Reference Learning Outcome :- Make different components having straight & angular surface with close tolerance limit and check different fault. [Different components: – V’ block, plain cylindrical bar, cube; tolerance limit – ±0.01mm; different faults – cracks, blow-holes, chatters] (Mapped NOS: CSC/N0109)
Duration :- Professional Skill 160 Hrs; Professional Knowledge 45 Hrs (for above learning out come)
TRADE THEORY (Professional Knowledge ) :-
Bonding materials their kinds description and uses.
Grade and structure at grinding wheels.
Brief about ISO- 9000.
Importance of Quality.
TRADE PRACTICAL (Professional Skills With Indicative Hours) :- Job no. & Name of the Practical
101. Grind parallel block on surface grinding machine within close limits (±0.01mm.) (08 hrs)
102. Perform plane cylindrical grinding to close limit with accuracy of h7. (12 hrs).
WEEK. NO. 06
Reference Learning Outcome :- Make different components having straight & angular surface with close tolerance limit and check different fault. [Different components: – V’ block, plain cylindrical bar, cube; tolerance limit – ±0.01mm; different faults – cracks, blow-holes, chatters] (Mapped NOS: CSC/N0109)
Duration :- Professional Skill 160 Hrs; Professional Knowledge 45 Hrs (for above learning out come)
TRADE THEORY (Professional Knowledge ) :-
Wheel marking system selection of wheels.
Specification and types (shapes & size) of grinding wheels, diamond wheels and their uses.
TRADE PRACTICAL (Professional Skills With Indicative Hours) :- Job no. & Name of the Practical
103. Perform cylindrical bore grinding within accuracy ±0.01mm. (15 hrs)
104. Set and grind jobs on chucks and face plates. (08 hrs)
WEEK. NO. 07
Reference Learning Outcome :- Make different components having straight & angular surface with close tolerance limit and check different fault. [Different components: – V’ block, plain cylindrical bar, cube; tolerance limit – ±0.01mm; different faults – cracks, blow-holes, chatters] (Mapped NOS: CSC/N0109)
Duration :- Professional Skill 160 Hrs; Professional Knowledge 45 Hrs (for above learning out come)
TRADE THEORY (Professional Knowledge ) :-
Mounting of grinding wheels, grinding wheels, collets and mandrels, balancing of grinding wheels by different methods.
TRADE PRACTICAL (Professional Skills With Indicative Hours) :- Job no. & Name of the Practical
105. Balance grinding wheel (06 hrs)
106. Mount grinding wheel. (03 hrs)
107. Perform right angle grinding on surface grinding machine within accuracy ± 0.01mm. (16 hrs)
WEEK. NO. 08
Reference Learning Outcome :- Make different components having straight & angular surface with close tolerance limit and check different fault. [Different components: – V’ block, plain cylindrical bar, cube; tolerance limit – ±0.01mm; different faults – cracks, blow-holes, chatters] (Mapped NOS: CSC/N0109)
Duration :- Professional Skill 160 Hrs; Professional Knowledge 45 Hrs (for above learning out come)
TRADE THEORY (Professional Knowledge ) :-
Types of dresses-steel type, abrasive Diamond tool and rotary dresses abrasive bricks and sticks their description, use, care and maintenance.
TRADE PRACTICAL (Professional Skills With Indicative Hours) :- Job no. & Name of the Practical
108. Perform wheel dressing for rough and finishing grinding. (01 hrs)
109. Grind a cube to close limit. (Tolerance within ±0.01mm.) (24 hrs)
WEEK. NO. 09
Reference Learning Outcome :- Make different components having straight & angular surface with close tolerance limit and check different fault. [Different components: – V’ block, plain cylindrical bar, cube; tolerance limit – ±0.01mm; different faults – cracks, blow-holes, chatters] (Mapped NOS: CSC/N0109)
Duration :- Professional Skill 160 Hrs; Professional Knowledge 45 Hrs (for above learning out come)
TRADE THEORY (Professional Knowledge ) :-
Dressing and truing of grinding wheels advantage of balancing, inspections and care of grinding wheels. Wheel storage.
Heat generated in grinding dry and wet grinding, use of coolants their composition and selection, limit, fit and tolerances as per ISI: 919-1963.
Basic size and its deviation position of tolerance zone with respect to zero lines. Fits different types clearance, interference and transition
Interchangeable system Letter symbols for holes and shafts and fundamental deviation hole basis and shaft 9basis systems.
TRADE PRACTICAL (Professional Skills With Indicative Hours) :- Job no. & Name of the Practical
110. Perform shoulder grinding on cylinder-grinding machine to close limit h7. (08 hrs)
111. Perform slot grinding on surface grinding machines to close limits H7. (09 hrs)
112. Find different faults while grinding. viz., Cracks, blow holes, chatters. (08 hrs)