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Mechanical Engineering vocabulary · Manufacturing Processes

Injection molding

Meaning in mechanical engineering, with examples

nounCommon term

In mechanical engineering, injection molding means: A process that makes plastic parts by injecting molten plastic under high pressure into a closed steel mold, where it cools and hardens.

In Turkish: plastik enjeksiyon, enjeksiyon kalıplama

How it is used

Used for high-volume plastic parts such as housings, clips and caps. Engineers design parts with draft angles and even wall thickness, and discuss mold cost, cycle time and defects such as sink marks, flash and warpage.

Example sentences

  1. Injection molding is only economical here if we make more than 10,000 parts a year.

  2. Add a 1° draft to the walls so the part comes out of the injection molding tool easily.

Common collocations

  • injection molding machine
  • injection mold
  • cycle time
  • plastic injection molding
  • mold design
  • prototypeAn early working version of a product, built to test the design, check fit and function, and find problems before production starts.
  • additive manufacturingMaking parts by building them up layer by layer from a digital model, in plastic or metal. It is the industrial term for 3D printing.
  • CADShort for computer-aided design: software used to create 3D models and 2D drawings of parts and assemblies, such as SolidWorks, CATIA, Siemens NX or AutoCAD.
  • castingMaking a part by pouring molten metal into a mold and letting it harden. The word also means a part made in this way.

More terms: Manufacturing Processes

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