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What are the advantages and disadvantages of injection moulding?

Join Date: 2020-09-08

Injection molding is a common manufacturing process, under a certain temperature, through the screw stirring completely molten plastic material, with high pressure into the mold cavity, after cooling and curing, to get the molding products. So What are the advantages and disadvantages of injection moulding?

Advantages of injection moulding

  • Compared with other plastic manufacturing methods, injection molding process is very fast and the molding cycle is short. Even part of the products can be designed multi-cavity mold, to achieve high yield of rapid production.
  • Identical parts can be produced, and complex parts can be made consistent using injection molding
  • A variety of materials can be used, and a variety of colored materials can be used.
  • After injection molding the excess plastic can be reused.
  • Good flow of molten material on the mold cavity wear little, so a set of mold can be long production of injection products.
  • Injection moulding process of closing, feeding, plasticizing, injection, mould opening and stripping can be completed by the program control, the need for labor is relatively low.

Disadvantages of injection moulding

  • There will be a high initial mold development and design cost and mold manufacturing cost, and a long time.
  • For large parts, huge machines are needed to make plastic injection parts. Giant moulds are very expensive to make
  • Due to the limitation of cooling conditions, it is more difficult to form the thick wall or the plastic parts with large wall thickness changes.
  • Injection molding machine and the cost of injection molding are relatively high, so the cost of small batch production parts is higher

As a China mould manufacturer, Jnmould has many years of experience in injection moulding. Jnmould manufactures all kinds of container moulds, storage box moulds, basket moulds, trash can moulds, etc. At the same time, we provide injection moulding solutions for furniture industry, automobile industry, logistics industry and so on.

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