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14
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3. Schematic Diagram of Welding Machine
Direct Current Electrode Negative (DCEN): Suitable for acid electrode
welding.
Direct Current Electrode Positive (DCEP): Suitable for alkaline and
cellulose electrode welding (as shown in the figure above).
No.
Item
No.
Item
1
Welding machine
3
Earth clamp
2
Electrode holder
4
Work piece
Maintenance
Safe operation of the machine is dependent on regular maintenance and the
replacement of worn and defective parts where necessary.
3
4
2
1