The manufacturing of a clock is comprised of six steps. Each step is staffed by
ID: 384872 • Letter: T
Question
The manufacturing of a clock is comprised of six steps. Each step is staffed by one worker. The table shows the tasks performed by each worker and the corresponding processing time Step Tasks Processing Time seconds) 1. Heat-stake lens to bezel Preparatlon 26 2. Inspect bezel 3. Clean switch holes 4. Install set switch In bezel 18 Total time for A 5. Check switch travel 6. Clean Inside bezel 7. Install module In bezel Total time for B 23 12 25 60 Preparation 2 20 8. Install battery clip on module 9. Heat-stake battery clip on module20 Battery Installation 10. Install two batterles In module 11. Check switch Total time for C 45 12. Install band 13. Inspect band Total time for D Band Installation 58 14. Cosmetic Inspection 15. Final test Packaging Preparation 61 65 Total time for E 16. Place watch and cuff In display box 20 17. Place cover In display box base 18. Place owner's manual and box Into 30 Watch packaging 14 tub 64 Total time for F An external supplier suggests shipping the battery module with preinstalled batteries, thereby eliminating the need for step 10. How would that impact process capacity?Explanation / Answer
Th Step 10 is "Install two batteries in the module" which if gets eliminated, the revised processing time of Step C will be = 70 - 22 = 48 seconds
Upon achieving above, the processing time of each step as follows :
Step A = 68 seconds
Step B = 60 seconds
Step C = 48 seconds
Step D = 58 seconds
Step E = 65 seconds
Step F = 64 seconds
The Bottleneck step ( with maximum processing time ) will thus will be Step A which will decide capacity of the process
Thus , it can be concluded that the process can manufacture 1 clock every 68 seconds
Hence, process capacity (i.e, clock per hour ) = 3600 seconds/ 68 seconds = 52.94
PROCESS CAPACITY IS 52.94 CLOCKS PER HOUR
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