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

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WEEK. NO. 29

  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 sine bar and gauge block-taper checking by sine bar gauge block D.T.I. micrometer and rollers.
    • Other out of round surfaces.
    • Holding work with fixed steady rest, in process gauges and pneumatic gauges.
TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical
  • 133. Perform Taper grinding using sine bar, D.T.I. and gauge blocks to close limit h6. (23hrs)

WEEK. NO. 30

  1. Reference Learning Outcome :-Produce male and female components by different grinding to close tolerance limit. [Different grinding: – step and slot grinding; tolerance limit- H6/h5] (NOS: CSC/N0109)
  2. Duration :- Professional Skill 67 Hrs.; Professional Knowledge 20 Hrs. (for above learning out come)
TRADE THEORY (Professional Knowledge ) :- 
    • Centreless grinding process of holding job, and types of operations.
    • Effect of setting work above and below wheel centre.
    • Jig and fixture holding work by fixture and vice non-electric and magnetic chuck.
    • Use of three jaw and two jaw steady rest
TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical
  • 134. Grind Taper up to close limit H6. (6hrs)
  • 135. Grind lathe centre within h7. (8hrs)

WEEK. NO. 31

  1. Reference Learning Outcome :-Produce male and female components by different grinding to close tolerance limit. [Different grinding: – step and slot grinding; tolerance limit- H6/h5] (NOS: CSC/N0109)
  2. Duration :- Professional Skill 67 Hrs.; Professional Knowledge 20 Hrs. (for above learning out come)
TRADE THEORY (Professional Knowledge ) :- 
    • Internal centreless grinding methods of holding jobs and processes of grinding. Selection of wheels.
    • Internal grinding work movement and wheel movement.
    • Rotation and reciprocation of job and wheel spindle, Internal grinding allowance, selection of wheels for internal grinding allowance, selection of wheels for internal grinding.
    • Thread grinding method of holding jobs methods of grinding threads and thread calculation.
TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical
  • 136. Perform internal step grinding to close limit H6, (13 hrs)
  • 137. Grind ring gauge to close limit-H7. (8hrs)

WEEK. NO. 32

  1. Reference Learning Outcome :-Produce male and female components by different grinding to close tolerance limit. [Different grinding: – step and slot grinding; tolerance limit- H6/h5] (NOS: CSC/N0109)
  2. Duration :- Professional Skill 67 Hrs.; Professional Knowledge 20 Hrs. (for above learning out come)
TRADE THEORY (Professional Knowledge ) :- 
    • Thread grinding method of holding jobs method of grinding threads and thread calculation.
TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical
  • 138. Perform slot grinding to close limit h5. (16hrs)

WEEK. NO. 33  

  1. Reference Learning Outcome :-Produce male and female components by different grinding to close tolerance limit. [Different grinding: – step and slot grinding; tolerance limit- H6/h5] (NOS: CSC/N0109)
  2. Duration :- Professional Skill 67 Hrs.; Professional Knowledge 20 Hrs. (for above learning out come)
TRADE THEORY (Professional Knowledge ) :- 
    • Various types of thread grinding wheels and their selection.
    • Types of dressers and process of process of dressing selection of coolants and their use.
TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical
  • 139. Perform cylindrical step grinding (16hrs)

WEEK. NO. 34  

  1. Reference Learning Outcome :-Prepare surface of a job by performing lapping & buffing to close limit h5. (NOS: CSC/N9409)
  2. Duration :- Professional Skill 19 Hrs.; Professional Knowledge 06 Hrs. (for above learning out come)
TRADE THEORY (Professional Knowledge ) :- 
    • Laps and lapping material, types of laps lapping abrasives rotary diamond
    • lap lapping lubricants lapping pressures wet and dry lapping.
    • Hand lapping and machine lapping.
TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical
  • 140. Perform Lapping on flat surface. (05hrs)
  • 141. Perform Lapping on cylindrical surface (06hrs)
  • 142. Perform Buffing to close limits . (8hrs)

WEEK. NO. 35  

  1. Reference Learning Outcome :-Make components by different grinding to close tolerance limit and check accuracy. [Different grinding: – cylindrical taper, surface grinding & shoulder grinding; tolerance limit- h6] (Mapped NOS: CSC/N0109)
  2. Duration :- Professional Skill 70 Hrs.; Professional Knowledge 20 Hrs. (for above learning out come)
TRADE THEORY (Professional Knowledge ) :- 
    • Lapping flat surface lapping cylindrical surface polishing wheels polishing operations abrasive buffing wheels
TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical
  • 143. Perform cylindrical Taper grinding. (10hrs)

WEEK. NO. 36  

  1. Reference Learning Outcome :-Make components by different grinding to close tolerance limit and check accuracy. [Different grinding: – cylindrical taper, surface grinding & shoulder grinding; tolerance limit- h6] (Mapped NOS: CSC/N0109)
  2. Duration :- Professional Skill 70 Hrs.; Professional Knowledge 20 Hrs. (for above learning out come)
TRADE THEORY (Professional Knowledge ) :- 
    • Grinding defects and their corrections, inaccurate work out of round, out of parallel taper on and irregular marks spiral scratches, discoloured burnt surface etc.
TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical
  • 144. Perform surface grinding within accuracy ±0.01mm. (20hrs)

