Plastic Product & Mould Design

• Design of polymeric product Design criteria based upon product functions and geometry. Material selection by property assessment. Selection of appropriate forming processes.
• Moulding considerations Draft, radii, dimensional tolerances, wall thicknesses, ribs and bosses, inserts, sink marks, undercuts, feeding system, gate location, flow pattern, shrinkage and post moulding shrinkage.

Design of Plastic under static load Design of Plastic under Dynamic load, Metal insert, hinge, fasteners.

Injection mould design Single, multicavity, semi automatic and automatic moulds. Types of injection moulds, their application, detailed structure and working. Feed system, Temperature control system, Ejection System, Standard Mould base.

Split Mould and types of mechanism, Unscrewing mechanism, Introduction to Hot runner mould. Design concepts for compression moulds, transfer moulds and blow moulds.

Extrusion Dies Types of extrusion dies and design characteristics. Die Design for Pipe and Sheet.