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USP280 End Mills Series
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Tel: ( 86) 755-26996606
Fax: ( 86) 755-26007653
E-mail: rosemary@ussharp.com
Woods-tiger@ussharp.com
Web site: www.ussharp.com
Address: Floor 4, Jinhui Building, Nanhai Road, Nanshan District, ShenZhen
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Hard Material milling applications put high demands on tool holder and cutting edge and requires certain adjustments to milling parameters. Fully hardened material is harder to cut and the cutter will develop more heat in the cut. By using ball nose tools wherever possible, the detrimental influence of heat can be minimized. Cutting speed and consequently the feed rate have to be reduced. Depth of cut and consequently width of cut or step-over will also have to be reduced when milling hard material.
Due to the additional chip thinning effect caused by the shallower depth of cut, the tool can be run at a higher feed per tooth (fz) and the feed rate decrease is small or even offset. Toroid tools, bull nose tools and square tools may also be used in hard milling operations, but the sharper the corner radius, the less 'heat-defying' the tool is. Contact our application specialists with your specific questions or applications.
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