WEEK. NO. 37  

  1. Reference Learning Outcome :-Make components by different grinding to close tolerance limit and check accuracy. [Different grinding: – cylindrical taper, surface grinding & shoulder grinding; tolerance limit- h6] (Mapped NOS: CSC/N0109)
  2. Duration :- Professional Skill 70 Hrs.; Professional Knowledge 20 Hrs. (for above learning out come)
TRADE THEORY (Professional Knowledge ) :- 
    • Grinding defects and their correction.
    • Waviness marks of surface, chatters-short close evenly spaced long and regularly spaced, marks in phase with vibration of floor, random marks, random waves etc.
    • Glazing of wheel and loading of wheel.
TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical
  • 145. Perform Multi-step cylindrical grinding. (20hrs)

WEEK. NO. 38  

  1. Reference Learning Outcome :-Make components by different grinding to close tolerance limit and check accuracy. [Different grinding: – cylindrical taper, surface grinding & shoulder grinding; tolerance limit- h6] (Mapped NOS: CSC/N0109)
  2. Duration :- Professional Skill 70 Hrs.; Professional Knowledge 20 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.
TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical
  • 146. Perform shoulder grinding on cylinder-grinding machine to close limit h7. (20hrs)

WEEK. NO. 39  

  1. Reference Learning Outcome :-Identify different components of CNC lathe to understand working and prepare part programme by using simulation software. (NOS: CSC/NO115)
  2. Duration :- Professional Skill 90 Hrs.; Professional Knowledge 23 Hrs. (for above learning out come)
TRADE THEORY (Professional Knowledge ) :- 
    • Importance of Technical English terms used in industry -(in simple definition only)Technical forms, process charts, activity logs, in required formats of industry, estimation, cycle time, productivity reports, job cards.
TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical
  • 147. Prepare different types of documentation as per industrial need by different methods of recording information. (12 hrs)

WEEK. NO. 40  

  1. Reference Learning Outcome :-Identify different components of CNC lathe to understand working and prepare part programme by using simulation software. (NOS: CSC/NO115)
  2. Duration :- Professional Skill 90 Hrs.; Professional Knowledge 23 Hrs. (for above learning out come)
TRADE THEORY (Professional Knowledge ) :- 
    • Introduction to CNC Technology CNC M/c. principle advantages classification, drives, controls.
    • Basic information on CNC machine & maintenance of CNC M/c. computer aided CNC Language.
    • Introduction to CNC grinding.
TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical
  • 148. Identify CNC machine (04 hrs)
  • 149. CNC machine operation like Jog, Reference Edit, MDI, Auto Mode Program. Call & Entry, Simulation, Tool off-set Tool changing /Orientation. (12 hrs)

WEEK. NO. 41  

  1. Reference Learning Outcome :-Identify different components of CNC lathe to understand working and prepare part programme by using simulation software. (NOS: CSC/NO115)
  2. Duration :- Professional Skill 90 Hrs.; Professional Knowledge 23 Hrs. (for above learning out come)
TRADE THEORY (Professional Knowledge ) :- 
    • Personal safety, safe material handling, and safe machine operation on
    • CNC turning centers.
    • CNC technology basics, Comparison between CNC and conventional lathes.
    • Concepts of positioning accuracy, repeatability.
TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical
  • 150. Know rules of personal and CNC machine safety, safe handling of tools, safety switches and material handling equipment using CNC didactic/ simulation software and equipment. (10 hrs)
  • 151. Identify CNC lathe machine elements and their functions, on the machine. (10 hrs)

WEEK. NO. 42  

  1. Reference Learning Outcome :-Identify different components of CNC lathe to understand working and prepare part programme by using simulation software. (NOS: CSC/NO115)
  2. Duration :- Professional Skill 90 Hrs.; Professional Knowledge 23 Hrs. (for above learning out come)
TRADE THEORY (Professional Knowledge ) :- 
    • CNC lathe machine elements and their functions – bed, chuck, tailstock, turret, ball screws, guide ways, LM guides, coolant system, hydraulic system, chip conveyor, steady rest, console, spindle motor and drive, axes motors, tail stock, encoders, control switches.
TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical
  • 152. Understand the working of parts of CNC lathe, explained using CNC didactic/ simulation software. (15 hrs)
  • 153. Identify machine over travel limits and emergency stop, on the machine. (05 hrs)

WEEK. NO. 43  

  1. Reference Learning Outcome :-Identify different components of CNC lathe to understand working and prepare part programme by using simulation software. (NOS: CSC/NO115)
  2. Duration :- Professional Skill 90 Hrs.; Professional Knowledge 23 Hrs. (for above learning out come)
TRADE THEORY (Professional Knowledge ) :- 
    • Feedback, CNC interpolation, open and close loop control systems.
      Machining operations and the tool paths in them – stock removal in turning and facing, grooving, face grooving, threading, drilling.
TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical
  • 154. Decide tool path for turning, facing, grooving, threading, drilling. (15 hrs)
  • 155. Identify safety switches and interlocking of DIH modes. (05 hrs)
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