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BLOCK TYPES
A-43
Six different types of blocks are available depending on the mounting space and desired mounting method.
GL-F P.A-48
ACCURACY
GL-TF P.A-50
GL-HTF PA-52
GL-E P.A-54
GL-TE P.A-56
GL-HTE P.A-58
Three accuracy grades are available: normal-grade (no suffix), high-grade (H), and precision-grade (P).
Table A-22 Accuracy unit/mm
part number
accuracy grade
accuracy symbol
allowable dimensional tolerance for height H
paired difference for height H
allowable dimensional tolerance for width W
paired difference for width W
Running parallelism of surface C to surface A
Running parallelism of surface D to surface B
Figure A-51 Motion Accuracy
running parallelism
guide-rail length
normal
none
0.1
0.02
0.1
0.02
GL15,20
high
H
0.03
0.01
0.03
0.01
precision
P
0.030
0.006
0.030
0.006
normal-grade
high-grade
(H)
precisiongrade
(P)
normal
GL25,30,35
high precision
none H P
0.1 0.04 0.040
0.02 0.015 0.007
0.1 0.04 0.040
0.03 0.015 0.007
refer to Figure A-51
Figure A-52 Accuracy
C
H
A
D
normal
none
0.1
0.03
0.1
0.03
reference surface
(line scribed side)
B
W
GL45
high
H
0.05
0.015
0.05
0.02
NB mark
precision
P
0.050
0.007
0.050
0.01
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STROKE BALL SPLINE
TOPBALL PRODUCTS SLIDE BUSH SLIDE UNIT
STROKE BUSH
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SLIDE SHAFT
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SLIDE TABLE
MINIATURE SLIDE
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