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introduction：jiechu yingli Contact stress contact stress The stress generated in and near the contact area when two contact objects are pressed against each other。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。]、Gears and cams and other parts，Under the repeated action of high contact stress，Will be in
2015-05-28 Reading quantity 2943
introduction：influenceTIMKENImported 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。]Service life can have many factors that may cause factors and internal friction sound has been further explained，Use。The main factor used for adjustment is installation，Use and maintenance，Maintenance and repair，And meet the technical requirements。According to theTIMKENImported bearing[Imported bearing:Simply put, the import bearing agent refers to the sale of an imported bearing brand。Into the
2015-05-28 Reading quantity 1607
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。]At work，For a variety of complicated reasons，Such as unreasonable structure，Poor material quality，Low performance，Defects in the work surface，strike，Vibration，Improper installation and poor lubrication，Can cause early bearing failure。however，In some cases，someINABearing is fundamentally
2015-05-28 Reading quantity 1633
introduction：Combination of silver rails，The first thing to be clear is the size of the silver guide rail，span，To combine and calculate。
2015-05-27 Reading quantity 19704
introduction： Processing wood products mortise(Male tenon)Woodworking machine。There are two types of mortising machine: straight mortising machine and dovetail mortising machine﹐The former is divided into single head and double head two kinds﹐The latter is divided into vertical and horizontal two。 Single head straight tenoning machine There are4～6Root principal axis﹐Each driven by a separate electric motor。6Shaft tenoning machines are available4Individual station﹐The configuration of each axis is﹕1A circular saw shaft﹑2A horizontal milling cutter shaft﹑2A vertical milling cutter shaft and 1Middle slot milling cutter shaft﹐It is used to cut the end and mill the cheek﹑tenon
2015-05-27 Reading quantity 2880
introduction：The technology is moving、High purity silicon nitride powder sintering process with static bonding，Its purpose is to keep a certain proportion of the reaction gas in the furnace；Improve control accuracy，Control the reaction rate at rest，Dynamic ventilation。 The performance index of silicon nitride powder produced by this technology is close to that of GermanyM11powder，Surpass JapanDankapowder，Products have been exported to the United States。 The product is of high purity、The particle fineness is small、Large specific surface area，The sintering activity and properties of sintered bodies have reached the international level：Purity of crystalline phaseαphase＝95％，dissociateSi≤0.5％，Ｆe２O３≤0.1％，Ｃa
2015-05-27 Reading quantity 1520
introduction：Stainless steel terms In popular terms，Stainless steel is steel that does not rust easily，Actually part stainless steel，Both rust proof，Its also acid resistant（Corrosion resistance）。Stainless steels rustlessness and corrosion resistance are due to the chromium-rich oxide film on its surface（Passivation film）The formation of。This rustlessness is relative to corrosion resistance。The test shows that，Steel in atmosphere、In weak medium such as water and oxidizing medium such as nitric acid，The corrosion resistance increases with the increase of chromium water content in the steel，When the chromium content reaches a certain percentage，The corrosion resistance of steel has changed dramatically，From easy to rust to not easy to rust，From non-corrosion resistant to corrosion resistant。Classification method of stainless steel
2015-05-27 Reading quantity 1643
introduction： The raceway sound generation source is caused by the natural vibration of the ring after receiving the load。The elastic contact between the ring and the rolling body constitutes a nonlinear vibration system。When the lubrication or machining accuracy is not high, the inherent vibration related to this elastic feature will be excited，When transferred to the air, it becomes noise。As everyone knows，Even with the most advanced manufacturing techniques of our timeNSKbearing[NSKbearing:Seiko Co., LTD（NSK LTD.）Be established in1916years，It is the first manufacturer to design and produce bearings in Japan。NSKThe function of the bearing fit is to makeNSKThe stationary ring and the rotating ring of the bearing are respectively safe
2015-05-27 Reading quantity 1531
introduction：How to fixFAGbearing[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。]？This is a process that many users will encounter problems with，We have a three-step strategy to solve this problem，I hope we can help。 First step，We can see fromFAGbearing[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。]Worn appearance，Then the repair situation appears，A simple surface
2015-05-27 Reading quantity 1557
introduction：No direct output of mechanical work，Only compressed air or certain pressure is provided、The temperature of the working gas of an internal combustion engine。Its working cycle is similar to that of an opposite-piston two-stroke diesel engine。In addition to the power cylinder, the engine also has an air compressor and an air cushion cylinder。The power piston is integrated with the compressor piston，Piston assembly。The transfer of power between the power cylinder and the compressor is completed by the piston group。What is called“Free piston”It means that the engine does not have the crank linkage mechanism of the usual internal combustion engine（See crank slider mechanism），The movement of the piston group is determined by the pressure of the gas acting on it，And with the engine conditions change。Piston group movement of the te
2015-05-27 Reading quantity 2895
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