Page 26 - CITS - Fitter Trade Practical - Volume -2

FITTER - CITS
Job sequence

• Check the raw material for its size.
• File metal to size as per drawing.
• Apply marking media on part A and B as per drawing.
• Mark the profile and punch witness marks.

Part A
• Hold part A in drilling machine table.
• Fix 8mm in drilling machine spindle and drill two relief holes as shown in Fig 1.

Fig 1

• Hold part A in bench vice, cut and remove the hatched portion of excess metal on one side and file the same
portion to size maintaining the accuracy of 0.02 mm Fig 2.

Fig 2

• Similarly, following the above job sequencies on the other side of the job, cut and remove the excess metal
and file to size Fig 3.
• File radius 7mm as per drawing and check with radius gauge. Fig 4

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CITS : C G & M - Fitter - Exercise 59