模具型腔可采用分型面分割模板的方法获取。
The mold cavity was obtained by splitting mold base in parting surface.
介绍了精密塑料小模数直齿圆柱齿轮模具型腔尺寸计算方法及成型工艺。
The cavity dimension calculation of injection mold of plastic small-module precision cylindrical spur gear and its molding technology are introduced.
本文剖析了常用的三种抛光方式,提出保证模具型腔抛光性好的具体措施。
After making an analysis of the three polishing processes commonly used, the author of this paper proposed that some specific measures must be taken to ensure the excellent polishing of mold cavities.
提出了模具型腔粗铣加工刀具组合方法,进行了粗铣加工走刀方式对比分析。
The paper offered the coarse milling machining combination methods of mold cavities, and contrasted and analyzed them.
以研制育苗营养钵用吸塑模具型腔为例,介绍锌基合金液态模锻这一新工艺。
Taking the research of the cavity of vacuum forming mould used for the nutritional box to grow seedlings as example. This paper introduces the new technology of liquid die forging of Zn base alloys?
为了保证精铸件的成形精度,制造所用的模具型腔必须对铸件的收缩变形进行补偿。
In order to ensure the forming accuracy of castings, it is necessary to consider the compensation for the shrinkages in the mould cavity for turbine blades brought by the solidification process.
针对精铸空心涡轮叶片的精确控形问题,开展模具型腔优化设计中的虚拟修模技术研究。
This article presents a study of the technology of virtual mold-repair for the optimal design of the mold cavity of a hollow turbine blade to precisely control its shape.
根据渐开线齿轮的基础知识及粉末压制烧结理论确定了设计模具型腔及结构的原理和方法。
According to the requirements for the involute gear and powder metallurgy theory, the present article gives a principle and method for designing die cave and structure.
因此,这里采用三次样条函数拟合曲线构造模具型腔廓线,其型值点由已有模具型腔测得。
So it adopt cubic spline function to structure die cavity outline in this article, the model points may be surveyed on die cavity surface.
浇注系统是注塑模具结构设计中的一个重要组成部分,也是塑料熔体进入模具型腔的唯一通道。
Injection mould feed system is an important component of the structure design of injection mould, and is also the only channel for molten plastic flowing into mold cavity.
其切削力平稳的特性更适合于模具型腔的高速数控加工,可以克服高速加工用刀具刚性差的不足。
The cutters used in high speed machining(HSM) have poor rigidity, therefore the method fits to HSM of die cavity due to the unfluctuating cutting force characteristic.
采用加权曲面参数方程拟合型腔侧壁曲面的算法,实现了子午线轮胎活络模模具型腔曲面的构造。
Apply the weighted surface parameter equation to fit the algorithm of cavity lateral surface, and realize the cavity surface construction of radial parting mold of meridian tire.
确定模具型腔时,应考虑使其在高压熔体的作用下具有足够的强度与刚度,又不使模具过于笨重。
When definite mold die space, should consider that enables it to have the enough intensity and the rigidity under the high-pressured melt function, does not cause the mold to be too unwieldy.
模具型腔各部分材料填允能力的不一致,是导致模具应力不均匀、局部出现应力集中的主要原因;
The nonuniformity in filling ability of the material to different parts of die cavity leads to the unequal distribution of die stress and local stress concentration.
适度增加激冷层厚度,提高激冷层品质,均匀喷涂并及时清理模具型腔,可减少气孔和夹杂物缺陷。
Gas hole and inclusion can be reduced by properly increasing thickness, and quality of the chilling layer, uniformly spraying and cleaning the mould cavity on time.
采用一般的平均收缩率方法来确定模具型腔的成型尺寸,已难以满足精密注塑成型制品的精度要求。
Using average shrinkage rates of injection-molded parts to decide the dimension of mold cavity can not satisfy the demand of high precision injection-molded parts.
气体辅助注塑成型工艺包含塑料熔体注射和气体注射两部分,由气体推致力塑料熔体充满模具型腔。
Gas assisted plastics injection molding process includes injection of polymer melt into mold cavity and then injection of gas-compressed into the polymer melt.
热流道喷嘴是热流道系统的终端,它包括加热,浇口的末端,它将熔料输送到模具型腔或附加的冷流道。
Hot runner nozzle is the terminal of the hot runner system, which includes the heating, the end of the gate, which can transfer the molten material to the mold cavity or the additional cold runner.
提出了通过显示奥氏体实际晶粒度、裂纹形貌和扩展方式来分析热锻模具型腔表层塑性变形行为的试验方法。
This paper advanced a study method that can observe plastic deformation behavior of surface layer of die cavity by showing austenite grain, size, crack morphology and propagation mode.
注射工艺过程就是从给料斗送进粉状或粒状的塑料混合物,经过定量区和熔化区,然后将其注射到模具型腔中。
The process consists of feeding a plastic compound in powdered or granular form from a hopper through metering and melting stages and then injecting it into a mold.
对O形圈模具型腔精确加工中的工艺、测量及加工偏差等几个关键问题进行了分析,并针对实例进行了计算机辅助设计。
The text analyses some key problems of accurately machining of O circle mould cavity, including its technology, measurement, and machining error, and then puts forward a CAD example for it.
在球面刀具干涉处理算法的基础上 ,对模具型腔自由曲面NC三轴加工中平头刀的刀具轨迹的干涉处理技术进行了分析。
The interference problems and existing methods in 3 axis NC machining of surfaces are analyzed, and a new strategy of interference detection is proposed.
气辅注塑家具的加工方法是:①塑料注射,熔 融的塑料注入模具型腔,熔融热塑料遇到温度较低的模壁在周围形成薄 壁凝固层;
The production process of the inflation aided injection molded furniture includes the following steps: 1. injecting molten plastic into mold cavity to form thin wall solidified layer at the mold wall;
持续几十年的挑战之一是难于找到多型腔模具来生产一模一样的部件。
One that has persisted for years is the difficulty of getting multicavity tools to produce identical parts.
持续几十年的挑战之一是难于找到多型腔模具来生产一模一样的部件。
One that has persisted for years (decades, actually) is the difficulty of getting multicavity tools to produce identical parts.
挤压速度、挤压毛坯的温度、型腔温度、模具的表面粗糙度以及挤压毛坯的化学成分是影响热挤压件表面质量的主要因素。
Extruding velocity, temperature of billet and container, die roughness and the chemical composition of the billet are the major factors which affect the surface quality of the extruded product.
以注塑模垫板的设计为例详细阐述,并与传统力学分析对比,为注塑模具的型腔设计提供了一种新方法。
Moreover, comparing to traditional mechanical analysis, this paper introduces the design of backing plate and provides a new method for the design of injection mold cavity.
综合考虑了影响精密型腔模具成型产品零件尺寸公差的各种因素,提出了模具成型尺寸的多目标优化方法。
This paper discusses various factors which affect the dimensional torlerence of products of precise mould and offers a multi-object optimal method for designing cavity dimensions of precise mould.
为了减少收缩和塌陷,在填充前可以用气体给模具加预压,或者可以在非表观面与型腔表面之间注入气体。
For shrinkage and sink reduction, molds can be pre-pressurized with gas before melt is injected, or gas can be introduced between the non-appearance side of the part and the mold.
为了减少收缩和塌陷,在填充前可以用气体给模具加预压,或者可以在非表观面与型腔表面之间注入气体。
For shrinkage and sink reduction, molds can be pre-pressurized with gas before melt is injected, or gas can be introduced between the non-appearance side of the part and the mold.
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