Tombro Industries is in the process of automating one of its plants and developi
ID: 2410459 • Letter: T
Question
Tombro Industries is in the process of automating one of its plants and developing a flexible manufacturing system. The company is finding it necessary to make many changes in operating procedures. Progress has been slow, particularly in trying to develop new performance measures for the factory. In an effort to evaluate performance and determine where improvements can be made, management has gathered the following data relating to activities over the last four months Month Quality control measures Number of defects Number of warranty claims Number of customer complaints 191 52 108 169 45 102 130 36 85 91 64 5 days Material control measures 10 days 9 days 7 days Purchase order lead time Scrap as a percent of total cost 6% 2% 5% 10 2% 6% 12 3% 6% 13 Machine performance measures: 10% 85% Machine downtime as a percentage of availability Use as a percentage of availability Setup time (hours) 95% 92% 89% ivery performance measures Throughput time Manufacturing cycle efficiency (MCE) elivery cycle time Percentage of on-time deliveries 98% 95% 92% 89%Explanation / Answer
1-a.
1-b.
1-c.
3-a.
3-b.
Working:
Month Throughput time Month 1 7 days Month 2 8.1 days Month 3 9 days Month 4 10 days