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