PL2404 PLASTICS PRODUCT DESIGN SYLLABUS | ANNA UNIVERSITY B.TECH PLASTIC TECHNOLOGY 7TH SEM SYLLABUS REGULATION 2008 2011 2012-2013 BELOW IS THE ANNA UNIVERSITY SEVENTH SEMESTER B.TECH PLASTIC TECHNOLOGY DEPARTMENT SYLLABUS, TEXTBOOKS, REFERENCE BOOKS,EXAM PORTIONS,QUESTION BANK,CLASS NOTES, IMPORTANT 2 MARKS, 8 MARKS, 16 MARKS TOPICS. IT IS APPLICABLE FOR ALL STUDENTS ADMITTED IN THE YEAR 2011 2012-2013 (ANNA UNIVERSITY CHENNAI,TRICHY,MADURAI,TIRUNELVELI,COIMBATORE), 2008 REGULATION OF ANNA UNIVERSITY CHENNAI AND STUDENTS ADMITTED IN ANNA UNIVERSITY CHENNAI DURING 2009
PL2404 PLASTICS PRODUCT DESIGN L T P C
3 0 0 3
UNIT I 9
Product Design -Concepts - size, shape and function - form and function - Aesthetics,
Ergonomics - shrinkage, Flash lines. Undercuts - External & Internal - Wall thickness -
variances in wall thickness - suggested wall thickness for thermoplastics and thermosetting
materials - Emphasize on designing with engineering plastics. Taper or draft. Fits &
Tolerances. Designing with plastics for load bearing applications like gears, bearing,
sandwich laminates. Design of radii, fillets, ribs and bosses. Design for flow and shape.
Moulded Holes - through holes - blind holes - threaded holes - side holes - holes parallel to
draw - nearness of holes to each other and side wall - moulding holes not parallel to draw -
drilled and tapped holes.
Design of integral hinges, hinges and snap fits for boxes and assembly of moulded parts.
57
UNIT II 9
Moulded threads—thread pieces—threaded holes
Inserts-Materials-Selection of metal for inserts-minimum wall thickness of material around
inserts-anchorage-relieving moulding stresses around inserts-location of inserts in the partmoulded
in inserts-pressed in inserts
UNIT III 9
Quality and economy-tooling aspects on product design-process variables vs product
design-product design appraisal.
Product design limitations-shrinkage vs tolerance-minimum wall thickness-mechanical
properties-creep properties-end use requirements with case studies.
Prototype development – rapid prototyping techniques – stereolithography.
UNIT IV 9
Composite product design - Concepts of composite product design-Design requirementsfunctional-
safety-reliability –cost effectiveness
Design constraints-use of factor of safety for uncertainities in design-design failure criteriaoptimisation
in design.
UNIT V 9
Design date-physical, mechanical and functional properties of composites-code of practice
of loading on structures-structure properties relation of composites-failure criteria and
design.
Design of simple structural elements-tension bars-columns-beams-pipes-plates and shells.
Design of joints-bolted joints-bonded joints etc.
TOTAL: 45 PERIODS
REFERENCES
1. Robert A. Malloy, “Plastic Part Design for Injection Moulding”, Hanser Publishers,
Munich Vienna, New York, 1994..
2. Paul A. Tres, “Designing Plastic Parts for Assembly”, 2nd Revised Edition, Hanser
Publishers, Munich Vienna New York, 1994.
3. N G Mc Crum, Principles of Polymer Engineering, Oxford Science Publications, New
York, 1997.
4. Belofsky, H., “Plastics Product Design and Processing Engineering, Hanser
Publishers, Munich Vienna New York, 1994.
5. Plastics Product Design Engineering Hand Book- By Dubois, H.
6. Plastics Product Design & Process Engineering -By Belofsky, Harold.
PL2404 PLASTICS PRODUCT DESIGN L T P C
3 0 0 3
UNIT I 9
Product Design -Concepts - size, shape and function - form and function - Aesthetics,
Ergonomics - shrinkage, Flash lines. Undercuts - External & Internal - Wall thickness -
variances in wall thickness - suggested wall thickness for thermoplastics and thermosetting
materials - Emphasize on designing with engineering plastics. Taper or draft. Fits &
Tolerances. Designing with plastics for load bearing applications like gears, bearing,
sandwich laminates. Design of radii, fillets, ribs and bosses. Design for flow and shape.
Moulded Holes - through holes - blind holes - threaded holes - side holes - holes parallel to
draw - nearness of holes to each other and side wall - moulding holes not parallel to draw -
drilled and tapped holes.
Design of integral hinges, hinges and snap fits for boxes and assembly of moulded parts.
57
UNIT II 9
Moulded threads—thread pieces—threaded holes
Inserts-Materials-Selection of metal for inserts-minimum wall thickness of material around
inserts-anchorage-relieving moulding stresses around inserts-location of inserts in the partmoulded
in inserts-pressed in inserts
UNIT III 9
Quality and economy-tooling aspects on product design-process variables vs product
design-product design appraisal.
Product design limitations-shrinkage vs tolerance-minimum wall thickness-mechanical
properties-creep properties-end use requirements with case studies.
Prototype development – rapid prototyping techniques – stereolithography.
UNIT IV 9
Composite product design - Concepts of composite product design-Design requirementsfunctional-
safety-reliability –cost effectiveness
Design constraints-use of factor of safety for uncertainities in design-design failure criteriaoptimisation
in design.
UNIT V 9
Design date-physical, mechanical and functional properties of composites-code of practice
of loading on structures-structure properties relation of composites-failure criteria and
design.
Design of simple structural elements-tension bars-columns-beams-pipes-plates and shells.
Design of joints-bolted joints-bonded joints etc.
TOTAL: 45 PERIODS
REFERENCES
1. Robert A. Malloy, “Plastic Part Design for Injection Moulding”, Hanser Publishers,
Munich Vienna, New York, 1994..
2. Paul A. Tres, “Designing Plastic Parts for Assembly”, 2nd Revised Edition, Hanser
Publishers, Munich Vienna New York, 1994.
3. N G Mc Crum, Principles of Polymer Engineering, Oxford Science Publications, New
York, 1997.
4. Belofsky, H., “Plastics Product Design and Processing Engineering, Hanser
Publishers, Munich Vienna New York, 1994.
5. Plastics Product Design Engineering Hand Book- By Dubois, H.
6. Plastics Product Design & Process Engineering -By Belofsky, Harold.
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