Milling cutter SC SPEEDCUT Aluminium XL HB, triple blade

Name: Milling cutter SC SPEEDCUT Aluminium XL HB, triple blade
Brand: Würth
SKU: 5443300992

End mill SC Alu WN-XL Z3 3xD/2xD W 34-38° HB
CTR-SC-SP-WN-AL-EL-HB-D4,0MM

Art.-no. 5443300992

EAN 4055375924044

All versions

Specification

Ideal for working with aluminium materials (cast and wrought aluminium alloys). Core taper for maximum stability, optimal chip flow with optimised production grinding process, producing extremely smooth surfaces. Maximum chipping rates and optimal surface quality with unique cutting geometry.

Technical information


Product code	7920
Material to be processed	Copper, Brass, Aluminium, Plastic
Diameter (d1)	4 mm
Shank diameter (d2)	6 mm
Clearance diameter (d3)	3.8 mm
Standards	CS
Construction length	Extra long
Shank style	Cylindrical DIN 6535-HB
Cutting material	SC
Surface	Plain
Coolant supply	External
Twist angle	34-38°
Length (l1)	60 mm
Cutting edge length (l2)	11 mm
Clearance length (l3)	21 mm
Number of cutting edges (Z)	3 PCS
Corner chamfer	0.06 mm
Tolerance of cutting edge diameter	h10
Tolerance of shank diameter	h6
Material of sub-group	Copper, Brass, Aluminium, Plastics

Cutting values for finishing contour
For dia. 10 to dia. 20
Material designation	Tensile strength	Cooling	v_c	f_z
				Dia. 10	Dia. 12	Dia. 16	Dia. 20
Aluminium, aluminium alloys	< 530 N/mm²	E	580	0,096	0,108	0,132	0,168
Aluminium, cast aluminium alloys < 10 % Si	< 600 N/mm²	E	530	0,096	0,108	0,132	0,168
Aluminium, cast aluminium alloys > 10 % Si	< 600 N/mm²	E	290	0,120	0,144	0,180	0,228
Copper, low-alloy	< 350 N/mm²	E	160	0,090	0,108	0,132	0,168
Brass, short-chipping	< 600 N/mm²	E	290	0,090	0,108	0,132	0,168
Brass, long-chipping	< 600 N/mm²	E	205	0,090	0,108	0,132	0,168
Bronze, short-chipping	< 600 N/mm²	E	205	0,090	0,108	0,132	0,168
Bronze, short-chipping	650-850 N/mm²	E	170	0,090	0,108	0,132	0,168
Bronze, long-chipping	< 850 N/mm²	E	170	0,090	0,108	0,132	0,168
Bronze, long-chipping	850-1200 N/mm²	E	145	0,090	0,108	0,132	0,168

Cutting values for finishing contour
For dia. 3 to dia. 8
Material designation	Tensile strength	Cooling	v_c	f_z
				Dia. 3	Dia. 4	Dia. 5	Dia. 6	Dia. 8
Aluminium, aluminium alloys	< 530 N/mm²	E	580	0,053	0,057	0,061	0,066	0,084
Aluminium, cast aluminium alloys < 10 % Si	< 600 N/mm²	E	530	0,053	0,057	0,061	0,066	0,084
Aluminium, cast aluminium alloys > 10 % Si	< 600 N/mm²	E	290	0,048	0,050	0,052	0,055	0,084
Copper, low-alloy	< 350 N/mm²	E	160	0,033	0,038	0,043	0,049	0,072
Brass, short-chipping	< 600 N/mm²	E	290	0,033	0,038	0,043	0,049	0,072
Brass, long-chipping	< 600 N/mm²	E	205	0,033	0,038	0,043	0,049	0,072
Bronze, short-chipping	< 600 N/mm²	E	205	0,033	0,038	0,043	0,049	0,072
Bronze, short-chipping	650-850 N/mm²	E	170	0,033	0,038	0,043	0,049	0,072
Bronze, long-chipping	< 850 N/mm²	E	170	0,033	0,038	0,043	0,049	0,072
Bronze, long-chipping	850-1200 N/mm²	E	145	0,033	0,038	0,043	0,049	0,072

Legend
E = emulsion		a_e = 0.1xd1
v_c = cutting speed [m/min]
f_z = feed per tooth [mm/z]		a_p = 1.5xd1
a_e = cutting thickness (radial)
a_p = cutting thickness (axial)
The cutting speeds listed refer to all tool types according to DIN 6527K or DIN6527L. For XL Series end mills, it is recommended to reduce the cutting speed by 30 %.

Cutting values for roughing contour
For dia. 3 to dia. 8
Material designation	Tensile strength	Cooling	v_c	f_z
				Dia. 3	Dia. 4	Dia. 5	Dia. 6	Dia. 8
Aluminium, aluminium alloys	< 530 N/mm²	E	500	0,035	0,041	0,048	0,055	0,070
Aluminium, cast aluminium alloys < 10 % Si	< 600 N/mm²	E	475	0,035	0,041	0,048	0,055	0,070
Aluminium, cast aluminium alloys > 10 % Si	< 600 N/mm²	E	250	0,032	0,036	0,041	0,046	0,070
Copper, low-alloy	< 350 N/mm²	E	135	0,022	0,028	0,035	0,041	0,060
Brass, short-chipping	< 600 N/mm²	E	250	0,022	0,028	0,035	0,041	0,060
Brass, long-chipping	< 600 N/mm²	E	175	0,022	0,028	0,035	0,041	0,060
Bronze, short-chipping	< 600 N/mm²	E	175	0,022	0,028	0,035	0,041	0,060
Bronze, short-chipping	650-850 N/mm²	E	135	0,022	0,028	0,035	0,041	0,060
Bronze, long-chipping	< 850 N/mm²	E	135	0,022	0,028	0,035	0,041	0,060
Bronze, long-chipping	850-1200 N/mm²	E	120	0,022	0,028	0,035	0,041	0,060

Legend
E = emulsion		a_e = 0.5xd1
v_c = cutting speed [m/min]
f_z = feed per tooth [mm/z]		a_p = 1.5xd1
a_e = cutting thickness (radial)
a_p = cutting thickness (axial)
The cutting speeds listed refer to all tool types according to DIN 6527K or DIN6527L. For XL Series end mills, it is recommended to reduce the cutting speed by 30 %.

Cutting values for roughing contour
For dia. 10 to dia. 20
Material designation	Tensile strength	Cooling	v_c	f_z
				Dia. 10	Dia. 12	Dia. 16	Dia. 20
Aluminium, aluminium alloys	< 530 N/mm²	E	500	0,080	0,090	0,110	0,140
Aluminium, cast aluminium alloys < 10 % Si	< 600 N/mm²	E	475	0,080	0,090	0,110	0,140
Aluminium, cast aluminium alloys > 10 % Si	< 600 N/mm²	E	250	0,100	0,120	0,150	0,190
Copper, low-alloy	< 350 N/mm²	E	135	0,075	0,090	0,110	0,140
Brass, short-chipping	< 600 N/mm²	E	250	0,075	0,090	0,110	0,140
Brass, long-chipping	< 600 N/mm²	E	175	0,075	0,090	0,110	0,140
Bronze, short-chipping	< 600 N/mm²	E	175	0,075	0,090	0,110	0,140
Bronze, short-chipping	650-850 N/mm²	E	135	0,075	0,090	0,110	0,140
Bronze, long-chipping	< 850 N/mm²	E	135	0,075	0,090	0,110	0,140
Bronze, long-chipping	850-1200 N/mm²	E	120	0,075	0,090	0,110	0,140