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introduction：1.Observe the appearance and packaging Inside and outsideKOYOBearing rings and rolling anti-rust oil wipe surface should be smooth as a mirror，As smooth and delicate as glass，Theres a clear end，Let the traces be processed。dustshell，The surface roughness of the shell dust can be greater，But at present there is no part of the corrosion phenomenon。 2.View flag inKOYOThe outer surface of the bearing is engraved with the code，place of origin，Date of manufacture and other identification，Should pay attention to。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
2015-01-30 Reading quantity 1448
introduction： Round blade on the outside of the car：The selection principle is mainly determined according to the specific situation of the processing technology。Generally, the blade with higher versatility and more cutting edges on the same blade should be selected。Choose larger size when coarse，fine、Choose a smaller size when semi-finished。SThe shape：Four cutting edges，The cutting edge is short（Equal tangent circle diameter），The tip strength is higher，Be mainly used for75°、45°Turning tool，The inner hole cutter is used for machining through holes。TThe shape：Three cutting edges，Long cutting edge，Low tip strength，The blade with auxiliary deflection Angle is often used in ordinary lathes to improve the strength of the tool tip。Be mainly used for90°Turning tool。Mainly used in the inner hole turning tool
2015-01-30 Reading quantity 2884
introduction：Wall temperature at work-20℃The following pressure vessel liquefies ethylene、Liquefied natural gas、The containers used for storage and transportation of liquid nitrogen and liquid hydrogen are low-temperature pressure vessels。Ferritic steel commonly used in pressure vessels is used when the temperature is reduced to a certain temperature,The toughness of steel will decline sharply，Its very brittle,This temperature is often referred to as the brittle transition temperature。When the pressure vessel is used below the transition temperature，If there is a defect in the container、Residual stress、High local stress caused by stress concentration and other factors，The vessel may suffer a brittle rupture without significant plastic deformation, resulting in a catastrophic accident。For low temperature pressure
2015-01-29 Reading quantity 2797
introduction：1 Plastic analysis figure1Product diagram for this bottle cap。It consists of a lid bodyAAnd flapBMake up，The cover body and the clamshell are connected by hinges。After the clamshell closes the lid body，It is not allowed to pop up，So its on the inside of the flapCAnd the outer part of the operculumDBoth are equipped with convex ribs。This cover cannot be used alone，Need to be used in conjunction with another part，Hence its inner sideEIt is also provided with ribs，Clamp the two tightly。No large gap is allowed after the cover is closed，The middle sphere is a thin-walled part，It is required to deform under moderate force，So the wall thickness is0.8 mm，Material with high pressurePE. figure1 Bottle cap product drawing
2015-01-29 Reading quantity 2793
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。]Much of the maintenance is the same，But every industry is different，It also has different maintenance。Today I will tell you about the pumpINABearing maintenance。 （1)New water pump put into service，Generally in operation100Replace the grease after hours(oil)，In order to
2015-01-29 Reading quantity 1458
introduction： After using the reducer for a long time，There will be a variety of vibration noise and other situations，This means that the internal parts of the reducer are damaged，Need to be repaired or replaced，The following describes the repair method： (1)Gear wear is mainly caused by tooth surface wear，Thus the shaft hole of the gear is broken or the keyway is worn。 (2)Reducer 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，Be used for
2015-01-29 Reading quantity 2890
introduction： Mechanical transmission using friction between two or more wheels pressed against each other to transfer power and motion。Friction wheel drive can be divided into two types: constant transmission ratio drive and variable transmission ratio drive。The transmission ratio is basically fixed, constant transmission ratio friction wheel drive﹐It is also divided into cylindrical flat friction wheel drive﹑Cylindrical groove friction wheel drive and cone friction wheel drive 3Species type(figure1 Friction wheel drive )。The first two types are used for transmission between two parallel axes﹐The latter type is used for transmission between two crossed shafts。Working hours﹐There must be sufficient pressing force between the friction wheels﹐To avoid slipping﹐Damaged friction wheel﹐Affect normal transmission。In phase
2015-01-29 Reading quantity 2811
introduction：Recommend for youRProduct characteristics of coaxial helical gear reducer： RCoaxial helical gear reducer 1、RCoaxial helical gear reducer combined with international technical requirements，It has high scientific and technological content 2、Save space，Reliable and durable，High overload capacity，Power reachable132KW; 3、Low energy consumption，Superior performance，High speed reducer efficiency95%above； 4、Low vibration，Low noise，High energy saving； 5、High quality forged steel material is selected，Steel cast iron housing，The gear surface is subjected to high-frequency heat treatment； 6、Precision machined，Ensure shaft parallelism and position bearings[bearing:bearing（
2015-01-29 Reading quantity 2804
introduction： 1.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 roundness of the inner ring channel is an important quality index，It directly affects the working accuracy of the bearing、Smoothness and service life。Grinding is usually a semi-finishing or finishing process of the inner ring groove，It plays a decisive role in the roundness of the finished inner ring channel，The roundness of the inner ring trench grinding is removed
2015-01-29 Reading quantity 1459
introduction： 1、Horizontal cycloidal reducer is lubricated by oil pool under normal conditions，Keep the oil level in the middle of the oil window，Poor working conditions，Cyclic lubrication can be used when the ambient temperature is high。 2、Cycloidal pinwheel reducer is generally used at room temperature40#or50#Mechanical oil lubrication，In order to improve the performance of the reducer、Prolong the service life of cycloidal pinwheel reducer，Recommend to adopt70#or90#Extreme pressure gear oil，Lubricating oil can also be reconsidered when working at high and low temperatures。 3、Vertical installation of planetary cycloidal pin wheel deceleration
2015-01-29 Reading quantity 2794
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