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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。]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 are thus known，So with the bearing removed，Please pay close attention and observe the running track of the raceway surface。
2015-01-07 Reading quantity 1462
introduction：The problem of bearing bush when the induced draft fan is running Xutang power generation Co., LTD2×300MWExtension project6The induced draft fan of Unit No. 1 is manufactured by Chengdu Electric Power Machinery FactoryAN28e6Stator vane adjustable axial flow fan，Air volume is268.74m3/s，Wind pressure is4711Pa；The motor is the model provided by Shenyang Electric Motor Co., LTDYKK710-8Electric machine，Motor speed is744r/min，The power is1 800kW，The voltage is6000V。Both ends of the motor are plain bearings[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）Its a mechanical transmission
2015-01-07 Reading quantity 1467
introduction： Greases can be used in a wide range，Working conditions also vary widely。Different mechanical equipment has very different requirements for grease performance。The performance of grease is a comprehensive reflection of the composition of grease and its preparation technology。Evaluation of performance of greases，Not only in production and research work has a decisive significance，Moreover, it is also essential for the selection and inspection of grease in the use department。According to the specific situation of the grease parts used in automobiles and construction machinery，The basic requirements for grease are：The right consistency，Good high and low temperature performance，Good extreme pressure、Wear resistance，Good resistance to water、anticorrosion、Rust and stability, etc。 l．thick
2015-01-07 Reading quantity 1552
introduction：Zou Longgui (Changzhou Jia Fa granulation drying equipment factory,Changzhou213116) Abstract：PVCProcessing aidACRPressure spray drying granulation process is adopted。Aim atACRThe heat sensitivity、From the inlet air temperature、Spray pressure and drying tower design are described。 keyword：desiccation；prilling；PVC；ACR ACRPolymer processing AIDS arePVCThe main improver in production,To improve soft、rigidPVCProcessability of。reducePVCMelting temperature，Shortening melting time，Improve production efficiency，Obtain uniform structure、table
2015-01-07 Reading quantity 2818
introduction： IKOBearings may not have their oil seal packaging removed until they are about to be delivered for routine inspection,And dip it into the contents3％Oil is washed in gasoline or acid-free kerosene，Turn its outer ring and rinse the cage carefully、The junction between the rolling element and the raceway，Any hidden parts of the original oil residue is required to be thoroughly cleaned。Plastic 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，Used to reduce the coefficient of friction and retention during power transmission
2015-01-07 Reading quantity 1450
introduction： 1) Tracking 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 position in the mill is recorded。Timken can provide roll neck bearing service record cards for customers，Can be used to record the bearing housing number，Roll number，Rack number，The position of the bearing on the mill，The bearing area of the outer ring and the tonnage of the rolled product and the number of working hours of the bearing
2015-01-07 Reading quantity 1464
introduction： 1 Subject content and scope of application This standard specifies the safety requirements for packaging machinery，Include protection、Operation and maintenance requirements, etc。 This standard applies to machines and equipment that carry out packaging directly。 2 Reference standard GB2893 Safety color GB2894 Safety sign GB3766 General technical conditions of hydraulic system GB5226 General technical conditions for electrical equipment of machine tools GB7932 General technical conditions for pneumatic systems JB/T7232 Measurement of sound power level of packaging machinery noise
2015-01-07 Reading quantity 2905
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。]Using glass fiber reinforced nylon66Made in a cage，Suitable for operating temperature120Steady state of degree，Use oil to lubricate bearings，If the oil contains additives，Could lead to a shortened life in a cage。Temperature exceeding120The degree of，CNPC shortened the aging life of the cage。cocorrespondence
2015-01-07 Reading quantity 1615
introduction： 1.Magnitude of load、Direction and nature：Ball 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。]Suitable for light loads，Roller bearings are suitable for heavy loads and impact loads。When the rolling bearing is subjected to pure axial load，Generally use thrust bearings；When the rolling bearing is subjected to pure radial load
2015-01-07 Reading quantity 1643
introduction： 1.Environmental reference temperature standard according to18℃±2℃，The calorific value of coal is5500Kcal/Kgcompute。 2.The temperature of hot air in the table is determined according to the output air volume。Hot blast stoveJRF4The temperature of the hot air can reach the highest200℃above，JRF5JRF6The temperature of the hot air can reach the highest350℃above，Users can adjust it according to their needs。 3.Chimney configuration height of hot blast stove：JRF4The type is...
2015-01-07 Reading quantity 2891
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