Rockwell Automation MPMA Integrated Multi-Axis Linear Stages - Manual (Page 129)

Rockwell Automation Publication MPMA-UM001B-EN-P - November 2010 129
Mounting Bolts and Torque Values Appendix E
Table 61 - Recommended Seating Torque for Brass Rb 72
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 0.43(3.8)
(3)
0.33 (2.9)
(3)
0.46 (4.1) 0.34 (3.0)
(3)
#2 0.71 (6.3) (3) 0.53 (4.7) (3) 0.77 (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) 1.1 (10) (3) 1.67 (14.8) (3) 1.24 (11) (3)
#5 2.2 (20) (3) 1.7 (15) (3) 2.4 (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) 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 15.3 (136) 11.5 (102) 15.4 (136) 11.5 (102)
5/16 25.8 (228) 19.3 (171) 25.8 (228) 19.3 (171)
3/8 53.7 (476) 40.3 (357) 53.7 (476) 40.3 (357)
7/16 76.8 (680) 57.6 (510) 76.8 (680) 57.6 (510)
(1) Mounting hardware is 1960-series socket head cap bolt that meets or exceeds ANSI B18.3.
(2) Torque is based on 60,000 psi bearing stress under the head of the bolt.
(3) Denotes torques based on 100,000 psi tensile stress with threads up to one inch in diameter.