介绍了精密注射成型的特点，阐述了精密注射模排气系统的各种设计方法 ，特别是分型面上排气槽的开设原则和设计工艺参数。
New injection molding technologies including precision injection molding technology are developing with the requirements of high quality of injection molding parts.
如果排气口的确存在，尺寸合适并且干净，那么减少锁模力会有助于排气，并使注塑更快。
If vents do exist, and they are properly sized and clean, then reducing the locking force can help with venting and enable faster injection time.
分析了用消失模涂料透气性评价实际涂层排气能力时的局限性。
The coating permeability in evaluating gas exhausting ability of actual coating wafer is indirect and limited in lost foam casting.
针对注射模中镶件需要分割开，必须在充分考虑加工性能、更换的便利性、排气方便的基础上进行分割。
Aimed at inserts need to be cutted in injection mold, WEDM must be arranged on the basis of considering processing performance, the convenience in changing, and drawing out the gas.
研究了注射模各种型腔排气系统的设计原则、要点、结构及其应用范围和优点。
The design principle and key points, mould structure and range of application were researched as well.
本发明涉及具有排气通道的焊料模及其形成和使用方法。
The present invention relates to a solder mold with ventilation channels, a method for forming the solder mold, and a method for using the solder mold.
多余的锁模力，可能让模具无法“呼吸”或排气，周期超时等，对模具分模线的挤压。
Heaping on the clamp force, makes the mold harder to "breathe" or vent, and over time, can permanently hob closed the vents on the parting line.
多余的锁模力，可能让模具无法“呼吸”或排气，周期超时等，对模具分模线的挤压。
Heaping on the clamp force, makes the mold harder to "breathe" or vent, and over time, can permanently hob closed the vents on the parting line.
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