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introduction：1.The first is according to 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。]Rolling sounds to identify and check We can use a sounder，In operationINAThe size and sound quality of the bearing rolling sound are checked。Because the bearing even has a slight peel and other damage，Abnormal and irregular sounds can also be produced，Hence the phonometer
2015-01-15 Reading quantity 1557
introduction：When detecting the straightness error of upper silver guide rail with a flat ruler，Apply a thin layer of red lead oil evenly on the surface of the guide rail to be tested，Place the ruler over the surface of the guide rail to be inspected，Use appropriate pressure for short distance reciprocating movement of the lapping point，Then take off the ruler，Observe the distribution of lapping points on the surface of the guide rail and the density of the thinnest lapping points。
2015-01-15 Reading quantity 22731
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。]The life span is very important to maintenance and maintenance，Because it is related to the length of life of the pump shaft bearing，The level of work efficiency。Take care of what you useINAbearing，Will bring a lot of benefits，For example, it can bring high productivity，Produce higher quality precision
2015-01-15 Reading quantity 1550
introduction：pingheng zhongshi chache Counterweight forklift truck counter balanced fork lift truck There are lifting forks in front of the body、A lifting vehicle with a counterweight at the rear of the body，Forklift truck for short（figure1 [Counterweight forklift truck]）。Forklifts are suitable for ports、Loading and unloading in stations and enterprises、Stacking and transporting into pieces。3Forklifts under tons are also available in the cabin、 Work in train cars and containers。After changing the fork into various fittings，Forklifts can carry a variety of goods，If the bucket can be transferred in bulk
2015-01-15 Reading quantity 2821
introduction：Clean the surface of the machine before inspection，Then disassembleKOYOParts around the bearing。Oil seals are fragile parts，Therefore, careful disassembly is required，Do not apply excessive force，Then carefully inspect the oil seal and its surrounding parts，If adverse symptoms have been shown，Be sure to replace，Bad oil seals can cause 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，It is used to reduce the coefficient of friction in the process of power transmission and keep the center position of the shaft fixed
2015-01-15 Reading quantity 1484
introduction：High speed tool steel is mainly used in the manufacture of cutting tools。Due to its high red hardness、Good wear resistance、High strength characteristic，It is also used to manufacture molds with high performance requirements、roll、High temperature 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。]And high temperature springs, etc。The hardness of high speed tool steel after heat treatment can reachHRC63above，
2015-01-15 Reading quantity 2919
introduction：1．Purpose and method of feed drying The purpose of feed drying is to remove excess water in feed raw materials，Facilitate packing、transport、deposit、Processing and use。There are many ways to classify dryers，According to the structure of the dryer different classification，Commonly used dryers are：Spray dryer、Fluidized bed dryer、Pneumatic dryer、Rotary cylinder dryer、Drum drier、Infrared dryer、High frequency dryer, etc。 2．Emerging dryer （1）Spiral flash dryer Spiral flash dryer mainly by the feeder、Drying chamber、Cyclone separator and cloth bag collector。The material to be dried is fed
2015-01-15 Reading quantity 2826
introduction： Magnetic powder clutch in the use of installation when some matters need attention。 one、The clutch must be cleaned before installation，Remove anti-rust grease and debris。 two、Power supply and control lines，The clutch power supply is DC24v(Except for special orders)。It consists of three-phase or single-phase AC voltage through step-down and full wave rectification(Or bridge rectifier)gain，No voltage regulation and flat wave require power to be large enough。Half wave rectifier power supply is not allowed three、The clutch can be mounted coaxial，It can also be mounted on separate shafts，The axis must be fixed，The active part and the driven part are not allowed to have shafts
2015-01-15 Reading quantity 2953
introduction： one、Brief history and trend of development of numerical control system 1946The worlds first electronic computer was born，This suggests that humans have created tools that augment and partially replace mental work。Its with man in agriculture、Those created in industrial society are only compared to the tools that enhance physical labor，Made a qualitative leap，It has laid the foundation for mankind to enter the information society。 6After the New Year，Right when1952years，Computer technology is applied to machine tools，The first CNC machine tool was born in the United States。thence，Traditional machine tools have produced qualitative changes。For nearly half a century，Numerical control
2015-01-15 Reading quantity 2933
introduction：At that time, the main work was to explore the working mechanism，The mathematical model is established from classical lubrication theory，Numerical calculation method，Quasi-analytic methods, etc，Take the theoretical research one step further。In view of the classical theory, the peak pressure of the oil film reaches100MPaabove，Then the applied research of elastic flow theory is carried out，then，Some scholars who study elastics，Only the study of high secondary elastic flow in inverse contact is paid attention to，And on plain 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 are opposite each other on the shaft
2015-01-15 Reading quantity 1485
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