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| | | Recommended Feed Rates for Solid-Carbide End Mills | | |
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| | | Long version, helix angle 30°: | | |
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| | | rel. width of cut ae | | |
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| | | Application example Slot cutting Material............................................: Tensile strength................................: Milling tool........................................: Milling diameter................................: Carbide grade..................................: Number of edges z..........................: | | |
| | | 1.2311 (40CrMnMo7) 900 N/mm2 F3BH0800ADL30 KC625M 8 mm KC625M 3 cutting edges | | |
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| | | Cutting speed vc ..............................: 120 m/min | | |
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| | | Cutting depth ap......................... Width of cut ae ........................... | | 6 mm 8 mm | | |
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| | | Result: Slot cutting Attention: | | Feed per tooth fz Feed rate Vf : 0,029 mm 415 mm/min | | |
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| | | In plunging (drilling) only one cutting edge over centre is in contact, i.e. only 1 x fz should be used to calculate the feed rate vf ! | | |
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