Process Interruptions Batching Setup Time Capacity Given Batch-size: C&A Furnitu

Question

Process Interruptions Batching Setup Time Capacity Given Batch-size: C&A Furniture uses a four-step process to make its famous wood table Processing Time minutes Process Milling-table 10 Milling-table stand Assembly Finishing 15 20 There is one milling machine used to mill both table top and table stand; one table top and one stand is needed to make each table The milling machine requires a setup time of 30 minutes to make table tops and a changeover time of 30 minutes to make table stands You may assume that, after a setup, the milling machine works on one batch of table tops, and after the changeover time, it works on one batch of table stands; this production cycle then is repeated. If the batch size is 10, what is the capacity of the process intables per minute? Notes: Pick the answer that is correct subject to minor rounding. Process capacity is the minimum of milling, assembly, and finishing capacity; milling, assembly, and finishing each have one machine resource B. 0.050 C. 0.067 o D. 0.077 OE. None of the above is correct, even after minor rounding to 3 digits after the decimal point.

Explanation / Answer

Let us club the time of milling of Table top and bottom as both require same machine.

Number of changeovers will be 2

Total changeover time = 2*30 = 60 min

Processing time of table top = 10 min

Total time for batch of 10 is 10*10 = 100 min

Processing time of table bottom = 5 min

Total time for batch of 10 is 10*5 = 50 min

Hence, Milling will take time of 60+100+50 = 210 min for batch size 10

Assembly time = 10*15 = 150 min

Finishing = 10*20 = 200 min

So, bottleneck is Milling

210 minutes for 10 tables

Tables per minute = 10/210 = 0.048

Ans A

Related Questions

Navigate

• Browse (All)
• Browse P
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.