1: The die must be grinded after a long time use, after grinding the edge surface must be demagnetized, can not have magnetic, otherwise easy to occur blocking material. In order to find out which parts and components have been damaged and the degree of wear, the enterprises should make detailed records and statistics of their use, care (lubrication, cleaning, rust prevention) and damage, so as to provide information for finding and solving problems, and the molding process parameters of the mould and the materials used for the products, so as to shorten the trial run time of the mould and improve the production efficiency. Should in the 注塑機, the mold normal operation situation, the test mold each kind of performance, and finally forms the plastic part size to measure out, through these information may determine the mold the present condition, find out the damage of cavity, core, cooling system and parting surface, according to the information provided by the plastic parts, we can judge the mold damage status and maintenance measures.
2: Spring and other elastic parts in the use of the process of the spring is most vulnerable to damage, usually fracture and deformation. The method is to replace, in the replacement process must pay attention to the spring specifications and models, spring specifications and models through the color, diameter and length of three to confirm, only in the case of the same three can be replaced. The quality of the imported spring is preferred.
3: Die Use in the process of punch prone to break, bending and gnawing phenomenon, punch set is generally gnawing. The damage of punch and punch sleeve is usually replaced by parts of the same specification. The parameters of punch mainly include working part size, mounting part size, length size and so on.
4: Fastening Parts, check whether the fastening parts loose, damaged phenomenon, to take the approach is to find the same specifications of parts for replacement.
5: Pressing parts such as pressing plate, super glue, unloading parts such as stripping plate, pneumatic EJECTOR, 等. . Maintenance of the parts of the relationship and check whether there is damage, repair of the damaged parts, pneumatic top material to check whether there is leakage, and take measures for the specific situation. If the trachea is damaged, replace it. Several important parts of the mold to focus on tracking detection: Ejection, guide parts to ensure that the role of the mold opening and closing movement and plastic parts ejection, if any part because of damage and stuck, will lead to stop production, therefore, we should always keep the lubrication of the ejector pin and guide pillar of the mould (the most suitable lubricant should be chosen) , and check regularly whether the ejector pin and guide pillar are deformed or damaged on the surface. Once found, they should be replaced in time, in order to protect the elastic strength of the bearing parts of the die with gear and rack and the spring die, special attention should be paid to the protection of the anti-rust oil on the working surface of the die, the moving parts and the guide parts, so as to ensure that they are always in the best working condition With the continuous production time, the cooling passage is easy to deposit scale, rust, silt and algae, which makes the section of cooling passage smaller, the cooling passage narrower, greatly reduces the heat exchange rate between the cooling liquid and the mold, and increases the production cost of the enterprise, therefore, attention should be paid to the cleaning of the runner and the maintenance of the heating and control system is very important to prevent the production failure.
