This paper introduced the precision casting process of the crown guide blade, and the existing problems have been further analyzed.
介绍了自带冠导叶片精铸工艺方案，分析了存在的问题。
The precision controls during investing casting process based on SLS are researched and analyzed, and some means to solve the precision problems are put forward.
对基于SLS技术的精密铸造过程中的精度控制进行了研究分析，并提出了解决办法。
According to formation process, superalloys are divided into deformation alloy, precision casting alloy and powder alloy.
根据形成过程，分为变形高温合金合金，精密合金，粉末合金铸造。
The process flow of rapid casting technology based on RP for metal molds and main error factors influencing mold's dimensional precision were introduced.
介绍了基于快速成型技术的快速铸造金属模具的工艺流程和影响模具尺寸精度的主要误差因素。
Basing on the foregoing, we explored a rapid mould process consisting of RP and precision casting and used it to manufacture a casting mould for Changan auto-engine inhaust tube.
以上述思想为基础，本论文研究了以快速原形技术和陶瓷型精密铸造为基础的快速模具制造工艺，并将该工艺用于汽车发动机进气歧管铸造模具的快速制造。
Use the illustration of the casting process of electronic cabin, the method of composite mould integral precision casting is studied.
以某电子舱铸件为例，阐述了一种复合型芯整体精密铸造方法。
Investment casting is an advanced process to produce precision castings and colloidal silica is an important factor that affects the quality of shells.
熔模铸造是生产精密铸件的一种先进工艺，硅溶胶是影响型壳质量的重要因素。
This paper summarises the equipment and process of producing return bends used for the ethylene cracking furnace by ESR-precision casting.
本文介绍了电渣精铸裂解炉弯管的设备、工艺，并同传统的中频炉一砂型铸造工艺进行了比较。
It is introduced the design principal and operation method of CAD software for vanishing-mould casting process of nodular cast iron pipe. It can raise the design efficiency and precision.
介绍了球墨铸铁管件消失模铸造工艺的计算机辅助设计CAD软件的设计原理、操作方法，该CAD软件可提高消失模铸造球铁管件的工艺设计效率和设计精度。
The influence of temperature on thermal expansion of photo-curing resin used for rapid prototype(RP)and the preparation process of the rapid-precision casting ceramic shell were studied.
研究了装炉温度对快速成形用光固化树脂热膨胀特性的影响和型壳制备工艺。
Hot pressure casting is usually used for the model of precision ceramics. Wax removing is a key process in production. Wax flowing out from the products is a common problem of the process.
前言：低压注射成型即热压铸成型工艺是精密陶瓷成型方法中较常见的一种工艺方法，其中成型后产品的脱蜡工序是整个生产工序中较重要的一个环节，在此环节中容易出现产品“流蜡” 缺陷。
Hot pressure casting is usually used for the model of precision ceramics. Wax removing is a key process in production. Wax flowing out from the products is a common problem of the process.
前言：低压注射成型即热压铸成型工艺是精密陶瓷成型方法中较常见的一种工艺方法，其中成型后产品的脱蜡工序是整个生产工序中较重要的一个环节，在此环节中容易出现产品“流蜡” 缺陷。
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