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

–

0.24 (2.1)

(3)

0.18 (1.6)

(3)

0.43(3.8)

(3)

0.33 (2.9)

(3)

0.46 (4.1)

0.34 (3.0)

(3)

0.71 (6.3)

(3)

0.53 (4.7)

(3)

0.77 (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)

1.1 (10)

(3)

1.67 (14.8)

(3)

1.24 (11)

(3)

2.2 (20)

(3)

1.7 (15)

(3)

2.4 (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)

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.

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