Page 59 - CITS - Fitter Trade Practical - Volume -2

FITTER - CITS

• Centre drill the hole, till it reaches the formation of cone.
• Drill a 8 mm to a depth of 12 mm as shown in drawing using depth bar.
• Align the spindle centre to another hole location.
• Centre drill the hole slowly feed the centre drill till it reaches the formation of cone.

• Drill a 10 mm to full depth.
• Deburr and clean the job.
• Apply thin layer of oil and preserve it for evaluation.

Skill Sequence

Objectives

Objectives: At the end of this exercise you shall be able to
• angular drilling of through & blind holes.

Fig 1

Fig 2

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CITS : C G & M - Fitter - Exercise 63