of processing

Polycarbonate(PC) is a typical material used widely in mobile phone shell.

聚碳酸酯(PC)是手机外壳常用材料,它是一种综合性能优异的热塑性工程塑料,具有较高的回收价值。

Polycarbonate (PC) is a typical material used widely in mobile phone shell.

聚碳酸酯(PC)是手机外壳常用材料,它是一种综合性能优良的工程塑料。

Magnesium alloy mobile telephone shell were produced in dies designed by ourselves.

本文以AZ31B镁合金手机外壳的冲压模具设计和在普通机械式锻压机床上的冲压生产为例,对AZ31B镁合金冲压成形过程中的板材制备、冲压模具设计、模具及板材的温度、冲压变形速度、润滑剂的选用等关键技术做了较为系统的实验研究。

Based on the design of the punching die for and manufacture of AZ31B magnesium alloy mobile telephone shell in common mechanic forging press,a relatively systematic experimental study was carried out on the key technology of the stamping forming of AZ31B magnesium alloy.

以AZ31B镁合金手机外壳冲模设计和在普通机械式锻压机上的冲压生产为例,对AZ31B镁合金冲压成形过程中的板料制备、冲模设计、模具及板料的温度、冲压变形速度、润滑剂的选用等关键技术作了较为系统的实验研究。

The blanking technology and die structure are both analyzed and confirmed according to the characters of motor shell, as the result, the problems like material thinning and wrinkling are solved.

根据电机外壳的特点,分析、确定落料的工艺和模具结构,解决落料件的材料变薄和起皱等问题。

This article summarizes the major techniques of prevention and treatment of auto exhaust,introduces the achievements in in-engine purification,out-engine purification and auto fuel alternatives.

本文综述了近年来汽车尾气污染预防与治理的基本技术 ,介绍了国内外在机内净化、机外净化和替代燃料技术三方面的研究成果 ,着重探讨了汽车尾气催化净化技术和替代燃料技术的发展现状 ,展望了汽车尾气污染控制技术的发展方向。