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A workpiece of 2000 mm length and 300 mm width was machined by a planning operation with the feed set at 0.3 mm/stroke. If the machine tool executes 10 double strokes/min, the planning time for a single pass will be
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- 50 min
- 100 min
- 200 min
- 220 min
Correct Option: B
l = 2000 mm
w = 300 mm
f = 0.3 mm/ stroke
No. of stroke = 2 × 10
= 20 stroke/ min {double stroke}
| Total Machining time = | = 100 min | |
| 20 |
