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。
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.
通过对型砂各因子和水平的正交试验和方差分析，得出了最佳的配比。
Optimum Ratio is obtained by orthogonal test and variance analysis for different factors and levels.
试验表明，累托石粘土粉不宜直接用于型砂，但它是一种优良的水基涂料的悬浮剂。
Results show that the rectorite cant be used when molding sand, but it is a good suspension agent for mold coating.
通过试验测定了水玻璃型砂中采用液态固化剂所获得的型砂性能并对水玻璃型砂中采用液态固化剂应用效果作了分析研究。
The properties of sodium silicate-bonded sand have been investigated by experiments and the results of application of liquid accelerator in Sodium Silicate-bonded Sand have been studied.
本文介绍了微型砂磨机的工作原理、设计方法及结构特点，有助于从事染料商品化研究以及其它粉体试验的人员设计或选用。
The principle, design and structure characteristic of micro sand mill were introduced. It will give some help to the study of commercializing of dyestuff.
新型砂砾测试仪的独特设计可使之每天进行上百次试验测试。
New gravel tester's unique design can make the daily hundreds of times test.
应用skr - 80型砂磨机，对多种催化裂化催化剂物料进行了砂磨试验，找出了沸石结晶度、粒度等物料性质在砂磨过程中的变化规律。
Various FCC catalysts and relevant materials were ground by using SKR 80 sand grinder. The changes of zeolite crystallinity and particle size during grinding were found.
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。
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.
在所得试验结果的基础上，探讨了气流对型砂紧实的机理。
Base upon the obtained experimental result, the mechanism of sand compacting with air flow is discussed.
试验研究了膨润土含量和紧实率对型砂弹性模量值的影响。
And the effects of bentonite percentage and compactibility on elastic modulus of molding sand were experimentally st...
该粘结剂采用PVA17-99为主要原料，通过改性等实验方法，并利用正交试验优化改性参数，制备了一种常温下呈液态的粘结剂，使用此种粘结剂的型砂可以通过吹入CO2气体硬化。
The main material of the binder was PVA17-99, the liquid binder was produced by means of modifying experiment and orthogonal test . The binder could be hardened by blowing CO2.
依据冲击动力学原理获得了试验条件下的型砂内部冲击应力波的波速，并分析了相关影响因素。
According to principle of impact dynamics, the speeds of stress wave inside green sand in laborat…
依据冲击动力学原理获得了试验条件下的型砂内部冲击应力波的波速，并分析了相关影响因素。
According to principle of impact dynamics, the speeds of stress wave inside green sand in laborat…
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