Analysis and Improvement of the Surface Cracks of the Shell Mold of Investment Castings of Aero-Engine Guide Vane 燃气轮机导流板精铸件型壳面层裂纹分析及改进
Application of Compound Shell Mold Investment Casting in Complicated Aluminum Alloy Parts 铝合金复合型精密铸造工艺研究与应用
A nice Bit of craft. technology of investing shell mold by electrophoresis 电泳复合精铸制壳工艺
Camera Front Shell Mold Design and Analysis Based on Pro/ Engineer 基于Pro/E的照相机前盖的模具设计及模流分析
The sedan camshafts re-melting and chilling process and production technique of shell mold camshaft castings to he re-melted and chilled were introduced. 介绍重熔淬火硬化处理凸轮轴工艺,以及供重熔淬火用的壳型凸轮轴的生产工艺。
Erosion resistance of BN-Based ceramic composite shell mold to molten titanium 氮化硼基复合陶瓷型壳的抗钛液冲蚀能力
It is simple process, less pollution, low cost, good quality casting, and can meet producing of locomotive casting, that the investment pattern was made from the shell mold was made from silica sol. 采用硅溶胶粘结剂制造型壳,工艺简单,污染少,成本低,铸件质量好,满足机车类精铸件生产要求。
Technology of investing shell mold by electrophoresis graphic-art technique 电泳复合精铸制壳工艺图形法-厚膜电路工艺用
Because of the high tension of the ceramic shell mold with silicasol coating, the superalloys net shape thin-wall vane is often bring about the crackle on the edge. 应用硅溶胶粘结剂涂料制造型壳,进行高温合金无余量薄壁叶片的生产,由于型壳强度高,造成叶片边缘产生裂纹而报废。
The processes that the ceramic shell mold was made rapidly from SLS plastic prototyping and the casting of high accuracy and better performances was produced by Vacuum Differential Pressure Casting ( VDPC) precision shaping technology were the main topics of this paper. 着重描述了由SLS塑料原型快速制取陶瓷型壳并在真空压差浇注成形的工艺方法,得到了较高的零件精度和很好的零件性能;
Discussion on precision investment casting with low temperature shell mold 熔模精密铸造低温型壳浇注探讨
Experimental Study on Collapsibility of High Strength Bauxite Shell Mold 高强度铝矾土型壳的溃散性试验研究
Development of Shell Mold Materials for Ti Alloy Investment Casting in Domestic and Foreign Countries 国内外钛合金精密铸造型壳材料的发展概况
The technical process and characteristics as well as the selection of technical parameters related to shaped die manufacturing for squeezing casting in ceramic shell mold were investigated. 研究了陶瓷型壳精铸挤压铸造成型模的工艺过程、工艺特点以及工艺参数的选择等问题。
The Influence of Resin Content on the Thermal Properties of Shell Mold Sand 树脂添加量对壳型覆膜砂热性能的影响
Structural Design and Experiment on the Composite Shell Mold for Investment Casting of Turbine Blade 涡轮叶片熔模铸造复合型壳的结构设计和试验
Ink-point in Shell Mold and Black-face in the Investment Castings 精铸型壳墨点和铸件黑皮分析
Preparation of Shell Mold for Rapid-precision Casting Based on the SLA 基于SLA的快速精密铸造型壳制备工艺的研究
Testing and Analysis of Temperature Field of Camshaft during Solidification Produced by Shell Mold with Iron Shot Backing 壳型填铁丸工艺条件下凸轮轴凝固温度场测试及分析
Computer numerical simulation technology offers tremendous potential in time and cost savings for design casting procedure of glass shell mold castings. 计算机模拟技术为铸造工艺的设计提供了一种能大幅度地节约时间和降低费用生产铸件的途径,也为预测铸造缺陷提供了手段。
Silica sol shell mold with less surface cracks is prepared using the colloidal pouring technique and vacuum drying method. 经过大量实验发现采用胶态浇注成形技术和真空干燥方法可制备表面裂纹少的硅溶胶壳型。
Different wax pattern assembly design aimed at structural features of different castings can ensure convenient coating and stuccoing, favor hardening and drying of shell mold, avoid pileup of coating and bubble in shell mold. 针对不同的铸件结构特点,采用不同的蜡模组装方案,以保证涂料、撒砂方便,有利于型壳硬化和干燥,避免涂料堆积、以及产生气泡豆等缺陷。
Netty Relation Figure of the Crystal Aluminium Chloride in the Shell Mold Hardening 结晶氯化铝在壳型硬化过程中的网状关系图
Investigation on Vacuum Drying Process Parameters of Silica Sol Shell Mold 硅溶胶壳型的真空干燥工艺参数研究
Shaped Die Manufacturing for Squeezing Casting in Ceramic Shell Mold 陶瓷型壳精铸挤压铸造成型模
In the process of resin sand injection, the important factor influences the quality of shell mold is how to vent the air in mold rapidly. 分析了热芯盒模具充型特点,指出在型砂的充型过程中如何快速排出型腔内的气体,以及充型过程中带入的空气是影响壳型质量的一个重要因素。
A sort of fully chilled Cr-Mo-Cu alloyed camshaft was produced in phenol resin-coated sand shell mold with local V-Ti containing pig iron as melting charge. Its microstructure consists of primary austenite dendrite and D-type graphite plus austenite eutectic. Then the austenite eutectic transformed into pearlite. 采用树脂砂壳型铸造和四川钒钛生铁生产了一种全激冷Cr-Ni-Cu系铸铁凸轮轴,其显微组织由初生奥氏体枝晶和D型石墨+奥氏体共晶体组成,奥氏体随后转变成珠光体;
The research studied the influence of raw materials and the preparing process on the performance of ceramic shell mold. 本文从型壳制备的原材料出发,研究了原材料和型壳制备工艺对陶瓷型壳性能的影响,并对陶瓷型壳与铌硅合金之间的界面反应进行了研究。
In the production, the proposed aluminum shell mold casting port settings in the top, while the metal mold by heating simultaneously with the vertical casting method, casting off the rough shaping good rate reached 98%. 在产品生产方面,提出将铝质壳体的浇铸口设置于模具顶部,同时采用加热金属铸模与立式浇铸并举的方法,使毛坯一次性浇铸成型完好率达到了98%以上。
Therefore, it is important to prepare investment casting ceramic shell mold used in Nb-Si based alloy. 因此,制备性能优良的用于Nb-Si基合金熔模铸造的陶瓷型壳则变得至关重要。