Cleaning is a key process in the maintenance of graphite moulds, and it is also a bottleneck restricting the maintenance of graphite moulds. Because the graphite mould manufacturing and development speed is much faster than the graphite mould cleaning speed, and the graphite mould is ready for the next production immediately after the rapid cleaning, which limite the graphite mould’s cleaning time. So here with some important dos and don’ts.
Systematic maintenance of graphite moulds is based on the continuity of maintenance requirements and maintenance operations. In order to achieve the “cost-effectiveness” goal, clean graphite moulds must pay attention to: develop a detailed graphite mould cleaning plan. When the different parts of the graphite mould are cleaned, such as the internal cleaning of the press, the edgewise wiping, the regular cleaning, and the main part cleaning, the cleaning operation methods used are also different.
After the graphite mould has run for a certain period of time and has undergone appearance tests such as plating wear, track marks, and graphite mould residue content in the vent and non-vent hole areas, the technician can determine the graphite mould‘s cleaning procedure and frequency by visual inspection. Therefore, it is very important to understand the cycle of the safe operation of the graphite mould and to archive the observations of the accumulation and wear of the residue in the graphite mould.
Based on the graphite mould has a certain period of operation, all graphite moulds should be accompanied by relevant maintenance procedures and maintenance cycle documentation. In general, the control of internal grease levels and gear broaching, sliders, internal pins and bushings, and other moving parts are the key to stable production. Other factors affecting production include the contamination or plugging of water lines and sprinkler outlets, leakage of manifolds, and rust and corrosion caused by water leakage or condensation.
