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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。]Its a precision part.，Its use must also be carried out with corresponding care。No matter how high performance bearings are used，If used improperly，You dont get the high performance you expect。The use of bearings should be noted as follows。 one、Keep bearings and their surroundings clean Even if you cant see it
2015-01-15 Reading quantity 1542
introduction： A metal skeleton is like a steel bar inside a concrete member，Play a strengthening role，And the oil seal can maintain shape and tension。usual，Skeleton oil seal in the free state，Its inner diameter is smaller than the shaft diameter，That has a certain“Magnitude of interference”。therefore，When the oil seal is loaded into the oil seal seat and shaft，The pressure of the edge of the oil seal and the contraction force of the self-tightening helical spring produce a certain radial tightening force on the shaft，After a period of running，The pressure will quickly decrease or even disappear，consequently，The spring can compensate the self-tightening force of oil seal at any time， The outer edge of the oil seal makes the oil seal fixed in the cavity hole at the same time，Prevent fluid from rising from oil
2015-01-15 Reading quantity 1667
introduction：INAbearing[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。]If well lubricated，And correctly block debris and moisture,Indicates that the oil seal should not be worn.however,Preferably when opening the bearing box,Check the plain bearing and check the oil seal regularly.Check the condition of oil seal near bearing，To ensure they are adequate to protect against hot liquids or corrosion
2015-01-15 Reading quantity 1554
introduction： Bearing for vibration[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。]Different characteristics from ordinary bearings 1.Design structure Bearing for vibration： A.The diameter of the rolling element is increased，The length of the rolling element is increased。B.The cage is guided by the outer rim，Reduce the force on the roller。 C.With inner ring
2015-01-15 Reading quantity 1575
introduction：KOYOImported bearing[Imported bearing:Simply put, the import bearing agent refers to the sale of an imported bearing brand。The main brands of imported bearings arenskbearing，ikobearing，fagbearing，Of good quality，Of course, the price is not cheap。]，In most cases，Working condition：Use appropriate gaps。Depending on the use，And bearing in the assembly，Bearing advance，Internal stress，Make negative bearing clearance available，This approach is called using preloading。More suitable，Such as angular contact ball bearings，Tapered roller bearings，Bearings for two families，Bearing clearance，Can be adjusted。 1preload
2015-01-15 Reading quantity 1604
introduction： A grinding machine that grinds raw coal into pulverized coal﹐It is the main equipment in the boiler pulverized coal preparation system。In the process of grinding pulverized coal﹐Use hot air at the same time(Or hot flue gas)The coal is dried。There are many types of coal mills﹐According to the speed can be divided into low speed mill﹑Medium speed coal mill and high speed coal mill 3class。The type of coal mill mainly depends on the type of coal﹑Boiler type and load characteristics and other conditions to choose。(See color diagram Bowl coal mill ﹑ Fan coal mill ) Low speed coal mill Mainly for drum type steel ball mill﹐Generally referred to as steel ball mill or ball mill(figure1 Drum type steel
2015-01-15 Reading quantity 2852
introduction： Boiler preventer﹑A valve that damages equipment, such as pressure vessels, or pipes due to overpressure。When the fluid pressure in the protected body reaches a specified value slightly higher than the normal working pressure(The valve opening pressure)when﹐Automatic opening of safety valve﹐Partial discharge of fluid﹐Pressure down。When the pressure drops to a value slightly below normal working pressure(The valve return pressure)when﹐Automatic closing of safety valve﹐Stop discharge of fluid and maintain seal。 According to the different loading methods of the valve disc, the safety valve is divided into two categories: weight type and spring type(See picture Safety valve structure )。The heavy weight type is divided into direct heavy weight type and
2015-01-15 Reading quantity 2817
introduction： With drill(See woodworking tool)Woodworking machine for machining through or blind holes in workpieces。The woodworking drilling machine is horizontal and vertical﹐Uniaxial and multiaxial﹐Mainly used for wood drilling﹑Machining dowel holes and repairing knots, etc。The structure of the vertical single-spindle woodworking drilling machine is similar to that of the metal cutting vertical drilling machine﹐The drill bit is held on the drill clamp at the lower end of the spindle﹐It is rotated by an electric motor﹐The workpiece is placed on the work table﹐Manual or automatic feed is available。Multi-spindle woodworking drilling machine(See picture Multi-spindle woodworking drilling machine)Dowel holes for processing panel furniture﹐There are single rows and multiple rows
2015-01-15 Reading quantity 2820
introduction： 4Preliminary evaluation of the system Continuous system operation3ato，Practice proves，Hardware and software complete，In good order。In the scientific management and economic operation of water supply undertakings，Have a certain value。 4.1Improved the level of management An automated monitoring and drainage system is used instead of manual operation，Now the sludge can be discharged in two ways, automatic control or timing, and the change of turbidity curve can be seen from the display screen，Keep turbidity values in check。Voice alarm for key signals，For on-duty personnel to timely donate equipment operation，Identify problems in time for maintenance and overhaul。 4.2enhance
2015-01-15 Reading quantity 2941
introduction：Simple description NMRVSeries of aluminum alloy worm gear reducer ，It was originally in the factoryEA new generation of products developed on the basis of series of products。The body is die-cast with high quality aluminum alloy，Small size、Radiate quickly，Surface warp Skin film treatment、Resistant to rust、Beautiful and durable，The worm is made of chrome-molybdenum alloy steel((SCM415)，After carburizing heat treatment and grinding，Smooth transmission、Low noise，High output torque，Suitable for all-round installation。 Double section worm gear reducer Simple description RVSeries of aluminum alloy worm gear reducer ，It was originally in the factoryEDeveloped on the basis of a series of products
2015-01-15 Reading quantity 2810
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