Рет қаралды 56
Welder Welding Techniques
Related Theory for Exercise 1.2.19
A.C welding power sources transformer rectifier and inverter type welding machine and care maintenance
Objectives: At the end of this lesson you shall be able to identify the features of welding transformer, rectifier & inverter describe the principle of the above welding machines explain the advantages and disadvantages of the above machine Identify care and maintenance of welding machines