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- The total turnout values of die in home is up to 36 billions in 2002 year,in which about 10% is die casting dit. 2 0 0 2年 ,全国模具总产值达到 3 60亿元 ,其中压铸模约占 10%25 ;
- Introduced the failure types and some measures for extending service life of die casting die. 介绍压铸模的失效类型,提出一些提高压铸模使用寿命的措施。
- A new technology for improving air-tightness of die casting with complicated structure using rheocast and slow shooting is introduced. 介绍一种改善复杂结构压铸件气密性能的新工艺,内容包括流变铸造和慢压射技术。
- The processing of throttle,the determination of parting surface and ingate position and the selection of die casting machine were paid attention to. 内浇道位置选取在法兰的侧面,这样金属液先填充主浇道,内部质量较好。模具设计两个侧型和一个抽芯,对浇口道,分流锥和高温热节区域采用点冷或循环水冷却方式。
- The studies showed that the reverse draft was caused by the effect of die locking force reiteratively in the long die casting processes. 研究表明,模具中反拔模斜度的形成,是由于合型力长期作用的结果。
- The properties of die casting alloys have been evaluated based on summarizing some experience and manual knowledge concept. 在归纳总结压铸合金选择经验和知识的基础上,对压铸合金性能进行评价。
- Different parameter variation caused by energy distribution duri ng die casting process shows that high energy filling mold is the key to insuring quality of die casting. 从压铸过程中能量分配引起的各种参数变化，说明高能充型是保证压铸件品质的关键。
- This paper discusses the object-orientated modeling principle of die casting database and gives a realization and visualization method for the database system. 采用面向对象的方法，论述了压铸工艺数据库的建模原理，给出了数据库的实现及其可视化方法。
- Failure analysis of parietal cracking in scavenging pump made of die casting aluminium alloy was carried out by means of metallographic examination,SEM analysis and so on. 借助金相显微镜、扫描电镜等分析手段,对压铸铝合金清洗泵腔壁断裂失效的原因进行了分析。
- The thesis presents a new type of practical die structure with tightwire and idler wheel for angle core pulling of die casting a angle bracket of aluminium alloy. 本文给出了生产铝合金斜支架铸件的新型钢丝绳-滚轮斜抽芯压铸模实用结构,论述了模具结构特点和工作原理。
- It has entered the industrial field in the form of die casting for over 50 years experiencing hard process of preliminary development, medium shrinkage and post-redevelopment. 它以压铸件的形式进入工业领域的50年历史经历了初期发展、中期收缩、后期再发展的曲折过程。
- "The motor rotor shall be of die cast aluminum, fabricated copper or their respective alloys. 电机定子应该采用压铸铝,装配铜或其各自的合金等材质制造。
- The die casting experiment shown that the sand cores developed for die casting are good in collapsibility and may meed die casting technology and quality of die casting's requre. 研制的压铸用砂芯，经压铸实验，溃散性好，可满足压铸工艺及铸件质量要求。
- The thesis presents a practical die structure with angle pin and gear shaft and rack for secondary combined inclined down loosing core of die casting hopper bodies. 在具有斜下向孔或斜下向凹凸铸件压铸模设计中,斜下向抽芯是压铸模设计的难点之一。
- Where is the Market of the Electric Instruments? 电工仪器仪表的市场空间在哪里?
- Hustling and bustling market of fashion clothes. 熙来攘往的时装市场。
- This paper discusses the object orientated modeling principle of die casting database and gives a realization and visualization method for the database system. 采用面向对象的方法,论述了压铸工艺数据库的建模原理,给出了数据库的实现及其可视化方法。
- Different influence of Sr modification with different paramete rs by analyzing metallographic structure on properties of die casting Al alloy i s studied. 通过金相组织分析以及在不同参数下以锶变质对压铸铝合金性能带来的各种影响进行了试验。
- Main market of my products is domestic market. 我的产品主要销售国内市场。
- According to the prediction of pressure in chamber of die casting with BP-ANN,an Overall design of gating system Parameters is worked out in this paper. 根据BP神经网络预测了压铸压力状况，由此进行了浇注工艺参数的整体性设计。
