The injection molding technique, after-treating technique and ultrasonic welding technique of PPS products are described in detail.
重点阐述了PP S制品的注塑工艺、后处理工艺以及超声波焊接工艺。
2
About the production technology, from mechanical processing, injection molding, pressing, panel beating, welding till assembly, test, all of them have a complete set of processes.
生产技术方面，从机械加工、注塑、冲压、钣金、焊接到总装、试验，都具有一套完事的工艺流程。
3
The reinforcement cage for each injection pile consists of several parts linked together through welding.