Article | REF: AM3681 V2

Thermoplastic Injection Mold. Overview

Author: Thomas MUNCH

Publication date: May 10, 2024

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10. Mould acceptance protocol

10.1 Off-press checks

Prior to press testing, the following checks can be carried out to test the quality of the mechanical design:

  • Checking the parting line by applying blue on the parting line and checking the spans after closing;

  • disassembly, inspection and reassembly (detection of makeshift repairs: welding and foil) ;

  • measurement of flow rates and pressure drops in cooling circuits: this can be done using manometers mounted on standard fittings and by timing the filling of a container of known volume;

  • dimensional verification of cavities by targeted measurements: dimensions that are difficult to achieve or functional dimensions...

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