Machine dedication and process flexibility in a group technology environment

Article Abstract:

Analysis of a job-shop's manufacturing processes within a Cellular Manufacturing milieu and applying the Group Technology philosophy results in mixed findings that emphasize the complexity of deciding on the scheduling process. Through simulation methods, the compromises that could be effected between routing flexibility and setup efficiency are explored. Recommended is a shop layout that is a mix between a functional layout and a pure cell layout.

Methods, Usage, Evaluation, Manufacturing processes, Manufacturing, Simulation methods, Simulation, Group technology

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Order review/release in the absence of adherence to formal scheduling policies

Article Abstract:

A study was conducted to analyze the ability of two Order Review/Release methods to offset dysfunctional behavior by shop floor workers who seek to optimize their own individual productivity. The phenomenon of cherry picking was simulated to examine dysfunctional behavior. Results indicated that one of the order Review/Release methods effectively minimized differences in resulting labor productivity and enhanced shop performance.

Machine Job Shops, Machine Shops, Management Dynamics NEC, Industrial machinery, not elsewhere classified, Analysis, Management, Management techniques

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Evaluation of scheduling rules with commensurate customer priorities in job shops

Article Abstract:

Job shop scheduling rules and heuristics should include customer priority and the associated tardiness penalties. The shape and dispersion of the weighting scheme used in estimating the tardiness penalties affect the shop performance. The Average Tardiness Cost, for example, performs well on the mean flow time measure in schedules with loose due dates.

Research, Production management

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