Page 29 - CITS - Welder - Trade Practical

WELDER - CITS

Fig 3 Fig 4

Release the cutting oxygen by pressing the cutting oxygen control lever and start the cutting action and move
the blowpipe along the punched line with uniform speed. (Fig 6)

Ensure straight travel without any side-to-side movement.
The nozzle angle is 90° with the plate surface till the completion of cut.
Open the cutting oxygen valve fully. If possible, fix a straight edge or template to the plate and fix a support to the
cutting nozzle so as to ensure constant distance between the tip of the nozzle and the
plate surface and maintain a uniform straight cut. (Fig 7)

Fig 5 Fig 6

Fig 7

Inspect the cutting for
– uniform and smooth cut or drag line
– straightness, sharpness

– width of the cut (Kerf)

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CITS : C G & M - Welder - Exercise 04