Manufacturing And Production Technology
Calculate the weld per minute, 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.

600 welds/min, 1500 mm/min
3000 welds/min, 75 mm/min
500 welds/min, 1250 mm/min
22 welds/min, 55 mm/min

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Manufacturing And Production Technology
A fixture is defined as a device which

Holds and locates a workpiece during an inspection or for a manufacturing operation
All of these
Holds and locates a workpiece and guides and controls one or more cutting tools
Is used to check the accuracy of workpiece

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