Injection Moulding

Injection Moulding PDF high quality with Pictures of Injection Moulding machine and all the processes of injection moulding. download complete tutorial PDF of injection molding

Injection Moulding PDF

PDF NameInjection Moulding
Published/Updated On
Category
RegionGlobal
No. of Pages34
PDF Size1.66 MB
LanguageEnglish
Source(s) / Creditswww.m-ep.jp

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Injection Moulding PDF - Overview

Injection moulding is a manufacturing process for producing parts by injecting molten material into a mould, or mold. It can be performed with a host of materials mainly including metals, glasses, elastomers, confections, and most commonly thermoplastic and thermosetting polymers.

The injection machine is a machine that melt plasticize the molding material inside the heating cylinder and inject this into the mold tool to create the molded product by solidifying inside it. The injection machine is constructed of a mold clamping device that opens and closes the mold tool, and device that plasticize and inject the molding material.

This Process uses a special-purpose machine that has three parts: the injection unit, the mould and the clamp. Parts to be injection – moulded must be very carefully designed to facilitate the moulding process; the material used for the part, the desired shape and features of the part, the material of the mould, and the properties of the moulding machine must all be taken into account.

Injection Moulding

Types of Injection Moulding Machines

  • Horizontal injection machine – Both mold clamping device and injection device compounded horizontally
  • Vertical injection machine – Both mold clamping device and injection device compounded vertically
  • Two-color injection machine
  • Rotary injection machine
  • Low foam injection machine
  • Multi material injection machine
  • Sandwich injection machine

Different types of injection moulding processes

  • Die casting
  • Metal injection Process moulding
  • Thin-wall injection Process moulding
  • Injection Process moulding of liquid silicone rubber
  • Reaction injection Process moulding
  • Micro injection Process moulding
  • Gas-assisted injection Process moulding
  • Cube mold technology

Injection Moulding – Moulding defects

  • Blister
  • Burn marks
  • Colour streaks
  • Contamination
  • Delamination
  • Flash
  • Embedded contaminates
  • Flow marks
  • Gate Blush
  • Jetting
  • Knit lines
  • Polymer degradation
  • Sink marks
  • Short shot
  • Splay marks
  • Stringiness
  • Voids
  • Weld line
  • Warping
  • Cracks
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