A gear manufacturer has departments running 3 shifts/day, 5 days a week except for the heat-treating furnace which must run 24 hours/day, 7 days a week;
Shifts for all departments, except the heat-treating furnace, are 8 hours with 1 hour of lunch/break time per day.
The heat-treating furnace produces 50 units/hour, operating 24 hours/day, 7 days/week, with no down time;
The gear machining process produces 85 units an hour, operating at 3 shifts/day, 5 days/week.
The final assembly line currently is a bottleneck and is capable of producing at a rate of 120 units per hour, and operates 1 shift/day, 5 days/week.
Demand is for 8000 end items per week, what actions should the company make that will allow the 8000 end items to be made?
答案解析
解析:
Gear machining currently produces 8925 units per week (5*3*7*85), therefore, it already produces enough for the 8000units/week;
Final assembly currently produces 4200 units per week (5*7*120), increasing the final assembly process to 2 shifts per day produces 8400 units per week, which can now handle the 8000 a week demand;
Once these changes are made, the 3 operations can make 8400, 8925 and 8400 respectively. The pace of production should be tuned to meet the 8000 a week demand;
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