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US 12,691,561 B2Granted
Insert tool and method for producing an insert tool
AssigneeRobert Bosch GmbH
InventorPaolo Redondi
Life of this patent
Estimating the term…
Abstract
An insert tool, in particular a chisel or a drill, has a tool head, with a shaft region in which a main body is arranged. The main body has a first hardness, and with a coating which has a second hardness that is greater than the first hardness. The coating has chromium carbide or consists of chromium carbide. Advantageously, the durability of the insert tool can be prolonged as a result.
Claims20
An insert tool, comprising:
- a main body having a tool head and a shaft region, the main body having a first hardness;
- and
- a coating which has a second hardness that is greater than the first hardness,
- wherein the coating has chromium carbide or consists of chromium carbide,
- wherein the main body defines at least one groove, each of which is arranged in at least one of the shaft region and the tool head, and
- wherein each groove has a groove base, and the coating includes at least one coating element, each coating element of the at least one coating element being formed as a coating track that coats the groove base of a respective groove of the at least one groove and is arranged completely inside the respective groove.
3 more elements
A method for producing an insert tool, having a tool head, having a shaft region in which a main body is arranged, the main body having a first hardness, the method comprising:
- applying a coating which has a second hardness that is greater than the first hardness to a groove base of a groove that is arranged in at least one of the shaft region and the tool head via an LMD process, the coating comprising or consisting of chromium carbide.
An insert tool comprising:
- a main body having a tool head and a shaft region, the main body having a first hardness;
- and
- a coating which has a second hardness that is greater than the first hardness,
- wherein the coating has chromium carbide or consists of chromium carbide, and
- wherein the tool head includes a tip of the insert tool, and the coating is spaced apart axially from the tip such that the tip is not covered with the coating.
2 more elements
Dependencies are inferred from the claim text.