How to set the injection molding pressure?

07-11-2023

Injection pressure is the pressure at which the molten plastic is injected in to a mold cavity. It is typically measured in tons per square inch(psi) or megapascals (MPa)

molding

The injection pressure is determined by a number of factors, including:

The viscosity of the plastic

The size and shape of the part

The size of the gate

The clamping pressure of the mold

The function of injection pressure:

1. Provide a certain filling speed for the molten plastic

2. Squeeze the molten plastic in the cavity

3. Overcome the flow resistance of the molten plastic

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