Injection mold is a common mold, polishing quality requirements and products are closely related to the scope of application. Therefore should understand the injection mold parts surface polishing requirements.
1) The inner surface of injection mold parts is usually not polished except for transparent parts. However, knife marks and spark marks are not allowed on the surface of mold cavity. The roughness of die surface directly affects the roughness of plastic part surface. The polishing has the ordinary polishing glossy surface and the mirror polishing. The roughness Ra of ordinary polishing is 0.2~0.4m, the gloss is 0.08~0.14m, and the mirror polishing is 0.02~0.04m. Mirror polishing is mainly used to produce the molding surface of transparent plastic parts.
2) The surface roughness level of plastic mold parts is required to be high, and its surface roughness should be within a certain range. Therefore, it is important for the users and the mould factory to formulate the surface roughness specification of the mould parts and to stipulate the processing method.
About PTJMould Industrial Company Limited
PTJmould is a China mold maker of plastic molds- injection mold, die casting moulds, plastic blow molding, rotational molding, medical plastic injection molding, two shot plastic injection molding, insert molding, overmolding, metal injection molding, micro injection molding, powder injection molding, ceramic injection molding, liquid injection molding, husky injection molding, household mold, casting mold, die mold tool, custom molds, china moulds, rapid prototyping tooling, plastic prototyping tooling, punch press tooling, die and tooling for mobile/ cell phone parts, automotive parts, vacuum cleaners, rechargeable tools, telephones, copiers, computers, multimedia speakers, and many other electronic products and household appliances. And also a plastic product manufacturer, mold manufacturer China– plastic parts, plastic water tank, plastic balls, plastic containers, plastic buckle, plastic anchor, plastic hanger, plastic spoon, plastic pipe fitting, plastic tumble, plastic tableware, plastic cups, plastic bottles, plastic tray, plastic cosmetic container, plastic case, plastic food container, plastic chairs, plastic caps, plastic cap closure, plastic tubes, plastic water pipes, plastic knobs, plastic tubing, plastic utility boxes, plastic racks and so on.
Link to this article：Surface polishing requirements for injection mold parts
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