Process controller for balancing usage of tool sets

Details Process controller for balancing usage of tool sets Process controller for balancing usage of tool sets

1997-11-04

2000-02-01

Grant, William

Data processing: generic control systems or specific application

Specific application, apparatus or process

Product assembly or manufacturing

702 34, G06F 1900

Patent

active

060213604

ABSTRACT:
A system monitors usage of a tool in a tool set and warns an operator and/or prevents usage of a tool chosen by an operator, subject to possible override by the operator, if permitted, in order to balance usage among tools of the tool set and verify operational conditions of tools of the tool set through usage. The system and method are entirely transparent to the operator and the operator is permitted full flexibility of tool choice unless tool usage becomes unbalanced. The system and method preferably limits usage based on length of consecutive usage and percentage of product processed by each tool. Use of new, modified or repaired tools is also prevented until the tool is certified for a particular process and defined to the system.

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