EMBEDDING JIT IN MRP - THE CASE OF JOB SHOPS

被引：17
作者：
HUQ, Z
HUQ, FZ
机构：
[1] University of Nebraska, Omaha
[2] University of Texas, Arlington
来源：
JOURNAL OF MANUFACTURING SYSTEMS | 1994年 / 13卷 / 03期
关键词：
MRP/JIT; PULL SYSTEM; SIMULATION; PROCESSING TIME VARIATIONS; LEVEL LOAD; MACHINE BREAKDOWN;
D O I：
10.1016/0278-6125(94)90001-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The philosophy and principles needed to institute JIT in any system, including a job shop, are described. A simulation model is developed using a benchmark job shop to study using a pull system in a job shop having variations in processing times, load levels, and machine breakdowns. It is inferred from simulation that JIT can be implemented if certain conditions are met. Processing time variations did not pose a serious impediment, but load levels and machine breakdowns were critical factors. With uneven loading, the resulting capacity bottlenecks make the pull system look like a push system. This can be avoided by processing a uniform mix of jobs to not violate workstation capacity limitations. If machine breakdowns are unavoidable, maintenance of buffer capacity is essential.
引用
收藏
页码：153 / 164
页数：12
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