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.

A) 3000 welds/min, 75 mm/min B) 600 welds/min, 1500 mm/min C) 500 welds/min, 1250 mm/min D) 22 welds/min, 55 mm/min

Answer & Solution

Correct Answer: Option B

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Sarveshwer Chandra 6 years ago

Weld per min = (frequency × 60)/ (cycles for weld + interval cycles)
= (50 × 60)/ (3 + 2) = 600 welds/ min.
Work speed (mm / min) = (welds/ min) / weld required per mm
= 600 / (4/10) = 1500 mm/min.

Ramaraj Vijayasurya 7 years ago

can you solve this calculation?

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Calculate the weld per minute work speed of circular electrode of...

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.

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