Page 15 - Fitter- 1st Year TT - Kannada

19. Marking practice with dividers, odd leg Files- specifications, description,
calipers and steel rule (circles, ARCs, materials, grades, cuts, file
parallel lines). (4 hrs.) elements, uses. Types of files,
care and maintenance of files.

Measuring standards (English,
Metric Units), angular
measurements. (04 hrs.)

20. Marking off straight lines and ARCs Marking off and layout tools,
using scribing block and dividers. (4 dividers, scribing block, -
hrs.) description, classification, material,
care & maintenance.
21. Chipping flat surfaces along a
marked line. (9 hrs.) Try square, ordinary depth gauge,
protractor- description, uses and
22. Marking, filing, filing square and cares.
check using tri square. (9 hrs.)
Uses, care & maintenance of cold
chisels- materials, types, cutting
angles. (04 hrs.)

23. Marking according to simple Marking media, marking blue,
blueprints for locating, position of Prussian blue, red lead, chalk
holes, scribing lines on chalked and their special application,
surfaces with marking tools. (8 hrs.) description.
24. Finding centre of round bar with the Use, care and maintenance of
help of ‘V’ block and marking block. scribing block.
(2 hrs.)
Surface plate and auxiliary marking
25. Joining straight line to an ARC. (08 equipment, ‘V’ block, angle
hrs.) plates, parallel block, description,
types, uses, accuracy, care and
maintenance. (03 hrs.)

26. Chipping, Chamfering, Chip slots & Physical properties of engineering
oils grooves (Straight). (08 hrs.) metal: colour, weight, structure, and
27. Filing flat, square, and parallel to an conductivity, magnetic, fusibility,
accuracy of 0.5mm. (07 hrs.) specific gravity. Mechanical
properties: ductility, malleability
28. Chip curve along a line-mark out, hardness, brittleness, toughness,
keyways at various angles & cut tenacity, and elasticity. (04 hrs.)
keyways. (1 hrs.)
29. Sharpening of Chisel. (2 hrs.)
30. File thin metal to an accuracy of 0.5
mm. (3 hrs.)

31. Saw along a straight line, curved line, Power Saw, band saw, Circular saw
on different sections of metal. (12 machines used for metal cutting.
hrs.) (03 hrs.)
32. Straight saw on thick section, M.S.
angle and pipes. (8 hrs.)

33. File steps and finish with smooth file Micrometer- outside and inside -
to accuracy of ± 0.25 mm. (12 hrs.) principle, constructional features,

34. File and saw on M.S. Square and parts graduation, reading, use and
pipe. (10 hrs.) care. Micrometer depth gauge,
parts, graduation, reading, use and
35. File radius along a marked line care. Digital micrometer. (03 hrs.)
(Convex & concave) & match.
(12 hrs.) Vernier calipers, principle,

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