00000ctm a22000003a 4500 UP-99796217610662694 Buklod 20220729103008.0 a grb 001 u| ta 220729s1999 xx r |||| u| | (iLib)UPD-00194808901 DENG eng LG 993 1999 E66 D456 De Leon, Ma. Cecilia A Study on the Production and Operations Management System of Tact Imaging and Supplies, Incorporated Ma. Cecilia De Leon, Frances Maita Malilong, Edmund Nieves. Diliman, Quezon City College of Engineering 1999 84 leaves IE 151 Feasibility study Access exclusively for UP IE students. Written permission required from the department head for NON-IE and NON-UP students or researchers Submitted in partial fulfillment of the course requirements in IE 151 : Production Systems A documentation of the production and operations management system of TACT Imaging and Supplies was conducted. TACT is an ISO 9002 certified company that produces computer printer ink ribbons for both local market and export. The problems observed during documentation were evaluated using Streamline Analysis, and further analyzed using Cause and Effect Diagrams. Three major problems of the company were noted: (1) improper procedure for job assignment, (2) forecast does not reflect actual demand, and, (3) stockouts or excess inventory. The company presently uses the 12-mopnth simple moving average to forecast demand. Historical and forecast demand data for 1998 reveal that the current method does not yield accurate results. Other techniques were evaluated, by obtaining forecasts for 1998, and comparing with the actual values. The simple exponential smoothing with a=0.8 gave the best results. In addition, the exponential smoothing method is relatively easy to compute and requires less historical data. TACT bases its order quantity on its demand forecasts, which was shown to be beyond acceptable limits. Forecasts that are less than actual demand cause the occurrence of stockouts while those that are less than actual demand lead to excess inventory. The inclusions of the safety stock, specified as a percentage of the demand forecast were evaluated. A time study of the processes in the production of computer printer cartridges was conducted. This would provide management with a benchmark for worker performance, and thus serve as a basis for job assignment. Standard times also allow for proper job scheduling, so the company could increase the capacity utilization rate of their production lines. Tact Imaging and Supplies, Incorporated. Ink industry. Production engineering. Production Systems IE 151. Malilong, Frances Maita. Nieves, Edmund. Thesis FI UP Paper UPD DENG LG 993 1999 E66 D456 Thesis