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Straight tooth, Metric pitch

 

Precision cut

Material: Ck45 K+N DIN 1.1191
Profil: all faces ground
Teeth: pressure angle α = 20°
precision cut
Quality: 7h25 DIN 3962/63/67
Pf (mm):

Tolerance of cut for continuous
mounting -0.05/-0.2

Fp (mm): Cumulative pitch error

Download CAD file Download CAD Files (PDF, DXF, DWG, STEP, IGES, X_T)

Type

Part No.

L

Module

p

h0

b

h

Pf

m(kg)

 

DMZ 2.0

152020

1000

0.637

2.0

8.86

9.5

9.5

-0.05/-0.21

0.66

Download CAD file

DMZ 5.0

152050

1000

1.592

5.0

12.90

14.5

14.5

-0.05/-0.52

1.47

Download CAD file

DMZ 7.5

152075

1005

2.387

7.5

17.11

19.5

19.5

-0.05/-0.78

2.63

Download CAD file

DMZ 10.0

152100

1000

3.183

10.0

26.32

29.5

29.5

-0.05/-1.05

6.09

Download CAD file

DMZ 12.5

152125

1000

3.979

12.5

35.52

39.5

39.5

-0.05/-1.31

11.01

Download CAD file
p (mm): pitch

L2: face width

p

Modul

 

z

L2

 

FN [N]

TN [Nm]

2.0

0.637

 

25

9.5

 

76

0.6

2.0

0.637

 

30

9.5

 

95

0.9

5.0

1.592

 

20

11.5

 

733

11.7

5.0

1.592

 

20

14.5

 

925

15

7.5

2.387

 

20

19.5

 

1958

47

10.0

3.183

 

14

29.5

 

2644

59

10.0

3.183

 

20

29.5

 

4340

138

12.5

3.979

 

14

40.0

 

3225

90

12.5

3.979

 

20

40.0

 

5108

203

12.5

3.979

 

26

40.0

 

7109

368

16.0

5.093

 

20

50.0

     

20.0

6.366

 

20

60.0

     

25.0

7.958

 

20

80.0

     

The rack can be supplied precision cut or hardened and ground. The values given are values for shock-free operation, good lubrication and stiff arrangement of the pinion.
A safety factor for tooth root stress SF ≥ 1.4 and a safety factor for Hertzian stress SH ≥ 1.0 is taken in account.

Depending on your experiences and the application a safety factor SB ≈ 1.0 ... 4.0 has to be considered. The traction force FN is related to the number of teeth z of the pinion.