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    Roller Type GRV / GRV-S


    ★ 1 set = 4 rails + 2 roller retainers + 8 end screws.
    ★ Guide-Crossed Roller Guide. It is composed of precise crossed rollers with hardened steel formed precisely to be V-grooves rail guides to create linear motion element in high accuracy. It is suitable for limited stroke linear motion system with high rigidity, mid-hard load and spry moment.
    ★ GRV-S No finished to V-groove surface of the rail.
    ★ GRV-S series are suitable for application to clean rooms.
    ★ Accuracy Grade: H-High;P-Precision
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    Model

    Max. stroke (mm)

    Roller dia. Ø (mm)

    Height (H) (mm)

    Standard

    Antirust

    GRV00-20

    GRV00-20-S

    17

    Ø1

    6.2

    GRV00-30

    GRV00-30-S

    21

    Ø1

    6.2

    GRV00-40

    GRV00-40-S

    25

    Ø1

    6.2

    GRV00-50

    GRV00-50-S

    29

    Ø1

    6.2

    GRV00-60

    GRV00-60-S

    33

    Ø1

    6.2

    GRV00-70

    GRV00-70-S

    37

    Ø1

    6.2

    GRV00-80

    GRV00-80-S

    41

    Ø1

    6.2

    GRV01-20

    GRV01-20-S

    13

    Ø1.5

    8.5

    GRV01-30

    GRV01-30-S

    21

    Ø1.5

    8.5

    GRV01-40

    GRV01-40-S

    29

    Ø1.5

    8.5

    GRV01-50

    GRV01-50-S

    37

    Ø1.5

    8.5

    GRV01-60

    GRV01-60-S

    45

    Ø1.5

    8.5

    GRV01-70

    GRV01-70-S

    53

    Ø1.5

    8.5

    GRV01-80

    GRV01-80-S

    61

    Ø1.5

    8.5

    GRV02-30

    GRV02-30-S

    24

    Ø2

    12

    GRV02-45

    GRV02-45-S

    30

    Ø2

    12

    GRV02-60

    GRV02-60-S

    44

    Ø2

    12

    GRV02-75

    GRV02-75-S

    58

    Ø2

    12

    GRV02-90

    GRV02-90-S

    72

    Ø2

    12

    GRV02-105

    GRV02-105-S

    86

    Ø2

    12

    GRV02-120

    GRV02-120-S

    100

    Ø2

    12

    GRV02-135

    GRV02-135-S

    106

    Ø2

    12

    GRV02-150

    GRV02-150-S

    120

    Ø2

    12

    GRV02-165

    GRV02-165-S

    134

    Ø2

    12

    GRV02-180

    GRV02-180-S

    148

    Ø2

    12

    GRV03-50

    GRV03-50-S

    34

    Ø3

    18

    GRV03-75

    GRVG03-75-S

    54

    Ø3

    18

    GRV03-100

    GRV03-100-S

    74

    Ø3

    18

    GRV03-125

    GRV03-125-S

    104

    Ø3

    18

    GRV03-150

    GRVG03-150-S

    124

    Ø3

    18

    GRV03-175

    GRV03-175-S

    144

    Ø3

    18

    GRV03-200GRV03-200-S164Ø318
    GRV03-225GRV03-225-S184Ø318
    GRV03-250GRV03-250-S204Ø318

    GRV03-275

    GRV03-275-S

    224

    Ø3

    18

    GRV03-300GRV03-300-S244Ø3

    18

    GRV04-80GRV04-80-S54Ø422
    GRV04-120GRV04-120-S92Ø422
    GRV04-160GRV04-160-S130Ø422
    GRV04-200GRV04-200-S154Ø422
    GRV04-240GRV04-240192Ø422
    GRV04-280GRV04-280-S230Ø422
    GRV04-320GRV04-320-S254Ø422
    GRV04-360GRV04-360-S292Ø422
    GRV04-400GRV04-400-S330Ø422
    GRV04-440GRV04-440-S354Ø422
    GRV04-480GRV04-480-S392Ø422
    GRV06-100GRV06-100-S80Ø6

