The vacuum squeeze moulding technique is a new technology for compacting moulding sand.
真空压实造型技术，是一种新的型砂紧实工艺。
When occurring a certain amount of clay slurry, it leads to the changes of moulding sand in properties.
在出现一定量粘土浆前后，型砂的性能变化最大。
The compaction rate of the moulding sand is an essential index showing the sand moisture in casting practice.
型砂紧实率是反映铸型用砂含水量的一个重要指标。
This article discusses about the choosing of technology and equipment in the steel foundry with green moulding sand.
介绍了粘土湿型砂铸钢车间的工艺及设备选择。
The detecting mechanism of moulding sand moisture is analysed. The method of designing hardware and software is discussed.
对型砂含水率测试原理进行分析，讨论了测试仪的硬件和软件设计。
This paper analyses the technological process of moulding sand compounding, and con- trolled by PC, then yields good results.
本文分析了型砂配制的工艺，用PC 对其进行了控制，获得了良好地控制效果。
This paper analyses the technological process of moulding sand compounding, and con - trolled by PC, then yields good results.
本文分析了型砂配制的工艺，用PC对其进行了控制，获得了良好地控制效果。
A new type of intelligent instrument for the detection of moulding sand moisture is presented in this paper. Its nucleus is microcontroller.
本文介绍一种新型的以单片机为核心的智能化型砂含水率测试装置。
It is a key of wide application to recognize and solve some technological questions such as property of moulding sand Pouring and transport etc.
认识和解决好型砂、造型、浇注、输送等工艺问题是应用和推广这一技术的关键。
Reducing expansion stress of the moulding sand and increasing wet tensile strength of moulding sand are the main measures to prevent scab defect.
防止夹砂缺陷的主要措施是降低型砂的膨胀应力和提高型砂的热湿拉强度。
This system can be used to test the properties of the moulding sand on line, such as sand compactability, green compressive strength, and sand temperature, a...
该系统能够用于在线检测型砂的紧实率、湿压强度和砂温等性能，并且能够根据检测结果通过控制补加水量将型砂紧实率控制在设定的工艺范围之内。
When using in moulding sand, it can promote oriental solidification of castings and prevent burn-on and sand inclusion of castings, and improve roughness of castings.
在铸造生产中可以促进铸件的方向性凝固，防止粘砂、夹砂等铸造缺陷和改善铸件表面粗糙度。
The key basic technology in full mould casting process includes: material and formation of pattern, coating, vibratory fill of moulding sand as well as molten metal filling.
实型铸造法的关键基础技术包括：模样的材料及成形、涂料、型砂的振动充填、金属液的充填。
The surface quality of Y2 frame and the percentage of end product can not be compatible, because the toughness and mobility of the moulding sand in clay sand are antagonistic each other.
型砂韧性和流动性在粘土砂中是互相对立的，它使Y2机座表面质量和成品率不能兼顾。
The differences of the distribution of the moulding sand strength after compacting with pattern or not as well as resilient phenomenon and the mechanism of appearing "bridge" were analysed.
分析了无模样和有模样紧实后型砂强度分布的差异，以及回弹现象和“桥”的产生机理。
The technical principle of the intelligent high speed tester for solidity of moulding sand is described briefly. The design, calibration and application results of the tester are introduced.
简述型砂紧实率快速智能测试仪的技术原理，介绍了测试仪的设计、标定以及应用效果。
When the moulding technological test is carried out on the air impulse test moulding machine, the moulding sand employed is the sand used by Nanchang Diesel Factory for high-pressure moulding.
利用气流冲击试验机进行造型工艺试验，使用的型砂为南昌柴油机厂高压造型用砂。
The dynamic stress inside green sand during experimental compaction by air impact moulding can be achieved using a method of placing aluminium plate at the top of green sand.
采用气冲造型机并在型砂顶部覆盖铝板的方法，获得了气力冲击造型试验紧实过程中型砂内部的动态应力。
Manual mouldmakers make and repair sand moulds using patterns, moulding boxes, sand and hand tools following bench, floor or pit moulding methods;
手动模具制造商使用样模，成型盒，砂及手工具，遵从板凳，地板或坑成型方法，制造和修理砂模；
They have been successfully used in the measurement of stress field of sand molds of squeeze moulding and air impact moulding.
该传感器成功地用于压实造型和空气冲击造型的砂型应力场测量。
This paper introduces the craft characteristics of casting the shell of the gearbox, including the manufacturing of the resin moulding, the application of the hard sand core and so on.
针对变速箱壳体毛坯铸造的工艺特点，介绍了其树脂模具的制造、树脂自硬砂砂芯应用等关键环节的技巧和做法。
We can also adopt sand shell moulding or metal mold casting as for allotype castings.
对异形铸件，还可用砂型铸造或金属型铸造。
They have been successfully used in the measurement of stress field of sand molds of squeeze moulding and air impact m...
该传感器成功地用于压实造型和空气冲击造型的砂型应力场测量。
They have been successfully used in the measurement of stress field of sand molds of squeeze moulding and air impact m...
该传感器成功地用于压实造型和空气冲击造型的砂型应力场测量。
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