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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