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introduction：The oil seal acts as a seal、peculiarity、Structure type、The working state and sealing mechanism can be divided into many forms and different names。Oil seals are classified according to the rotating linear speed of the shaft，Oil seals can be divided into low speed oil seals（Less than6m/s）And high speed oil seal（Greater than6m/s）。Classified according to the pressure that the oil seal can withstand，Can be divided into normal pressure type oil seal and pressure resistant type（Greater than0.05Mpa）Oil seal。Classification according to the structure and sealing principle of the oil seal，Can be divided into standard type oil seal and power return type oil seal。In addition，Classified according to the material that constitutes the oil seal component，It can also be divided into skeleton type oil seal and skeleton type oil seal；With spring type oil seal and no bullets
2014-12-30 Reading quantity 1485
introduction：carburizing Carburizing is the process by which carbon atoms penetrate into the surface layer of steel。It is also so that the workpiece of low carbon steel has a surface layer of high carbon steel，After quenching and low temperature tempering，The surface layer of the workpiece has high hardness and wear resistance，The central part of the workpiece still maintains the toughness and plasticity of low carbon steel。 The material of carburizing workpiece is generally low carbon steel or low carbon alloy steel(Carbon content is less than0.25％)。post-carburizing﹐The chemical composition of the surface of the steel can be close to high carbon steel。The workpiece is also quenched after carburizing﹐To obtain a high surface hardness﹑High wear resistance and fatigue strength﹐And keep the heart has the strength and toughness of low carbon steel after quenching
2014-12-30 Reading quantity 1454
introduction：grease、Drip-lubricated bearings[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]，Because you cant get enough oil，It is difficult to produce a complete bearing oil film between the relative moving surfaces，Bearings can only work under mixed friction conditions，It belongs to non-liquid plain bearing。The main failure forms of these bearings are wear and gluing，Second is the surface pressure
2014-12-30 Reading quantity 1491
introduction： Existing drying equipment，The most is convection heat transfer drying。Dry as hot air，The hot air is in contact with the dried material for heat exchange to evaporate water。Common types of typical equipment are air suspension dryers，Such as fluidized bed dryer、Flash dryer、Pneumatic dryer、Spray dryer、Ventilation dryer、Flow drier、Gas rotary dryer、Agitator drier、Parallel flow dryer、Rotary dryer, etc。 Practical application time，Stand-alone use，There are also combination machines used，There are deformation models and so on。Pneumatic dryer、Fluidized bed dryer、Spray dryers and so on
2014-12-30 Reading quantity 2788
introduction：shalun xiuzheng Grinding wheel dressing grinding wheel truing and dressing Trim the grinding wheel into shape or remove dull surface with a dressing tool，Operation process to restore grinding performance and correct geometry of the working surface。Trim the grinding wheel promptly and correctly，It is an indispensable and important link to improve grinding efficiency and ensure grinding quality。Grinding wheel dressing generally involves turning、With a diamond roller、Grinding and rolling, etc。 ① Turning finishing method：To single grain diamond(Or diamond pens made of fine diamonds、
2014-12-30 Reading quantity 2804
introduction： The raceway sound is due toFAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、The ball、And a single row angular contact ball bearing consisting of a cage assembly with a solid window cage。]When rotating, the rolling element rolls in the raceway and generates a smooth and continuous noise，It attracts attention only when its sound pressure level or tone is extremely high。In fact, the sound energy stimulated by raceway sound is limited，As in normal circumstances，Of high quality6203FAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、The ball、As well as with solid window protection
2014-12-30 Reading quantity 1461
introduction： Rolling bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]The total number of revolutions in operation or the total number of working hours at a given speed of any component before contact fatigue wear occurs，The life of rolling bearings varies greatly，Bearings produced in the same batch operate under the same conditions，Its life can be
2014-12-30 Reading quantity 1455
introduction： High automation At present, packaging machinery manufacturers are widely usedPLCDynamic load controller，thoughPLCVery elastic，But they still dont have a computer（Software included）Have a powerful function。Fourth, the structure is highly accurate。Structural design and structural motion control are related to the performance of packaging machinery，Passable motor、Encoder and digital control（NC）、Dynamic load control（PLC）Equal height precision controller to complete，And moderately do product extension，In the direction of high-tech industry packaging equipment research and development。 GEIts part of the infrastructure businessGE FanucAutomation americas
2014-12-30 Reading quantity 2790
introduction：fancheji Car dumper car dumper A loading and unloading machine that reverses or tilts a railcar for unloading，It is suitable for the port with large traffic volume and metallurgy、 coal、 Industrial sectors such as thermal power。Most of the cars under the mine are unloaded with small dumpers。Dumper rotary drum type、Side dump type、End dump and compound 4Kind of。All kinds of dumpers are made of metal frames、The driving device and clamping mechanism are composed，Driven by AC motor。 ①Rotary drum dumper：The truck is pushed into a metal frame shaped like a drum(figure1[Rotary drum dumper])
2014-12-30 Reading quantity 2770
introduction： Short cylindrical roller bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]It is a rotation with high accuracy、Exact fit、Bearings that bear mainly radial loads，It is mainly used for the spindle of large precision machine tools and the roll support of finishing rolling equipment。In recent years，This type of bearing has become the leading production and processing of the oversized bearing division of Luoxiang Group Company
2014-12-30 Reading quantity 1437
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