He has prepared a special core sand and solved the problem of cleaning blind holes successfully.
配制了专用芯砂，成功地解决了异型盲孔的清砂问题。
All I need to do is scrape this core sand out and there will be a nice straight bore through the casting.
所有我需要做的就是这个核心刮砂的，将有一个很好的通过铸造直孔。
The results show that the process is a clean process of mold and core sand foundry and does not pollute environment.
实验结果表明，该工艺不污染环境，是铸造型芯砂的清洁生产工艺。
Veining defects have been effectively prevented and eliminated by improvement on gating system, especially by special additive to core sand and sinter coating on surface of sand core.
通过改进浇注系统，特别是采取在进、排气道芯砂中添加特殊抗脉纹添加剂及在砂芯表面涂刷烧结型涂料等工艺，有效地预防和消除了脉纹缺陷。
Cultured pearls don’t have at their core a grain of sand, but instead arelittle plastic or glass beads or something that pearl farmers stick into theoyster for a year or so.
对于人工养殖的珍珠而言，它们的核心并不是沙粒，而是像小塑料珠或小玻璃珠之类的物体。珍珠养殖者把这些小东西塞到牡蛎中，然后等上一年左右的时间。
The resin sand with high collapsibility is chosen to make the core of the near closed hollow ring on the basis of many technological experimentations through analysis of structure and process.
通过结构分析和工艺分析，在大量工艺试验的基础上，选用高溃散性树脂砂制作型芯，并成功地研制出大型薄壁复杂结构的封闭型腔铸件。
If a hollow casting is to be made the pattern will include extension pieces so that Spaces to accept the sand core are molded into the sand. These additional Spaces in the mold are termed core prints.
如果铸造空心铸件时模型上包含伸长杆便于在砂中放置砂芯的空间称为型芯座。
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。
Companies are integrated enterprises, the main core for the building or real estate, the provision of gravel, sand, brick machine, quarry and transport.
公司属综合性企业，为主要核心建筑或房地产，提供砂石、河沙、机砖、石矿及运输。
Research has believed that veining in admission and exhaust passage of diesel engine cylinder head may mainly be caused by crack of sand core occurring in high temperature phase change expansion.
研究认为，柴油机气缸盖进、排气道脉纹的产生主要是由硅砂高温发生相变膨胀导致砂芯开裂引起的。
The relationship between calcium stearate and sand core as well as casting quality of cylinder head of diesel engine for example is analyzed.
同时，以柴油机缸盖砂芯和铸件为例，分析了硬脂酸钙与砂芯和铸件品质的关系。
In the mix of sand or sand core casting equipment, sand mixing machine generally has the following functions: the old sand, new sand, sand bonding agent and auxiliary materials mixed evenly.
用在混制型砂或芯砂的铸造设备，混砂机一般具有下列功能：将旧砂﹑新砂﹑型砂黏结剂和辅料混合均匀。
The effect of capillary pressure and water saturation on sand production has been researched through the core flow test in this paper.
通过室内岩心流动试验，研究了毛管力、含水饱和度对岩石出砂规律的影响。
The properties of the materials used for making models of sodium silicate bonded sand core curing by microwave energy are suggested.
结果表明，塑料模具和陶瓷模具都可用于水玻璃砂芯的微波固化。
Safety system core technology: self hardening sand core equipment, hot core and core machine, coated sand core machine, cold core and core machine.
安制芯工艺分：自硬砂制芯设备、热芯合制芯机、覆膜砂制芯机、冷芯合制芯机。
This forms a protein coated sand core for use in casting molten metals.
此形成的一种涂覆蛋白质砂芯用于铸造熔融金属。
This paper introduces the method of making sand core, explains the influence of the head design of sand core, assembly of sand core and other factors on the dimension precision of casting.
介绍了制芯方法，阐述了芯头设计、砂芯的组装及其它因素对铸件尺寸精度的影响。
In core making with cold core box, the solvent content in the binding material has a greater influence on the sand core strength.
采用冷芯盒法制芯时，粘结剂中的溶剂含量对砂芯强度有较大影响。
It is a core of fme reservoir description. Therefore, single sand body study is the most important and basic study in development geology, with significant meaning.
这是精细油藏描述核心问题，因此单砂体研究是开发地质研究中最重要最基础性研究，有着非常重大意义。
Therefor, it is greatly significant to clarify the mechanism of sand blowing process so as to control the production of sand core.
由于砂芯通常采用射芯的方法来制造，因此，了解射砂过程的机理，并且在此基础上对射砂过程加以控制，就显得至关重要。
There is core head for fixing the sand core, and no stripping mechanism but direct manual core fetching.
梯型芯头稳固砂芯，无顶芯机构，采用人工直接取芯。
According to outcrop research, drilling core analysis, and sand distributed system drawing, we analyzed the lower member of Zhiluo Formation, northeastern Ordos basin.
作者通过露头调查、钻孔岩心分析和砂分散体系制图，对鄂尔多斯盆地东北部直罗组下段进行了成因分析。
This paper the cause of the scab of the inside surface of cylinder block on condition that the resin sand cores are made in cold core box.
本文分析了冷芯盒村脂砂芯条件下缸体铸件内腔结疤的原因。
The characteristics and process of the coated sand mold (core) made by selective laser sintering rapid prototyping are introduced.
介绍了用选择性激光烧结(SLS)快速成型技术直接制造覆膜砂铸型(芯)的特点及工艺过程。
Compared with the prior art, the side frame whole sand core hanger has simple structure and convenient use for the side frame whole sand core.
同现有技术相比，本实用新型结构简单，对于侧架整体砂芯，使用方便。
The reasons causing sand inclusion and slag inclusion are: ( 1 ) gaps between mould and core prints or cods too small;
前言： 湿砂型铸铁件产生砂孔和渣孔缺陷的主要原因是：（1）芯头或砂台的间隙偏小；
The sand core structure provided by the utility model can solve the difficult technique problems of core shooting and chocking in casting simply and effectively, and improve the yield of the castings.
本实用新型所提出的砂芯结构，可简单而非常有效的解决铸造生产中射芯呛火的技术难题，提高铸件的成品率。
The new water-based mold coating for resin-bonded sand mold and core for aluminium castings has been developed.
为铝铸件树脂砂型芯研制出新型的水基浅色涂料。
Improvement of core-making technology was conducted by adopting basic phenolic resin sand for aluminum alloy air guide ring in the turbogenerator produced by Harbin Rlectric Machine Co.
介绍了我公司在应用碱性酚醛树脂砂工艺生产汽轮发电机铝合金铸件导风环的过程中，对制芯工艺进行的改进。
Improvement of core-making technology was conducted by adopting basic phenolic resin sand for aluminum alloy air guide ring in the turbogenerator produced by Harbin Rlectric Machine Co.
介绍了我公司在应用碱性酚醛树脂砂工艺生产汽轮发电机铝合金铸件导风环的过程中，对制芯工艺进行的改进。
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