Methods Scanning electron microscope and X-ray analysis were used to study the distribution of all kinds of elements in sand-cast, sculpt and clear-sand of one foundry work and quarry work.
用扫描电子显微镜和X射线能量色散仪测定某铸造作业翻砂车间、造型车间、清砂车间和某采石作业生产性粉尘粒子的结构及各元素的百分含量。
Seen from above, the shadows cast onto the sand created shifting patterns like sundials.
从上面看，投在沙滩上的阴影创造了像日晷一般的移动模式。
According to different casting methods, divided into continuous cast iron pipe and the centrifugal cast iron pipe, wherein the centrifugal cast iron pipe is divided into two types of sand and metal.
按铸造方法不同，分为连续铸铁管和离心铸铁管，其中离心铸铁管又分为砂型和金属型两种。
The cast ingots prepared using sand mould and metal mould were analyzed to investigate the effect of cooling rates on morphologies and characters of M2C eutectic carbides in M2 high speed steel.
采用砂型和金属型铸造制备m 2高速钢铸锭，研究了冷却速度变化对高速钢m 2c共晶碳化物形态及性质的影响，探讨了M2C共晶碳化物形态变化的机理。
The fine surface quality and dimensional accuracy cast hot work die was obtained by special sand V method casting technique.
采用特种砂v法铸造工艺获得了良好表面精度和尺寸精度的铸造模具。
The coating sand for cast iron and cast steel and collapsible coating sand for nonferrous alloy casting are also described.
论述了普通铸钢、铸铁件用的覆膜砂、非铁合金铸件用的易溃散覆膜特种性能覆膜砂。
Aims To study the technical properties of zircon sand and PEPSET nobake sand, so as to solve the cast problems caused by the quality of sand.
目的研究锆砂/PEPSET树脂自硬砂工艺性能，用于解决复杂铝铸件由于型砂质量所带来的铸造问题。
Cores may also be made at this time. These cores are made of bonded sand that will be broken out of the cast part after it is complete.
同时还要制作砂芯。这些砂芯用粘结砂做成，等铸件完成后将被打碎取出。
The collapsibility of the sodium silicate dolomite sand is controlled by the size, wall, pouring temperature, capacity for sand and draw time of the cast.
证明水玻璃白云石砂的溃散性与铸件的大小、壁厚、浇注温度、吃砂量和打箱时间有关。
Based on analysis of market conventional sand mold cast process has been compared with EPC process of which design and measures for s. g. iron pipes have been introduced as well as key of technology.
从市场分析入手，对EPC法与传统砂型铸造工艺进行了比较，介绍了EPC法生产球墨铸铁管件的工程设计内容及对策，并提出了工艺设计的关键点。
The experience of cast Mg alloy in graphite green sand mold was summarized and its casting characteristics were analyzed.
总结了采用石墨砂湿型铸造镁合金的经验，分析了镁合金铸造的特点。
It introduces the problems during construction of the cast in situ concrete pile embedded in rocks for sand loading berth of Fuzhou Port bulk cargo (river sand) wharf and the countermeasures.
文章介绍福州港散货(河砂)码头工程装砂泊位嵌岩灌注桩施工中的难题及处理对策。
The selected caproic acid bacteria could then be used in the maintenance of artificial pit mud and the operation of sand cast technique and pit irrigation technique.
可将选育出的己酸菌用于人工窖泥、窖池泥养护、翻沙材料及灌窖工艺中。
Sand and rusts removing of large-sized cast iron, cast steel, steel structures, large-sized forging and surface treatment of oxidized work pieces.
大型铸铁、铸钢件，钢结构件、大型锻件，热处理件的清砂、除锈去除氧化皮表面清理等。
The material of machine tool body and working table applies high-intensity excellent cast iron, and resin sand molding.
床身和工作台材料均选用高强度优质铸铁，树脂砂造型。
The casting is cast in furan sand mould.
采用呋喃树脂砂型铸造。
This paper described the foundry technology of horizontal pouring and solidifying to produce large hollow ductile iron crankshaft cast in sand coated iron mould.
介绍了铁模覆砂铸造大型空心球铁曲轴的工艺。
Several cylindrical castings with different modulus and size of riser necks cast in furan bonded silicon sand molds are examined and analyzed numerically.
在呋喃树脂砂型条件下，针对不同模数、不同冒口颈尺寸的圆柱试样进行了模拟计算和浇注试验。
Mould and equipments : Die-casting mould, Low pressure casting mould, Gravity casting mould, Sand casting mould, Finish cast die, Stamping mould, Forge rolling die mould and so on.
模具及仪器类：压铸模具、低压铸造模具、重力铸造模具、砂型铸造模具、精铸模、冲压模、辊锻模等。
In this paper, the temperature field of Sodium silicate sand cores of the machine tool's cast iron is measured.
本文对机床铸铁件水玻璃砂芯在浇注、冷却过程中的温度场进行了测定。
Copper nickel good machinability and bad crack resistance. Repair welding of sand hole and gray cast iron machined surface subject to no load.
镍铜，易加工，但抗裂性较差。不受力的灰铸铁加工面及砂眼补焊。
In order to improve the abrasion-resistant on the casting surface, the low-Cr cast iron matrix composite reinforced by WC particles in sand mold was made in the experiment.
为了提高铸件表面的耐磨性，实验以低铬铸铁为基体，WC颗粒为增强体，制备出颗粒增强表面耐磨复合材料。
Analysis is done to the causes of reject A30 block with sand inclusion, i. e. the elements of molding sand feature; cast structure, casting speed and arrangement for casting system, etc.
对A30气缸体夹砂废品产生的原因，即型砂性能、铸件结构、浇注速度、浇注系统的布置等方面的要素进行了分析。
It is very important of resin-sand technology applied in casting for increasing the quality of the cast.
铸件生产中树脂砂工艺对于提高产品质量有着重要意义。
This article introduces a kind of equipment, which removes the adhering sand between the thin walls and in the furrows of cast iron parts without damages.
本文介绍了一种无损伤清除铸铁件薄壁间、沟槽内粘砂的设备。
The sand-lined metal mold casting technique for bimetallic squeezing axle was investigated. The suitable chemical composition in the white cast iron was to be adjusted.
介绍了双金属榨轴的铁型覆砂铸造工艺，并对榨螺用白口铸铁的化学成分作了适当地调整。
In order to meet the growing wealth of heating radiators market, the company has also developed steel radiator and fine sand without high-grade cast iron decoration cast iron radiators and radiator.
为适应日益丰富的采暖散热器市场，公司还开发了钢制散热器及无砂精品铸铁散热器和高档装潢铸铁散热器。
In order to meet the growing wealth of heating radiators market, the company has also developed steel radiator and fine sand without high-grade cast iron decoration cast iron radiators and radiator.
为适应日益丰富的采暖散热器市场，公司还开发了钢制散热器及无砂精品铸铁散热器和高档装潢铸铁散热器。
应用推荐