Mechanical Engineering :: Manufacturing and Production Technology
- Work speed of circular electrode of 220 mm diameter for carrying out seam welding at 4 welds per cm on 1.6 mm thick mild steel tube. Welding cycle consists of 3 cycles ‘on’ and 2 cycles ‘off’ Power supply is at 50 Hz. Calculate R.P.M. and energy requirement of the above circular electrodes assuming effective resistance between electrodes as 100 ohm.
- Internal gears can be made by
- What is the type of welding defect caused due to poor manipulation of weld rod or a dirty joint called?
- The broaching operation in which the work moves past the stationary tool is called
- The cutting speed for drilling __________ with high speed steel drills is 24 to 45 m/min.
- Trepanning is an operation of
- Lapping is an operation of
- The saw milling is an operation of
- The chamfering is an operation of
- The grooving is an operation of
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