Lean Enterprise Institute. After a workshop on how to apply lean management principles to operations in. Machine Shop Scheduling for High Mix Low Volume. The paper deals with the production scheduling optimization in High-Mix Low-Volume (HMLV) flow shop manufacturing system. Three new heuristic production.
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Anderson is the only consultant or author who has written leading-edge books and conducted many customized classes on both these subjects. Here is how to do that for two categories of manufacturing processes.
For flexible processes, like machining and any computer-controlled process, which are capable of programmably building a wide variety products on-demand providing the following criteria are satisfied: For quick loading, standard raw material would be loaded or fed into the machine tool as: See illustration of a two-bin kanban system at: Several flexible high mix low volume could be permanently mounted on a machine tool bed.
For multiple sub-groups in the family, there could be a unique pair of fixtures for each sub-group.
High mix low volume inflexible processes, like castings, forgings, stampings, molded parts, and bare printed circuit boards, consolidate many shapes into only a few versatile versions, to greatly reduce tooling costs and setup charges.
Raw materials would be standardized on one grade, usually the best grade the best strength, the best finish, the best purity etc. For existing products, it should be possible global high mix low volume to a "better than" substitution for each material that has too many versions.
Design new product families around aggressively standardized parts and materials so that they can be always available or spontaneously pulled into production with the following techniques: Just match the tonnage in to the tollage out. Kanban, which can high mix low volume resupply parts that can be built in small batches.
See kanban article that shows an illustration of a 2-bin kanban system at http: However, a production system that is flexible, agile, reconfigurable and adaptable to high mix low volume and operational conditions cannot be based on the Toyota Production System.
What You Will Learn: How to adapt lean for the hundreds of high-mix low-volume manufacturing facilities such as forge shops, machine shops, fabrication shops, molding shops, etc. How to either adopt or adapt or completely replace high mix low volume lean tools with appropriate tools suited for high-mix low-volume components production facilities How facility layout and finite capacity scheduling are at the core of an approach for comprehensive implementation of JobshopLean Content: Quick-start and comprehensive high mix low volume to implementing JobshopLean What is group technology part family formation?
What is production flow analysis? Product-process matrix analysis for cell formation Machine requirements planning with rough-cut workload analysis U-shaped cell layout design to foster teamwork and visual pull scheduling Transfer batches vs.