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- Moulding machines with green sand. 要有机械潮模砂造型。
- Interior surfaces in green sand molds usually require more draft than exterior surfaces. 砂模的内表面经外表面需要更大的拔模斜度
- The medium chromium white cast iron has been pouring by green sand mold, and the effect of Cr? Si? Mn? 应用湿砂铸型浇注中低铬白口铸铁 ,采用正交试验研究Cr、Si、Mn、Cu对铸态中低铬白口铸铁力学性能的影响。
- Green Sand Beach lies on the slopes of the world\'s largest active volcano, Mauna Loa. 绿沙海滩就位于全球最大的活火山冒纳罗亚的斜坡上。
- The particle also contained magnesium olivine, a component of Hawaii's green sand. 在微粒中还含有镁橄榄石,也即夏威夷绿色沙地的组分。
- Green Sand Beach lies on the [b]slop[/b]es of the world's largest [b][u]active volcano[/u][/b], Mauna Loa. 绿沙海滩就位于全球最大的活火山冒纳罗亚的斜坡上。
- Permeability, compactibility and mould compaction are important performance characteristics of green sand and mould. 透气性、紧实率及铸型紧实度是湿型粘土砂及砂型的重要性能指标。
- Coating of sodium silicate alumina caly for aluminium alloy casting in green sand mold is studied. 试验研究了应用于湿砂型铝合金铸件的以水玻璃为基、铝钒土为耐火填料的徐料。
- The homesteads on the dunes had retreated twenty kilometers east to Green Sand Town when a forestry center was set up to tackle the sand. 后来,坨子里的自然屯落都撤到东边四十里外的绿沙镇建了一所治沙林
- The gas evolution test method has the advantage that the effective coal dust content in green sand can be determined rapidly and accurately. 摘要发气量试验方法的优点是能够迅速和准确地确定型砂中有效煤粉的具体含量。
- This project aims to develop an auto-control unit of a direct-control optimizing system of green sand quality for a sand mixer. 本课题的目的在于研制一种用于型砂质量直接优化控制系统的混砂机加料自动控制单元。
- The molds which are of clay green sand and without coating are poured by refractory system,hence quality castings produced. 该造型线使用粘土湿型砂及耐火制品的浇注系统,砂型不喷涂料,所产铸钢件达到了产品质量要求。
- This paper outlines the basic principles,processes and equipments commonly used in V-process,green sand and resin sand moldings. 文章介绍了目前常用的真空V法造型、湿砂造型和树脂砂造型的基本原理、工艺过程以及所使用的设备,列举了它们的优缺点和经济的适用范围。
- The transducers have been calibrated with a hydraulic deadweight tester,and the response of the transducers in green sand has also been studied. 研究中除了用静重式标准活塞压力计对传感器进行液压静标定外,还进行了型砂压力标定实验,以便分析传感器与型砂的匹配情况。
- Quality automatic measurement and control techniques of green sand are always important study problems in the domain of foundry. 型砂质量的自动检测与控制一直是铸造领域的重要前沿研究课题之一。
- 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. 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。
- We are outstanding in making foundry pattern for molding line of self-solid resin sand, pattern for molding line of green sand, hot and cold core box for various core shooter, core-setting jig and core positioner in large-batch production. 我们致力于设计并生产高质量的金属模具,材质可以是铸铝、铸铁、铸铜、钢,同时也可以生产木模、塑料模。
- Process ofmechanization of transportation and baking of green sand as well as storage of dry sand can bereference to small and medium foundry shops in their technical reformation of sand preparation. 所用的湿砂输送及烘干、干砂的料仓贮存机械化工艺流程方案,可供中小型铸造车间砂处理工部技术改造参考。
- It is significant to investigate the stress-strain relationship of green sand to control the molding quality.Based on the oedometer test, the mechanics behavior of sand was studied. 摘要利用侧限压缩试验,研究了松散型砂在侧限应力状态下的力学行为,描述型砂压实状态的物理量,提出了型砂的瞬时压缩模量与压缩状态相关的假设。
- The mold hardness under different vacuum degree was tested.The results showed that the mold hardness of EPC process was higher than that of green sand mold and was more uniformly distributed. 不同真空度下消失模铸型硬度的测试结果表明,消失模铸型的硬度高于普通湿型砂铸型,并且硬度分布更均匀。