Answer to Question #210016 in Mechanical Engineering for aman

Question #210016

a tool will cut for 6 hours before it needed sharpening it takes 20 minutes to change the tool if the tool can be sharpened 12 times before it is discarded determine the unit tool change time per cycle"


1
Expert's answer
2021-06-24T14:41:02-0400

6 hour 20 minutes to be sharpened once

380 minutes = sharpened once

(12) 380 minutes = sharpened twelve times

4560 minutes = sharpened 12 times

4560/60 = 76 hours


"\\therefore" The unit tool change time per cycle is 76 hours per cycle.


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