    31

    GRV06-150GRV06-150-S108Ø631
    GRV06-200GRV06-200-S154Ø631
    GRV06-250GRV06-250-S200Ø631
    GRV06-300GRV06-300-S246Ø631
    GRV06-350GRV06-350-S274Ø631
    GRV06-400GRV06-400-S320Ø631
    GRV06-450GRV06-450-S366Ø631
    GRV06-500GRV06-500-S412Ø631
    GRV06-550GRV06-550-S458Ø631
    GRV06-600GRV06-600-S486Ø631
    GRV09-200-158Ø944
    GRV09-300-246Ø944
    GRV09-400-306Ø944
    GRV09-500-394Ø944
    GRV09-600-482Ø944
    GRV09-700-570Ø944
    GRV09-800-658Ø944
    GRV09-900-746Ø944
    GRV09-1000-806Ø944
    GRV09-1100-894Ø944
    GRV09-1200-982Ø944
    GRV12-200-160Ø1258
    GRV12-300-216Ø1258
    GRV12-400-308Ø1258
    GRV12-500-400Ø1258
    GRV12-600-492Ø1258
    GRV12-700-548Ø1258
    GRV12-800-640Ø1258
    GRV12-900-732Ø1258
    GRV12-1000-824Ø1258
    GRV12-1100-916Ø1258
    GRV12-1200-972Ø1258

     

    Introduction of Crossed Roller Slide Rail Set

    ♦ Roller type
    1. GRV / GRD / GRV-S / GRD-S / GRVG / GRVG-S / GRVP / GRDP are composed of precise crossed rollers with hardened steel formed precisely to be V-grooves rail guides to create linear motion element in high accuracy.
    2. Limited stroke linear motion system with high rigidity, mid-hard load and spry moment.


    ♦ Ball type
    1. GBV&GBD are composed of ball retainer combined with precise balls bearing arranged in smaller clearance, with the exclusive rails been heat treatment and cryogenic finish, then, forming precisely grinding V-shaped grooves.
    2. Limited stroke linear motion system with low friction, light load and high accuracy.

     

    Features

    ♦ Suited to micro-movement
    Due to tiny friction resistance and almost no difference between starting friction resistance and dynamic friction resistance. In case of tiny movement could also maintain correct trace perform high precision on the linear motion mechanism.

    ♦ Stability in low speed
    Even in case of light loading, its variation of friction resistance is also tiny, so stability from low to high speed could be kept.

    ♦ High rigidity、high loading capacity
    Comparison of roller and ball bearing, larger contact area、less elasticity deformation, and non-circulation, great number of units rotating effectively, so high rigidity and large load capacity.

    ♦ Low noise
    GMT Crossed Roller Slide Rail Set has no circulated rotating, no noise occurred. Using roller slide way with roller retainer makes no noise caused by contact friction in between each rolling unit moves alternately, to ensure a quiet movement motion.

     

    Selection

    ♦  Selection Procedure- Crossed Roller Slide Rail Set
    1. Rolling element retainer selection upon load request:
    2. Heavy duty → roller or light duty→ ball bearing.
    3. To decide "rolling element diameter"
    4. Model type selected per installation way.
    5. Specification confirmed.
    6. Material selection per environment:SUJ2及SUS440C

    ♦  GMT Crossed Roller Slide Rail Set
    Composed of two pieces of stainless steel rails with V-grooves, been hardened and ground forming precisely, and rolling elements. Roller type moves in connective 90 degrees alternately to meet requirement of high parallelism and high latness. In construction, rolling elements are transmitted in cross-contact by precise roller and V-grooves in rails, and in non circulation. Variation caused by friction resistance is little as well, even almost no difference between starting friction resistance and dynamic friction resistance in light duty. High accuracy moving and loading capacity could be performed.

    ♦  Crossed Roller Slide Rail Set Application
    Wildly applied to accuracy moving device in heavy duty or light duty、in variety of measuring instrument、Printed Circuit Board drilling machine…etc, or slide table used in Optical Measuring Instrument、Precise Gauge in Optical Experiment、precision fine tuning Optical Stage、Operation Mechanism、Survey Device, precise positioning, quantitative movement、X-ray Device & Micro-hole EDM.

    ♦ Lubrication
    Linear motion needs effective lubrication. Abrasion increase of rolling elements and life decrease would be caused in running without lubrication.

    Function of lubrication:
    1. Reduce friction between running parts greatly, so that it could prevent lock and decrease abrasion.
    2. Forming oil film on rolling surface to reduce abrasion of metal medium to extend life of rolling elements.
    3. Covering on metal surface to prevent rust.