06ME848-Design For Manufacturing and Assembly |
PART – A |
UNIT I: |
TOLERANCES, LIMITS & FITS: General Tolerances, Tolerance grades,
Limits fundamental deviation, Fits, Tolerance Accumulation cumulative
effect of tolerances in assembly. Relationship between attainable tolerance
grades and different machining processes.
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UNIT II: |
GEOMETRIC TOLERANCES: Geometrical characteristics and symbols.
Definition and Measurement of circularity, cylindricity, flatness and runout.
True position tolerance.
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UNIT III: |
SURFACE ROUGHNESS: Terminology, Terms used for surface
roughness, measurement of surface roughness. Surface roughness values
obtained from various machining processes.
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UNIT IV: |
STASTICAL QUALITY CONTROL: Frequency distribution, standard
deviation concept of skewness & Kurtosh variance, Process capability,
Indices Cp and Cpk control charts.
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PART – B |
UNIT V: |
COMPONENT DESIGN FROM CASTING CONSIDERATIONS: Pattern, Mould, Parting line, cored holes and machined holes, Design for
reducting/eliminating sand cores.
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UNIT VI: |
COMPONENT DESIGN FROM MACHINING CONSIDERATION: Design considerations for turning, drilling, tapping, milling and grinding
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operations, provisions for clamping, Reduction in machining area,
simplification by separation and amalgamation, Use of productive machines |
UNIT VII: |
DESIGN CONSIDERATIONS: Major Design Phases. Design for
Manufacturability consideration. Influence of Fabrication properties
(Machinability, Castability, Weldability, Polymer processing).
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UNIT VIII: |
SELECTION OF MATERIALS IN DESIGN: Properties of Materials used
in design. Material selection process – cost per unit property, weighted
properties and limits on properties methods.
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REFERENCE |
TEXT BOOKS: |
1. Engineering Metrology, R.K. Jain Khanna Publishers, 2000.
2. Design for Manufacture, Harry Peck, Pitman Publications, 1983.
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Reference Books |
3. ASM Handbook, vol.20. Material selection & Design.
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. Design for Manufacturability Handbook, JameshG.Bralla, Editor,
Mcgraw Hill 1998.
5
. Product Design for Manufacture and Assembly, Geoffrey
Boothroyed et al ‘Mercel Dekker Inc. New York.
6
. Engineering Deign: A Materials and processing approach,George. E. Dieter, Mcgraw Hill, 1991
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