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METHOD OF MANUFACTURING SUPER HARD ALLOY BASEPLATE OUTER CIRCUMFERENCE CUTTING BLADE 发明申请

2023-05-21 4990 228K 0

专利信息

申请日期 2025-07-09 申请号 JP2011258646
公开(公告)号 JP2012131018A 公开(公告)日 2012-07-12
公开国别 JP 申请人省市代码 全国
申请人 SHINETSU CHEMICAL CO
简介 PROBLEM TO BE SOLVED : To accurately finish the dimension of a workpiece by only a cutting operation, and to eliminate a post-processing step after cutting by adopting a super hard alloy baseplate outer circumference cutting blade having extremely high cost-performance in manufacturing the super hard alloy baseplate outer circumference cutting blade, thereby inexpensively providing a rare earth magnet having high dimensional accuracy. SOLUTION : A permanent magnet is disposed adjacent to an outer circumferential edge of a thin circular ring-shaped baseplate 10 formed of a cemented carbide, and cBN abrasive grains and/or diamond abrasive grains formed by pre-coating with a magnetic material are magnetically attracted and fixed in the vicinity of the outer circumferential edge baseplate by a magnetic field formed by the permanent magnet. A cutting blade part 20 is formed by electroplating or electroless plating which connects between the abrasive grains and between the abrasive grains and the baseplate and fixes the abrasive grains to the baseplate outer circumferential edge. A metal and/or alloy with a melting point no greater than 350°C is impregnated in gaps between the abrasive grains and between the abrasive grains and the baseplate. COPYRIGHT : (C)2012, JPO&INPIT


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