Preventive maintenance and maintenance of injection molding machine - injection molding machine, maintenance, maintenance - the plastics industry

Injection molding machine Plastic processing industry in one of commonly used equipment, usually it is to work long hours, so how to ensure continuous production of injection molding machine in the normal stability, both for injection machine manufacturers or users are worth attention and efforts to resolve problems, the user point of view, the correct selection of the premise of injection machines, regular preventive maintenance is to protect the injection machine to work in an effective way. The so-called preventive maintenance is a series of prevention and inspection, in order to avoid machine breakdowns, extend the working life of some components, such as sudden shutdown caused by the failure to foresee and to plan for downtime to repair or overhaul; timely find and replace the damaged parts to prevent damage to other chain is the purpose of preventive maintenance work.

1, preventive maintenance (A), hydraulic parts 1. Hydraulic oil Fuel shortage will lead to increased oil temperature easily, easy to dissolve the oil in the air affect the oil and hydraulic systems work properly, fuel shortage is usually caused by leakage or loss of repair, this routine check should be aware the site does not leak, early replacement of worn seals, tighten loose joints, etc., after repairs to check the fuel tank and timely supply.

2. Hydraulic oil temperature Hydraulic system of the ideal temperature should be between between 45 -50 because the hydraulic system is based on a selected pressure to the oil viscosity and design, but the viscosity will change with the level of oil temperature, thereby affecting the work of the system components, such as cylinders, hydraulic valves, so that control accuracy and response sensitivity decreased precision injection machine for the run. While high temperature will accelerate the aging of sealing make it harden, break-ups; temperature is too low, the processing energy consumption, to reduce the operating speed. Therefore, pay close attention to the work of the hydraulic oil temperature is very necessary. High oil temperature varied, but most attributed to oil line failure or cooling system to malfunction.

3. Hydraulic oily quality One of the important properties of hydraulic oils is their chemical stability, that is, oxidation stability. Oxidation is to determine the service life of hydraulic oil and the most important factor in oxidation of wood tar, sludge and carbon residue and other insoluble materials will pollute the hydraulic system, and increase the wear of hydraulic components, reduce a variety of gaps, plug holes, the final result hydraulic system failure. The oxidation rate depends on the hydraulic oil itself and the working conditions and other factors, of which temperature is one of the major factors, therefore the right to use hydraulic oil and hydraulic oil regularly check the degree of oxidation (the color of the switch from oil to judge depth and ), more than a certain number of working hours after the oil change initiative is essential.

4. Filter cleaning Oil filter plays the role of clean hydraulic oil, the oil filter should be cleaned once every three months to keep the oil Ga suction pipe flow, and check the oil network has been damaged.

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