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rightSKFbearing[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]Regular maintenance of equipment、Aligning ball bearings removed during operation and replacement of peripheral parts are stopped for inspection，The requirements in turn determine whether the secondary bearing parts can be used again and record the use of better than worse。To find out and find out
TIMKENbearing[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。]After installation，To check that the installation is correct，An operational check is required。Small machines can be turned by hand，To make sure the rotation is smooth。Check items for foreign bodies、scar、Poor operation due to indentation，Due to poor installation，The force caused by poor processing of the mounting seat
Wear failure refers to the relative sliding friction between surfaces resulting in continuous wear of the metal on their working surfaces。Constant wear and tear will causeINAbearing[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。]Progressive failure of parts，And the resulting spherical ball bearing with seat[bearing:bearing（“Bearing”，Japanese person“Axial receptor”
TIMKENImported 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。]One revolution、Raceway surface of inner ring and outer ring，Due to the rolling contact with the rolling element，Therefore, the trajectory is dark，The running track attached to the raceway surface is not abnormal，The load conditions can then be determined，So with the bearing removed，Please pay close attention and observe the running track of the raceway surface。If you look at the trajectory carefully，You will be told that only radial loads are carried
（1）China lubricating oil classification standard All-purpose lubricating oil： UHVI（VI>140）、VHVI(VI>120)、HVI(VI>80)、 MV(VI:40-80)、 LVI(VI〈40〉 High viscosity index、Low freezing point and low volatility neutral oil：HVIW Medium viscosity index highly refined neutral oil：MVIW High viscosity index、Highly refined lubricating oil：HVIS Medium viscosity index low freezing point low volatile neutral oil：MVIS （2）International standard for the classification of lubricants AmericaAPI
Checking the condition of machines in operation and preparing a thorough inspection plan has become more and more serious。Which again with 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。]Be the center of attention，Because its the most important rotating part of any machine。Condition monitoring is an important part of preventive maintenance。Early detection of bearings[bearing:bearing（“Beari
According to 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。]Formation mechanism of grinding metamorphic layer on working surface，The main factors affecting the grinding metamorphic layer are grinding heat and grinding force。Lets analyze the causes of bearing failure。 1.KOYOGrinding heat of bearings inKOYOBearing grinding process，Grinding wheel and workpiece contact zone，Consumes a lot of energy，Generate a lot of grinding heat，Bring about
When machining parts on a digitally controlled machine，Starting with the analysis of part drawings and machining requirements to obtain the program instructions or information carriers required for the digital control system of the machine tool（Perforated tape、Tape scheduling）The whole working process，Short program。 There are two kinds of programming methods for NC machine tools: manual programming and automatic programming。Manual programming is to complete all the programming work manually，Including numerical calculation by computer（figure1 [Manual programming of the work process]）。Automatic programming is the use of numerical control language and numerical control program system，The automatic production of a program or information carrier by a computer。Numerical control language is a set of prescribed basics
A、Clear 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 model of 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
1.In a pair of gears，Gears with fewer teeth are called pinion gears，A gear with many teeth cogwheel，When the number of teeth is equal，The driving gear is called a pinion，The driven gear is called the big gear； 2.In an external gear，It works backwards for you，Turn the pinion to the right，The big gear turns to the left； 3.In an inner gear，Both gears run in the same direction； 4.In a pair of gears，Run number、The number of teeth is inversely proportional，A small gear has more revolutions than a big one，Its tooth ratio，Gear ratio of reducer is as follows： Gear ratioⅰ＝ Number of big gear teeth/pinion
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