Injection pressure: up to 1500bar Holding pressure: up to 1000bar Injection speed: In order to avoid material degradation, generally use a considerable injection speed.
注射速度:在满足充模的情况下,一般宜低,最好能采用慢-快-慢多级注射;.
Injection speed: In the case of satisfying filling mode, generally low, preferably slow-fast-slow multi-stage injection;.
注射速度:在满足填充模式的情况下,通常较低,优选慢-快-慢多级注射;
Injection speed: In the case of satisfying filling mode, generally low, preferably slow-fast-slow multi-stage injection;.
因此,模具温度、压力、注射速度和冷却时间的调整也可以改变塑料零件的收缩。
Therefore, adjusting mold temperature, pressure, injection speed, and cooling time during molding can also change the contraction of plastic parts.
注射速度:在满足充模的情况下,一般宜低,最好能采用慢-快-慢多级注射;.
Injection speed: under the condition of satisfying filling mold, generally low, good can use slow one fast one slow multi-stage injection;.
注射速度:在满足充模的情况下,一般宜低,最好能采用慢-快-慢多级注射;.
Injection speed: In the case of filling the mold, it should be generally low, it is best to use slow-fast-slow multi-stage injection;.
注射速度:应使用尽可能快的注射速度(因为PBT的凝固很快)。
Injection Speed Fastest possible speeds should be used(due to fast solidification of PBTs).
故应在保证塑件表面质量的前提下采用较低的注射速度,通常为1.8~3.5m/min。
It should ensure that the quality ofplastic parts under the premise of the use of lower injection speed, usually 1.8~ 3.5m/ min.
这些因素包括注射周期的改变、注射速度、熔化温度和室温。
These factors include changes in injection cycle, injection speed, melting temperature, and room temperature.
ABS料采用中高速度等注射速度啤货效果较好。
(4) ABS material adopts high speed and other injection speeds and the effect of beer is better.
问题解决方案:应该降低注射速度,减少滞留时间。
Problem Solution: The injection speed should be reduced and the residence time should be reduced.
一般来说,注射速度快,可以防止注射时过早凝固。
The injection speed is generally fast, which can prevent premature coagulation during injection..
当注射速度低时,蘸料容易出现波纹和其他缺陷。
When the injection speed is low,the dips are prone to ripples and other defects.
一般来说,注射速度快,可以防止注射时过早凝固。
Generally, the injection speed is fast, which prevents premature coagulation during injection..
流动性差造成的气泡,可通过提高树脂及模具的温度、提高注射速度予以解决。
The bubbles caused by poor fluidity can be solved by increasing the temperature of resin andmould and the injection speed.
流动性差造成的气泡,可通过提高树脂及模具的温度、提高注射速度予以解决。
(3) Bubbles caused by poor fluidity can be solved by increasing the temperature of the resin and the mold andincreasing the injection speed.
Then, in 1946, American inventor James Watson Hendry built the first extrusion-screw injection machine,which gave much better control over injection speed and quality.
Based on experience, preliminarily set the amount of plasticizing,injection pressure limit, injection speed, cooling time and screw speed and other parameters, and appropriate optimization.
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