Tooth-form cutter HSS pressure angle 20°

Name: Tooth-form cutter HSS pressure angle 20°
Brand: Würth
SKU: 5443601339

Gear cutter HSS BPII DIN 3972 Z12 20°
CTR-TO-EW20G-M1/1

Art.-no. 5443601339

EAN 4055375882405

All versions

Specification

For milling spur wheels based on module.

Technical information


Product code	3353
Material to be processed	Steel, Cast metal, Stainless steel
Standards	DIN 3972 BPII
Diameter (d1 (js16))	50 mm
Bore diameter (d2 (H7))	16 mm
Number of cutting edges (Z)	12 PCS
Cutting material	HSS
Surface	Plain
Tolerance of cutting edge diameter	js16
Material of sub-group	General structural steels, Non-alloyed tempering steels < 1000 N/mm², Alloyed tempering steels < 1000 N/mm², Nitriding steels < 1300 N/mm², Grey cast iron, Malleable cast iron, Stainless steels < 850 N/mm², Stainless steels > 850 N/mm²

Cutting values for finishing contour
For dia. 40 to dia. 70
Material designation	Tensile strength	Cooling	v_c	f_z
				Dia. 40	Dia. 50	Dia. 63-70
General structural steels	< 500 N/mm²	E	30	0,033	0,035	0,042
General structural steels	500-850 N/mm²	E	25	0,029	0,031	0,037
Carbon steels	< 850 N/mm²	E	25	0,024	0,025	0,030
Carbon steels	850-1000 N/mm²	E	20	0,024	0,025	0,030
Unalloyed heat-treated steels	< 700 N/mm²	E	25	0,024	0,025	0,030
	700-850 N/mm²	E	25	0,024	0,025	0,030
	850-1000 N/mm²	E	20	0,024	0,025	0,030
Alloyed heat-treated steels	850-1000 N/mm²	E	20	0,024	0,025	0,030
Alloyed heat-treated steels	1000-1200 N/mm²	E	17	0,026	0,028	0,034
Unalloyed case-hardening steels	< 750 N/mm²	E	25	0,024	0,025	0,030
Alloyed case-hardening steels	< 1000 N/mm²	E	20	0,024	0,025	0,030
Alloyed case-hardening steels	1000-1200 N/mm²	E	17	0,026	0,028	0,034
Nitriding steels	< 1000 N/mm²	E	20	0,024	0,025	0,030
Nitriding steels	1000-1200 N/mm²	E	17	0,026	0,028	0,034
Tool steels	< 850 N/mm²	E	25	0,024	0,025	0,030
	850-1100 N/mm²	E	17	0,026	0,028	0,034
	1100-1400 N/mm²	E	12	0,026	0,028	0,034
High-speed steels	850-1200 N/mm²	E	12	0,026	0,028	0,034
Wear-resistant constructional steel	1350 N/mm²	E	8	0,026	0,028	0,034
Spring steels	< 1200 N/mm²	E	8	0,026	0,028	0,034
Stainless steels, sulphurated	< 700 N/mm²	E	25	0,024	0,025	0,030
Stainless steels, austenitic	< 700 N/mm²	E	25	0,024	0,025	0,030
Stainless steels, austenitic	< 850 N/mm²	E	20	0,024	0,025	0,030
Stainless steels, martensitic	< 1100 N/mm²	E	17	0,026	0,028	0,034
Special alloys	< 1200 N/mm²	E	8	0,026	0,028	0,034
Cast iron	< 180 HB	-	25	0,024	0,025	0,030
Cast iron	> 180 HB	-	20	0,024	0,025	0,030
Nodular graphite, malleable iron	> 180 HB	-	20	0,024	0,025	0,030
Nodular graphite, malleable iron	> 260 HB	E	17	0,024	0,025	0,030

Legend
E = emulsion
v_c = cutting speed [m/min]
f_z = feed per tooth [mm/t]
The suggested cutting values are reference values and must be adapted to the respective conditions.