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

WEEK. NO. 21

1. Reference Learning Outcome :-Produce different components involving cylindrical angular grinding operation to close limit accuracy. [Different components- lathe centre, milling machine arbor; accuracy:- h6 or H6] (Mapped NOS: CSC/N0109)
2. Duration :- Professional Skill 85 Hrs.; Professional Knowledge 20 Hrs.(for above learning out come)

TRADE THEORY (Professional Knowledge ) :- 

• • Surface grinding methods of surface grinding by using periphery of grinding wheel and ring edge of grinding wheel.
  • Types of surface grinding machines.
  • Work finish, wheel selection holding of work.

TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical

• 122. Perform step grinding on surface grinding machine to close limit h6 or H6. (22hrs)

WEEK. NO. 22

1. Reference Learning Outcome :-Produce different components involving cylindrical angular grinding operation to close limit accuracy. [Different components- lathe centre, milling machine arbor; accuracy:- h6 or H6] (Mapped NOS: CSC/N0109)
2. Duration :- Professional Skill 85 Hrs.; Professional Knowledge 20 Hrs.(for above learning out come)

TRADE THEORY (Professional Knowledge ) :- 

• • Process of grinding angular surfaces.
  • Grinding slots and grooves.
  • Grinding “V” blocks.
  • Recommended wheel speeds for surface grinding machines.

TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical

• 123. Perform V-block grinding within accuracy ±0.01 mm, ± 5 minutes, surface finish N5. (23hrs)

WEEK. NO. 23

1. Reference Learning Outcome :-Prepare surface of a component by honing operation & Check accuracy. [Accuracy limit: ±0.001mm] (NOS: CSC/N9409)
2. Duration :- Professional Skill 18 Hrs.; Professional Knowledge 06 Hrs.(for above learning out come)

TRADE THEORY (Professional Knowledge ) :- 

• • Hones and Honing, types of honing stones there description and use.
  • Amount and rate of stock removal.
  • Adjustment for elementary honing conditions, honing tolerances.

TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical

• 124. Grind cylindrical stepsand perform honing (18hrs)

WEEK. NO. 24

1. Reference Learning Outcome :- Produce components by different taper grinding operation and check accuracy. [Different taper grinding: – compound or double taper, steep taper, morse taper; accuracy limit – ±0.008mm.] (Mapped NOS: CSC/N0109)
2. Duration :- Professional Skill 135 Hrs.; Professional Knowledge 30 Hrs. (for above learning out come)

TRADE THEORY (Professional Knowledge ) :- 

• • Cylindrical-types of cylindrical grinding operation traverse method, plunge cut method and form grinding method.
  • Alignment of head stock and tail stock.

TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical

• 125. Finish surface of Angular form grinding within accuracy of ±0.01mm. (20hrs)

WEEK. NO. 25

1. Reference Learning Outcome :- Produce components by different taper grinding operation and check accuracy. [Different taper grinding: – compound or double taper, steep taper, morse taper; accuracy limit – ±0.008mm.] (Mapped NOS: CSC/N0109)
2. Duration :- Professional Skill 135 Hrs.; Professional Knowledge 30 Hrs. (for above learning out come)

TRADE THEORY (Professional Knowledge ) :- 

• • Method of plain cylindrical surface grinding step-grinding and shoulder and face grinding.

TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical

• 126. Grind cylindrical steps with shoulder and chamfer within accuracy ±0.008mm. (20hrs)

WEEK. NO. 26

1. Reference Learning Outcome :- Produce components by different taper grinding operation and check accuracy. [Different taper grinding: – compound or double taper, steep taper, morse taper; accuracy limit – ±0.008mm.] (Mapped NOS: CSC/N0109)
2. Duration :- Professional Skill 135 Hrs.; Professional Knowledge 30 Hrs. (for above learning out come)

TRADE THEORY (Professional Knowledge ) :- 

• • Method of grinding external and angle (simple) taper and steep.
  • Taper double compound taper.

TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical

• 127. Perform compound or double taper grinding accuracy of ±0.008mm. and surface finish of N5 (22hrs)

WEEK. NO. 27

1. Reference Learning Outcome :- Produce components by different taper grinding operation and check accuracy. [Different taper grinding: – compound or double taper, steep taper, morse taper; accuracy limit – ±0.008mm.] (Mapped NOS: CSC/N0109)
2. Duration :- Professional Skill 135 Hrs.; Professional Knowledge 30 Hrs. (for above learning out come)

TRADE THEORY (Professional Knowledge ) :- 

• • Use of universal head for angular grinding.
  • Measuring and checking of taper and angles.
  • Use of taper plug and ring gauges.

TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical

• 128. Perform steep taper grinding with in accuracy ±0.008mm. (12 hrs)
• 129. Grind lathe centre within accuracy ±0.008 mm. surface finish N4. (13 hrs)

WEEK. NO. 28

1. Reference Learning Outcome :- Produce components by different taper grinding operation and check accuracy. [Different taper grinding: – compound or double taper, steep taper, morse taper; accuracy limit – ±0.008mm.] (Mapped NOS: CSC/N0109)
2. Duration :- Professional Skill 135 Hrs.; Professional Knowledge 30 Hrs. (for above learning out come)

TRADE THEORY (Professional Knowledge ) :- 

• • Taper and angle checking by using protractors, micrometer and rollers.

TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical

• 130. Make Morse taper within accuracy ±0.008 mm. surface finish N4. (08 hrs)
• 131. Perform Plug grinding within accuracy ±0.008 mm. surface finish N4. (08 hrs)
• 132. Finish Metric tapers by grinding within accuracy ±0.008 mm. surface finish N4. (09 hrs)