Page 218 - CITS - Welder - Trade Practical

WELDER - CITS

EXERCISE 54(A) : Demonstrate fabrication of lap joint on

M.S. plate (sheet 6 mm. thick plate) in

vertical downward progression by

GMAW

Objectives

At the end of this exercise you shall be able to
• prepare the plates and tack weld them as lap joint.
• set the tack welded joint in the weld positioner in vertical position.
• set the root run and 2ndrun by weaving bead slightly.
• ensure proper cleaning of the plate surfaces and inter bead cleans.
• clean and inspect for surface defects on the weld and bead appearance.

201

CITS : C G & M - Welder - Exercise 53