我们公司另一套结构工程师笔试题:
一:(1)请简述常用的塑胶材料的名称,代号及其性能特点。
(2)请简述常用的塑胶模具钢材的名称,代号及其性能特点。
二:(1)请简述塑胶件的注塑成型过程。
(2)锁模力是何含义?
(3)斜顶的行程如何确定?
三:如何减少五金落料件的毛刺?试从模具结构及成型工艺的角度回答此问题。
四:请问Pro-e中Redefine, Reroute, Reorder, insert mode 命令各在何种场合使用?
五:你所知道的安规(长城,UL,TUV等)对结构设计的要求有哪些?
六:请翻译成中文:
Packing Packaging shall be adequate to provide protection for the UPS against damage, breakage or loss during shipment and shall be of a type not destroyed by opening. The packing shall also be capable of withstanding multiple shipments without breaking. The foam packing material shall be on the outside of the plastic bag. Operator’s handbook, communications cable, Software CD and manual, warranty registration card and 2 ea. (IEC to IEC) power cables HV product only, will be included in the packing container.
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