Involute gear cutters for spur wheels, pressure angle 20°, code 890075, module 3.5, for 55-134 teeth

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Involute gear cutters for spur wheels, pressure angle 20°, code 890075, module 3.5, for 55-134 teeth

890075.03507 High-speed steel HSS Co5 DIN 3972

m	D js 16	d H 7	Z	a_e	Z_OZ	n	Item code	On stock
3,5	80	27	12	7,59	55-134	7	890075.03507	Yes

Number of teeth (Gears)

Modul	1	2	3	4	5	6	7	8
Z_OZ	12-13	14-16	17-20	21-25	26-34	35-54	55-134	135-00

Material	Strength	A_e	V_c	fz(mm/z) Ø 40	Ø 50	Ø 63	Ø 70	Ø 80	Ø 90	Ø 100
Modul 1-5
P.1 \| Free-cutting steels, general construction steels	≤ 600 N/mm²	2,1xm	20	0.01	0.013	0.016	0.018	0.021	0.023	0.026
P.2 \| General construction steels, steel castings	≤ 850 N/mm²	2,1xm	15	0.01	0.013	0.016	0.018	0.021	0.023	0.026
K.1 \| Cast iron (≤ 240 HB)	≤ 820 N/mm	2,1xm	12	0.011	0.014	0.018	0.02	0.023	0.026	0.029
K.2 \| Cast iron (> 240 HB)	> 800 N/mm²	2,1xm	10	0.01	0.013	0.016	0.018	0.021	0.023	0.026
Modul 6
P.1 \| Free-cutting steels, general construction steels	≤ 600 N/mm²	2,1xm	20	0.026	0.033	0.041	0.046	0.053	0.059	0.066
P.2 \| General construction steels, steel castings	≤ 850 N/mm²	2,1xm	15	0.022	0.027	0.035	0.038	0.044	0.049	0.055
K.1 \| Cast iron (≤ 240 HB)	≤ 820 N/mm	2,1xm	12	0.022	0.027	0.035	0.038	0.044	0.049	0.055
K.2 \| Cast iron (> 240 HB)	> 800 N/mm²	2,1xm	10	0.021	0.026	0.033	0.037	0.042	0.047	0.053

Calculations of cutting conditions

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Straight bore with standard keyway according to DIN 138.

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Helix angle = 0°. Rake angle = 0°.

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Universal usage. Suitable for materials up to strength 900 MPa.

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Very high performance high speed steel with good toughness for milling cutters and for milling of materials up to the strength of 1200 MPa.