Reference Learning Outcome :-Construct different types of gears, couplings and bearings with tolerance dimension and indicating surface finish symbol. (Mapped NOS: CSC/NO402)
Duration :- Professional Skill 120 Hrs.; Professional Knowledge 26 Hrs. (for above learning out come)
TRADE THEORY (Professional Knowledge ) :-
Limits, fit, tolerance.
Toleranced dimensioning, geometrical tolerance.
Indications of symbols for machining and surface finishes on drawing(grades and micron values)
Production of interchangeable parts, geometrical tolerance.
Familiarization with IS: 919, IS:2709.(06 hrs.)
TRADE PRACTICAL (Professional Skills With Indicative Hours) :- Job no. & Name of the Practical
73. Draw the diagram illustrating basic size deviations and tolerances. (03hrs)
74. Draw symbols for machining and surface finishes (grades and micron values) (03hrs)
75. Draw the system of indication of geometrical tolerances of form and position as per standard: Straightness, flatness, circularity, cylindricity, parallelism, perpendicularity, angularity, concentricity, coaxiality, symmetry, radial run-out,axial run-out. (10hrs)
76. Construct a machine part indicating geometrical tolerance. (08hrs)
WEEK. NO. 34
Reference Learning Outcome :-Construct different types of gears, couplings and bearings with tolerance dimension and indicating surface finish symbol. (Mapped NOS: CSC/NO402)
Duration :- Professional Skill 120 Hrs.; Professional Knowledge 26 Hrs. (for above learning out come)
TRADE THEORY (Professional Knowledge ) :-
Couplings, necessity of coupling, classification of couplings.
TRADE PRACTICAL (Professional Skills With Indicative Hours) :- Job no. & Name of the Practical
Construct the sectional view of:
77. Muff coupling, (06hrs)
78. Flanged coupling, (10hrs)
79. Friction grip coupling. (10hrs)
WEEK. NO. 35
Reference Learning Outcome :-Construct different types of gears, couplings and bearings with tolerance dimension and indicating surface finish symbol. (Mapped NOS: CSC/NO402)
Duration :- Professional Skill 120 Hrs.; Professional Knowledge 26 Hrs. (for above learning out come)
TRADE THEORY (Professional Knowledge ) :-
Uses and proportion of different types of couplings.
Materials used for couplings.
TRADE PRACTICAL (Professional Skills With Indicative Hours) :- Job no. & Name of the Practical
Reference Learning Outcome :-Construct different types of gears, couplings and bearings with tolerance dimension and indicating surface finish symbol. (Mapped NOS: CSC/NO402)
Duration :- Professional Skill 120 Hrs.; Professional Knowledge 26 Hrs. (for above learning out come)
TRADE THEORY (Professional Knowledge ) :-
Knowledge of bearing to reduce friction, types of bearing, frictional and anti-frictional bearings.
Material used for frictional bearings.
Properties of frictional bearing (sliding bearing) materials.
Parts of anti-frictional bearings (ball, roller, thrust ball, needle & taper roller).
Materials and proportion of parts.
Difference between frictional and anti-frictional bearings.
Advantages of anti-frictional bearings. (05hrs.)
TRADE PRACTICAL (Professional Skills With Indicative Hours) :- Job no. & Name of the Practical