塑料模具的發(fā)展外文翻譯-模具設(shè)計(jì)(已修改)
2025-02-04 08:54 本頁(yè)面
【正文】 1 The development of plastic mould China39。s industrial plastic moulds from the start to now, after more than half a century, there has been great development, mold levels have been greatly enhanced. Mould has been at large can produce 48inch bigscreen color TV Molded Case injection mold, kg capacity washing machine full of plastic molds, as well as the overall car bumpers and dashboards, and other plastic mould precision plastic molds, the camera is capable of producing plastic mould , multicavity mold small modulus gear and molding mold. Such as Tianjin and Yantai days Electrical Co., Ltd Polaris IK Co. manufactured multicavity mold VCD and DVD gear, the gear production of such size precision plastic parts, coaxial, beating requirements have reached a similar foreign the level of product, but also the application of the latest gear design software to correct contraction as a result of the molding profile error to the standard involute requirements. Production can only mm thickness of a twocavity mold and the air Cup difficulty of plastic doors and windows out of high modulus, and so on. Model cavity injection molding manufacturing accuracy of to mm, surface roughness μ m, mold quality, and significantly increase life expectancy, nonhardening steel mould life up to 10 ~ 30 million, hardening steel form up to 50 ~ 10 million times, shorten the delivery time than before, but still higher than abroad, and the gap between a specific data table. Process, the multimaterial plastic molding die, efficient multicolor injection mould, inserts exchange structure and core pulling Stripping the innovative design has also made great progress. Gasassisted injection molding, the use of more mature technologies, such as Qingdao Hisense Co., 2 Ltd., Tianjin factory munications and broadcasting panies, such as mold manufacturers succeeded in 29 ~ 34inch TV thickwalled shell, as well as some parts on the use of gasassisted mould technology Some manufacturers also use the CMOLD gasassisted software and achieved better results. Prescott, such as Shanghai, such as the new pany will provide users with gasassisted molding equipment and technology. Began promoting hot runner mold, and some plants use rate of more than 20 percent, the general heatthermal hot runner, or device, a small number of units with the world39。s advanced level of rigorous hot runnerneedle device, a small number of units with World advanced level of rigorous needlehot runner mould. However, the use of hot runner overall rate of less than 10%, with overseas pared to 50 ~ 80%, the gap larger. In the manufacturing technology, CAD / CAM / CAE technology on the level of application of a new level to the enterprise for the production of household appliances representatives have introduced
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