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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。]Vibrating pairIKOBearing damage is very sensitive，exfoliation、impression、corrosion、crack、Wear and tear will be reflected in the bearing vibration measurement，therefore，By using a special bearing vibration gauge（Frequency analyzer）The magnitude of the vibration can be measured，No difference can be inferred from the frequency division
2015-01-25 Reading quantity 1554
introduction： 1、Lubrication characteristics of paper making machinery： The working environment of paper making machinery is humid and high temperature，Some equipment is also associated with shock loads，Therefore, the main consideration in the selection of lubricants is its emulsification resistance、Water resistance、Thermal oxidation stability and load resistance。The lubrication points on paper making machinery are closed in principle。The wet section of the paper machine is the bearing from the flow box to the press part[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，
2015-01-25 Reading quantity 2796
introduction： Electromagnetic clutch must pay attention to the surrounding air humidity when installing，Dust in the air and other dangerous media for electromagnetic clutches。Because of dust、Air humidity, dangerous media and other factors will affect the work of the electromagnetic clutch，So be sure to pay attention to whether these factors meet the installation conditions。Like air humidity.，If the humidity of the installation environment is less than 85%, it is not suitable for the electromagnetic clutch。Install electromagnetic clutches in dangerous media containing explosive crises，Is a very dangerous thing，Therefore, the medium should be strictly tested。For dusty environments，Its not suitable for electromagnetic clutches
2015-01-25 Reading quantity 2916
introduction：one、Rotational molding There are many kinds of molding processes for plastics and their composites，Compression molding included、Extrusion molding、Injection molding、Transfer molding、Blow molding、cast、lamination、rolling、coating、Reaction injection molding and rotomolding（Also called spinning plastic、Rotary forming）And so on。In various books on the molding process of plastics and their composites，In addition to the process of rotomolding introduced more，And for the rotomizing process，So far, only a few books can find less than a few pages of description。 two、The development of roll molding abroad，Rotomizing has been one of the most widely used plastic molding processes。In this century40age，Start with polychlorine
2015-01-25 Reading quantity 2801
introduction： The method of using the exhaust energy of the internal combustion engine to drive the exhaust gas turbocharger to achieve the supercharging of the internal combustion engine。Exhaust gas turbocharger(Turbo charger for short)By turbine(Divisible turbine)And the compressor(See compressor)Two main components﹐And shafts and 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。]﹑Lubrication system﹑Cooling system﹑Sealing element﹑every
2015-01-25 Reading quantity 2799
introduction：The accuracy of the lathe is closely related to the machining quality，To ensure the quality of processing，Enables normal operation of the lathe and reduces wear，The lathe should be properly lubricated in daily production，Maintain machine tools well。 one、Lubrication of lathe Keep the lathe running properly to reduce wear，All friction areas on the lathe should be lubricated。 The lubrication parts are marked with numbers，Except as noted in the picture1、4、5At the lubricating part，required3Calcium base industrial grease(butter)Lubricate outside，All other parts are used40No. Mechanical oil for lubrication。The lubrication of each part of the lathe is as follows： (1)
2015-01-25 Reading quantity 1556
introduction：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，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]There are many reasons for failure，All factors affecting the design and manufacturing process are related toFAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、The ball、And a single row angular contact ball bearing consisting of a cage assembly with a solid window cage。]Failure dependent，analyze
2015-01-25 Reading quantity 1535
introduction：What is numerical simulation of metal forming process The numerical simulation of material forming process is such a process，In this process, people use special computer software to allow the computer to numerically calculate the changes of various physical quantities throughout the forming process，Predict all kinds of useful technical information that engineers are concerned about during the forming process，And the final calculation results in the form of a variety of graphics or animation directly and vividly displayed on the computer screen。From the screen one can see the detailed deformation process of the workpiece，And how various physical quantities change with space and time。If you craft、Improper mold or blank design，Can also see
2015-01-25 Reading quantity 2901
introduction：The shaft ring and shaft are mostly used for transition fit，The seat ring and shaft are mostly used for dynamic matching，They are often installed in pairs。Also in installation，Attention should also be paid to checking its axial clearance，And the perpendicularity of the shaft ring and the shaft center line that rotate with the shaft。 Tapered bore 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。]Installation of Tapered bore bearings are mostly round in diameter
2015-01-25 Reading quantity 1470
introduction：Rapid prototyping is80A new technology that has not yet appeared，It is completely in line with the objective needs of rapid product development。Originally the technique was called：Laser solid lithography（LSL ：LaserStereo Lithography），This name graphically depicts its essence from its working principle。The technology is developing rapidly，It is also widely used。In terms of how it works，Has been scanned from the past by laser tomography，Solidify the liquid thermosetting plastic into a solid sample，Today, it is developed directly from filamentous forming materials to solid by chromatographic fusion
2015-01-25 Reading quantity 2809
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