What are the hazards of causing the injection molding machine to overheat? Injection molding machine is the most widely used processing machine in the plastic processing industry. Not only can a large number of products be directly produced by injection molding machine, but also it is the key equipment for forming the injection, drawing and blowing process. During the injection molding process, many enterprises will find that the injection molding machine has a high temperature rise, which actually does great harm to the injection molding machine equipment. Next, Liansheng injection molding machine manufacturer will take you to understand.

1、 Cause the shape of rubber seal to change

Too high temperature saving of injection molding machine will cause deformation of rubber seals, accelerate aging failure, reduce sealing performance and lead to use time, and cause leakage.

2、 Cause the working quality of components to decline

If the temperature of the injection molding machine rises too high, the working quality of the components will be reduced, the dissolved air in the oil will escape, and cavitation will occur, which will lead to the reduction of the working performance of the hydraulic system.

3、 Cause thermal deformation of machinery

The moving element with different thermal expansion coefficient in the hydraulic element becomes stuck due to its smaller cooperation on probation, which causes action failure, affects the transmission accuracy of the hydraulic system, and leads to poor working quality of the element.

4、 Cause the viscosity of oil to decrease

If the temperature of the injection molding machine is too high, the viscosity of the oil will drop, the leakage will become more, and the volumetric efficiency of the pump and the efficiency of the whole system will decline significantly. Because the viscosity of the oil decreases, the oil film of moving elements such as slide valve becomes thin and cut, and the friction resistance increases, leading to increased wear.

5、 Accelerate oil oxidation deterioration

If the temperature of the injection molding machine rises too high, it will accelerate the oxidation and deterioration of the oil, release asphalt substances, and reduce the lead time of hydraulic oil. The precipitates block the damping orifice and the slit valve port, causing the pressure valve to be stuck and unable to act, the metal pipeline to stretch and bend, or even break.