Page 102 - CITS - Welder - Trade Practical
P. 102
WELDER - CITS
EXERCISE 18 : Square butt joint on MS sheet 2mm thick
in vertical position (OAW)
Objectives
At the end of this exercise you shall be able to
• prepare and assemble the joint as square butt joint
• set the job in the vertical position with a root gap of 2mm
• select and fix proper size nozzle to the blow pipe
• select proper filler rod and set the gas pressures
• manipulate the blowpipe and filler rod and weld in vertical position by upward method
• ensure proper fusion and root penetration
• clean the job and inspect for weld defects.
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