Metric Gear Rack

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.

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Product Details

metric gear rack

metric gear rack Precsion Grade: (JIS Grade 5) 7e25

Material:(S45C Medium Carbon Steel)C45

Type: Helical Rack

Treatment of Teeth: Milled

Hardening: Tooth area carburized(HRC42-48)

Side Ground: Included

Pressure Angle: 20°

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	3.14	300	15	15	14	-	-	-	-	-	-	-	-	-	-	0.02
1.5	1000	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	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	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	10.3	100	29	29	26	62.5	125	8	9	10	15	9	35	930	7.7	0.035
4	1000	13.8	75	39	39	35	62.5	125	8	12	10	15	9	33.3	933	7.7	0.038
5	1000	17.4	60	49	39	34	62.5	125	8	12	14	20	13	37.5	925	11.7	0.04
6	1000	20.9	50	59	49	43	62.5	125	8	16	18	26	17	37.5	925	15.7	0.042
8	1000	28.7	36	79	79	71	60	120	8	25	22	33	21	120	720	19.7	0.045
10	1000	35.11	30	99	99	89	62.5	125	8	32	33	48	32	125	750	19.7	0.052