Page 230 - CITS - Fitter Trade Practical - Volume -2

FITTER - CITS

Keep a rag soaked in lubricating oil handy for intermittent cooling of the cutting edge of chisel.

• Chip the corners of the slot using diamond point chisel Fig 2.

Chipping oil groove
• Similarly, chip oil groove width 3 mm x depth 1.5 mm with round nose chisel and Ball pein hammer Fig 3.
• Check the width and depth of slot and oil groove with steel rule and depth gauge.

Chipping chamfer
• Chip the chamfered portion 5 x 45° using flat chisel and a Ball Pein hammer as shown in job drawing.
• De - burr all the faces and corners of the Job.

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CITS : C G & M - Fitter - Exercise 94