1. The Plastic Mould Factory should focus on tracking and testing several important parts of the mould: the function of ejection and guide parts is to ensure the mould opening and closing movement and ejection of plastic parts. If any part is stuck due to damage, production will be stopped, so the lubrication of the ejector pins and guide posts should be kept frequently (the most suitable lubricant should be selected), and whether the ejector pins and guide posts are deformed and surface damaged should be checked regularly. Once found, they should be replaced in time.
2. The plastic mould factory should test the various performances of the mould under the normal operation of the injection moulding machine and mould, and measure the size of the finally formed plastic parts. Through this information, the existing state of the mould can be determined, and the damage of the cavity, core, cooling system and parting surface can be found out. According to the information provided by the plastic parts, the damage state and maintenance measures of the mould can be judged.
3. The plastic mould factory should first equip each pair of moulds with a history card, in which the usage, care (lubrication, cleaning, rust prevention) and damage of the injection mould are recorded in detail, so as to find out which parts and components of the mould have been damaged and the degree of wear, so as to provide information materials for finding and solving problems, as well as the moulding process parameters of the mould and materials used for products, so as to shorten the test run time of the mould and improve the production efficiency of the injection mould.
4. Pay attention to the surface maintenance of mould, which directly affects the surface quality of products, with emphasis on preventing corrosion. Therefore, it is particularly important to choose a suitable, high-quality and professional antirust oil. After the mould completes the production task, different methods should be taken to carefully remove the residual injection moulding according to different injection moulding. Copper rods, copper wires and professional mould cleaning agents can be used to remove the residual injection moulding and other deposits in the mould, and then air-dried. It is forbidden to clean hard objects such as iron wires and steel bars to avoid scratching the surface. If there are rust spots caused by corrosive injection moulding, use a grinder for grinding and polishing, spray professional antirust oil, and then store the mould in a dry, cool and dust-free place.
A well-maintained injection mould can shorten the assembly and commissioning time of injection mould, reduce production failures, make production run smoothly, ensure product quality, reduce waste loss, and reduce the operating cost and fixed assets investment of the factory. When the next production cycle starts, the factory can successfully produce qualified products. Therefore, for the plastic mould factory, in the current fierce market competition, it is the basic requirement to do a good job of maintaining the injection mould and enhance the market competitiveness of the factory.
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