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Fluid Injection Technique


FIT

Fluid injection technique (FIT) is used to manufacture components with thicker walls as well as components with hollow spaces. Either gas (GIT) or water (WIT) can be used as the fluid. The process variant recently tested for the first time at the Institute of Plastic Processing (IKV) Aachen combines WIT and GIT and expels the melt using a gas-vapour mixture. Another variant is the projectile injection technique (PIT), which will be explained below.

Gas Injection Technique & Water Injection Technique

Suitable Materials

The following materials from AKRO-PLASTIC are suitable for the gas and water injection technique, depending on the application:

Handles:

AKROMID® A3 GF 30 1 GIT black (4619) = good surface finish, safe process
AKROMID® A3 GF 15 1 GIT black (4620) = good surface finish, safe process 
AKROMID® B28 GF 50 1 GIT black (4732) = good surface finish, safe process
AKROMID® B3 GF 30 1 GIT black (4598) = good surface finish, safe process
AKROMID® B3 GF 30 1 GIT black (4599) extremely good surface finish

Cooling water pipes:

AKROMID® A3 GM 20/10 4 WIT black (4529) = thin walls, safe process

Pedals:

AKROMID® A3 GF 30 1 GIT black (4619) = good surface finish, safe process
AKROMID® B28 GF 50 1 GIT black (4732) = good surface finish, safe process
AKROMID® B3 GF 30 1 GIT black (4598) = good surface finish, safe process
AKROMID® B3 GF 30 1 GIT black (4599) = extremely good surface finish
AKROMID® B3 ICF 15 (5026) = good surface finish, safe process

Fluid Injection Technique

Irrespective of the chosen fluid, the following process variants are used:

Process Variants

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