Page 133 - CITS - Welder - Trade Practical

WELDER - CITS

MODULE 4 : Repair & Maintenance

EXERCISE 27: Square butt joint on stainless steel sheet

3mm thick in flat position (OAW)

Objectives

At the end of this exercise you shall be able to
• mark cutting lines on the plate (job) by keeping proper cutting allowance
• set the job for straight cutting
• clean the edges and inspect for defects.

Job Sequence

• Prepare the stainless-steel sheet as per dimensions.

• Clean the edges of the sheets.
• Select the nozzle No. 5 for 3.15 mm thickness.
• Select the stainless-steel flux and apply on both sides of the edges of the joint by using a 12mm paint brush
and apply on filler rod.
• Set and align the stainless-steel sheet as square butt joint.
• Set perfect neutral flame.
• Tack-weld at every 50mm length of the butt joint.

• Weld the joint using leftward technique.
• Clean the joint and inspect the weld for defects.

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CITS : C G & M - Welder - Exercise 27