Question: Part X requires machining on a CNC lathe - operations A and B are required. Find the number of machines required to produce 6,000 parts

Part X requires machining on a CNC lathe -

Part X requires machining on a CNC lathe - operations A and B are required. Find the number of machines required to produce 6,000 parts per week. Assume that the company will be operating 6 days per week, 18 hours per day. The following information is known: Operation Standard Time Efficiency Reliability Scrap 4.5 min 6.5 min 95% 90% 92% 95% 4.5% 5.0% The CNC lathe requires tool changes and preventive maintenance after every lot of 1,200 parts. The changes require 50 min. b. Use a multiple activity chart to illustrate how one operator can tend three machines (Machines A, B, and C) during a repeating cycle, based on the following data: aa = 5.5 min. ag = 3.5 min. ac = 4.0 min. ba = 3.5 min. bB = 2.2 min. bc = 2.5 min. ta = 12.5 min. tb = 8.0 min. tc = 9.0 min. What is the length of the repeating cycle? Draw the multiple activity chart. Determine the operator idle time and the idle time of machines A, B, and C. Part X requires machining on a CNC lathe - operations A and B are required. Find the number of machines required to produce 6,000 parts per week. Assume that the company will be operating 6 days per week, 18 hours per day. The following information is known: Operation Standard Time Efficiency Reliability Scrap 4.5 min 6.5 min 95% 90% 92% 95% 4.5% 5.0% The CNC lathe requires tool changes and preventive maintenance after every lot of 1,200 parts. The changes require 50 min. b. Use a multiple activity chart to illustrate how one operator can tend three machines (Machines A, B, and C) during a repeating cycle, based on the following data: aa = 5.5 min. ag = 3.5 min. ac = 4.0 min. ba = 3.5 min. bB = 2.2 min. bc = 2.5 min. ta = 12.5 min. tb = 8.0 min. tc = 9.0 min. What is the length of the repeating cycle? Draw the multiple activity chart. Determine the operator idle time and the idle time of machines A, B, and C

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