Coated inserts for wet milling

Details Coated inserts for wet milling Coated inserts for wet milling

2008-09-30

2008-09-30

Turner, Archene (Department: 1794)

Cutters, for shaping

Comprising tool of specific chemical composition

C076S044000, C051S307000, C051S309000, C427S249190, C427S255391, C427S368000, C427S419200, C427S419700, C428S156000, C428S176000, C428S216000, C428S325000, C428S698000, C428S701000, C428S702000

Reexamination Certificate

active

11261909

ABSTRACT:
Coated milling inserts particularly useful for milling of highly alloyed grey cast iron with or without cast skin under wet conditions at preferably rather high cutting speeds and milling of nodular cast iron and compacted graphite iron with or without cast skin under wet conditions at moderate cutting speeds are disclosed.The inserts are characterised by a WC—Co cemented carbide with a low content of cubic carbides and a highly W-alloyed binder phase and a coating including an inner layer of TiCxNywith columnar grains followed by a layer of κ-Al2O3and a top layer of TiN.

REFERENCES:
patent: 5674564 (1997-10-01), Ljungberg et al.
patent: 5861210 (1999-01-01), Lenander et al.
patent: 5945207 (1999-08-01), Kutscher et al.
patent: 5976707 (1999-11-01), Grab
patent: 6221479 (2001-04-01), Waldenstrom et al.
patent: 6406224 (2002-06-01), Ostlund et al.
patent: 6638609 (2003-10-01), Nordgren et al.

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