HIWIN
Table 1.16
Height and width tolerances of interchangeable types
Series/size
Accuracy class
Height tolerance of H
Width tolerance of N
Height variance of H
Width variance of N
HG_15, 20
QH_15, 20
Normal (C)
±0,1
±0,1
0,02
0,02
High (H)
±0,03
±0,03
0,01
0,01
Precision (P)
±0,015
±0,015
0006年
0006年
HG_25, 30, 35
QH_25, 30, 35
Normal (C)
±0,1
±0,1
0,02
0,03
High (H)
±0,04
±0,04
0,015
0,015
Precision (P)
±0,02
±0,02
0007年
0007年
HG_45, 55
QH_45
Normal (C)
±0,1
±0,1
0,03
0,03
High (H)
±0,05
±0,05
0,015
0,02
Precision (P)
±0,025
±0,025
0007年
0,01
HG_65
Normal (C)
±0,1
±0,1
0,03
0,03
High (H)
±0,07
±0,07
0,02
0,025
Precision (P)
±0,035
±0,035
0,01
0,015
Unit: mm
1.2.14 Permissible mounting surface tolerances
Once the requirements relating to the accuracy of the mounting surfaces are met, the
good accuracy, rigidity and lifetime of the HG and QH series linear guideways are
achieved.
S
1
P
(500)
Parallelism of the reference surface (P)
Table 1.17
Maximum tolerance for parallelism (P)
Series/size
ZO
ZA
ZB
Preload class
HG/QH_15
25
18
—
HG/QH_20
25
20
18
HG/QH_25
30
22
20
HG/QH_30
40
30
27
HG/QH_35
50
35
30
HG/QH_45
60
40
35
HG_55
70
50
45
HG_65
80
60
55
Unit: μm
Linear Guideways
HG/QH series
22