Computer
Aided Design And Manufacturing Lab (A70390)
- Drafting: Development of part drawings for various components in the form of orthographic and isometric. Representation of dimensioning and tolerances
- Part Modeling: Generation of various 3D Models through Protrusion, revolve, sweep. Creation of various features. Study of parent child relation. Feature based and Boolean based modeling and Assembly Modeling. Study of various standard Translators. Design of simple components.
- Determination of deflection and stresses in 2D and 3D trusses and beams.
- Determination of deflections, principal and Von-mises stresses in plane stress, plane strain and Axi-symmetric components.
- Determination of stresses in 3D and shell structures (at least one example in each case)
- Estimation of natural frequencies and mode shapes, Harmonic response of 2D beam.
- Study state heat transfer analysis of plane and axi-symmetric components.
- Development of process sheets for various components based on Tooling and Machines.
- Development of manufacturing defects and tool management systems.
- Study of various post processors used in NC Machines.
- Development of NC code for free form and sculptured surfaces using CAM software.
- Machining of simple components on NC lathe and Mill by transferring NC Code I from CAM software.
- Quality Control and inspection.
Production
Drawing Practice And Instrumentation Lab (A70391)
(A)
PRODUCTION DRAWING PRACTICE
UNIT-I
CONVENTIONAL
REPRESENTATION OF MATERIALS: conventional representation of parts - screw
joints, welded joints, springs, gears, electrical, hydraulic and pneumatic
circuits - methods of indicating notes on drawings.
Limits, Fits
and Tolerances: Types of fits, exercises involving selection / interpretation
of fits and estimation of limits from tables.
UNIT-II
FORM AND
POSITIONAL TOLERANCES: Introduction and indication of form and position
tolerances on drawings, types of run out, total run out and their indication.
UNIT- Ill
SURFACE
ROUGHNESS AND ITS INDICATION: Definition, types of surface roughness indication
- Surface roughness obtainable from various manufacturing processes,
recommended surface roughness on mechanical components. Heat treatment and
surface treatment symbols used on drawings.
UNIT-IV
DETAILED AND
PART DRAWINGS: Drawing of parts from assembly drawings with indications of
size, tolerances, roughness, form and position errors etc.
UNIT-V
PRODUCTION
DRAWING PRACTICE: Part drawings using computer aided drafting by CAD software
(B)INSTRUMENTATION
LAB
- Calibration of Pressure Gauges
- Calibration of transducer for temperature measurement.
- Study and calibration of LVDT transducer for displacement measurement.
- Calibration of strain gauge for temperature measurement.
- Calibration of thermocouple for temperature measurement.
- Calibration of capacitive transducer for angular displacement.
- Study and calibration of photo and magnetic speed pickups for the measurement of speed.
- Calibration of resistance temperature detector for temperature measurement.
- Study and calibration of a rotameter for flow measurement.
- Study and use of a Seismic pickup for the measurement of vibration amplitude of an engine bed at various loads.
- Study and calibration of Mcleod gauge for low pressure.