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    1. The process flow diagram of the production system at Donner. Preparation Stage Imagine Transfer Fabrication 2. What size orders would you schedule on the CNC drill? On the CNC router? Time taken to process the orders depends on the selected drilling method either a) Manual drilling or CNC OR b) Using CNC Drill Assumption 1: Manual Drilling is not done on all the available Manual Drill Presses in parallel. Calculating time taken for Manual drilling and CNC Drilling: = Setup

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    Donner Case

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    Donner Company Case Overview Donner Company manufactures printed circuit boards for both large and small companies‚ specializing in experimental devices and for pilot production runs in the late 1980s. The circuit boards that it produces are made from thin sheets of narrow metal strips and insulating material. The process to produce each circuit board is very meticulous and involves many intricate steps. Their process‚ otherwise known as the “soldermask over bare copper” (SMOBC) process includes

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    flow of the production system at Donner? Draw a process flow diagram. Question 2: What orders would you schedule on the CNC drill? On CNC router? Operation Setup Time (min) Run Time/board Manual Drill 15 0.08*500 = 40 CNC Drill 240 0.004*500 = 2 Punch Press 50 1 CNC Router 150 0.5 a) CNC Drill vs Manual Drill Let x be order size than – 15 + 40x = 240 + 2x; x = 5.92; From this equation we get x approximately equal to 6. So Donner Company should use the CNC Drill

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    Donner Case

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    Order Size for drilling: * The Manual press needs 15 min for set up‚ in addition to 0.08 min for every hole. Knowing that the typical circuit board has 500 drilled holes‚ then run time will be 0.08*500 = 40 min / board. Therefore‚ time taken to drill N boards manually will be equal to : 15 + 40(N) * On the other hand the CNC drill needs 240 min for set up‚ in addition to 0.004 min for every hole. So run time will be 0.004*500 = 2 min / board. Then the time taken to drill N boards by CNC drill

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    Donner Company Case

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    Case: Donner Company EXECUTIVE SUMMARY The Donner Company is a manufacturer of printed circuit boards. They need to address several issues in their supply chain operations to improve their service level because net income in the month of September has drastically decreased. Before September‚ growth was steadily increasing every month. They found that the major problems include unpredictable bottlenecks in manufacturing‚ lower than expected productivity and lower than expected quality

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    Donner Compnay Case

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    Operational Management Case Study Report Donner Company (9- 689-030) 1. Sketch the normal process flow‚ i.e.‚ the operations common to most orders. The standard ordering process can be illustrated as follows. 1. Estimate the cost 1. Estimate the cost 3.Order 3.Order 4. Wrote the detail 4. Wrote the detail Bruce Altmyer Bruce Altmyer Edward Plummer Edward Plummer Customer Customer 2.Customer bid 2.Customer bid 7. Sent the blueprint 7. Sent the blueprint 5. Sent

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    Donner

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    Donner Company. Yan Anantakusumo Yudistiawan Septima Nurlailia Rizki Setyo P Company History  Donner Company‚ started in 1985‚ manufactures printed circuit boards‚ technically called as “soldermask overbare copper” boards  It faces a competition from around 750 manufacturers in United States.  The firm has developed new processes and application and holds patents for these. Process Order  Whenever an order was received‚ price was quoted based on estimations of labor

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    DONNER COMPANY CASE STUDY

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    DONNER COMPANY CASE STUDY SUPPLY CHAIN AND OPERATIONS MANAGEMENT - 2015 Pr. Sam AFLAKI Sophie LABBAN – MSIM 2015 INTRODUCTION The three-year old Donner Company has positioned itself within both the small volume‚ customized printed circuit boards market as well as the large volume printed circuit boards market. With 750 competitors in the US‚ and a market that is volatile‚ Donner’s engineering expertise to anticipate and resolve design problems enabled it to maintain its

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    Donner Party Case Study

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    Document Study: Donner Party 1. The Donner Party was made up of the Donner brothers‚ George and Jacob‚ along with their wives and children‚ all adding up to 8 people‚ they were the main members. The families set off with another friend‚ John Denton‚ six wagons and two teamsters‚ Noah James and Samuel Shoemaker. The Reeds were another key family and they consisted of James Reed‚ his wife Margaret and their three children. Also travelling with them were: Virginia Reed (Margaret’s daughter from a

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    Donner Company started its operations in 1985 and developed specialized capability in manufacturing circuit boards for experimental devices and for pilot production runs. The company uses “Solder mask over Bare Copper” (SMOBC) technology which is a popular technology for denser circuit patterns and more reliable final product. Automated processes as well as manual processes are used to perform medium-duty‚ short-cycle‚ repetitive tasks. They promise a delivery within three weeks for orders less than

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