In order to improve the walls general function and settle these limitations, the paper put forward a new type wall& the assembly wall of isolating air type and inner casting reticulated framework. 但目前建筑领域中现有的各种墙体均不同程度的存在各种弊病,为提高墙体的综合性能指标,解决这些缺陷,本文提出一种新型墙体&隔气式内浇网格拼装墙体。
A two-phase flow model for simulating air entrapment during mold filling of high pressure die casting process 应用两相流模型模拟压铸充型过程的卷气现象
A new vacuum gel-casting was applied to ceramics which could reduce the air bubbles formed during the casting in the green body. 采用一种新型的真空凝胶注模成型法,减少了在凝胶注模成型时坯体中形成的气泡。
The results showed that although the vacuum smelting has strongly degassing capacity, the degassing effects is relevant to the relative humidity of compressed air in low pressure die casting. 结果表明,尽管真空精炼具有很强的除气能力,但低压铸造的除气效果与压缩空气的相对湿度有关。
Compacting process and compacting effects of air impact molding machine with formed squeeze head for combined mould of green sand of motor housing casting were introduced. 从解决电机壳铸件铸造机械化的迫切性入手,介绍了气冲气推成型触头造型机制造电机壳铸型的成型过程及其实砂效果。
Study on Material of Ductile Cast Iron and Numerical Simulation of Lost Foam Casting for Large-size Punching Dies; A TWO-PHASE FLOW MODEL FOR SIMULATING AIR ENTRAPMENT DURING MOLD FILLING OF HIGH PRESSURE DIE CASTING PROCESS 中大型冲压件模具球墨铸铁材料及消失模铸造数值模拟研究应用两相流模型模拟压铸充型过程的卷气现象
Tries to improve the quality of copper rod in the procedure by adapting the technlilgy of high content of oxygen emptying air low content of oxygen casting. 试图在生产过程中,采用高氧除气,低氧浇铸以改善光亮铜杆的质量。
Parameters Optimization of Air Impact and Air Push Molding Machine for Motor Housing Casting Using the FEM, the deformation and stress field of a large-scale Mg alloy die casting machine have been calculated by ANSYS. 电机壳铸件气冲气推造型参数的优化压铸机的整体变形情况对压铸机性能和铸件质量有重要影响。
Parameters Optimization of Air Impact and Air Push Molding Machine for Motor Housing Casting 铝合金壳分马力感应电动机电机壳铸件气冲气推造型参数的优化
So often easily design overflow and air vent at inappropriate location, making casting generated gas hole. 所以常常容易因为溢流井与逃气道位置设计不当,使得铸件产生气孔的缺陷。
According to distribution of air gap in mould during solidification of casting die, a method of calculating taper of mould for casting 20~(?) steel circular die has been put forth in this paper. 本文根据结晶器内铸坯凝固过程中的气隙分布规律,提出了浇铸20~钢时圆坯断面的结晶器锥度计算方法。
Finally, this paper designs two assembly construct projects for the assembly wall of isolating air type and inner casting reticulated framework. 最后,研究设计两套隔气式内浇网格拼装墙体的拼装施工方案,配以大量的图纸对墙体的墙板和拼装施工工艺进行说明。
From the wall panel's material to the structure, function and assembly construct, the paper proceeds a series of research for the assembly wall of isolating air type and inner casting reticulated framework. 论文从隔气式内浇网格拼装墙体的墙板材料到墙体结构、性能和拼装施工工艺,进行了一系列较为全面的研究。
The Research of Compensating for Air Gap of Mould in High Speed Continuous Casting Billet 气隙补偿式高拉速方坯结晶器研究
In further analysis, it given that in primary design of roll body, the radiation and air convection could be neglected, only the head transfer in stable state between casting film and roll should be considered; 在进行流延辊辊体设计时,可以忽略辐射及空气对流的冷却作用而按照稳态问题进行计算;
Using EPC Process to Produce a Fluctuation Air Nozzle Casting 消失模工艺铸造耐热铸铁风帽
The technique has combined the advantages of both air painting and non-air high pressure painting and got the better results in the production of vehicle casting. 此项技术结合了空气喷涂和高压无气喷涂两种技术的优点,在汽车铸件生产中取得了良好的效果。
Study of air gap formation during the mold casting Pb 在模铸铅的过程中气隙形成规律的研究
In this paper, mainly introduce the structure design of a low pressure diecasting die possessing a complex air drain casting, and make a technique analyses about the casting, and expatiate the working process of the casting die. 主要介绍了一种具有复杂气道铸件的低压铸造模具的结构设计,同时对该铸件进行了工艺分析,并对该模具的工作过程进行了阐述。
Changes in hydrogen content in liquid aluminum were measured under different relative humidity of compressed air in low pressure die casting. 在不同的压缩空气相对湿度下,试验测定了低压铸造过程中液态铝合金氢含量的变化。
Advanced cast methods used domestically and abroad in famous automobile manufacturers and foundries for cylinder castings of which technical performance has been presented include air impact molding, static pressure molding, vertical parting flaskless molding machine and full mold casting, etc. 介绍了汽缸体铸件的技术性能、国内外各大汽车公司和汽车铸造厂所采用的先进铸造方法,这些方法有气冲造型、静压造型、垂直分型无箱射压造型、实型铸造等。
The pollutant samples in air of mixing, casting and vulcanizing sections of small-scale HTPB propellant processing line were taken by use of activated carbon. 以活性碳为吸附剂,对HTPB推进剂小型装药线混合、浇注、硫化岗位空气中的污染物进行了富集采样。
According to the experiments, it is found that the optimal casting speed, inserting depth and air blowing quantity are following. ( 1) The optimal casting speed range is 1.2m/ min~ 1.6m/min. 确定最佳的拉速、插入深度及通气量为:(1)合适的拉速范围为:1.2m/min~1.6m/min;
Effects of Compressed Air Humidity on Hydrogen Content in Al-melt in Low Pressure Die Casting 低压铸造过程铝熔体的氢含量变化
Using the Differential Air Pressure Casting Method to Prepare Cu-based Bulk Amorphous Alloys 差压铸造法制备铜基块体非晶合金
The Assembly Wall of Isolating Air Type and Inner Casting Reticulated Framework 隔气式内浇网格拼装墙体
The influence of air gap on stress distribution of continuous casting billet in mold was investigated. 着重研究了气隙对坯壳应力分布的影响。
According to this study, the results as following: ① The basic difference between the EPC and the traditional casting process is that there is a certain air gap pressure in the interface of the mould and casting, the flow and filling of metal is hindered. 根据本文的研究,得到以下研究结果:①导致消失模铸造和传统普通铸造充型模式差异的根本原因就是消失模铸造金属液前沿存在着一定的气隙压力,阻碍金属液的流动和充填。
The comparison with the ordinary die-casting casting and the vacuum die-casting casting X-Ray detection showed that there is less air trap defect in casting produced by the self-development system obviously. 通过对普通压铸件和真空压铸件的X-Ray检测比较表明:使用本课题研制的真空压铸辅助系统生产的真空压铸件的气孔缺陷明显减少。