塑料成型工艺与模具设计试题及答案2一、填空题1(在注射成型中应控制合理的温度,即控制料筒、喷嘴和模具温度。
2(根据塑料的特性和使用要求,塑件需进行塑后处理,常进行退火和调质处理。
3(塑料模具的组成零件按其用途可以分为成型零件与结构零件两大类。
4(在注射成型时为了便于塑件的脱模,在一般情况下,使塑件在开模时留在动模上。
5(塑料一般是由树脂和添加剂组成。
6(塑料注射模主要用来成型热塑性塑料件。
压缩成型主要用来热固性塑料件。
成型7(排气是塑件成型的需要,引气是塑件脱模的需要。
8(注射模的浇注系统有主流道、分流道、浇口、冷料穴等组成。
9(凹模其形式有整体式和组合式两种类型。
10(导向机构的形式主要有导柱导向和锥面定位两种。
11(树脂分为天然树脂和合成树脂。
12(注射模塑最主要的工艺条件,即“三要素”是压力、时间和温度。
二、单选题1. 卧式注射机SX-Z-63/50中的50表示锁模力为( D )33cmcmA、500 B、50 C、50kN D、500kN2.注射机料筒温度的分布原则是什么 ( A ) is an effective shortcut to scientific and technological innovation. To active exploration "research" joint innovation of path, through joint development, andtechnology cooperation, variety form, will University Hospital by of hi-tech results in I County for into, formed reality productivity; torelies on technology cooperation led economic structure upgrade, aroundI County industry layout, active docking University, and researchhospital by, hi-tech research results, with external think tank, speedup transformation upgrade chemical, and mechanical, traditional industry, speed up life paper, and food, and textile, and mechanical tool, new products development, and technology development, and New process innovation, promoted related industry by single products to diversified extends, by General products to high-end products extends, promoted industry expanded capacity, and upgrade grade, nine Xin day of in cosmetics industry has near ten years of accumulation, and Nanjing Institute cooperation for industry upgrade, both joint development of "Chinese God SOAP", take "micro-business" mode for letter sale, products innovation and sales mode innovation are brings has good of benefits; toA、前高后低B、前后均匀C、后端应为常温D、前端应为常温3(热塑性塑料在常温下,呈坚硬固态属于( A )A、玻璃态B、高弹态C、粘流态D、气态4(下列不属于塑料模失效形式的是( D )A、变形B、断裂C、磨损D、冷却5(凹模是成型塑件(B )的成型零件A、内表面B、外表面C、上端面D、下端面6(球头铣刀主要用于加工塑料模具零件中的( D )内容A、大平面B、孔C、键槽D、轮廓7(下列不属于注射模导向机构的是( D )A、导柱B、导套C、导向孔D、推杆8(主流道一般位于模具中心位置,它与注射机的喷嘴轴心线( D )A、垂直B、相交C、相切D、重合9(下列不属于推出机构零件的是( C )cooperation for industry upgrade, both joint development of "Chinese God SOAP", take "microcapacity, and upgrade grade, nine Xin day of in cosmetics industry has near ten years of accumulation, and Nanjing Institute end products extends, promoted industry expanded -d industry by single products to diversified extends, by General products to highxtile, and mechanical tool, new products development, and technology development, and New process innovation, promoted relatery, speed uplife paper, and food, and tetech research results, with external think tank, speed up transformation upgrade chemical, and mechanical, traditional indust-around I County industry layout, active docking University, and research hospital by, hi grade,tech results in I County for into, formed reality productivity; to relies on technology cooperation led economic structure up-t innovation of path, throughjoint development, and technology cooperation, variety form, will University Hospital by of hiis an effective shortcut to scientific and technological innovation. To active exploration "research" joinsinnovation and sales mode innovation are brings has good of benefits; tobusiness" mode for letter sale, product-2HKA、推杆B、复位杆C、型芯D、推板10(压缩模具中凸模的结构形式多数是( B )的,以便于加工制造。