共查询到18条相似文献,搜索用时 78 毫秒
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本文以某陶瓷机械厂抛光机的关键工作部件——磨头的振动机理为基础,对磨头振动信号进行了采集并采用功率谱分析的方法找出了磨头振动的主要原因。试验表明,功率谱分析是抛光机磨头故障诊断的一种有效方法。 相似文献
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理论来源于实践,又反过来为实践服务。本文针对抛光磨头振动问题,阐明了哲学原理在技术工作中的指导作用。 相似文献
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复合肥厂尾气风机电机端联轴节轴头比轴孔过盈120μm,安装配合困难,必须扩孔,因加工量太小不易在车床上加工。介绍该厂用自制鱼鳞磨头解决轴孔在钻床上扩孔120μm的具体操作方法及鱼鳞磨头的结构。 相似文献
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电解抛光在不锈钢餐具生产中的应用 总被引:1,自引:0,他引:1
电解抛光在不锈钢餐具生产中的应用马林苏文群(天津市餐具公司300193)前言电解抛光技术早已广泛用于金属加工领域。这是一个与电镀相反的电化学过程。其特点是经处理的金属表面不存在擦痕、变形、金属屑或磨料嵌入金属表面等问题。能够赋于金属表面良好的平整度,... 相似文献
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本文介绍了3.85 m超宽窑的主要技术参数及其显著特点,笔者认为其多种创新结构和集成技术将会发挥出更大的功能,一定会比3.1 m宽体窑更加节能、高效、高产、智能,并将进一步推动陶瓷企业更新现有窑炉,加快陶企转型升级。 相似文献
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通过对现有几种瓷砖抛光机的磨抛过程进行分析,建立了抛光运动数学模型,进行轨迹仿真,比较了在不同运动状态下磨纹的均匀性和磨削面积的大小,结果表明,行星端面磨抛光机在提高磨削效率和磨纹均匀性方面与其他几种抛光机相比效果更为理想. 相似文献
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DeCarlos E. Taylor 《Journal of the American Ceramic Society》2015,98(10):3308-3318
The shock Hugoniot of boron carbide, from 0 to 80 GPa, has been obtained using first principles quantum mechanics (density functional theory) and molecular dynamics simulation. The Hugoniot for six different structures which vary by structure or stoichiometry were computed and compared to experimental data. The effect of stoichiometry, and structural variation within a given stoichiometry, are shown to have marked effects on the shock properties with some compositions displaying bilinear behavior in the computed shock velocity‐particle velocity profiles while others show a continuous Hugoniot curve with no evidence of a phase transition over the pressure range considered in this work. Two structures, B12(CBC) and B11Cp(CCB), have predicted phase transition pressures lying within the 40–50 GPa range suggested experimentally. It is shown that the phase transition is driven by deformation of the 3‐atom chain within the boron carbide crystal structure which induces a discontinuous volume change at the critical shock pressure. The effect of defects, in the form of chain vacancies, on the shock response is presented and the ability of shear to significantly lower the phase transition pressure, in accord with experimental observation, is demonstrated. 相似文献