Rockwell-automation MPMA Integrated Multi-Axis Linear Stages Manual do Utilizador descarregar pdf (Página 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)

–

0.24 (2.1)

(3)

0.18 (1.6)

(3)

0.44 (3.89)

(3)

0.53 (4.7)

(3)

0.46 (4.1)

(3)

0.34 (3.0)

(3)

0.71 (6.3)

(3)

0.53 (4.7)

(3)

0.76 (6.8)

(3)

0.58 (5.1)

(3)

1.08 (9.6)

(3)

0.81 (7.2)

(3)

1.16 (10.3)

(3)

0.87 (7.7)

(3)

1.52 (13.5)

(3)

1.13 (10)

(3)

1.67 (14.8)

(3)

1.2 (11)

(3)

2.3 (20)

(3)

1.7 (15)

(3)

2.37 (21)

(3)

1.8 (16)

(3)

2.8 (25)

(3)

2.1 (19)

(3)

3.2 (28)

(3)

2.4 (21)

(3)

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.

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