Page 237 - CITS - Welder - Trade Practical

WELDER - CITS

EXERCISE 58(A) : Monitor square butt joint by flex cored

arc welding (on 12mm thick plate)

Objectives
At the end of this exercise you shall be able to
• prepare the plate and tack weld as per the drawing.
• set the tack welded joint in flat position.
• deposited the bead with appropriate amount of filler metal.
• clean and inspect for surface defects and penetration and bead appearance.

Job Sequence

- Prepare the sheets as per drawing using shearing and grinding.
- Use necessary safety precautions.

- Clean the edges of the sheet.
- Set the sheets as a square butt joint and tack weld at the end
- Fix the joint in on backing strip in flat position.
- Strike an arc and move the torch steadily.
- Use proper torch angles with slight weaving.

Note: Wear protective clothing.
• Tack-weld on both ends.

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