Page 71 - CITS - Fitter Trade Pactical - Volume - 2

FITTER - CITS

EXERCISE 19: Exercise on filing flat surface to right angle

Objectives

At the end of this exercise, you will be able to
• file flat, parallel surfaces within an accuracy of 0.02mm
• check parallelism with an try square
• check right angle with try square.

Bill of Metal: Mild steel flat 75 x 75 x 10 mm

Job Sequence
Job Sequence

TASK 1: Chipping oil groove.
• Check the raw material size using steel rule.
• Remove the scaling by flat rough file.
• File side (A) with flat bastard file (Fig 1)

Note: The side A,B and C are mutually perpendicular to each other. (Fig 1)

Fig 1

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