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US 10,654,116 B2Granted
Cutting insert, metal spacer and holder
AssigneeTungaloy Corporation
InventorSozo Kawasaki
Life of this patent
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Abstract
A cutting insert comprising a cutting tip and a base insert on which the cutting tip is mounted, the cutting insert being provided with a passage PA which is formed along a boundary surface between the cutting tip and the base insert so as to extend from a boundary part, in an upper surface of the cutting insert, between the cutting tip and the base insert to another boundary part, in a lower surface of the cutting insert, between the cutting tip and the base insert.
Claims14
A cutting insert comprising:
- a base insert comprising a first upper surface, a first lower surface and a first side surface connecting the first upper surface and the first lower surface;
- and
- a cutting tip comprising a second upper surface, a second lower surface and a second side surface connecting the second upper surface and the second lower surface, wherein:
- the first side surface comprises:
- a first mounting surface;
- and
- a first peripheral side surface connected to the first upper surface, the first lower surface and the first mounting surface;
- the second side surface comprises:
- a second mounting surface opposing the first mounting surface, the second mounting surface including a second passage surface;
- and
- a second peripheral side surface which is connected to the second upper surface, the second lower surface and the second mounting surface and in which at least an edge connected to the second upper surface is provided with a first cutting edge;
- the first mounting surface comprises:
- a first securing surface fixed to the second mounting surface;
- and
- a first passage surface opposing the second mounting surface;
- and
- the first passage surface and the second passage surface form a passage in communication with the second upper surface and the second lower surface to thereby allow coolant for cooling the cutting tip to pass therethrough.
14 more elements
Dependencies are inferred from the claim text.