Metal cutting inserts with abrasive bodies
AssigneeSandvik Intellectual Property AB
InventorClas Sjogren
Life of this patent
Estimating the term…
Abstract
The present invention relates to a cutting tool insert of a generally polygonal shape provided with a ceramic tip in a recess in at least one of its corners with a bottom surface and at least one side surface. At least the bottom surface of the recess is provided with rails with a height h being from about 50 to about 100 μm, width w being from about 100 to about 200 μm and spaced at distance 1 from about 0.75 to about 1.25 mm. The invention also relates to a method of making such an insert using a grinding wheel of a suitable profile before or after sintering or in the pressing operation.
Claims11
Cutting tool insert of a generally polygonal shape provided with a ceramic tip brazed in a recess in at least one of its corners with a bottom surface and at least one side surface wherein at least the bottom surface of the recess is provided with rails with a height h of from about 50 to about 100 μm, a width w of from about 100 to about 200 μm and spaced at distance 1 of from about 0.75 to about 1.25 mm.
Method of making a cutting tool insert of a generally polygonal shape provided with a ceramic tip in a recess in at least one of its corners with a bottom surface and at least one side surface wherein at least the bottom surface of the recess is provided with rails with a height h of from about 50 to about 100 μm, a width w of from about 100 to about 200 μm and spaced 1 of from about 0.75 to about 1.25 mm apart.
Dependencies are inferred from the claim text.