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公开(公告)号:US20040180241A1
公开(公告)日:2004-09-16
申请号:US10760387
申请日:2004-01-21
Applicant: SANDVIK AB
Inventor: Markus Rodmar , Mikael Lindholm , Anders Jonsson , Gunilla Andersson , Anders Nordgren , Mikael Lagerquist
IPC: B32B018/00
CPC classification number: C23C28/044 , B23B27/145 , B23B2200/245 , B23B2224/04 , B23B2224/32 , B23B2228/10 , C23C16/36 , C23C28/048 , C23C28/42 , C23C30/005 , Y10T428/12583 , Y10T428/24975 , Y10T428/265
Abstract: The present invention relates to a cutting tool insert particularly for turning of steel comprising a cemented carbide body, a coating with a post treatment with a first, innermost layer system of one or several layers of TiCxNyOz with xnullynullznull1 with a total thickness of 0.7-4.5 nullm a second multilayer system consisting of a totally 5-31 alternating Al2O3 and TiCxNyOz (xnullynullznull1), preferably null-Al2O3 and TiN, the Al2O3-layers having an individual layer thickness of
Abstract translation: 本发明涉及一种特别用于钢包括硬质合金体的钢的切削刀具刀片,具有x + y + z <= 1的一层或几层TiCxNyOz的第一最内层系统的后处理涂层, 总厚度为0.7-4.5μm的由总共5-31个交替的Al 2 O 3和TiC x N y O z(x + y + z 1 = 1)组成的第二多层体系,优选为kappa-Al 2 O 3和TiN,Al 2 O 3层具有单独的层厚度 <0.5μm的TiCxNyOz层和0.01-0.2μm的TiCxNyOz层,多层的总厚度为1.0-4.0μm。 该多层沿着边缘线暴露于从前刀面上的边缘线至少0.02mm的前刀面和后刀面中,优选地,刀片的接触长度最大为0.9mm,侧面为0.02-0.20mm 面对。