Method of managing manufacturing process

Details Method of managing manufacturing process Method of managing manufacturing process

2006-02-14

2006-02-14

Picard, Leo (Department: 2125)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Product assembly or manufacturing

C700S096000

Reexamination Certificate

active

06999831

ABSTRACT:
A priority number of each combination of a manufacturing device and a step are first calculated by the equation=processing time×number of processible steps×number of usable devices. From the combination having the smallest priority number (i.e. highest priority), a lot will be allotted to the device for the step. The priority number is updated every after allotment of one lot by the equation=processing time×number of processible steps×number of usable devices×{(device load×10)k+1}. By repeating this procedure, all the lots scheduled to be processed are allotted to the corresponding devices. In addition, in the actual manufacturing process, whenever there is a lot that has to be processed, execution of processing such a lot is directed by successively selecting a device having the lowest accomplishment rate.

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