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US 11,471,957 B2Granted
Method and apparatuses related to hole cutting
AssigneeSandvik Intellectual Property AB
InventorEleanor Merson
Life of this patent
Estimating the term…
Abstract
A method for hole cutting in a workpiece made of CFRP with a cutting tool including at least one cutting edge is provided. Further, a hole cutting assisting apparatus and an apparatus for hole cutting includes a cutting tool, a drive for rotating the cutting tool, and a heating element configured for heating at least a portion of the cutting edge of the cutting tool.
Claims14
An apparatus for hole cutting in a workpiece of CFRP, wherein the apparatus for hole cutting comprises:
- a cutting tool including at least one cutting edge;
- a drive arranged to rotate the cutting tool;
- and a heating element configured for heating at least a portion of the cutting edge of the cutting tool, wherein the at least one portion of the cutting edge is heated to a temperature of at least 80% of a glass temperature of the CFRP and wherein the at least one portion of the cutting edge is heated prior to the cutting tool being fed into the workpiece, such that a glass temperature of the CFRP is reached in the workpiece earlier than if the cutting edge would not have been heated prior to being fed into the workpiece.
Dependencies are inferred from the claim text.