Linear Line EN

5 Technical instructions

The maximum permissible deviations of the rail surfaces for assem bly are given in the following drawing (see fig. 46) and the table below (see tab. 36): Assembly precision

p1

p2

500

Fig. 46

Size

Permissible tolerance for parallelism p1 [µm]

Permissible tolerance for parallelism p2 [µm]

K2

K1

K0

G1

K2

K1

K0

G1

15

-

18

-

25

35

190

20

18

20

50

85

130

25

20

22

30

42

70

195

30

27

30

40

55

90

110

170

250

35

30

35

50

68

120

150

210

290

45

35

40

60

85

140

170

250

350

55

45

50

70

95

170

210

300

420 Tab. 36

The bolt sizes to be used and optimum tightening torques for rail assembly are listed in the table below (see tab. 37).

Screw quality 12.9, DIN 912

Tightening torque M t [Nm]

Steel

Cast iron

Aluminium

M4

4

3

2

M5

9

6

4

M6

14

9

7

M8

30

20

15

M12

118

78

59

M14

157

105

78

Tab. 37

MR-36