Rockwell Automation MPMA Integrated Multi-Axis Linear Stages - Manual (Page 130)

130 Rockwell Automation Publication MPMA-UM001B-EN-P - November 2010
Appendix E Mounting Bolts and Torque Values
Table 62 - Recommended Seating Torque for Aluminum Rb 72 (2024-T
4
)
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 (3.8) (3) 0.33 (2.9) (3) 0.46 (4.1) (3) 0.34 3.0v
#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 2.3 (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) 2.37 (21) (3)
#8 5.2 (46)
(3)
3.8 (34)
(3)
3.2 (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 12.8 (113) 9.6 (85) 12.8 (113) 9.6 (85)
5/16 21.5 (190) 16.1 (143) 21.5 (190) 16.1 (143)
3/8 44.8 (397) 33.6 (298) 44.8 (397) 33.7 (298)
7/16 64.4 (570) 48.0 (425) 64.4 (570) 48.0 (425)
1/2 159.3 (1410) 119.8 (1060) 159.3 (1410) 119.8 (1060)
(1) Mounting hardware is 1960-series socket head cap bolt that meets or exceeds ANSI B18.3.
(2) Torque is based on 50,000 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.