Page 129 - CITS - Welder - Trade Practical
P. 129
WELDER - CITS
• Maintain keyhole throughout the welding and give side to side motion to the blow pipe to ensure good root
penetration and fusion of both the edges of the joint.
• Take care to properly fuse the crater of the previous sector welded with the starting of the new sector.
• Complete the weld in 4 sectors 1, 2, 3 and 4 along the curved joint using leftward technique. Fig 2
Note : Avoid excess penetration.
• Clean the weld and inspect the weldment for defects.
Fig 1 Fig 2
112
CITS : C G & M - Welder - Exercise 25