B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
B23B 51/00 (2006.01) B23B 27/00 (2006.01) B23B 51/02 (2006.01) B23C 5/10 (2006.01) B23G 1/34 (2006.01) B23G 5/18 (2006.01)
Patent
CA 2309289
A cutting tip having a three-layer laminated structure is provided. The tip is made from a disc-shaped three-layer laminate wherein a second layer consisting of a hard sintered compact of CBN or diamond is sandwiched by a first layer and a third layer consisting of a tool material such as cemented carbide. Prismatic blanks of rectangular cross-section are cut out by cutting the three-layer laminate in strips. Semi--completed tips of a desired shape are obtained by cutting up the prismatic blanks. Desired cutting edges are formed on the semi-completed tips to produce completed tips. Because prismatic blanks are obtained from a three-layer laminate and semi-completed tips are cut out from the prismatic blanks like this, the semi-completed tips can be obtained in large numbers, yield is high, and the manufacturing cost of the tip can be reduced.
Fukushima Hiroyuki
Hiroyasu Minoru
Isibasi Satomi
Ito Masatomi
Nomura Hiroyuki
Dennison Associates
Honda Giken Kogyo Kabushiki Kaisha
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