Subject Details
Dept     : MECH
Sem      : 5
Regul    : 2019
Faculty : Mr.P.Janagarathinam
phone  : NIL
E-mail  : janagan.p.mech@snsct.org
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Lecture Notes

UNIT 1:
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Introduction – CAD definition – design process
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Transformations: Scaling, Rotation, Pan, Redraw, Regenerate
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Geometric modelling techniques
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Geometric modelling techniques
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Introduction – CAD definition – design process
UNIT 2:
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Numerical control – development of NC – DNC
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Numerical control – development of NC – DNC
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CNC EDM machine
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Coordinate measuring machine-construction, working principles and specifications
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Maintenance of CNC machines
UNIT 3:
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CNC CONTROL SYSTEM AND PART PROGRAMMING
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Feedback devices: encoders – linear and rotary transducers
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NC dimensioning –reference points
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Coordinate system – types of motion control: point-to-point, paraxial and contouring
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Coordinate system – types of motion control: point-to-point, paraxial and contouring