Method and apparatus for optimal feedrate control on wire-cuttin

Details Method and apparatus for optimal feedrate control on wire-cuttin Method and apparatus for optimal feedrate control on wire-cuttin

1995-09-01

1997-11-18

Voeltz, Emanuel T.

Boots, shoes, and leggings

318571, 219 6912, B23H 100, B23H 730

Patent

active

056894279

ABSTRACT:
Disclosed is a feedrate controlling method and apparatus for controlling a wire-cutting electric discharging machine (WEDM) to operate at optimal feedrate. In the apparatus, a discharge frequency counter is used to count the frequency of normal discharge and the frequency of abnormal discharge, from which two performance indexes: stability percent (STB) and efficiency percent (EFF) are obtained. These two performance indexes allow the apparatus to use a decision table to obtain an optimal feedrate variation used to change the current feedrate so as to operate the WEDM with maximum stability and efficiency.

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patent: 5428201 (1995-06-01), Kaneko et al.
patent: 5545870 (1996-08-01), Fujii et al.
patent: 5598075 (1997-01-01), Liang et al.

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