By employing side to side rolling of the casting roller which is driven by a rolling hydro-cylinder, the utility model achieves maximized filling area of the tunnel. 利用摆动油缸的带动抛射滚轮进行左右摆动,实现了对巷道充填面积的最大化。
Changing the sea route or trough; Demarcating, changing, or canceling a restricted navigation area, mud casting area, aquatics breeding area, speed testing area, or water entertainment area; 改变航道、航槽;划定、改动或撤销禁航区、抛泥区、水产养殖区、测速区、水上娱乐区;
Quantity and Influences in the Casting Lies the First Area of Cooling and Crystallize in Common Mold 普通模铸造一次冷却结晶区的铸锭质量及影响
We will create a strong brand –" J.S.Machine "in the casting area with the support and trust from. 在铸造领域内,有来自全球客户的支持与信赖,我们将共同缔造一个强大的品牌&“京山轻机”。
Based on the study of composition and casting methods of the bronze artifacts unearthed from Qinghai area, this article dis-cusses the sources of those bronze products. 本文通过对青海地区青铜器的成份分析及其铸造方法的分析,对该地区发现的青铜器来源问题进行了探讨。
Where casting of segments is required to be carried out at or near the launch site, the nominated Sub-Contractor shall be responsible for selecting and identifying a suitable location and the setting up of the on-site casting area to accommodate such works. 若要求在运送现场或附近浇模节段,指定分承包商应负责选择和鉴定合适的位置并设立现场浇模区来满足工程要求。
Research of Surface Crack on Phosphor Bronze Strip Produced by Horizontal Continuous Casting Critical Gate Area of Mg Alloy in Counter-gravity EPC 水平连铸锡磷青铜表面裂纹形成原因及探究镁合金反重力消失模铸造临界阻流面积的研究
Major in machining or electrical major, with experience in die casting or assembly area. 机械制造技术专业或电气专业,并/或在压铸或者装配行业有经验。
Sown by casting over a wide area especially by hand. 特别是用手在一大块地区播撒。
The clinical observation and net shape design of casting baseplate of postdam area in maxillary complete denture; 目的比较铸造上颌腭板基托后堤区两种不同设计的临床效果。
Clinical Effect of Net and Plate Design of Casting Baseplate of Postdam Area in Complete Denture 铸造上颌板后堤区的板状设计和网状设计的临床应用
It is a practicable plan that building web-based service system of casting technology to push forward computer application in casting area. 发展基于Web的铸造技术服务系统是推广铸造领域计算机应用技术方案。
The effect of lithium on casting structures of pure coppers has been researched. The results showed that the dendritic crystal area of alloy was eliminated by Li addition and the equiaxed strcture was substitued for dentritic crystal. 研究Li对工业纯Cu结晶形态的影响,结果表明:Li能消除合金凝固的枝晶区并使之转变为等轴晶区。
From aspects of the converter molten steel, technological parameter, technological operation and continuous casting equipments, the cause of crack in billet triangular area is analysed and the control measures put forth. 从转炉钢水、工艺参数、工艺操作和连铸设备等方面,分析了影响板坯三角区裂纹的原因并提出控制措施。
The specific metallurgical condition of the CSP casting area and the process methods of direct charging, rolling and cooling give the results of fine crystal grain, high strength and good plastic to the hot rolling strip. CSP工艺浇铸区域特有的冶金条件及其直接装炉、轧制、冷却的工艺方法导致热轧带钢晶粒细、强度高、塑性好。
The results show that in the nearby of liquidus, the grains size becomes tiny with reducing of casting temperature, the least average equal-area circle grain diameter is 42.6 um, and the original solid fraction may reach 98.4%. 晶粒平均等积圆直径最小可达42.6um,初始固相体积分数最多可达98.4%.同一温度下,晶粒尺寸随保温时间的延长而粗化;
The technology of grinding ball by centrifugal casting, the rotational speed, the method for calculation of ingate area and factors influencing technological process were introduced. 介绍了离心铸造磨球的工艺,以及转速、内浇口断面积计算方法和影响工艺过程的因素。
Slab casting with thin wall 、 large area and unprocessed surface is easy to produce warping deformations and surface quality defect, etc. 壁薄、大面积、表面不加工的平板铸件易出现弯曲变形、表面质量不好等问题。
Studies on the Countermeasures of Casting off Straits for the Poor Area 贫困地区摆脱困境的对策研究
The unstable change of mould taper during casting and the trigonal area crack of slab are main problems of new No. 3 caster. 武钢新3铸机在浇注过程中存在结晶器锥度不稳定、板坯三角区裂纹等主要问题。
To decrease the casting pinholes, there should be higher pouring temperature and a suitable sprue height and area. 为减少铸铝件的针孔,铝合金消失模铸造应有适当高的浇注温度和合适的直浇道高度及面积,并尽量采用空心直浇道。
Numerical simulation of the microstructure formation during casting solidification is currently an active area of research frontiers in foundry technology. 铸件凝固过程中微观组织形成的数值模拟研究是铸造学科前沿的研究课题。
This is the most important reason for the blast furnace equipped with flanged casting iron stave in lower shaft area only have shorter campaign life. 这是目前我国众多冷却壁形式高炉寿命普遍较短的重要原因之一。
An example of box casting has been given in which designing method of cross sectional area for non symmetrical gating system was expressed, the method is suitable for both of large and medium castings, or several castings in one mold. 指出叠加法是一种适用于大、中型铸件或在一箱多件情况下设计非对称型浇注系统的实用方法。
As a high-profit, effective and promising casting process, die-casting die is playing a more and more important role in manufacturing area. 压铸是一种高效益、高效率、很有发展前途的铸造方法,压铸模在制造业中所处的地位也日益重要。
The results show that: Imposed the traveling wave magnetic field in the Z direction, aluminum melt just suffered the most vigorous in the casting area is conducive to grain refinement. 结果表明:在Z方向施加行波磁场,铝熔体所受最大力恰好在铸轧区,有利于晶粒细化。
In the paper, drawing the method of sand casting, the runner-element cross-sectional area of the gating system which was applied in EPC had been calculated by using the hydraulic formulas. 本文以借鉴砂型铸造的计算方法,采用水力学公式,计算出了消失模铸造的浇注系统浇道组元截面积。
Tape casting method is widely used in electronic ceramics area. 流延技术在电子陶瓷等领域也有很广泛的应用。
Discusses the impact on air-entrapped of the different casting process parameters, such as the speed of injection and the cross-sectional area of exhaust. Finally, the paper analyzed quantitative prediction of gas in the water test, calculated the quality of the gas from cavity. 最后,本文对水模拟试验中的气体进行了定量预测分析,计算了气体排出型腔的质量。