智能无气开式齿轮喷射润滑装置研究与应用

现有开式齿轮润滑广泛采用油雾润滑技术,本文分析了油雾润滑在实际应用的不足。介绍了开式齿轮润滑技术的新发展--无气喷射润滑。重点介绍无气喷射润滑中需要使用的设备,智能无气开式齿轮喷射润滑装置的工作原理和系统组成。对比了无气喷射润滑技术优于其他润滑方式的技术特点。     

选煤厂设备滚动轴承脂润滑方案分析

为了规范滚动轴承脂润滑标准、避免因过润滑造成轴承寿命低和润滑脂浪费现象,节约设备维修费用、减轻员工劳动强度,对脂润滑的滚动轴承进行了梳理。分别从轴承类型、转速、相关尺寸、运行环境等各项参数进行了分析,得出了轴承初次润滑量、补充润滑量以及补充润滑周期的计算方法。     

水润滑轴承研究展望

介绍了水润滑轴承的特点,列举了水润滑轴承用的金属、塑料、陶瓷、橡胶材料特点,分析了水润滑轴承的发展现状和摩擦学研究进展,对水润滑轴承用水代替油作为润滑介质、用非金属代替金属作为摩擦副材料的技术作了介绍。     

合理润滑技术在矿山机械维修中的应用

针对矿山机械原有润滑方式存在的问题,通过合理润滑技术的应用,并进行了润滑油品和润滑技术升级,实现了润滑技术改进,从而提高了矿山机械的维修效果和经济效益。     

使用合理润滑技术实现设备的连续运行

介绍了杰森木业公司使用合理润滑技术的经验,阐述了实施合理润滑技术的有效措施,通过对生产线用油及设备润滑设计的改进,改善了设备性能,实现了设备连续可靠运行,提高了企业经济效益.     

MQG3640球磨机传动齿自动喷油润滑装置

攀钢(集团)选矿厂MQG3640球磨机传动齿将原来干油润滑改为稀油喷雾润滑,提高了润滑效果,降低了劳动强度。介绍了该装置的工作过程、维护与保养。     

神东矿区智能集中润滑系统研究与应用

传统的手工润滑方式需要人工下井频繁采用手动注油的方式对煤矿机械进行补脂,若不能按照要求定时、定量注油或者注油量时多时少会导致使设备润滑达不到最佳状态,进而缩短设备的使用寿命;且设备的润滑检修业务具有分散性强、润滑点数量多、工作环境恶劣,注油过程中存在安全隐患等不利因素。针对以上问题,研发了一套智能集中润滑系统,介绍了智能集中润滑系统结构设计,详细阐述了智能集中润滑系统主要技术参数及指标以及系统关键技术。通过实际应用表明,智能集中润滑系统可根据不同设备的润滑要求,实现远程控制设备各润滑点定时、定量及自动加油,提高了润滑检修业务的工作效率,减少了日常维护量,减少了设备故障率,取得了良好的经济效益。     

全自动集中润滑装置的设计与应用

按照油剂分类以及润滑方法的不同,主要介绍了设备润滑的分类,着重介绍了全自动集中润滑装置的设计方法和过程。最后重点介绍了普通车床数控改造过程中全自动集中润滑装置的应用。     

THRH一-11型全自动干油润滑装置在WK-4A电铲上的应用

通过THRH-11型全自动干油润滑装置对WK-4A电铲的润滑交流改造应用，证明该装置在WK-4A电铲上的应用是成功的。解决了WK-4电铲润滑部位润滑不良的难题。     

新型矿用自动润滑装置系统仿真与实验分析

针对一种新型多点润滑系统动力学特性进行仿真研究.通过对润滑系统的设计特点和需求提出了润滑系统的结构设计方案;基于润滑系统工作特点,建立了液压系统仿真模型;通过仿真模型对驱动装置、泵送系统注油腔、储油腔进行虚拟仿真。实验验证了该润滑系统的可行性,对提高设备的性能提供了参考。     

