Rockwell Automation MPMA Integrated Multi-Axis Linear Stages User Manual
Page 128
128
Rockwell Automation Publication MPMA-UM001B-EN-P - November 2010
Appendix E Mounting Bolts and Torque Values
Table 60 - Recommended Seating Torque for Mild Steel Rb 87 or Cast Iron Rb 83
Bolt Size
(1), (2)
UNC
UNF
Plain
Cadmium Plated
Plain
Cadmium Plated
Nm (lb
•
in)
Nm (lb
•
in)
Nm (lb
•
in)
Nm (lb
•
in)
#0
–
–
0.24 (2.1)
(3)
0.18 (1.6)
(3)
#1
0.44 (3.89)
(3)
0.53 (4.7)
(3)
0.46 (4.1)
(3)
0.34 (3.0)
(3)
#2
0.71 (6.3)
(3)
0.53 (4.7)
(3)
0.76 (6.8)
(3)
0.58 (5.1)
(3)
#3
1.08 (9.6)
(3)
0.81 (7.2)
(3)
1.16 (10.3)
(3)
0.87 (7.7)
(3)
#4
1.52 (13.5)
(3)
1.13 (10)
(3)
1.67 (14.8)
(3)
1.2 (11)
(3)
#5
2.3 (20)
(3)
1.7 (15)
(3)
2.37 (21)
(3)
1.8 (16)
(3)
#6
2.8 (25)
(3)
2.1 (19)
(3)
3.2 (28)
(3)
2.4 (21)
(3)
#8
5.2 (46)
(3)
3.8 (34)
(3)
5.4 (48)
(3)
4.1 (36)
(3)
#10
7.6 (67)
(3)
5.6 (50)
(3)
8.6 (76)
(3)
6.4 (57)
(3)
1/4
17.8 (158)
(3)
13.4 (119)
(3)
20.3 (180)
(3)
15.4 (136)
(3)
5/16
36.8 (326)
(3)
27.7 (245)
(3)
40.7 (360)
(3)
30.5 (270)
(3)
3/8
65.5 (580)
(3)
49.1 (435)
71.7 (635)
53.7 (476)
7/16
105 (930)
(3)
78.9 (698)
(3)
117.5 (1,040)
(3)
88.1 (780)
(3)
1/2
160 (1420)
(3)
172.8 (1530)
(3)
254.2 (2250)
190.9 (1690))
(3)
(1) Mounting hardware is 1960-series socket head cap bolt that meets or exceeds ANSI B18.3.
(2) Torque is based on 80,000 psi bearing stress under the head of the bolt.
(3) Denotes torque based on 100,000 psi tensile stress, with threads up to one inch in diameter.