Title:
多結晶質立方晶窒化硼素の切削工具インサートの製造方法
Document Type and Number:
Japanese Patent JP5456948
Kind Code:
B2
Abstract:
The present invention relates to a method of making a PCBN cutting tool insert. The method includes the following steps: mixing raw material powders containing cBN and one or more of hBN, TiC, TiN, Ti(C,N), WC, W, C, Co, Co2Al9, Al, AlN, Al2O3 with a suitable liquid (e.g. ethanol) and a suitable agent (e.g. polyethylene glycol, PEG) to form a homogeneous slurry with desired composition forming spherical powder agglomerates, typically 100 mu m in diameter, preferably by spray drying filling the PCBN powder into recesses, pockets, grooves etc of a cemented carbide or cermet substrate. causing the PCBN powder to be sintered together and simultaneously bonded to the substrate inside a container under HP/HT-conditions to form a composite body.
Inventors:
Wolf Rolandel
Gerald Bainle
Gerald Bainle
Application Number:
JP2000110553A
Publication Date:
April 02, 2014
Filing Date:
April 06, 2000
Export Citation:
Assignee:
Sandvik Intellectual Property Actie Borag
International Classes:
B22F7/00; B22F7/08; B23B27/14; B23P15/30; C04B35/52; C04B35/5831; C04B37/02; C22C29/14
Domestic Patent References:
| JP4292485A | ||||
| JP7116962A | ||||
| JP9117808A | ||||
| JP2167667A | ||||
| JP8119751A | ||||
| JP2252661A | ||||
| JP2296706A |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Hiroshi Kamematsu
Nakamura Asayuki
Nagasaka Tomoyasu
Takashi Ishida
Tetsuji Koga
Hiroshi Kamematsu
Nakamura Asayuki
Nagasaka Tomoyasu