直接利用激光快速成型的原型树脂模，结合陶瓷型精密铸造技术，制得了高精度、低表面粗糙度、高使用寿命的钢模具。
The steel dies with high dimensional accuracy, low surface roughness and long service life have been quickly produced by using prototyping resin molds as patterns of ceramic investment casting.
成形品是由流入融化树脂的浇口、导入模槽的流道与产品部份所构成。
Molded into the melted resin from the gate, into the flow channel module slot part of the composition of the product.
有时，较低的口模温度会在口模内表面上生成一个冷却的树脂层，这个树脂层慢慢地移出到口模出口，然后与本体料流分离，从而引起积料。
Sometimes lower die temperatures can create a cool layer of resin on the inner surface of the die that creeps slowly to the die exit and then separates from the bulk flow, causing buildup.
方法：使用阴模、阳模转换的方法制作出个性化，并具有方向性的树脂鼻模具。
MethodsUse male die-female die transition method to make individual resin nasal structure which also has with direction.
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.
成型过程中，树脂收缩将会导致部件比原模稍小。
Resin shrinkage during the molding process will result in a part that is smaller than the master model.
具体数值决定于树脂类型和其固有收缩量、玻纤含量、过程温度和原模翻新生产模具的次数。
The exact amount will depend on the type of resin and its inherent shrinkage, the glass content, process temperatures and the number of generations between the master model and the production part.
具有窄分子量分布的树脂会有低的出口膨胀，但这不意味着它一定有较少的口模积料。
Resins with narrow molecular-weight distribution can have lower die swell, but this doesn't necessarily mean less buildup.
该模腔内注入甲基丙烯酸酯类树脂的单体混合物。
A methacrylic resin monomer mixture is filled in the cavity.
本文从纤维缠绕张力、树脂收缩、热应力、芯模等方面探讨了对纤维缠绕复合材料制品收缩变形的影响。
The effect on shrinkage deformation of fibre winding composites were considered by discussing the winding tensile resin thermo-shrinkage stress and the mandrels.
然而，除了制备工艺的困难外，模浇树脂有更广泛的应用范围。
However, apart from the technological difficulties of preparation, casting resins affords a further wide field of application.
树脂传递模封装是广泛使用的可靠性量产性均好的半导体封装方法。
Transfer molding is widely applied in semiconductor packaging technology by itssuperior in mass production and reliability.
树脂基复合材料以其轻质、高强、高模等特性广泛应用于航空航天、海洋工业等领域。
Resin matrix composites is comprehensively used in aerospace and marine industry for its lower density, higher strength and module.
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.
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.
纤维的渗透率是RTM成型工艺的一个重要参数，它对树脂在模腔中的流动状态产生重要影响。
The permeability of glass fiber is one of the important parameters of RTM process which will have influence on the flow of resins in mould.
由此，确立固化树脂和模表面(6)之间的脱模性的评价方法。
Thereby, a method of evaluating releasability between the cured resin and the mold surface (6) is established.
SHELLCV程序包含三角形壳元和矩形壳元两种单元，可以模拟复杂形状三维薄壁构件的RTM制造工艺注模过程，得到任意时刻的树脂流动前峰曲线、压力场分布。
SHELLCV can simulate the process of mould-filling in RTM for the 3d complex shape thin parts and predict the resin flow front advancement and the distribution of pressure field at any instant in time.
此外，若将该高脱模性材料(3)用于上模(1)的模表面(6)，则可以得到具有良好的脱模性的树脂成形模。
Further, if the material with high releasability (3) is used for the mold surface (6) of the upper mold (1), a mold for molding a resin having excellent releasability can be obtained.
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.
分析了PET瓶坯的成型工艺，包括PET树脂的干燥、模具工作部分的温度控制等，阐述了热流道注塑模的结构及工作原理。
The forming technology was analyzed, including drying of PET resin and the temperature control of mold work section. The construction of a hot runner mold and its mechanism were described.
树脂充模是RTM工艺成型过程中的重要一环。
The molding filling process is a very important phase in RTM.
上模(1)中的流动性树脂接触的模表面(6)上存在氧化物(3)。
A mold surface (6) of an upper mold (1) with which a fluid resin comes into contact has an oxide (3) therein.
首先建立了汽车保险杠树脂传递模塑充模过程的三维数学模型；
A three-dimensional mathematical model of the resin transfer molding(RTM) filling process for the automobile bumper was presented.
所述下模仁设置有多个用于放树脂料饼的套筒，所述上模仁上与所述套筒对应位置设置有流道；
The lower die core is provided with a plurality of sleeves for placing resin material cakes. The positions on the upper die core corresponding to the sleeves are provided with runners.
所述下模仁设置有多个用于放树脂料饼的套筒，所述上模仁上与所述套筒对应位置设置有流道；
The lower die core is provided with a plurality of sleeves for placing resin material cakes. The positions on the upper die core corresponding to the sleeves are provided with runners.
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