MACHINIST GRINDER 1st year WEEK WISE NSQF SYLLABUS (SPILT UP)

WEEK. NO. 05

1. Reference Learning Outcome :- Produce simple components by setting different machine parameters and performing different lathe operation [Different machine parameters: – Cutting, speed, feed, depth of cut; Different lathe operation – Facing, plain turning, taper turning, boring and simple thread cutting.] (Mapped NOS: CSC/N0110)
2. Duration :- Professional Skill 80  Hrs; Professional Knowledge 22  Hrs  (for above learning out come)

TRADE THEORY (Professional Knowledge ) :- 

• • Brief description of a Centre lathe, its use.
  • Knowledge of transmission of speed from motor to spindle of a lathe.
  • Knowledge of aligning a job on lathe.
  • Lathe tools nomenclature.

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

• 30. Identify Centre lathe and its parts, (04 hrs)
• 31. Set lathe machine and perform on lathe operation with idle or dry run. (10 hrs)
• 32. Grind Lathe Tools on Pedestal Grinder. (10 hrs)

WEEK. NO. 06

1. Reference Learning Outcome :- Produce simple components by setting different machine parameters and performing different lathe operation [Different machine parameters: – Cutting, speed, feed, depth of cut; Different lathe operation – Facing, plain turning, taper turning, boring and simple thread cutting.] (Mapped NOS: CSC/N0110)
2. Duration :- Professional Skill 80  Hrs; Professional Knowledge 22  Hrs  (for above learning out come)

TRADE THEORY (Professional Knowledge ) :- 

• • Knowledge of controlling cutting speed, feed and depth of cut.
  • Lathe tools and their uses.
  • Selection of tools for different operation in lathe.
  • Taper and its types and problems.
  • Taper turning methods and calculations. i.e. Form tool, TT attachment, Compound rest etc.

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

• • 33. Perform facing and turning on lathe. (05 hrs)
  • 34. Perform drilling operation on lathe. (05 hrs)
  • 35. Perform taper turning using compound rest and taper turning attachment. (05 hrs)
  • 36. Perform boring operation on lathe. (11 hrs)

WEEK. NO.  07

1. Reference Learning Outcome :- Produce simple components by setting different machine parameters and performing different lathe operation [Different machine parameters: – Cutting, speed, feed, depth of cut; Different lathe operation – Facing, plain turning, taper turning, boring and simple thread cutting.] (Mapped NOS: CSC/N0110)
2. Duration :- Professional Skill 80  Hrs; Professional Knowledge 22  Hrs  (for above learning out come)

TRADE THEORY (Professional Knowledge ) :- 

• • Method of screw cutting and simple calculation.
  • Knowledge of spindle speed mechanism related to lead screw of lathe.

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

• 37. Perform simple external screw cutting. (15 hrs)
• 38. Perform simple internal screw cutting. (15 hrs)

WEEK. NO.   08  

1. Reference Learning Outcome :- Perform grinding wheel mounting, balancing, dressing, truing and set surface grinder to make job by rough & finish grinding and check accuracy with precision measuring instrument [Accuracy limit:- ±0.25mm.] (Mapped NOS: CSC/N0109)
2. Duration :- Professional Skill 100  Hrs; Professional Knowledge 20  Hrs  (for above learning out come)

TRADE THEORY (Professional Knowledge ) :- 

• • Application and use of  pedestal grinder.
  • General dressing tools used in grinding section such as wheel, diamond dresser, steel type dresser, abrasive dresser and nonferrous dresser.

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

• 39. Set grinding wheel on wheel flange, truing and balancing of wheels. (20 hrs)
• 40. Dress grinding wheel. (05 hrs)

WEEK. NO. 09, 10 & 11

1. Reference Learning Outcome :- Perform grinding wheel mounting, balancing, dressing, truing and set surface grinder to make job by rough & finish grinding and check accuracy with precision measuring instrument [Accuracy limit:- ±0.25mm.] (Mapped NOS: CSC/N0109)
2. Duration :- Professional Skill 100  Hrs; Professional Knowledge 20  Hrs  (for above learning out come)

TRADE THEORY (Professional Knowledge ) :- 

• • Precision measuring instruments English and metric micrometer, vernier caliper, dial test indicator etc. their description and uses.
  • Knowledge of digital measuring instruments and its uses.
  • Pneumatic gauges – its accessories and control device and use for checking dimensions.
  • Different types of abrasive, manufacture of grinding wheels, their grades.

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

• 41. Check and measure various types of jobs using micrometers, Vernier caliper, Height gauge etc. (10 hrs)
• 42. Identify different parts of surface grinding machine. (10 hrs)
• 43. Set surface grinding machine and perform operating with dry / idle run. (12 hrs)
• 44. Perform rough and finish grinding on surface work. (15 hrs)
• 45. Perform rough and finish grinding on cylindrical job. (20 hrs)
• 46. Include diamond and CBN grinding wheel. (08 hrs)