Page 17 - Fitter - 1st Year - TP - Malayalam
P. 17

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 and
                                                holes, scribing lines on chalked  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. (2  scribing block.
                                                hrs.)
                                                                                  Surface plate and auxiliary marking
                                             25.Joining straight line to an ARC. (08  equipment, 'V' block, angle plates,
                                                hrs.)                             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,
                                             27.Filing flat, square, and parallel to an  and conductivity, magnetic,
                                                accuracy of 0.5mm. (07 hrs.)       fusibility, specific gravity.
                                                                                   Mechanical properties: ductility,
                                             28.Chip curve along a line-mark out,  malleability hardness, brittleness,
                                                keyways at various angles & cut    toughness, tenacity, and elasticity.
                                                keyways. (1 hrs.)                  (04 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 hrs.)  machines used for metal cutting. (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,
                                                                                   parts graduation, reading, use and
                                             34.File and saw on M.S. Square and    care. Micrometer depth gauge,
                                                pipe. (10 hrs.)
                                                                                   parts, graduation, reading, use and
                                             35.File radius along a marked line    care. Digital micrometer. (03 hrs.)
                                                (Convex & concave) & match.   (12
                                                hrs.)


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