Smithers Rapra

Plastics Injection Moulding Technology - Theory and Practice

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A thorough appreciation of the injection moulding process is important for product designer/developers and moulding production manager/supervisors as well as people involved in quality control/assurance and technical service. Each will benefit from a broader and deeper understanding of the whole process and how product design and material choices affect the process and cost of production. Common moulding faults can be identified and avoided and good moulding practice recognised. Product designer/developers in particular will benefit from a better understanding of the process and industry terminology.

Who will Benefit:

  • Product Designers/Engineers
  • Quality and Technical Services Personnel
  • People responsible for purchasing injection moulded components
  • Managers and Supervisors needing a more detailed understanding of the Injection Moulding process.

Course Content

  • Injection Moulding Machine - Practical introduction to the injection moulding machine cycle and functions
  • Moulds - Types of Moulds - their uses and benefits, construction, gates, runners, ejection and cooling systems, design, objectives and quality.
  • Computer based assistance - Material selection, flow analysis and CAD
  • Materials - suppliers codes, interpreting data, storage and drying, fillers, relating test methods to finished products, industry terminology.
  • Processing - Material behaviour during processing, the effects of mould temperature and filling rates etc. on economics and product quality. Standard machine controls and new control methods.
  • Machine Selection - selecting the right machine for the product, closed loop, clamp mechanisms, automation, manufacture and machine based QC functions.

Objectives - attendees will:

  • gain a thorough understanding of the injection moulding machine and process
  • be aware of the different mould types and their construction
  • gain awareness of the dependence of quality on machine setting
  • be aware of the different plastic types, fillers and additives and reason for their choice
  • learn how part design, mould design and material selection affect the process
  • be aware of 'added value' techniques such as in-mould labelling, two/multi-material moulding, insert and outsert moulding
  • understand the need and use of 'profiles' for injection, speed etc.
  • have an awareness of the additional capabilities of machines: closed loop, machine based QC/SPC and process control systems
  • learn to recognise common moulding faults and their causes
  • learn to recognise good moulding practice
  • gain an understanding of the industry's terminology

Course Presenter: John R. Hind, B.Sc., M.Sc

Course Fee: £550.00 plus VAT for 2 Day Course, includes extensive lecture notes , lunches and refreshments.

  • 10% discount for 2 delegates registering
  • 15% discount for 3 or more delegates registering

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