对于任何模具，都有一个最优充模时间。
图1显示了充模时间和压力之间的关系。
Fig 1 shows a typical relationship between filling time and pressure to fill.
振动力场的引入，有利于缩短充模时间，提高瞬态模腔压力。
Introduction of vibration force field is beneficial to shorten, filling time and increase transient cavity pressure.
如果一个模具的充模时间超过3秒，就应该花点时间研究它了。
If a mold takes longer than 3 seconds to fill it should be investigated.
提出了较准确的树脂流动速度、树脂充模时间和树脂流动压力计算方程。
Several formulations related to the resin velocity, resin filling time and resin flow pressure were proposed accurately.
它对充模时间和树脂流动方式有重要影响，因而影响到工艺的效率和产品质量。
It has a great impact on mold filling time and resin flow pattern, thus affects the process efficiency and product quality.
研究得出注射压力及渗透率与工艺充模时间的定量反比关系，以及树脂粘度与充模时间的的定量线性关系。
The quantitative linear relationship between resin viscosity and filling time is also analyzed. The influences of injection gate design are discussed in the research.
以带圆孔的长方形为例，模拟比较了不同网格密度和注入口位置对充模时间、流动前沿以及干点形成区域的影响。
Flow front, filling time and dry spot were simulated and analyzed through comparing different mesh density and injection location such as the shape of the rectangle with hole.
建立了基于欧拉方法描述树脂传递模塑(rtm)工艺充模过程的基本数学方程，并采用有限元隐式时间积分方法对基本方程进行了数值求解。
A mathematical equation described by Euler method for simulating RTM process is established, and a finite element method with implicit time integration is used to solve this equation.
具有短路径的小部件充模较快，只有那些很厚的部件或者路径长度超过500MM的部件才需要超过3秒的时间充模。
Small parts with short flow lengths will fill quicker but only very thick parts or those with flow lengths more than 500mm will need to be filled for more than 3 seconds.
考察熔体注射温度、注射时间、入口位置、材料性质对充模过程的影响，得到优化充模结果；还考察了气体辅助注塑过程熔体预注射量、气体注射压力对充模过程的影响。
The influences of melt injection temperature, injection time, gate location and materials property on the filling process were studied and the reasonable results were attained.
考察熔体注射温度、注射时间、入口位置、材料性质对充模过程的影响，得到优化充模结果；还考察了气体辅助注塑过程熔体预注射量、气体注射压力对充模过程的影响。
The influences of melt injection temperature, injection time, gate location and materials property on the filling process were studied and the reasonable results were attained.
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