What is the effect of high temperature of two-color injection molding?

Two-color injection molding is a very important step in the processing of a mold, and the temperature is the most important, because the temperature level affects the quality of the mold when two-color injection molding, so what will be the effect of this temperature level?


What is the disadvantage of high temperature of two-color injection molding? How can we deal with the problem of high temperature? Now let's understand briefly.

1, the thermal deformation of the machine: due to the smaller fit, operational failure, the moving parts of the hydraulic components with different coefficients of thermal expansion jammed, affecting the transmission accuracy of the hydraulic system, reducing the quality of work of the components.

2, the oil viscosity decreases: injection molding machine temperature of the oil viscosity decreases, the increase in leakage, the efficiency of the entire system and the volumetric efficiency of this pump will be significantly reduced. As the oil viscosity decreases, and the oil film becomes thin broken cut spool can be moving parts such as increased frictional resistance, which leads to increased wear.

3, seal deformation: If the temperature of the injection molding machine is high, it is easy to make the workpiece deformation, thus reducing the seal, and then reduce the service life.

4, oil deterioration: If the temperature is too high back to make the oil accelerate the expiration date, and asphalt and other substances, and make the life of the hydraulic oil reduced.

5, resulting in the deterioration of the quality of the working parts: injection molding machine temperature will cause excessive deterioration of the quality of the working components, dissolved in the oil to escape the air, cavitation, thus leading to a reduction in the performance of the hydraulic system.