27 Apr 2024

MACHINIST GRINDER 2nd year WEEK WISE NSQF SYLLABUS (SPILT UP)

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WEEK. NO. 05

  1. 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)
  2. 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

  1. 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)
  2. 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

  1. 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)
  2. 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  

  1. 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)
  2. 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  

  1. 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)
  2. 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)