27 Apr 2024

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

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WEEK. NO.  12

  1. Reference Learning Outcome :- Set cylindrical grinder to produce job/ components by performing external and internal cylindrical operation and check accuracy [Accuracy limit: – ±0.25mm.] (Mapped NOS: CSC/N0109)
  2. Duration :- Professional Skill 90 Hrs; Professional Knowledge 20  Hrs  (for above learning out come)
TRADE THEORY (Professional Knowledge ) :- 
    • Principle and value of grinding in finishing process, various types of grinding wheels their construction and characteristic glazed and loaded wheels.
TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical
  • 47. Perform grinding on surface grinding machine. (07 hrs)
  • 48. Identify different parts of cylindrical grinding machine. (02 hrs)
  • 49. Set cylindrical grinding machine and perform operation with dry / idle run. (07 hrs)
  • 50. Perform grinding on Cylindrical grinding machine (Grinding should be performed both on soft and hardened materials). (07 hrs)

WEEK. NO. 13

  1. Reference Learning Outcome :- Set cylindrical grinder to produce job/ components by performing external and internal cylindrical operation and check accuracy [Accuracy limit: – ±0.25mm.] (Mapped NOS: CSC/N0109)
  2. Duration :- Professional Skill 90 Hrs; Professional Knowledge 20  Hrs  (for above learning out come)
TRADE THEORY (Professional Knowledge ) :- 
    • Knowledge how to square up a workpiece using an angle plate.
    • Checking of squareness.
    • Multiple clamping of parts to achieve concentricity & uniformity in size.
    • Factors effecting selection of wheels, identification of wheel, marking system of grinding wheels IS: 551- 1966.
TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical
  • 51. Grind parallel block within accuracy ±0.2mm. (06 hrs)
  • 52. Perform Plain-mandrel grinding to size within accuracy ± 0.2. (06 hrs)
  • 53. Demonstrate selection of grinding wheels for grinding different metals. (03 hrs)
  • 54. Select of suitable wheel to obtain rough and IS: 1249-1958. (03 hrs)

WEEK. NO. 14  

  1. Reference Learning Outcome :- Set cylindrical grinder to produce job/ components by performing external and internal cylindrical operation and check accuracy [Accuracy limit: – ±0.25mm.] (Mapped NOS: CSC/N0109)
  2. Duration :- Professional Skill 90 Hrs; Professional Knowledge 20  Hrs  (for above learning out come)
TRADE THEORY (Professional Knowledge ) :- 
    • Grit and different types of bonds, such as vitrified, resinoid, rubber etc.
    • Different types of metals and electroplated bond.
TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical
  • 55. Grind different metals with suitable grinding wheels. (24 hrs)

WEEK. NO. 15

  1. Reference Learning Outcome :- Set cylindrical grinder to produce job/ components by performing external and internal cylindrical operation and check accuracy [Accuracy limit: – ±0.25mm.] (Mapped NOS: CSC/N0109)
  2. Duration :- Professional Skill 90 Hrs; Professional Knowledge 20  Hrs  (for above learning out come)
TRADE THEORY (Professional Knowledge ) :- 
    • Grinding wheel speed, surface speed per minute conversion of peripheral speed to r.p.m.
    • Depth of cut and range at usefulness.
    • Depth micrometer and vernier caliper.
    • Common types of surface grinding machine, plain surface, rotary surface, horizontal and vertical surface grinder etc. Method of grinding tapers.
TRADE PRACTICAL (Professional Skills  With Indicative Hours) :- Job no. & Name of the Practical
  • 56. Perform externals cylindrical grinding operation within accuracy ± 0.1mm. (03 hrs)
  • 57. Perform internal cylindrical grinding operation within accuracy ± 0.1mm. (03 hrs)
  • 58. Change the recommended wheel speed and control depth of cut. (02 hrs)
  • 59. Perform grinding of sockets both internal and external and check.
    (05 hrs)
  • 60. Perform Morse taper grinding both internal and external and check. (05 hrs)
  • 61. Perform grinding External sleeve and check. (05 hrs)
  • 62. Perform depth checking by depth gauge micrometer. (02 hrs)