Direction: A batch of 500 jobs of diameter 50 mm and length 100 mm is to be turned at 200 rev/min and feed 0.2 mm/rev.
-
The number of tool changes required to machine the whole batch is
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- 138
- 270
- 62
- 61
Correct Option: B
| Time/ piece = | = | = 2.5 min | ||
| fN | 0.2 × 200 |
| No of Tool Changes = | ||
| Tool life |
| = | = 269.6 = 270 | |
| 2.5 |