Current situation and future trend of China rare earth luminescent material industry

<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     

China rare earth market review

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     

Annual Report analysis of Chinese rare earth-related listed companies in 2013

<正>Chinese rare earth-related listed companies have published their 2013 annual reports.It can be understood from their reports that production and operation activities of Chinese rare earth-related companies were still heavily affected by macro economy and industrial policies.They basically followed the steps of national economy.In 2013,world economy recovered slowly but the economy     

Market opportunities and challenges for rare earth polishing powder

正1.Status of rare earth polishing powder Rare earth polishing powder with high content of cerium oxide began to replace iron oxide for glass polishing and became one of the key materials in glass polishing process since 1940.Compared with traditional iron oxide,rare earth polishing powder has many advantages,such as fast polishing rate,high polishing quality and long service life.It can achieve good surface quality and improve operation conditions.For example,in lens polishing,the polishing work that cerium     

Baotou Research Institute of Rare Earths developed a new RE alloy preparation technology

正Pyrometallurgy Laboratory of Baotou Research Institute of Rare Earths had independently developed a new preparation technology of rare earth alloy for NdFeB.The alloy can remarkably enhance the coercivity of NdFeB magnet but also evidently reduce the production cost of the magnet.The new master alloy was prepared in the kA pilot-scale electrolytic cell by the independent technology.The rare earth master alloy can be used as the raw material for NdFeB.Compared     

矿用防爆轴流对旋主要通风机叶片ANSYS模态分析及应用

高效节能矿用防爆对旋主要通风机的叶片是主要通风机运行的关键部件,叶片在运行时不断受到气流的作用力,从而使叶片产生振动,当叶片振动的频率与叶片的固有频率接近时,容易产生共振从而导致叶片的断裂。一旦叶片断裂时,对主要通风机的安全运行产生致命的影响,从而导致矿山、化工等企业发生重大事故,将会产生不可估量的损失。基于有限元分析软件ANSYS,对高效节能矿用防爆轴流对旋主要通风机叶片进行模态分析及产生对应的六阶模态频率,对主要通风机叶片的运行频率、固有频率及产生的共振问题进行了原理分析,并且解决了叶片频率共振的问题,从而为主要通风机叶片结构设计提供理论依据,并对主要通风机叶片的安全运行提供保障。     

2013 NdFeB export analysis

<正>China totally exported nearly 24,000 tonsof NdFeB products during 201 3,including 18,825 tons of permanent magnet,valued USD 1.34 billion at an average price of 71.4 USD/kg;3,277 tons of NdFeB magnetic powder,valued USD 1 01 million at an average price of 30.9 USD/kg;1,334 tons of strip casting ribbon,with total export value of USD 74million at an average price of 55.3 USD/kg;and 586     

Market and recycling of NiMH battery

<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     

China rare earth market review

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     

唐口煤矿深部复杂开采工作面瓦斯分源涌出规律研究

研究工作面瓦斯涌出规律对工作面瓦斯治理有重要意义。为了得到唐口煤矿深部3号煤层复杂开采条件下工作面回采时期瓦斯涌出时空演化规律,选取6304工作面作为对象,采用实测方法研究6304工作面瓦斯涌出规律。结果表明:6304工作面瓦斯涌出量为6.534 m³/min,其中煤壁占34.27%,落煤占29.62%,采空区占36.11%;沿工作面倾向由低到高,瓦斯浓度整体为上升趋势,其中1—76号架工作面瓦斯浓度小于0.20%,76—102号架瓦斯浓度上升明显,最大为0.387%;上隅角的后部采空区是工作面的瓦斯主要涌出源,上隅角1号测点瓦斯浓度0.78%,上隅角周边3号、5号、7号、8号、9号测点瓦斯浓度平均为0.643%;周期来压时,上隅角瓦斯相对平时较高。研究为针对性的瓦斯分源监控与灾害防治提供基础。