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introduction：First of all, self-refining bearings are used[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。]steel，In hardness and precision to ensure the quality of the product。 KOYObearing[KOYObearing:kOYOBearings are generally required to bear large loads，Often without a cage，Instead, fill the inner and outer raceways with rolling elements。And most small and medium-sizedK
2015-03-09 Reading quantity 1439
introduction：SKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fabriken”The Chinese transliterated name is“SKF”；SKFThe group is headquartered in Gothenburg, Sweden，Is a leader in bearing technology and manufacturing。SKFBearings can be divided into sliding according to different specific structures and similarities and differences in working propertiesSKFBearing and rollingSKFbearing]Maintenance of、overhaul、And exception handling To maintain it in good condition for as long as possibleSKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fab
2015-03-09 Reading quantity 1529
introduction：Forklift battery charging technology 1、 Pre-charge check：Check whether the battery is intact，Whether the wiring is in good condition，And open the gas cap。 Do not open or remove the injection plug on the battery Do not add liquid before or during charging No smoking is allowed near the battery、Produce sparks or open flames The battery cannot discharge simultaneously during charging Do not leave metal tools on the battery while charging Do not repair the battery while charging The electrolyte temperature is lower than that during charging55℃ 2
2015-03-09 Reading quantity 2784
introduction： Water turbine﹑An important parameter commonly used in turbine machinery such as power pump and fan﹐Also known as specific speed。The concept of specific revolution was first used in the study of water turbines﹐Later, it is widely used in power pumps and ventilators。Because countries use different units of measurement﹐The specific revolutions defined and calculated are also different。table1 Definition of specific revolutions Represents the definition of Chinese comparative revolutions。Speed is shown in the table(turn/points)﹔As the flow(meter/seconds)﹔N As power(kilowatt)﹔H The head of a turbine or the head of a pump(meter)﹔For full pressure
2015-03-09 Reading quantity 2798
introduction：For wear，The traditional solution for enterprises is to repair welding or machining after brush plating，But both of them have some drawbacks：The thermal stress caused by high temperature welding cannot be completely eliminated，Easy to cause material damage，Causes the component to bend or break；Brush plating is limited by coating thickness，Flaking easily，And both of the above methods use metal to repair metal，Cant change“Hard on hard”Cooperative relationship，Under the combined action of all forces，Can still cause re-wear。For some big bearings[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission
2015-03-09 Reading quantity 2885
introduction：In softened water，calcium、Components such as magnesium are replaced by sodium；While being（By specific electromagnetic principles）Treated water，Only the crystal structure of the calcium ions is changed，It dissolves in water in a very small particle state。Both methods can prevent the formation of scale in the pipe。 On quilt"handle"Through water，Healthy components such as calcium remain in the water，And in a state that the body can absorb（Dissolved state）exist。 On quilt“malacia”Through water，Minerals such as calcium are leached out of the water，The sodium component increases，Make the water undrinkable。
2015-03-09 Reading quantity 2894
introduction：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。]Purpose of lubrication： The lubrication purpose of rolling bearings is to reduce the internal friction and friction loss of bearings，anti-burning、Its lubricating effect is as follows。 （1）、Reduce friction and wear。 The ring is formed in the bearing、The mutual contact part of the rolling element and the retainer，Prevent metal contact，antifriction
2015-03-09 Reading quantity 1446
introduction：Induction heating surface quenching is one of the more widely used methods，The former Soviet Union carried out a lot of research on the theory and production application of this process，Its main applications fall into two categories：One is railway 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。]Induction hardening of the surface，Adopt new materialsШХ4The steel ring is quenched by induction heating
2015-03-09 Reading quantity 1444
introduction：Imported 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。]Pretreatment method of surface rust： (1)Surface cleaning：Cleaning must be combined with imported bearings[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。]The nature of the surface and the conditions at the time。Commonly used
2015-03-09 Reading quantity 1542
introduction： 1、introduction Our daily production、The tools and products we use in our lives，As big as the base of the machine、Fuselage shell，As small as a blank head screw、Buttons and casings for various household appliances，All have a close relationship with the mold。The shape of the mold determines the shape of these products，The processing quality and precision of the mold also determine the quality of these products。Because of the material of various products、appearance、Different specifications and uses，The mold is divided into casting molds、Forging die、Die-casting die、Stamping die and other non-plastic mold，And plastic molds。 In recent years，With plastic
2015-03-09 Reading quantity 2884
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