Detecting tool wear by thermal monitoring of workpiece

Details Detecting tool wear by thermal monitoring of workpiece Detecting tool wear by thermal monitoring of workpiece

1997-05-29

1999-05-18

Pitts, Andrea L.

Gear cutting, milling, or planing

Gear cutting

318571, 36447417, 408 6, 408 8, 409131, 409134, 409195, 451 7, B23F1/00

Patent

active

059044578

ABSTRACT:
A method of monitoring the condition of a tool in a machining operation for producing a plurality of toothed workpieces. The process comprises measuring the temperature of at least a portion of the plurality of workpieces each at essentially a same predetermined amount of time after machining. The temperature of each measured workpiece is compared to at least one workpiece reference temperature value indicative of a wear condition of the tool. If the measured temperature is less than or equal to the workpiece reference temperature value, machining of subsequent parts continues, or, if the measured temperature is greater than the workpiece reference temperature, the machining operation is stopped.

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