英语翻译The reason for these results is the 950-bar packing pressure.This high pressure was the cause of higher melting temperature and increased cooling time for plastic part.Because of this,determination of optimal melt temperature is necessary

英语翻译The reason for these results is the 950-bar packing pressure.This high pressure was the cause of higher melting temperature and increased cooling time for plastic part.Because of this,determination of optimal melt temperature is necessary
英语翻译
The reason for these results is the 950-bar packing pressure.This high pressure was the cause of higher melting temperature and increased cooling time for plastic part.Because of this,determination of optimal melt temperature is necessary to obtain acceptable part quality.Similar variation behavior was observed from the error of roundness of molded parts.The error of roundness is a kind of warpage defects.Hence,the temperature of the part is high because of the high value of temperature inside the mold,but after the ejection process,the hot part cools sharply in the room temperature and this sharp temperature change increases the error of roundness of parts.Although variation direction is opposite of shrinkage and error of roundness,the second considerable result from this study is that similar inclination behavior can be observed from the measurements of cavity pressure (Fig.13).Yet,when the melt temperature was increased,the mold temperature also increases.The relationship between the melt temperature and mold temperature can be inevitable,though description of the behavior of the cavity pressure in this case is not easy because in plastic injection molding,there are so many parameters which may influence cavity conditions or quality of parts.However,on the other perspective,these results show that the cavity pressure has a dominant effect on the amount of shrinkage and error of roundness that occurs.

英语翻译The reason for these results is the 950-bar packing pressure.This high pressure was the cause of higher melting temperature and increased cooling time for plastic part.Because of this,determination of optimal melt temperature is necessary
对于这些结果的原因是950杆包装的压力.这种高压力较高的熔融温度,增加冷却造成塑料的一部分时间.正因为如此,最优熔化温度的测定,要获得可接受的零件质量.类似的变化,观察到的行为的塑造圆度误差的圆度parts.The错误是一种翘曲缺陷.因此,该部分的温度是由于模具内的温度高值高,但在弹射过程中,部分热急剧降温,在常温下急剧温度变化,这增加了零件的圆度误差.虽然变化方向是收缩和圆度误差相反,第二个从这项研究结果是相当类似倾向的行为可以从腔压力（图13）测量观察.然而,当熔体温度的升高,模具的温度也随之增加.之间的熔体温度和模具温度的关系可以不可避免的,虽然是在这种情况下腔压力行为的描述,是不是因为在注塑成型容易,有那么多的参数,可能影响腔条件或零件质量.然而,在其他的角度来看,这些结果表明,上腔压力的收缩和圆度误差量发生显着效果.

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