Donner Case Essay

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Donner Company : This case is about providing operational strategy for Donner Company which manufactures printed circuit boards according to the specifications desired by the customers. Circuit board printing is a highly complex process consisting of several stages from Preparation to Fabrication. This process is characterized by high degree of uncertainty in creating uniformity in operations because of the varying order sizes and specifications demanded by the customers. Though this company’s products are technically good, they still had to face the problem of poor performance regarding operational efficiency. In this article, we tried identifying the various problems associated with this by looking at various production times. We also have provided some of the recommendations for the company to overcome these operational problems. Tabulation of the result and calculations Formulation | Standard Production times (min) | Total run time=Std. run time* CEILING(No. of boards/8) | Total Time=Total run time + Setup time | | Stage | Operation | Setup time | Run time | 1 board | 8 boards | 200 boards | 1 board | 8 boards | 200 boards | September's Production | | | | | | | | | | | Orders | Boards | Preparation | Artwork Generation | 29 | 0 | | | | 29 | 29 | 29 | 50 | 799 | | Inspect and Shear | 20 | 0.5 | 0.5 | 0.5 | 12.5 | 20.5 | 20.5 | 32.5 | 60 | 5761 | | Punch tooling holes | 10 | 0.5 | 0.5 | 0.5 | 12.5 | 10.5 | 10.5 | 22.5 | 60 | 5761 | Drill | Manual drill | 15 | 0.08 | 40 | 320 | 0 | 55 | 335 | 0 | 51 | 936 | | CNC drill @ | 240 | 0.004 | 0 | 0 | 400 | 0 | 0 | 640 | 9 | 4825 | | Metallization | 10 | 0.75 | 0.75 | 0.75 | 18.75 | 10.75 | 10.75 | 28.75 | 60 | 5761 | DFPR | Panel Prep | 5 | 0.2 | 0.2 | 0.2 | 5 | 5.2 | 5.2 | 10 | 60 | 5761 | | Laminate & Expose | 20 | 2 | 2 | 2 | 50 | 22 | 22 | 70 | 60 | 5761 | |

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