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iJIT - production planning and control for individual production

: Spath, D.; Krause, T.

International Foundation for Production Research:
International Conference on Production Research, ICPR 20. CD-ROM : Science and technology to promote harmonized production ; 2. - 6. August 2009, Shanghai, China
Shanghai, 2009
4 S.
International Conference on Production Research (ICPR) <20, 2009, Shanghai>
Fraunhofer IAO ()

Companies doing individual production face special challenges: high number of variants with low production
quantities each combined with late modification by the customers. Therefore the production of materials and
intermediate products differs from standards in mass production. Classic MRP II (reducing setup time by
merging orders to batches) causes long storage time, high inventory costs and long lead times. Lean
production pull systems do not work for individual production because they base upon a stable repetitive
environment which is in conflict with individual production. Therefore in many cases a specialized Just-in-
Time (JIT) production is preferable. Currently there is no suitable tool to support JIT production in individual
production. This article describes the fundamental problem as well a solution approach.