At present most of the domestic large casting production features a higher investment and lower efficiency.
当前国内的大型铸造自动化生产线,投入高,效率低下。
The main task of the system is to assess assembled vats, pressure vessels and rotation components by using COD and J-integral theory, and to assess large casting and forging components by FATT theory.
它的主要任务是对组合气缸、压力容器、旋转构件进行COD理论和J积分理论的评定,以及对大型铸锻构件进行断口形貌转变温度FATT的评定。
Improper forging process will also appear large grain or uneven, hardening crack phenomenon, forging cost is higher than the casting flange.
锻造工艺不当也会出现晶粒大或不均,硬化裂纹现象,锻造成本高于铸造法兰。
The large anticorrosion flange can be divided into pushing, pressing, forging, casting and so on.
大型防腐法兰以制作方法划分可分为推制、压制、锻制、铸造等。
Large column casting and table.
大型铸件和表列。
The large flow and high response proportional throttle valve is one of the most important content in the high performance Die Casting Machine.
应用于压铸机的大流量高响应节流阀是实现高性能压铸机的一项重要研究内容。
At last, as the example of squeeze casting with large ratio of height to diameter, the temperature field and stress field of high-leg casting were simulated and analyzed.
最后,以高脚杯形挤压铸件作为大高径比挤压铸件的实例,对其挤压铸造过程中的温度场和应力场进行了模拟和分析。
Furan resin sand is poor in collapsibility when it is used for al alloy casting, specially for some large, thin section castings.
呋喃树脂砂用于铝合金铸造时,特别是对于一些大型、薄壁铝合金铸件,型芯的溃散性较差。
The casting specification of this set of equipments is of large proportion and wide usage scope in all kinds of vertical-parted molding line.
铸型规格在各种垂直分型造型线中,占有量比例最大,适用范围最广。
Numerical simulation of filling and solidification of large aluminum alloy support frame in indirect casting was conducted based on FDM.
基于有限差分法,对大型铝合金支架间接挤压铸造充型和凝固过程进行了数值模拟。
An excellent company devoted to art casting field whose products include large city sculpture, various size bronze art, was introduced.
介绍一个在艺术铸造领域有突出业绩的企业,其产品包括大型城市雕塑,各类大、中、小青铜艺术品等。
The defects on pinhole bubble formed in slabs result from badness deoxidization, and the defects on large volume bubbles formed in slabs result from the high flux of argon during casting.
铸坯内产生针孔气泡缺陷的原因是钢液脱氧不良,产生大体积气泡缺陷的原因是铸机浇注过程中氩气流量过高。
The large, complex and irregular investment casting mold was successfully designed by property arrange technology hole for core cleaning and use combinative core.
通过开设适当的出芯工艺孔,利用组合型芯,成功地设计出了大型、复杂、不规则熔模铸件模具。
Large diameter sleeve of steel casting by horizontal centrifugal casting machine has been introduced with discussion of technological measures of reducing pinhole and crack in sleeve.
本文主要介绍了卧式离心机铸造大直径铸钢套筒方法,讨论了降低套筒气孔和铸造裂纹的工艺措施。
Based on the research of "the casting technological CAD drawing library of large cast steel" a multifunction. SCR universal interface software is designed.
本文结合国家“七五”重点攻关科研课题《大型铸钢件铸造工艺CAD图形库》的研究,设计了一个功能齐全的SCR通用接口软件。
Methods: The residual crown and root of large furcation molars by full root-fill were chosen. Then casting anatomy bolt post-core molars are restored with finely casting full crowns.
方法:选择牙根分叉较大的磨牙残冠残根,经完善根管充填后,制作分体栓道式铸造桩核,然后精密铸造金属全冠修复。
The hot pot die casting technology of large cross section aluminum bar are introduced.
简要介绍大截面铝母线的热顶铸造技术。
The cost of the stoker is high because of large quantity of further process after casting and high demand of installation.
炉排的铸造金加工量大,制造安装要求较高,造价也较大。
Large thick-section ductile Iron housing easily produces casting defects such as shrinkage cavity, shrinkage porosity, graphite floating and spheroidizing decay.
大型厚断面球墨铸铁件在铸造过程中极易产生缩孔、缩松、石墨漂浮及球化衰退等铸造缺陷。
The factors which have an effect on the formation of a kind of defect called "iron thorn"on the large area of casting are discussed, and process parameters are presented for the process improvement.
根据铸件大面积铁刺缺陷的技术攻关,论述了造成铸件缺陷的影响因素,制定一套可行的工艺参数,对改进工艺参数有一定参考作用。
The key issues for bronze gnomon casting with integrated and clear surface in investment casting in plaster mold involves to prevent large plate from deformation and to ensure full mold filling.
日晷由锡青铜铸造,其铸造技术的关键是防止大平面的变形和保证良好的充型以获得完整、清晰的表面。
This will be an effective method for casting with and thick and large pieces with complex structures.
为结构复杂、厚大件的铸造提供有效的方法。
Large area crack appearing on the surface of the aluminium alloy bakeware casting dies causes its early failure.
某厂铝合金烤盘压铸模因模面出现大面积龟裂而早期失效。
But it hasn't the report about this new technology of the continuous casting square billet made well applied in large-scale industrialized.
但连铸方坯的热送直轧新工艺在大规模工业化生产中的应用我国迄今仍未见有成功的报道。
Based on the case of the large bearing platform of Jianning Bridge of Zhuzhou, cement casting and temperature controlling techniques are introduced.
以株洲建宁大桥主体墩承台施工为背景,介绍大体积混凝土施工的浇注工艺及温度控制措施。
The casting intensity by ordinary vertical concrete transport is low and the disturbance is large.
普通的混凝土垂直运输方式浇筑强度低,受干扰大。
Compositions and microstructures of a large ZL205A casting were studied.
研究了ZL205 A大型铸件成分和显微组织。
The white spot defect is an abnormal structure generally found in large cast iron cylinder sleeve by centrifugal casting.
白斑是离心铸造厚壁铸铁缸套的一种异常组织。
The white spot defect is an abnormal structure generally found in large cast iron cylinder sleeve by centrifugal casting.
白斑是离心铸造厚壁铸铁缸套的一种异常组织。
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