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The dangers of injection molding machine high temperature rise

by:Hisson     2020-10-19
In everyday use in the process of the injection molding machine, injection molding machine use time process, can cause temperature rise too high. So, injection molding machine high temperature rise will have what kind of harm? By the next analysis for everybody. ( 1) Make the machinery to produce thermal deformation, thermal expansion coefficient of different moving parts in hydraulic components due to its smaller fit clearance and stuck, cause action failure, affect the hydraulic system of transmission precision, deterioration in quality parts work. ( 2) Make the oil viscosity is reduced, leakage increase, the volume of the pump efficiency and the efficiency of the whole system will be significantly reduced. As a result of the oil viscosity is reduced, valve and other moving parts of the oil film thinning and cut broken, frictional resistance increases, lead to wear and tear. ( 3) Make the deformation of rubber seals, accelerated aging failure, reduce the sealing performance and using life, cause leakage. ( 4) Accelerate the oil oxidation and precipitation asphalt material, reduce the service life of hydraulic oil. Precipitates jam the damping holes and cracks type valve, causing pressure valve stuck and cannot move, metal pipeline elongation and bending, and even rupture. ( 5) Reduce oil separation of air pressure, air dissolved in transformer oil escape, produce cavitation, the working performance of hydraulic system. Injection molding machine high temperature processing method ( 1) According to different load requirements, check and adjust the pressure relief valve, make it right. ( 2) Choose the hydraulic oil, especially oil viscosity, in conditions allow, as far as possible with lower viscosity in order to reduce viscosity friction loss. ( 3) Improve the lubrication conditions of moving parts, in order to reduce friction loss, is helpful to reduce the work load, reduce fever. ( 4) Improve the assembly quality of hydraulic components and hydraulic system and its accuracy, strictly control the mating parts fit clearance and improve the lubrication conditions. USES the friction coefficient of sealing materials and improving the seal structure, reduce the starting force of hydraulic cylinder, as far as possible in order to reduce the heat generated by the mechanical friction loss. ( 5) When it is necessary to add cooling device in the end, points out that when we use the injection molding machine, each in due time to rest injection molding machine downtime, such ability more protection of injection molding machine, also can let the life of the injection molding machine use increase greatly.
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