical specifications

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    51

    Datasheet LM Guide Actuator KR

    Contact person

    Company

    ref. to

    Street

    Zip / City

    Description of the application:

    Axis X Y Z

    Position (horizontal, vertical, across)

    Stroke length mm

    max. Velocity m/s

    max. Acceleration m/s2

    Conveyed mass kg

    Axial load N

    Positioning mm

    Positioning accuracy reproducibility mm

    Please add a sketch if possible:

    Please offer the following options:

    - Cover (with a bellow) - Motor adapter with fitting dimensions

    - Cover (with sheet metal) - Clutch

    - Inductive proximity sensor

    - Photosensor

    - Sensor rail, Sensor bracket

    Date

    Phone

    Fax

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    Precautions on Use Handling

    Do not drop the product or subject it to impact, as doing so may damage it. Therefore, great care should be exercised in its handling.

    Unauthorized disassembly of the product could lead to contamination by foreign matter and impair the precision. Therefore, disassembly should not

    be performed unless absolutely necessary.

    At high rotational speeds, the ballscrew causes resonance due to the characteristic frequency of the screw shaft, which may make operation impos-

    sible. The shaft speed should be therefore set at a level below the resonant point (critical speed).

    Please consult .

    Operating Temperature Range

    Do not use this product at 80 C or higher. If your system requires a temperature of 80 C or higher, contact .

    Lubrication

    A certain lubrication is absolutely necessary for the operation of the LM Guide Actuator KR. Otherwise, it will be damaged before it reaches its pro-

    jected service life. Therefore, please take care about the following points:

    - Before operation the anti-corrosion oil must be removed and the LM Guide Actuator KR lubricated.

    - The usage of different lubricants must be avoided.

    - The lubricant intervals should correspond to the operation necessities and to the environment surroundings.

    - When used under special environment, including in locations subject to continual vibration, in a clean room, under a vacuum, and at low or high

    temperatures, contact .

    !

    Specifications are subject to change without notice

    03/2004 Printed in Belgium

    THK GmbH

    European Headquarters

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    40878 Ratingen

    Tel. (0 21 02) 74 25-0

    Fax (0 21 02) 74 25-29 9

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    [email protected]

    Stuttgart Office

    Heinrich-Lanz-Str. 3

    70825 Korntal-MnchingenTel. (0 71 50) 91 99-0

    Fax (0 71 50) 91 99-8 88

    [email protected]

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    Schaumburg, IL. 60173

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    Europe, S.A.S.

    Parc d Activits la

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    Sweden

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    of America, Inc.

    471 North High Street

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