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Published byLouise Willis Modified over 9 years ago
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13 Just-In-Time Production Management philosophy Pull system though the plant WHAT IT IS Employee participation Industrial engineering/basics Continuing improvement Total quality control Small lot sizes WHAT IT REQUIRES Attacks waste Exposes problems and bottlenecks Achieves streamlined production WHAT IT DOES Stable environment WHAT IT ASSUMES
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11 Minimizing Waste: JIT Production Produce......what is needed......when it’s needed......NOTHING MORE!
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6 Waste--Operations (1) Waste from overproduction (2) Waste of waiting time (3) Transportation waste (4) Inventory waste (5) Processing waste (6) Waste of motion (7) Waste from product defects
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15 Minimizing Waste: Kanban Production Control Systems A B Machine CenterAssembly Line Storage Production Kanban Withdrawal Kanban
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27 JIT Requirements: Work with Vendors u Reduce lead times u Frequent deliveries u Project usage requirements u Quality expectations
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28 JIT Requirements: Reduce Inventory More u Stores u Transit u Carousels u Conveyors
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29 JIT Requirements: Improve Product Design u Standard product configuration u Standardize and reduce number of parts u Process design with product design u Quality expectations
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9 Partnership Relationship u Continuing relationship involving – a commitment over an extended time period, – an exchange of information, and – an acknowledgement of the risks & rewards of the relationship.
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11 JIT Purchasing--Requirements u Reduced lot sizes u Frequent and reliable delivery schedules u Reduced and highly reliable lead times u Consistently high quality levels for purchased materials
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12 JIT Purchasing--Suppliers u Fewer, nearby suppliers u Repeat business u Support suppliers’ competitiveness u Clusters of remote suppliers u Limit competitive bidding to new parts u Resist vertical integration u Encourage suppliers to implement JIT purchasing
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13 JIT Purchasing--Quantities u Steady output rate (a desirable prerequisite) u Frequent deliveries in small lot quantities u Long-term contract agreements with minimal release paperwork u Deliver quantities variable from release to release but fixed for whole contract term
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14 JIT Purchasing--Quantities (Ctd) u Little or no permissible overage or underage of receipts u Suppliers encouraged to package in exact quantities u Suppliers encouraged to reduce their production lot sizes (or store unreleased material)
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15 JIT Purchasing--Quality u Minimal product specifications imposed on supplier u Help suppliers to meet quality requirements u Close relationships between buyers' and suppliers' quality assurance people u Suppliers encouraged to use process control charts instead of lot sampling inspection
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16 JIT Purchasing--Shipping u Scheduling of inbound freight u Gain control by use of – company-owned or contract shipping – contract warehousing – trailers for freight consolidation/storage
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17 JIT Purchasing--Benefits u Consistent quality u Savings on resources u Lower costs u Special attention u Saving on tooling u Loyalty associated with long-term relationships with suppliers
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