Patent · US Expired

Method and arrangement for determining tool wear

US4413507A · kind A · utility

17Cited by

6References

7Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Jeffrey Drew · Branford, US
Max Seitz
Hans-Peter Kehrer · Pforzheim, DE
Gottfried Eichelbroenner · Berlin, DE

Key dates

Filing date	Aug 7, 1981
Grant date	Nov 8, 1983
Priority date	—
Expiry date	Aug 7, 2001

Classification

Technology area (CPC G)Physics
CPC primaryG01N29/14
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

In a method and apparatus for monitoring tool wear, noise emission signals associated with a cutting operation of the tool are monitored and evaluated to determine when the tool has become blunt. With the system disclosed, friction noises associated with the cutting tool are excluded from analysis.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.