jit-28p(編輯修改稿)
2025-03-30 21:43 本頁面
【文章內(nèi)容簡介】 ity, orderpoint system Valid schedule ? The schedule sets the flow of materials ing into the factory and the flow of work through manufacturing. To maintain an even flow, the schedule must be level. In other words, the same amount should be produced each day. Mixedmodel scheduling ? Means that some of everything is made each day in the proportions to meet demand. If demand shifts between models, the assembly line can respond daily. Week On Hand 1 2 3 Economy 0 1500 Standard 600 1500 300 Deluxe 800 1200 Total 1400 1500 1500 1500 Week On Hand 1 2 3 Economy 250 500 500 500 Standard 300 600 600 600 Deluxe 200 400 400 400 Total 750 1500 1500 1500 Master Production Schedule Leveled Master Production Schedule Linearity ? is achieving the plan – no more, no less ? and is usually reached by scheduling to less than full capacity. Supplier Partnerships. ? Trust ? Long term mitment ? Shared vision Total Employee Involvement ? A successful JIT environment can be achieved only with the cooperation and involvement of everyone in the anization ? Operators must take responsibility for improving processes, controlling equipment, correcting deviations, and being vehicles for continuous improvement. ? Employees must be flexible in the tasks they do. In a JIT environment, more emphasis is placed on the leadership role. ? Managers and supervisors must bee coaches and trainers, develop the capability of employees, and provide coordination and leadership for improvements. Effects of MPC in JIT Environment ? Forecasting is shortened leadtime. ? PP – Supplier relationships , improved material flow. ? MPS – see slide 14 – Shorter leadtimes reduce time fences, greater customer service and closer to make to order environment. ? MRP – reduction to daily time buckets – No inventory , no ting and sometimes no offsetting – BOM’S are flattened or simplified ? Capacity – leveled ? Inventory management – increase transactions , backflushing / post deduct. The Pull System ? MRP is a push system, meaning that the material needs
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