CMF336 Design of Tooling for Thermosets Syllabus:
CMF336 Design of Tooling for Thermosets Syllabus – Anna University Regulation 2021
COURSE OBJECTIVES:
At the end of this course the student should be able to
• Understand basic characteristics of Thermoset Molding Materials
• Understand the basic process of thermoset materials
• Understand the basics of Plastics mould design.
• Acquire knowledge about various moulds for different processing techniques.
• Understand the properties and applications of different thermoset plastic materials and apply this knowledge in analysing the appropriate parameters for processing them.
UNIT I INTRODUCTION
Basic characteristics of Thermoset Molding materials- Manufacturing Processes of Thermoset Resins: Layout and arrangement of thermoset plastic material manufacturing plant of: Phenol Formaldehyde, Melamine Formaldehyde, Urea Formaldehyde, Epoxy, Silicon, Polyester, Polyurethanes- Properties –Applications.
UNIT II DESIGN OF COMPRESSION MOULDS
Introduction -Types -Open flash, Semi-positive, Positive moulds- Bulk factor – Design of loading chambers and Pressure pad – Calculations of Flash thickness, Projected area, Compression Pressure, Clamping Force, No. of impressions- Design of heating system – Advantages, Disadvantages and Applications Compression Mould.
UNIT III DESIGN OF TRANSFER MOULDS
Introduction -Types –Design of Pot and Plunger – Calculations of Projected area, Transfer Pressure, clamping force – Design of Pressure pad and Feed system – Advantages, Disadvantages and Applications of Transfer Mould
UNIT IV MOULD FOR LIQUID COMPOSITES
Introduction liquid composite moulding – Types: Resign Transfer Molding (RTM) – Vacuum assisted Resign Transfer Molding (VARTM) – Vacuum Infusion Process (VIP) – Resin Transfer Tooling Light (RTML) – Compressed Resin Transfer Molding (CRTM) – Reaction Injection Moulding (RIM)-Tool Design consideration-Applications.
UNIT V MOULD FOR SMC / BMC / DMC
Introduction to Sheet Moulding Compound (SMC), Bulk Moulding Compound (BMC), Dough Moulding Compound (DMC) – Tooling requirement – Tooling Materials – Design of mould elements- Assembly- applications-case studies. Mould for Foams: Expanded Polypropylene (EPP) and Expanded Polystyrene (EPS)
TOTAL : 45 PERIODS
OUTCOMES:
Upon the completion of this course the students will be able to
• List the basic characteristics of Thermoset Molding Materials
• Apply the basic process of thermoset materials
• Preform the basics of Plastics mould design.
• Design moulds for various thermoset processing.
• Identify the properties and applications of different thermoset plastic materials and apply this knowledge in analysing the appropriate parameters for processing them.
TEXT BOOKS:
1. Peter Jones, The Mould Design Guide, Smithers Rapra Technology Limited, 2008, Shawbury, Shrewsbury, Shropshire, SY4 4NR, UK
2. Hanna Dodiuk Professor , Sydney H Goodman Handbook of Thermoset Plastics (Plastics Design Library), Hardcover, 2013
REFERENCES:
1. Hanna Dodiuk , Handbook of Thermoset Plastics, Elsevier, Fourth Edition ,2021
2. Sanjay K Nayak, Pratap Chandra Padhi and Y.Hidayathullah, Fundamentals of plasticsbmould design, 2012.
3. J.F. Monk, Thermosetting Plastics: Moulding Materials and Processes, Pearson,1997
4. Michael L. Berins , SPI Plastics Engineering Handbook, Springer, 2012