浇注系统

Using numerical simulation technology and method of orthogonal experiment design and single factor rotating optimization, this thesis makes a study of "lost core injection ", thus achieve the optimization of the parameters of molding process, to offer basic reference when developing production technology and mould of the plastics intake manifold. Based on the study of the status in quo and development trend of weight reduction on automobile, the application of plastics to automobile and intake manifold, then under the guidance of theory model and numerical simulation technology in the process of high polymer material, this thesis launches flowing main research work: First of all, on the basis of the three-dimensional model of the part and finite element net model, several designs of gating and running system are numerically simulated and analyzed via MPA of Moldflow.

本文在对当今汽车轻量化、零部件塑料化以及的汽车进气歧管塑料化的发展现状和发展趋势进行了研究和简要介绍，然后在高分子材料成型过程中的理论模型和数值计算方法的指导下，展开主要的研究工作：首先，在零件三维模型和有限元网格模型的基础上，使用Moldflow 的MPA模块对塑料进气歧管的多个浇注系统设计方案进行数值模拟，通过分析各个方案的充填质量、熔接线位置及数量等指标，得到了综合质量较高的4 个进料口的浇口位置及半限制型浇口大小的浇注系统。

Based on the analysing of gating system and the sources of slag and the experiments on hydrokinetics of meltal with hydroen bubbles,it is believed that the most important function of filter in gating system are t cleaning of melt metal and the changing of characteristics of the liquid metal flow.

对浇注系统、夹杂产生物来源及金属液体流态进行分析，氢气泡流体动力学实验表明，在浇注系统中过滤器的主要功能是对液态金属产生"整流"净化作用。

On how this text use advanced technical design make and mould plastics the mould summary, Upgrade and design method to mould plastics mould , settle well and mould plastics key of mold design -------Pour the system, carry and offer the system, cooling system side dividing into type and smoking the rational design of the core organization, In the hope of and discuss with colleagues together , make joint efforts and promote and mould plastics mould development of technology.

摘要本文就如何应用先进技术设计制造注塑模具，更新设计注塑模具的方法，解决好注塑模具设计的关键-------浇注系统、顶出系统、冷却系统侧面分型与抽芯机构的合理设计，以期与同行们一起讨论，共同努力推动注塑模具技术的发展。

On the basis of total analysis and summarization on basic knowledge, principle and expert experience of injection mould feed system as well as further research on the computer-aided design of injection mould feed system, according to the geometrical model of the plastic, applying technologies including feature-based modeling and identifying, RBR, CBR, oriented-object and database technology VC++ 6.0, SQL Server 2000, Object ARX, the paper conceives general structure and primary function module of the intelligent design of injection mould feed system, develops user-systemic interface, constructs knowledge rule library and case library of injection mould feed system, researches denotative method of knowledge rule library and case library, designs the ratiocinative mechanism of intelligent system design, and realize the intelligent design of injection mould feed system partly.

本文在对注塑模具浇注系统设计的基本知识与原则及专家经验全面分析总结，以及对计算机辅助浇注系统设计方法深入研究的基础上，以塑件几何模型为依据，应用基于特征的建模与识别技术、RBR和CBR推理技术、面向对象和数据库技术，以及VC++6.0、SOL Server 2000和Object ARX二次开发工具，在AutoCAD 2002平台上，构建了注塑模具浇注系统智能化设计系统的总体结构及主要功能模块，开发了系统的用户界面，建立了浇注系统设计的知识与规则库和事例库，研究了设计知识与规则和事例的表示方法，设计了智能化设计系统的推理机制，部分实现了注塑模具浇注系统的智能化设计。

When the gate system is choked at the bottom of the sprue ,it is called a nonpressurized system.

如果浇注系统在浇注口的底部进行阻塞的话，这就是一个开放式浇注系统。

Compared with other available instruments the velometer has the advantages of highly automatic operation, rapid response, flexibility and relatively much lower cost. 2 Sequential flow is the most important function of a step gating system. Till now the studies about it have given little information.

针对以往关于阶梯浇注系统研究中，对各层内浇口分层注入功能研究不够，缺乏定量测量结果的不足，本文工作中采用微计算机化的光电非浸入式流速测量仪，首次实现了对几种典型的阶梯式浇注系统各层内浇口流速在浇注过程中变化情况的动态测量。

Calling of their features and inputting parameters interactively can sculpt the fusional solid model of the feed system and plastic.

通过浇注系统和塑件特征的调用，采用人机交互输入参数的方法进行浇注系统与塑件一体化三维实体建模。

The different solidification process of the die were simulated by using casting software Hua Zhu CAE, the effect of the different pouring temperature, riser position and size on shrinkage and porosity was analyzed, the experiments were done to observe the metallograph and detective the performance of the mold.

使用华铸CAE对不同工艺的凝固过程进行有限元模拟，分析不同的浇注温度以及浇注系统的位置和大小对铸件缩孔、缩松的影响，通过实验观察铸件金相组织，测试实验样品的性能，最终确定优化后的铸造方案。

This research studies the balance theory of the unbalancing injection system,select simple runner balance method and gate balance method in all the methods,which have been proposed by the researchers.

本研究通过研究非平衡浇注系统的平衡原理，以一典型常用的一模二腔非平衡浇注系统为例，采用有限元模拟软件 Moldflow 对其进行充模模拟。

Analysis is done to the causes of reject A30 block with sand inclusion , i.

对A30气缸体夹砂废品产生的原因，即型砂性能、铸件结构、浇注速度、浇注系统的布置等方面的要素进行了分析。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。