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Method of making a PVD-coated HSS drill

机译:制造PVD涂层的高速钢钻头的方法

摘要

The present invention discloses an HSS tool with a PVD coating and with at least one cutting edge. The cutting edge has a radius of 15-25 &mgr;m and the carbides in the HSS are in contact with the coating. The present invention also relates to a method of making an HSS tool provided with a PVD coating with improved wear resistance. The improvement is obtained by subjecting the tool prior to the deposition of the coating to an electropolishing treatment such that a cutting edge radius of 15-25 &mgr;m is obtained and that the carbides in the HSS are revealed.
机译:本发明公开了一种具有PVD涂层并且具有至少一个切削刃的HSS工具。切削刃的半径为15-25μm,HSS中的碳化物与涂层接触。本发明还涉及一种制造具有具有改善的耐磨性的PVD涂层的HSS工具的方法。通过在沉积涂层之前对工具进行电抛光处理,从而获得15-25μm的切削刃半径,并露出HSS中的碳化物,从而获得了改进。

著录项

  • 公开/公告号US6224972B1

    专利类型

  • 公开/公告日2001-05-01

    原文格式PDF

  • 申请/专利权人 SANDVIK AB;

    申请/专利号US19990254539

  • 申请日1999-06-07

  • 分类号C23C140/20;

  • 国家 US

  • 入库时间 2022-08-22 01:04:31

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