Rockwell Automation CHPS-250 Linear Stage Installation - Manual (Page 108)

108 Rockwell Automation Publication CHPS-UM001D-EN-P - July 2014
Appendix E Mounting Bolts and Torque Values
Table 18 - Recommended Seating Torque for Aluminum Rb 72 (2024-T
4
)
UNC UNF
Plain Cadmium Plated Plain Cadmium Plated
Bolt Size
(1), (2)
N•m (lbf•in) N•m (lbf•in) N•m (lbf•in) N•m (lbf•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 (1,410) 119.8 (1,060) 159.3 (1,410) 119.8 (1,060)
(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.