High precision gears leading manufacturer, Precise grade DIN 5
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OEM/ODM service for spur gear, helical gear, internal gears, racks, bevel gears, screw gears, worm gear, small gear, mini gear and other machining parts

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Helical rack and pinion

Helical rack and pinion

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Rack and pinion is utilized to convert rotational motion to linear motion. A rack is straight teeth cut into one surface of rectangular or cylindrical rod shaped material, and a pinion is a small cylindrical gear meshing with the rack. There are many ways to categorize gears. If the relative position of the gear shaft is used, a rack and pinion belongs to the parallel shaft type.

We provide custom gear racks in metric standards, straight and helical tooth, various materials, fine and coarse pitch (0.5 Module – 20 Module), max width 150mm, lengths 2000mm, tooth finish include milling, shaping, ground etc,Precise grade up to DIN 6/JGMA 2

Helical gear rack(Finish milled&Shaped)



Precsion Grade: (JIS Grade 5) 7e25                                                    Hardening: Tooth area carburized(HRC42-48)
Material:(S45C Medium Carbon Steel)C45                                           Side Ground: Included
Type: Helical Rack                                                                             Pressure Angle: 20°
Treatment of Teeth: Milled                                                                 Right helix angle: 19°31′42″

Module

L

L2

Tooth No.

B

A0

A1

D

I

Hole No.

A

C1

C2

E

D1

I1

C3

Pitch Error /300mm

1

1000.00

3.14

300

15

15

14

-

-

-

-

-

-

-

-

-

-

0.02

1.5

1000.00

6.7

200

19

19

17.5

62.5

125

8

8

7

11

7

31.7

936.6

5.7

0.03

2

1000.00

8.5

150

24

24

22

62.5

125

8

8

7

11

7

31.7

936.6

5.7

0.031

2.5

1000.00

8.5

120

24

24

21.5

62.5

125

8

9

7

11

7

31.7

936.6

5.7

0.033

3

1000.00

10.3

100

29

29

26

62.5

125

8

9

10

15

9

35.0

930.0

7.7

0.035

4

1000.00

13.8

75

39

39

35

62.5

125

8

12

10

15

9

33.3

933.0

7.7

0.038

5

1000.00

17.4

60

49

39

34

62.5

125

8

12

14

20

13

37.5

925.0

11.7

0.04

6

1000.00

20.9

50

59

49

43

62.5

125

8

16

18

26

17

37.5

925.0

15.7

0.042

8

1000.00

28.7

36

79

79

71

60

120

8

25

22

33

21

120.0

720.0

19.7

0.045

10

1000.00

35.11

30

99

99

89

62.5

125

8

32

33

48

32

125.0

750.0

19.7

0.052