共查询到20条相似文献,搜索用时 64 毫秒
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对输送机传动滚筒受力状况做了理论分析,运用有限元分析软件COSMOS/Works对传动滚筒进行了静力分析,得出滚筒在载荷作用下的应力和变形分布规律。分析结果表明,该传动滚筒的结构设计完全满足其强度、刚度要求。 相似文献
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利用三维制图软件Pro/E创建带式输送机传动滚筒的三维模型,并应用有限元分析软件Abaqus对其进行静力学分析,得到其受力和变形情况。通过对此传动滚筒的建模、计算和校核,总结出应力、应变的分布规律,并根据计算结果提出了传动滚筒的结构设计要点。 相似文献
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采用有限元仿真方法对某型带式输送机传动滚筒进行静力学分析。首先采用UG建立传动滚筒的三维模型,对传动滚筒不同区域进行受力分析,将三维模型导入ANSYS Workbench中,划分网格,定义约束以及施加载荷并求解得到传动滚筒的应力云图,仿真结果显示传动滚筒结构设计合理,满足设计要求。 相似文献
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为了实现传动滚筒减重目标,达到节约成本、提高传动效率的目的,对带式输送机选型设计后的标准传动滚筒进行了有限元分析;构建了带式输送机传动滚筒的有限元优化流程和有限元模型,结合近似函数建立优化数学模型,最后采用序列二次规划算法对数学模型进行求解。分析结果表明,在满足传动滚筒许用应力和位移的条件下,滚筒减重51.396 8 kg,达到预期目标。 相似文献
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带式输送机传动滚筒的有限元分析及其优化设计 总被引:1,自引:5,他引:1
在三维CAD软件SolidWorks中创建带式输送机传动滚筒三维模型 ,然后用有限元分析软件COSMOS WORKS ,对其进行了静力分析 ,基本掌握了传动滚筒的受力和变形情况。并根据有限元计算结果 ,以滚筒壁厚优化设计为例 ,介绍了用有限元法进行传动滚筒优化设计的过程。 相似文献
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Bai Wenping 《中国稀土信息(英文版)》2014,(12)
<正>Market status and future trend of NiMH battery1.Global market of small NiMH battery Global market size of small NiMH batteries declined year on year since 2011.The trend will continue to 2018,at the rate of 5%to 10%annually.Demand for small NiMH batteries will be stable gradually.Many electrical apparatuses are powered by the built-in lithium battery today,which is the main reason for the shrunk market of small NiMH batteries.But,for some products,small NiMH 相似文献
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《中国稀土信息(英文版)》2014,(9)
正September 1-10,2014 Affected by the National Day holiday,rare earth transaction was stagnant and the market showed a weak steady state.As there was no good news for downstream market,some products with flat demand would likely rally slightly for some time to 相似文献
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《中国稀土信息(英文版)》2014,(10)
<正>Developing ecological lighting source The world is facing the big problem of energy shortage today and the contradiction between economy development and environmental protection is worsened.Therefore,people are more likely to choose an ecological light source that is more energy efficient and environmental friendly.The choice provides great opportunity for the development of rare earth optical material industry in China.The concept of green lighting positions rare earth luminescent material as a leading player in illumination market.The light source of both rare earth luminescent lamp and LED lamp is ecological and energy saving.This is why 相似文献
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《中国稀土信息(英文版)》2014,(8)
正Galaxy Magnet announced its financial results for the first half of 2014 on August 14.For the first six months ended on 30 June 2014,Galaxy Magnet achieved operation income of RMB 182.3 million,up8.40% over the same period of 2013,and the net profit attributable to the shareholders of the listed company of 34.02 million yuan,increasing 35.49% over the same period of last year.Stable performance increase was led by development of new customers and application market of magnets. 相似文献
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<正>China has rich rare earth resources.Output of rare earth and steel in China ranks the top first in the world.However,there is still certain distance between the steel produced in China and developed countries from the point of varieties and quality.China still has to import some types of steel.Improving the quality should be emphasiZed in future development of steel industry in China.Rare earth can be used to upgrade traditional steel 相似文献
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《中国稀土信息(英文版)》2014,(12)
正November 21~30,2014Due to weak demand from downstream industries,transactions of rare earth in Chinese domestic market were inactive.It was difficult to sell any rare earth products except for dysprosium oxide and terbium oxide.Suppliers lost confidence in recent market.Demand for rare earth products was soft.Consumers continued to take a wait-and-see attitude.Rare earth export market remained slow. 相似文献
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分析了近年来国内外稀散金属产业的生产、应用、资源与市场状况.铟锡氧化物靶材、砷化镓晶片、锗红外材料、铼高温合金和硒在电解锰及玻璃的应用等已成为稀散金属的主要应用领域.稀散金属的产量快速增长达到历史高位而导致了市场的失衡.以GaInP_2/GaAs/Ge,CIGS和CdTe为代表的非硅系太阳能电池是稀散金属的新兴应用领域,将给稀散金属带来日益增长的需求. 相似文献
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<正>Rare earth luminescent material is one of the most important application sectors of rare earths.China enjoys the exceptional advantage to develop rare earth luminescent material for its abundant rare earth resources.After several decades'endeavor,China's rare earth luminescent material industry,headed by rare earth phosphor for lamp and LED and high efficient rare earth energy-saving light source,has been gradually developed into a scale industry.China has become a major production base of rare earth phosphor for lamps and rare earth 相似文献
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《中国稀土信息(英文版)》2014,(6)
正June 1~10,2014Rare earth market remained weak.Quoted price of rare earth products was similar to that in May.There was no sign of recovery in downstream market.The market of NdFeB magnetic materials and phosphor was depressed.Catalyst,polishing powder and ceramic industries remained inactive.Demand from downstream industry was soft.Consumers purchased on their needs.Suppliers had strong intention to sell.Prices of rare earth products 相似文献
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