HIWIN
Table 1.18
Maximum tolerance for height of reference surface (S
1
)
Series/size
ZO
ZA
ZB
Preload class
HG/QH_15
130
85
—
HG/QH_20
130
85
50
HG/QH_25
130
85
70
HG/QH_30
170
110
90
HG/QH_35
210
150
120
HG / QH_45
250
170
140
HG_55
300
210
170
HG_65
350
250
200
Unit: μm
1.2.15 Shoulder heights and fillets
Imprecise shoulder heights and fillets of mounting surfaces compromise precision and
may lead to conflicts with the block or rail profiles. The following shoulder heights and
edge profiles must be observed in order to avoid assembly problems.
H
1
E
1
r
r
Block
Rail
E
2
r
r
Table 1.19
Shoulder heights and fillets
Series/size
Max. edge
radius r
Shoulder height of
reference edge of rail E
1
Shoulder height of
reference edge of block E
2
Clearance
under block H
1
HG_15
0,5
3,0
4,0
4,3
QH_15
0,5
3,0
4,0
4,0
HG/QH_20
0,5
3,5
5,0
4,6
HG/QH_25
1,0
5,0
5,0
5,5
HG/QH_30
1,0
5,0
5,0
6,0
HG/QH_35
1,0
6,0
6,0
7、5
HG / QH_45
1,0
8,0
8,0
9,5
HG_55
1,5
10,0
10,0
13,0
HG_65
1,5
10,0
10,0
15,0
Unit: mm
23