弹簧性能的发生变化将会直接影响机械密封端面比压。
Changes in the spring performance will directly affect the mechanical seal face pressure.
机械密封主要的是靠装在轴上的动环与固定在泵壳上的静环之间端面作相对运动而达到密封的目的。
The main mechanical seal is installed in the shaft on the dynamic in Central and fixed pump shell on the static ring for the relative motion between the end to achieve the objective of sealing.
轴封采用新颖的双端面机械密封结构形式。
对各种加工方法进行比较可知，在机械密封端面上加工微孔，激光表面处理技术是惟一有效的加工方法。
Compared with any other processing methods, laser technology is a unique way to produce micro-pores on the seal face.
介绍了径向双端面机械密封在反应釜应用中存在的问题及改进，延长了使用寿命，降低了检修费用。
Existing problems of radial double ended mechanical seal used in reactors and their improvement are introduced, thus lengthening lifespan and reducing the cost of overhaul.
叙述了180涡轮钻具用减速器的传动比，齿轮传动，端面机械密封和偏心短圆柱轴承的设计计算过程和有关处理办法。
The design calculation process and related process methods for transmission ratio, gear transmission, end mechanic sealing and eccentric short roller bearing used for 180 turbine drill are described.
计算结果表明，机械密封端面压力分布呈凸抛物线状，增加密封端面锥度可降低摩擦系数。
The calculation results show that the pressure distribution shape is a convex parabola and the increase of the radial taper of the seal face can decrease the friction coefficient.
文章从改进密封结构的角度提出了带有端面辅助密封结构的刀口机械密封装置结构设计的基本思路。
This paper put forward the fundamental idea of design of blade mechanical seal with the structure of end assisting seal from the angle of improving the seal structure.
机械密封：采用WB2型、ST型不用冷却水可调式端面密封技术，由碳化硅，高纯度氧化铝陶瓷、填充四氟，石墨等材料制成。
Mechanical seal: use of WB2 and st non-water-cooled adjustable end face sealing technology, composed of silicon carbide, high purity alumina ceramic, packing PTFE and graphite etc.
XM31A型机械密封为单端面、多弹簧非平衡型结构。采用传动螺钉传动。
Mechanical seal type XM31A has a single seal face and multi-spring unbalanced structure, and is driven by screw transmission.
机械密封主要的是靠装在轴上的动环与固定在泵壳上的静环之间端面作相对运动而达到密封的目的。
Mechanical seals are on the main shaft is installed in the dynamic ring in the pump shell and fixed up the static ring for relative movement between the face and achieve the purpose of sealing.
端面密封片启闭不泄漏，机械性能可靠。
S end face sealing piece on-off not leak, mechanical properties and reliable.
从密封结构改进的角度，提出了带有端面辅助密封作用的刀口机械密封结构及设计的基本思想。
From the Angle of the structure improvement, this paper puts forward the idea of edgy machine that takes assistance sealing structure.
单端面机械密封：结构简单，密封性能好，使用寿命长，维护方便（符合ISO3069 标准）。
Single mechanical seal : simple in structure, good sealing performance, long life, easy to maintain (meet the criterion of ISO3069).
采用整体接触有限单元法，考虑“O”型辅助密封圈的影响，计算了不同压力下机械密封端面变形行为。
To study the influence of O-rings secondary seals, deformation behaviors of mechanical seal faces were analyzed under different pressures with the method of integral contact analysis by FEM.
本文阐述并分析了轻烃泵用双端面机械密封的特点，提出了改进方法和设计依据。
This paper describes and analyses the reasons of the failure of dual-encl-face mechanical seal for hydrocarbon pump and proposes a reformation and design method.
叶轮具有防松装置，机械密封端面材质采用碳化硅-碳化硅，经久耐用、安全可靠。
Impeller with against pine device, Mechanical seal face material USES silicon carbide - silicon carbide, durable, safe and reliable.
对B104 a - 70型机械密封软质环端面的磨损率进行了计算和分析。
The wear rate of the end face of soft ring of B104a -70 mechanical seal was calculated and analyzed.
用有限元数值计算的方法得出了一定条件下螺旋槽上游泵送机械密封端面间液体的压力分布、开启力及上游泵送量等。
The two dimensional fluid Reynolds equations were established using the finite element method. The pressure distribution, opening force and upstream pumping rate of spiral groove were obtained.
机械密封动力学性能对密封系统稳定性有很大的影响，微小的振动会导致密封泄漏量增加和端面磨损加剧。
The dynamic performance of mechanical seal has significant influence on sealing system stability, small vibration can cause sealing leakage increasing and end face excessive wear.
主要研究内容和结论如下：1。建立了激光加工多孔端面机械密封的流体动力学分析模型，根据假设，一个孔栏上的液膜压力分布可表征整个密封面上的液膜压力。
The main contents and achievements are summarized as follow:1. A theoretical model has been developed to investigate hydrodynamic effect of mechanical seals with a laser-textured pores seal face.
采用串联式波纹管机械密封代替原单端面机械密封，解决了减底泵机械密封冲洗液对介质的影响问题。
The infection of the washing liquid used in the pump at the decompression tower bottom to the medium was introduced.
设计一种刃口型密封端面的机械密封，代替原泵轴封采用的橡胶油封。
The reason of the seal's failure was analyzed. A new mechanical seal was developed which has an edge-seal end face, and the rubber lip seal was replaced by the mechanical seal.
采用德国博格曼机械双端面密封+KENOD自行开发组件，完全替代进口无菌密封。
Adopted the German Burgmann mechanical double seal + KENOD develop their own components, completely replace imported sterile seal.
机械密封端面接触情况与密封工作状态密切相关，有必要对其进行在线检测。
There's closely relationship between the contact degree of mechanical seal faces and working state. So it's vital to monitor the contact degree online.
作者对机械密封端面的磨损特性进行了分析，以指导和改进机械密封的设计及对密封失效的判断。
Wears performance of mechanic face seal is analysed. Basis law for design and estimation and amelioration of mechanic seal's invalidation is provided.
本文介绍了“机械密封环端面变形研究”课题的初步研究结果。
This paper introduces some results on the project "study on face deformation of mechanical seal."
介绍了激光表面微造型新工艺新方法，对机械密封环端面进行跨尺度的几何形貌加工工艺研究。
A new technology of laser surface micro-molding is introduced, and the mechanical face seal ring cross-scale processing of the geometric shape is researched.
注：双端面机械密封的型号表示方法为：在产品型号规格的后面书写两组材料代号，用横线相连。
Double seals: Material code for the secondary seal is directly followed by the product seal face codes.
轴封采用单(双)端面、波纹管等形式的机械密封，也可采用软填料密封，能适应各种条件下的密封要求。
The axle seals adopt single (double) end, corrugated pipe, etc forms mechanical seals, also may adopt soft packing seals, and can unit to all kinds of conditions requirement of seal.
应用推荐