The utility model can preclude the failure of mechanical sealing in short time and avoid injury of personnel and unnecessary economic loss when cleaning lubrication flushing pipe. 应用本实用新型既杜绝了机械密封在短时间内的失效,又避免了清理润滑冲洗管道时对人员的伤害和不必要的经济损失。
The influences on mechanical property of die wall lubrication procedure were compared to admixed powder lubrication method. 对比了模壁润滑与粉末润滑对模压制品的力学性能影响。
Withstanding Mechanical Degradation of the Polyacrylamide Solution in Copper Tube Permeability of Cutting Fluid in Minimum Quantity Lubrication Precision Turning 紫铜管中聚丙烯酰胺水溶液抗剪切特性最小量润滑精密车削中切削液的渗透性
The viscosity index improver is highly resistant to mechanical strees, thus ensures effective lubrication and long oil life. 特别的黏度指数改进剂,能有效抵抗机械应力,从而有效地提供润滑及延长液压油的使用寿命。
There are close relations between the engineering surface geometry texture and the workpiece mechanical or physical properties, including geometry topography, friction, wear, contact, lubrication, grinding mechanism and metal structure, etc. 工程表面的几何特征与零件的摩擦、磨损、接触、润滑、磨削机理、金属结构等机械或物理性能有着密切的联系。
The mechanical mechanism for lubrication of the synovial joints 滑膜关节润滑的力学机理
Mechanical construction and new technology in installation of numerically-controlled machine tool were introduced, especially the technical characteristics of spreading model of guide rail and pasting model of guide rail, connection between lathe bed and guide rail, as well as lubrication of principal axis. 介绍了数控机床在机械结构、安装工艺上的新技术,着重于涂塑导轨、贴塑导轨的工艺制作特点,床身和导轨的连接以及主轴润滑等的新技术。
Components of cold rolling production line and equipment choice are introduced from such aspects as pay-off, mechanical descaler, lubrication, cold rolling and the capacity of spool is four tons. 从放线、机械除鳞、润滑、冷轧等方面介绍冷轧生产线的组成和设备选择,工字轮的最大容量是4t。
The Synthetic Analysis of Application of Mechanical Sealing in Eccentric Pump and its Lubrication 机械密封在离心式水泵上的应用及其润滑的综合分析
This paper describes the characteristics of the mechanical transmission under water lubrication, then introduces the current state of study and application at home and abroad, and looks forward to the development trend in the future. 本文对以水为介质的机械传动的特点进行了综述,介绍了国外、国内的研究和应用现状,并展望了该技术未来的发展方向。
Mechanical and Tribological Properties of pa66/ PPS blends&(ⅱ) water lubrication 聚酰胺/聚苯硫醚共混物摩擦学性能研究&(Ⅱ)水润滑
Tribochemistry as an important branch of mechanical chemistry has many applications, especially in lubrication and energy saving. Some typical applications in synthetic chemistry are described. 简要介绍机械化学的重要分支&摩擦化学在化学合成领域中的典型应用,特别是在润滑、节能方面的重要应用和进展。
Friction and wear generally exist in all mechanical equipments. At present, the main ways to reduce the problems of friction and wear are improving the performance of materials, lubrication, surface treatment, and improving the structural design. 摩擦、磨损大量地存:在于所有的机械设备中,目前主要通过改善材料性能、润滑、表面处理和改进结构设计等方法来减少摩擦、磨损问题。
To research the nano-scale thin film lubrication which consists widely in micro electro mechanical systems and precision instruments, firstly, an interaction model of long chain molecules hexadecane, used as lubrication, was built. 针对广泛存在于微机电系统和精密机械中的纳米薄膜润滑问题,首先建立了作为润滑剂的正十六烷长链分子间的作用力模型;
The spiral groove mechanical seal in whose one of two faces is grooved some hollow spiral grooves makes the two faces non-contact by a fluid film resulted from the hydrodynamic effect of the spiral grooves, which greatly improve the lubrication condition and extend the seal life. 端面开有螺旋浅槽的机械密封,利用流体动压效应,使两密封端面被&流体膜分开,形成了非接触,极大地改善了密封端面的润滑状况,延长了密封的寿命。
As the main type of mechanical transmissions, gear transmission has applied in all fields. How to improve the lubrication and dynamic performance of gear, and how to lower the manufacture cost of gear, witch are the focus that numerous scholars have always studied on. 齿轮传动是机械传动的主要形式,在各个领域得到广泛应用,如何改善齿轮的润滑和动态特性以及降低齿轮的加工制造成本,一直是众多学者研究的焦点。
When serving as the lubricant, MF would maintain at the friction area because of the magnetic force. The lubrication effect is so excellent that MF has been widely used in mechanical sealing and lubrication. 磁性液体作为润滑剂时,能够在磁力作用下保持在摩擦区域中,润滑效果良好,因此被成功的应用于轴承机械的密封和润滑中。
In recent years, because of the merits such as non-contact, no mechanical friction, high-precision positioning, low power consumption, no need of lubrication and longevity etc, magnetic levitation technology is becoming an attractive topic. 磁悬浮技术由于其无接触、无摩擦、高精度定位、功耗小、无需润滑,使用寿命长等一系列优点,近年来受到了越来越多国内外研究学者的关注。
Friction is affected by the mechanical structure, the lubrication, the load and the speed, moreover it may also change with the position and time. 摩擦力矩的大小主要与机械传动结构及润滑状况、负载大小和速率等有关系,而且还可能随着位置和时间发生随机变化。
The topic analyzed the problems of current paper machine from the mechanical system, lubrication system, drive control system and process. 文中从机械系统、润滑系统、电气传动控制系统和工艺变化等四方面,分析了现有造纸机传动系统存在的问题。
When designing the mechanical system, it is to recalculate the power requirement. Basing on the performance and economic it is to choose the types of the electromotor, reduction gearbox and coupling and design the foundation of the drive equipment and lubrication system. 机械传动系统设计时重新核算了纸机的动力需要,根据设备的性能和经济性,对电机、减速箱和联轴器进行选型,并设计了传动部设备的安装基础和润滑系统。
The boundary lubrication is the most important lubrication form in the mechanical equipment, and adding various additives in lubricating oil is an important means to improve the boundary lubrication performance. 边界润滑是机械设备中最主要的润滑形式,而在润滑油中加入各种添加剂是提高其边界润滑性能的重要手段。
Rolling bearings are widely used in mechanical equipment, and the working condition of the equipment system depends on the effectiveness of the lubrication states. 滚动轴承在机械设备中的应用非常广泛,它的润滑状态决定着整个系统的工作情况。
With the large-scale, high precision, high speed, etc development of the modern mechanical equipments, the liquid lubrication hybrid journal bearings become more and more widely used in rotating machinery. 随着现代机械向大型化、高性能、高速化方向发展,动静压径向轴承在各种旋转机械中已经得到了广泛的应用。
With the development of the modern mechanical equipment to large-scale, high speed, high precision, heavy load, etc. liquid lubrication hybrid bearings become more and more widely be used. 随着现代机械设备向大型化、高速、高精度、重载等方向发展,液体润滑动静压轴承得到越来越广泛的应用。
Except for energy loss caused by mechanical transmission, the ratio change mechanism needs a very high pressure to transfer the torque. However, the clutch control system and the cooling and lubrication system need more flow rate from the oil pump. 除机械传动造成的能量损失外,无级变速器变速机构需要很高的压力来保证转矩传递能力,而离合器和润滑冷却系统需要油泵提供的输出流量要大于变速机构需要的流量。