The main factor of localization of nuclear island major equipment of PWR nuclear power plant& Large forgings 压水堆核电厂核岛主设备国产化关注点&大型锻件
Integrative measurement and control project for large forgings based on non-contacted measurement 基于非接触测量的大型锻件测控一体化方案
Industrial structure of large forgings in China and production technique status quo and developing tendency both domestic and abroad have been introduced. 介绍了我国大锻件产业结构和国内外大锻件生产企业技术能力现状的发展方向。
This paper introduces a new online method to measure the dimension of large forgings, which uses the pulsed laser ranging sensor with a2-DOF parallel spherical mechanism. 介绍了使用激光测距传感器配合球面二自由度并联机构测量大锻件尺寸的方法。
The V-anvil drawing process of large forgings was simulated using FE software, and the stress-strain distributions in the plastically deforming area were compared after different V-anvils drawings. 利用有限元软件模拟了V型砧的锻造拔长过程,并对不同夹角的V型砧压下后锻坯塑性变形区内应力、应变的状态进行比较。
Developing direction of Chinese large forgings production has been put forth. 提出了我国大锻件生产的发展方向。
The Modern Integrated Study Methods on the Hot Forming of the Large Forgings 大锻件热成形的现代集成研究方法
Research on Control of Hot Forming of Large Forgings 大锻件热成形可控机制的研究
Optimizing on Forging Process of Two-time Upsetting and Stretching for Large Forgings 大锻件两次镦拔锻造的工艺优化
Optimization of Forming Procedure for Large Forgings 大型锻件锻合内部空洞性缺陷及优化工艺规程的研究
Study on Healing Condition and Method of Internal Defect of Large Forgings 大型锻件内部缺陷修复条件和修复方法研究
Study on Grain Size Transformation During Heat Treatment of Large Forgings 大型锻件热处理过程晶粒度变化的研究
Progress in FEM Software Technology for Large Forgings 大型锻件锻造加工中有限元软件技术进展
In order to improve the quality of large forgings, it is very important to control the shape, size, amount and distribution of inclusions. 为了提高大锻件用钢质量,控制夹杂物形态、尺寸、数量并使其均匀分布十分重要。
The mechanism and law of consolidation of the internal cavities of large forgings in J. T. S forging process were systematically investigated by high temperature modelling technique. 通过高温模拟试验,研究了中心压实法(J.T.S法)锻造时,锻件内部孔洞性缺陷的锻合机理和变形规律,以及对锻件内部组织和机械性能的影响。
Application of Forgeability Criterion of Metal Material in Production of Large forgings 金属材料可锻性准则在大锻件生产中的应用
Forging industry is the basis of developing equipment manufacturing industry, especially for large forgings, whose dimensional precision is an important factor to ensure the manufacturing quality of major technical equipment. 锻造行业是装备制造业得以发展的基础,特别是大型锻件,其尺寸精度是是保证重大技术装备制造质量的一个重要因素。
The appearance and development of heat treatment simulation technology has provided a good solution for large forgings. 热处理模拟技术的出现和发展为大锻件的热处理工艺预测与制订提供了一种既省时又有效的研究方法。
With the rapid development of electric power, metallurgy, petrochemical engineering, shipbuilding and other industries, more large forgings are highly demanded. The increasing demand causes the severe disproportion between the output and productivity of large forgings. 随着我国电力、冶金、石油化工、造船等工业的迅速发展,大锻件的需求量迅速增加,大型锻件出现了产量与产能的严重矛盾。
Recently, large ingots are generally used to produce large forgings. During the molding process, appropriate deformation is needed to transfer the composition of the ingots cast into dense state microstructure of the forgings and make a reasonable distribution of metal flow lines. 目前大型锻件一般采用铸锭自由锻成型,成型过程中需要有足够的塑性变形量使铸态组织转化为致密的锻态组织,并使金属流线合理分布。
As important equipment parts, the demand of large forgings 'quality and performance are increasingly higher. 大锻件作为重要的装备零件,其质量和性能的要求越来越高。
In recent years, the rapid development of the world industrial greatly increase the requirements of large forgings gradually, and the quality requirements are also become higher and higher. 近些年来,世界工业的发展增加了大型锻件的需求量,并且对质量的要求也日益提高。
Large forgings, the fundamental parts for heavy machine manufacturing, are very important to the national economy, defense and the momentous equipments with advanced science and technology. 大型锻件作为大型成套设备的核心零件,在国民经济建设、国防装备发展和现代尖端科学技术重大装置的建设中,起着非常重要的作用。
Large forgings mostly use the free forging processing method, in the process, energy consumption is huge, and results in large cost. As the key link of quality testing and feedback of control, the geometrical size detection becomes more prominent. 大型锻件多采用自由锻的加工方法,加工过程中能源消耗量巨大、造价昂贵,作为质量检测和反馈控制的关键环节,大型锻件的几何参数在位检测的重要性更加凸显。
As the key parts of major based equipments and heavy manufacturing equipments, large forgings are widely applied to electric power, military industry, chemical industry, transportation, shipbuilding industry, and play an important role in many aspects of national economy. 大型锻件是重大基础装备以及重型制造装备中的关键和核心部件,广泛应用于电力、钢铁、军工、化工、交通、造船业等领域,在国民经济的许多方面具有相当重要的地位。
The development of forging industry in the development of manufacturing industry plays a very important role, with the development of manufacturing industry of large forgings, demand increases gradually. 锻造工业的发展对制造业的发展有着至关重要的作用,随着制造业的发展,对大型锻件需求量逐渐增加。
The research of the method has a great significance to the detection of large forgings. 这种方法的研究对于大型锻件的检测具有重要的意义。
With the rapid development of heavy industry in China, such as the metallurgical industry, the electric power industry and the shipbuilding industry, as important equipment parts, the demand of large forgings 'production capacity and technology is increasing higher. 随着我国冶金、电力、石化以及造船等各行业的快速发展,大型锻件作为重要的装配零件,其需求量越来越大,同时对其技术含量和质量要求也越来越高。
Titanium alloys which have excellent performance were widely used in military and industrial production, of which 80% of the forgings are provided by the forging process, in particular the processing of large forgings shape. 钛合金因其优异的性能在军事和工业生产中得到了广泛的应用,其中80%的锻件是由模锻工艺提供的,尤其是大型锻件的加工成型。