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EspañolPolishing treatment is one of the important steps in Engine Mold surface treatment, aiming to improve the smoothness, precision and beauty of the mold surface. Polishing can eliminate defects caused by cutting, sandblasting and other processes, improve surface quality, and improve the overall performance of the mold.
Surface inspection and preparation:
Surface inspection: Before polishing, a surface inspection must be performed to identify possible defects such as scratches, oxide layers, pits, etc. This helps determine the focus areas for polishing and the appropriate polishing process.
Surface preparation: Surface preparation includes cleaning and removing residual cutting oil, residue, dirt, etc. from the surface. A clean surface helps ensure uniform polishing results, reduces wear, and improves the stability of the polishing process.
Coarse grinding:
Select abrasives: Rough grinding is the first stage of polishing, and usually uses larger-grained abrasive materials, such as abrasive belts, grinding wheels, etc. Selecting the appropriate abrasive depends on the mold material and the desired polishing effect.
Rough grinding tools: Rough grinding can be done by hand grinding, mechanical grinding or CNC grinding equipment. In the polishing process of Engine Mold, a CNC polishing machine is usually used to achieve uniform grinding of the mold surface by setting parameters.
Medium grinding treatment:
Medium grinding material: Medium grinding is a more detailed grinding of the mold surface that has been roughly ground. Commonly used medium grinding materials include diamond grinding wheels, alumina grinding powder, etc. These materials can produce a smoother surface.
Intermediate grinding tools: In the intermediate grinding stage, a CNC polishing machine can also be used to further grind the mold surface and remove defects by selecting the appropriate grinding head and adjusting parameters.
Fine polishing:
Choosing a polish: Fine polishing is done to achieve a high degree of finish and surface smoothness, usually using a polish. Polishing agents can include fine particles such as aluminum oxide, iron oxide, silica sand, and polishing paste.
Polishing process: The fine polishing stage requires more meticulous operations, usually using hand tools such as polishing cloths and polishing felts, or using specially designed CNC polishing equipment. In the polishing process, parameters such as the concentration of the polishing agent, movement speed, and polishing pressure need to be controlled to ensure that the surface is treated evenly and brightly.
Cleaning and inspection:
Cleaning: After finishing the polishing process, the mold must be thoroughly cleaned to remove polishing compounds, abrasive particles and other residues. The quality of cleaning is directly related to the final surface quality of the mold.
Inspection: Perform a final surface inspection to ensure that the finish meets design and quality standards. The focus of the inspection includes surface finish, flatness, defects, etc.
