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Valve Gate Hot Runner System Questions & Answers
Valve gate hot runner system common questions and answers
1.Uneven gate bumpy: Check the gate area temperature.
2.Burrs around the gate: check the valve pin angle and length.
3.Gate convex: check the parameters of the machine.
4.Valve pin stuck: check the pressure and cooperation gap.
5.Valve pin end surface adhesive: check the valve pin end surface finish.
6.Gate area of the halo: check the location of the plastic gate, temperature differences, hot nozzle structure, transfer process.
7.Mixed color: check the hot runner system,nozzle structure,plastic materials.