12.Practical information of welding machines

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Arc welding machine 

Uses:-Welding
Cost:-7000
Materials to weld:-Metals (By changing its welding rod )
Energy used:-Electricity
Parts in the machine:-Welding holder
                                  Earthing wire
                                  Earthing holder
                                  Main wire
                                 Body of welding machine
                                 Handle of welding machine
Co2 Welding machine 

Use:-Gas Welding

Cost:-30000

Materials:-Metals (By changing its wire)


Energy:-Electricity


Spot welding machine:-

    1. In spot welding machine are use to joint tin sheet .

    2. This machine is operated to single phase current  in this machine  are two copper rod to press to haeat and joint tin sheet.

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