对铝合金铸造用砂芯的工作温度进行了分析和测定。
The working temperature of sand cores for aluminum casting have been tested in the present work.
本文最后给出了利用本装置测得的国内某著名铸造用原砂的热膨胀-温度曲线。
For foundry sand from a famous domestic area, the curve of thermal expansivity with the temperature was described.
摆盘式混砂机是作者发明的一种铸造用新型混砂设备，具有中国专利。
Swinging mixer is a new type foundry sand mixing equipment invented by the author, which had got the patent of China.
考查了铸造用天然硅砂的矿物晶体形态，可将其大致分为单晶体和多晶集合体两类。
The mineral crystalline morphology of foundry natural silica sands has been investigated, which can be divided into two groups:single crystal and polycrystalline gather.
介绍了东风公司铸造厂生产用树脂砂的现状，阐述了树脂砂添加剂的作用机理及生产应用情况。
The present situations of resin -bonded sand used in DFM foundries are introduced. The mechanism and its application of additives for the resin -bonded sand are presented.
针对干砂消失模铸造用涂料具有高透气性、高强度的特点，研制了一种涂料透气性、强度专用测量装置。
According to the characteristics, which coatings used in EPC are of high permeability and strength, a special device used to measure the strength and permeability is worked out.
以浮油沥青为原材料，经化工处理、稀释后成为改性浮油粘结剂。可以作为铸造用型、芯砂的粘结剂。
The raw material undergo chemical treatment and dilution for the modified tall oil pitch binding material to be obtained. and its dilute solution is used as a core binder for foundry use.
考查了铸造用天然硅砂的矿物晶体形态，可将其大致分为单晶体和多晶集合体两类。
Thus, the mineral crystalline morphology of natural silica sand is an important parameter for use in foundry.
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。
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.
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。
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.
砂箱铸造车间内保持砂模用的框架。
该产品适用于建筑工地、砂石厂、水电站混凝土大坝工地、邮电电杆厂需单位砂石及铸造用“七〇”砂、玻璃厂石英砂及油井回填用压力砂的洗选、分级和脱水。
This product is mainly used for sand factory, electric pole factory, worksite of building and concrete dam to wash, classifying and de-watering various sands.
研制了利用植物油深加工后的废料———DK材料作为铸造用湿型砂防粘砂添加剂。
The additive of correcting metal penetration for green sand mold casting, made from the waste of oil further fabricated——namely DK material, is researched in this paper.
研制了利用植物油深加工后的废料———DK材料作为铸造用湿型砂防粘砂添加剂。
The additive of correcting metal penetration for green sand mold casting, made from the waste of oil further fabricated——namely DK material, is researched in this paper.
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