为了保证微量聚合物熔体的计量和均匀性,结合常规注射成型技术和微注射成型技术的优势,论文提出了一种新的批量成型加工高分子材料微型制品的方法——微分注射成型。在常规注射成型设备中加入微分系统,通过行星齿轮泵作为微分泵实现熔体的分流、输送、增压和计量,在保证成型制品精度的同时,具有塑化效果好、生产效率高的优点。论文介绍了微分注射成型方法的原理和设备构成,并利用CAD/CAE/CAM（计算机辅助设计/工程/制造）技术进行了研究,最终利用加工完成的设备初步实验验证了新方法及设备的可行性。
In order to control metering accuracy and homogeneity of the very small quantities of polymer melt in micro-injection molding （IM） process, and combine the advantages of micro-IM with conventional injection molding, differential injection molding （DIM） method that combines conventional injection molding systems with a separate differential unit has been developed. A planetary gear pump was employed as the differential unit that has functions of melt diffluence, transmission, pressurization and metering in multi-micro molding, then high metering accuracy could be achieved. By using conventional injection molding with reciprocating screw injection systems, better plastication effect and mixing performance can be achieved. The principle and equipment structure have been introduced, computer-aided-design/eomputer-aided-engineering/computer-aided-manufacturing （CAD/CAE/CAM） technique has been used, and previous experiment proves the feasibility of this method and equipment.
参考文献
| [1] | Giboz J;Copponnex T;Mele P .Microinjection molding of thermoplastic polymers: a review[J].Journal of Micromechanics and Microengineering,2007(6):R96-R109. |
| [2] | Steve Hill .Micromoulding - a small injection of technology[J].Materials World,2001(6):24-25. |
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