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How to maintain and care for the mold?
Release time:2023-09-08
How to maintain and care for the mold?
1: The mold must be ground after a long period of use edge, grinding edge surface must be demagnetized, can not be magnetic, otherwise prone to clogging. Mold using enterprises to make detailed records, statistics of its use, care (lubrication, cleaning, rust) and damage, according to which can be found which parts, components have been damaged, the size of the degree of wear and tear, in order to provide the discovery and solve the problem of information material, as well as the mold molding process parameters, the product used in the material, in order to shorten the trial time of the mold to improve the efficiency of production. Should be in the injection molding machine, mold normal operation, test the mold a variety of performance, and will be the final molding of the plastic part size measurement, through this information can determine the existing state of the mold, to find out the cavity, the core, the cooling system and the parting surface and other damage, according to the information provided by the plastic parts, you can determine the damage state of the mold as well as maintenance measures.
2: springs and other elastic parts in the use of the spring is most likely to be damaged, usually fracture and deformation phenomenon. The approach taken is to replace, in the replacement process must pay attention to the specifications and models of the spring, spring specifications and models through the color, outer diameter and length of the three items to confirm that only in the case of the three are the same can be replaced. Spring to import quality is preferred.
3: mold use in the process of punches are prone to break, bend and chew bad phenomenon, punching sleeve is generally chewed bad. Damage to the punch and punch sleeve are generally replaced with parts of the same specifications. The parameters of the punch are mainly the size of the working part, the size of the mounting part, the length size and so on.
4: fastening parts, check whether the fastening parts are loose, damaged phenomenon, the approach taken is to find the same specifications of the parts for replacement.
5: Pressure parts such as pressure plate, Yuli glue, etc., unloading parts such as stripping plate, pneumatic top material, etc.. Maintenance to check the parts of the accessories relationship and there is no damage to the damaged part of the repair, pneumatic ejector check for air leakage phenomenon, and take measures for the specific situation. If the air tube is damaged, replace it.
To several important parts of the mold to focus on tracking and testing: ejector, guiding parts of the role is to ensure that the mold opening and closing movement and plastic parts ejection, if any part of which is stuck due to damage, will lead to production stoppage, so it should be often to keep the mold ejector, guide column lubrication (to choose the most suitable lubricant), and regularly check the ejector, guide column, etc. Whether the deformation and surface damage occurs, once found, it is necessary to replace in a timely manner;
After the completion of a production cycle, the mold working surface, movement, guiding parts coated with professional anti-rust oil, especially should pay attention to with gears, rack and pinion mold bearing parts and spring mold elastic strength of the protection to ensure that it is always in the best working condition;
With the production time continues, the cooling channel is easy to deposit scale, rust, silt and algae, etc., so that the cooling runner cross-section becomes smaller, the cooling channel becomes narrower, greatly reducing the heat exchange rate between the coolant and the mold, increasing the production cost of the enterprise, so the cleaning of the runner should pay attention to;
For hot runner molds, heating and control system maintenance is conducive to prevent the occurrence of production failure, so it is particularly important.
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