C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 29/08 (2006.01) B22F 7/00 (2006.01) B23B 51/00 (2006.01) B23P 15/28 (2006.01) C22C 29/02 (2006.01)
Patent
CA 2274262
According to the present invention there is now provided a cemented carbide drill/endmill blank consisting of a core and a surrounding tube with improved technological properties. The difference in Co-content between the core and tube is 1-10 wt.% units and the cubic carbide content is 8-20 wt.% in the tube and 0.5-2 wt.% in the core. The invention also relates to the method of making said cemented carbide drill/end mill blank.
Gabarit en carbure fritté pour perçage/fraisage combiné, formé d'un noyau entouré d'un tube présentant des propriétés technologiques améliorées. La différence de teneur de Co entre le noyau et le tube est de 1-10 % d'unités en poids, et la teneur en carbure cubique est de 8-20 % en poids dans le tube et de 0,5-2 % en poids dans le noyau. L'invention porte également sur un procédé de production de ce gabarit pour perçage/fraisage combiné en carbure fritté.
Foster Stephen
Grearson Alistair
Mccarty Gary
Ouchterlony Helene
Gowling Lafleur Henderson Llp
Sandvik Ab
Sandvik Intellectual Property Ab
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