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MATERI IX

MATERI IX. KEWIRAUSAHAAN. PRODUKSI & OPERASIONAL. 5 ISSUES That arise when trying to produce a product or service. Capacity (How much can I produce?) Scheduling (How am I going to do it?) Inventory (How much the efficient inventory is there?) Standards

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MATERI IX

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  1. MATERI IX KEWIRAUSAHAAN PRODUKSI & OPERASIONAL

  2. 5 ISSUESThat arise when trying to produce a product or service Capacity (How much can I produce?) Scheduling (How am I going to do it?) Inventory (How much the efficient inventory is there?) Standards (Efficient production and quality output?) Control (Is the production process working?)

  3. The Six M’s of Capacity 1.Methods - Have you chosen the best method of accomplishing the operational task? - Are the machines placed in the most efficient factory floor configuration? 2. Materials - Are the materials you need available and of good quality? - Do you have capability to purchase efficiently, store, and distribute the material when needed by the production process? 3. Manpower - Do you have well-trained and productive workers and managers to accomplish your productions goals? - Are your worker sufficiently trained to operate any new technology that you may acquire?

  4. The Six M’s of Capacity (continued) 4. Machinery - Do you have the right tool for the job? - Do your machines meet your need; capability, speed, reliability, technology? 5. Money - Is the cash to fund production available as needed? - Is the investment in factories, equipment and inventories justified in light of the entire organization’s opportunities? - Does the project cash flow justify the investment? (a finance question) 6. Messages - Do you have a system for sharing accurate and timely information among all members of the production team – people and machine? - A machine needs to electronically share information about output and quality on assembly line with its operator, as well as with other machines.

  5. 3 Types ofProduction Methods • Continuous Process • Assembly Line • Job Shop

  6. scheduling • Critical Path Method (CPM)

  7. CPM Arrange each task or activity in sequential order and estimate the time needed to complete each one. Each time a task begins or is completed it is called an event. 2 A = 2 wks C = 3 wks 1 3 4 5 B = 4 wks 1 wk Slack time D = 1 wk E = 1 wk

  8. Inventory The Balancing Act. The optimal inventory level is a delicate balancing act. Inventory decisions are tough because different departments of the same company have different goals. InventoryVocabulary • Raw Materials(flour, sugar, egg, etc) • Work in Process(pastry in the oven, pastry on cooling trays, etc) • Finished Goods(cakes, cookies, and donuts ready for sale) Value added by labor & overhead while in progress Finished goods, labor & overhead Raw Materials Work in progress materials Finished goods materials

  9. Five Major Reasons for Holding Inventory • Pipeline (inventory on hand to minimize production delay and maximize efficiency) • Cycle (suppliers have minimum order that are greater than immediate need) • Safety (stocks held to avoid shortage because of uncertain production demands. Stockout cost money when production is halted) • Anticipatory (Inventory held in anticipation of known demand) • Speculative (items purchased to beat supplier price increases)

  10. Economic Order Quantity (EOQ) 2 costs associated with inventory • Carrying Costs (The costs associated with storage, insurance, and financing of inventory) • Ordering Costs (the cost of ordering that include all accounting and clerical labor and materials associated with placing and order) Total Cost (Item + Holding + Ordering Holding Cost Item Cost Ordering Cost EOQ

  11. R = Annual unit requirements O = Cost of placing and order C = Cost of carrying a unit of inventory per period (2 x R x O) EOQ = C Economic Order Quantity (EOQ) The Formula Sales history indicates that a level demand of 2,000 unit throughout the year. Each time order it cost $14 to process the order. A detail study of costs reveals that it cost $.50 to carry each unit in inventory for a year. The formula calculates the most economic inventory order as 335 unit. Since the demand 2,000 unit, this means that there will be about 6 orders per year (2000/355). 2 x 2000 x $14 EOQ = 50 = 335 units

  12. PENUTUP • Produksi dan operasional merupakan kegiatan lainnya dalam suatu entiti bisnis. • Dalam memproduksi sesuatu, selain dari efektifitas dan efisiensi proses produksi, diperlukan pula manajemen persediaan (baik persediaan bahan baku, bahan dalam proses maupun persediaan barang jadi).

  13. MATERI IX SEKIAN • Selain membaca buku, majalah, tabloit atau sumber referensi lainnya, dianjurakan untuk memperkaya referensi dengan mengunjungi situs-situs yang berhubungan, misalnya : • http://www.geocities.com/agus_lecturer/kompren/komprem_operasional.htm • http://www.britannica.com/eb/article-9106305/production-management • Note : gunakan kata kunci “manajemen produksi”, “production management” atau yang lain untuk browse di search engine PRODUKSI & OPERASIONAL

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