Category
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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Stainless steels AISI series 300 (Chrome-Nickel alloys), AISI series (Chrome and Chrome-Molybdenum alloys) and precipitation-hardening (PH) steels can be profile milled with strategies, parameters and catalog standard tools developed by Millstar for profile milling.
400 series stainless steels in soft and hardened state have very good machinability properties when using Millstar tools. 300 series stainless steels and PH steels are not quite as easy to machine, but HS machining methods can still be employed. Resulfurized material machines easiest. For softer (<40 HRc), gummy or sticky materials such as stainless or lower carbon steels, Millstar has developed a thin-film coating that minimizes edge build-up and can perform under extreme conditions and with long tool life. When machining these softer, gummy or sticky materials a certain amount of lubricant is of advantage in preventing edge build-up and adhesion. Coolant with a higher coolant concentration (9-12%) or MQL is recommended. Running tools aggressively, so the temperature in the cutting zone is high enough to prevent built-up edge eliminates this problem and increases productivity as well.
All stainless steels above 40 HRc should be machined with non-chipbreaker geometry when using inserts in this hardness range. Use of MQL or compressed air is recommended.
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