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Instructional Media Packages (IMPs) developed-English
Fitter, Turner, Machinist, Electrician, Mechanic Motor Vehicle, Welder, Mechanic Diesel, Tool & Die Maker, Electronic Mechanic, Mechanic Radio & TV, Wireman , IT & ESM, Cutting & Sewing, Sheet Metal Worker, Mech. Tractor, Mech.Refrigeration and AC, Draughtsman Mech., COPA, Others

Instructional Media Packages (IMPs) developed
Hindi

Mechanic Motor vehicle, Mechanic Diesel, Fitter,Turner, Machinist, Welder, Cutting & Sewing, Wireman, Electrician, Mechanic Tractor
Tamil
Mech. Diesel, MMV, Welder, Fitter, Machinist, Electrician, Turner, Mech-Refrigeration & Air Conditioning
Telugu
Fitter, MMV

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Extract from Practical Book for Exercise 17 -Pages 73-77

Fitter 1st Year

Objectives for Exercise 17


Skill

At the end of this exercise you shall be able to

• rough and finish file work within an accuracy of ± 0.06 mm (R)

• file angular surface within an accuracy of ± 15 minutes (R)

• mark and locate centre for drilling holes using vernier height gauge (R)

• centre drill holes (R)

• drill and ream holes for dowelling

 

• check the parallelism and flatness of surfaces with a dial test indicator

• measure the depth of the slot with a depth micrometer

• drill large diameter holes using pilot drills

• drill and tap blind holes (R)

• cut internal thread in through holes using the taps. (R)


Knowledge

At the end of this exercise you shall be able to

• state the constructional details of a depth micrometer

• state the uses of a depth micrometer

• read depth micrometer measurements

• name the parts of a dial test indicator

 

• identify the types of dial test indicators

• distinguish between the plunger and lever type of dial test indicators

• identify the types of dial indicator stands.


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