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introduction：Contact fatigue failure refers toINAbearing[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 working surface is subjected to alternating stress and produces failure。Contact fatigue spalling occurs in forklift bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission
2014-12-24 Reading quantity 1511
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。] Between the supporting load parts，Bearings that roll rather than slide against each other[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 are on the shaft
2014-12-24 Reading quantity 1592
introduction：To maintain it in good condition for as long as possibleTIMKENbearing[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。]Inherent performance，Must be maintained、overhaul、To prevent accidents before they happen，Ensure the reliability of operation，Increase productivity、economy。 Maintain operating standards best suited to the operating conditions of the machinery，Conduct regularly。Includes monitoring
2014-12-24 Reading quantity 1519
introduction： An engine used to power automobiles。The vast majority of cars use reciprocating piston internal combustion engines fueled by gasoline or light diesel。Cars are mainly used for transportation﹐The requirement is small in quality﹑Light and handy﹑Fuel saving﹑Adaptable and reliable power plant。Liter power of gasoline engine(Power per liter of cylinder displacement)high﹐Specific mass(Mass per unit of power)small﹐Easy start﹐Low vibration and noise﹐Used in most cars and light trucks﹑Some medium-sized buses and vans。Diesel engine fuel consumption is low﹐Overhaul mileage is long﹐Used in heavy vehicles and most medium trucks﹐Also used in passenger cars。Due to energy﹐Diesel engine use
2014-12-24 Reading quantity 2867
introduction： A gear machining machine for finishing quenched cylindrical gears with gear type or worm type honing wheel。The gear honing machine works according to the meshing principle of helical gear﹐The honing wheel drives the workpiece to rotate freely。The honing wheel is generally made of plastic and abrasive。Gear honing(See gear machining)The function is to reduce the roughness of the tooth surface﹐To a certain extent, it can also correct the local errors of tooth direction and tooth shape。Gear honing has higher production efficiency。Gear honing machines are widely used in automobiles﹑Manufacturing of tractors and machine tools。The gear honing machine is divided into two types according to the type of honing wheel used。 ①Wheel honing wheel honing teeth
2014-12-24 Reading quantity 2858
introduction： I have investigated the American spray systems blow-drying system products，And it is measured and analyzed，The technical problems of the existing equipment are found out，The concrete plan for improvement is put forward。 In beer、Drink filling line，The external surface of the filled product should be brushed with labels and printed filling time，In order to achieve better results，Required surface drying。Generally, blow drying or drying is used。However, the equipment used in the actual production is not satisfactory，It makes people lose confidence。This author has made a special field investigation，And compared the previous equipment，Now we pretty much know why。
2014-12-24 Reading quantity 2950
introduction：Many users do not know how much worm-gear reducer oil should be added to suit，Under what circumstances should worm gear reducer oil be added，Some users do not even know whether to measure the amount of oil in the stopped state or in the running state。 Worm gear reducer[2] Please follow the instructions and add more fuel，Amount of oil added to the oil window2/3position。And this data is in the shutdown state，Look out：Do not add lubricating oil when the worm gear reducer is in operation。Because during the operation of the worm gear reducer，The internal parts of the gear or worm gear rotate to drive the internal lubricating oil to run together，If in this case
2014-12-24 Reading quantity 2892
introduction： introduction Mine hydraulic support is the key equipment to realize the mechanization and automation of coal mining，Its performance directly affects the improvement of productivity，Support speed is one of the main influencing factors。The speed of support depends mainly on the speed of moving frame，Therefore, only by increasing the speed of moving frame can we meet the needs of production。There are many measures to improve the speed of moving，One of the basic measures to improve the moving speed is to improve the moving control loop。At present, the hydraulic support usually adopts single jack to realize the moving frame and pushing conveyor，Its basic control loop consists of a pushing jack、Hydraulic control check valve and reversing valve composition。the
2014-12-24 Reading quantity 2960
introduction：Ordinary optical microscopes enhance and improve the performance of the lens，Make the magnification reach１０００─１５００About times，But never exceeded２０００times。This is because the magnification capacity of ordinary optical microscopes is limited by the wavelength of light。An optical microscope uses light to see objects，In order to see objects，The size of the object must be larger than the wavelength of light，Otherwise the light will“Around the”formerly。The theoretical research results show that，The resolution power of ordinary optical microscopes does not exceed２００millimeter，Some use ultraviolet light, which has a shorter wavelength than visible light，The magnification is only about twice as good。 To see the components
2014-12-24 Reading quantity 2952
introduction： Soft dry oil or rust resistant paste hardening 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。]，Should be submerged in100—200℃In the hot oil，Clamp the bearing with pliers[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is fixed in the mechanical transmission process
2014-12-24 Reading quantity 1522
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