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Recommended Feed Rates for Solid-Carbide End Mills

Long version, helix angle 30°:

rel. width of cut a_e

Application example

Slot cutting

Material............................................:

Tensile strength................................:

Knee mill tool........................................:

Milling diameter................................:

Carbide grade..................................:

Number of edges z..........................:

1.2311 (40CrMnMo7) 900 N/mm²

F3BH0800ADL30 KC625M 8 mm

KC625M

3 cutting edges

Cutting speed v_c ..............................: 120 m/min

Cutting depth ap.........................

Width of cut a_e ...........................

6 mm 8 mm

Result: Slot cutting

Attention:

Feed per tooth f_z Feed rate Vf : 0,029 mm 415 mm/min

In plunging (drilling) only one cutting edge over centre is in contact, i.e. only 1 x f_z should be used to calculate the feed rate v_f !

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