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introduction： Adapt to national industrial development，The domestic reducer needs to accelerate In recent years，With the acceleration of economic globalization，Germany、France、Japan and other countries deceleration mechanism manufacturing giants have rushed to China，Occupy the middle and high-end market of Chinas reducer。At the same time，Chinas reducer industry after a good development period, but due to various factors into the industry development“Bottleneck period”，With the international industry giants in China constantly“Capture cities and land”，Domestic reducer products and market advantages are no longer scenery。To this situation，Chinas reducer industry enterprises should seriously reflect on the gap between themselves and international industry giants，In this
2014-12-21 Reading quantity 2875
introduction：1，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。]Radial load Bearings that bear mainly radial loads[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
2014-12-21 Reading quantity 1743
introduction：The electromagnetic clutch depends on the coil to control the clutch engagement and separation。 Electromagnetic clutches can be divided into：Dry single disc electromagnetic clutch，Dry multi-disc electromagnetic clutch，Wet multi-disc electromagnetic clutch，Magnetic powder clutch，Slip type electromagnetic clutch, etc。 Electromagnetic clutch working mode can be divided into：Power bond and power bond。 Dry single disc electromagnetic clutch：When the coil is energized, it produces a magnetic pull“armature”slice，The clutch is engaged；Coil off“armature”rebound，The clutch is disengaged。 Dry multislice Wet multi-disc electromagnetic clutch：Same principle as above，Add a few more frictions
2014-12-21 Reading quantity 2887
introduction： The body of the car straddles the cargo﹑Use special working devices for loading and unloading﹑Lifting vehicles for stacking and moving materials over short distances。According to the use can be divided into general straddle car and container straddle car two。General purpose straddle(figure1 General purpose straddle )For port﹑Station and metallurgy﹑Construction and other businesses move wood﹑Steel tube﹑steel﹑Concrete products equal length goods﹐It can also handle metal plates and unit cargo on pallets﹐High temperature billets and castings can also be handled after the heat shield is installed。Exceed in length18Meter cargo﹐Two cross-car connections are available
2014-12-21 Reading quantity 2875
introduction：Install： In the installation of the reducer，The installation accuracy of the equipment supplying bulk material to the reducer can be worse, though，But there are still high requirements。These devices are important for each transfer，Form an independent continuous line of work。A continuous operating line consists of a number of technologically interrelated feeding devices:Workshop high load，The conveying device from the bin to the weighing bucket and the equipment from the weighing bucket to the reducer are composed。 This continuous feeding line works automatically，According to the prescribed procedure can be0.1^10Weighing ingredients in the ton range，Some weighed ore and lime，Another bucket weighs bauxite and lime。pass
2014-12-21 Reading quantity 3057
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 use factor mainly refers to the installation adjustment、Service and maintenance、Whether the maintenance and repair meet the technical requirements。On the basis ofSKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fabriken”The Chinese transliterated name is“SKF”；
2014-12-21 Reading quantity 1648
introduction： whenIKOWhen the bearing rotates，Self-aligning roller 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。]The raceway surface of the inner ring and the outer ring is in rolling contact with the rolling body，Therefore, the trajectory is dark，The running track attached to the raceway surface is not abnormal，The load conditions can then be determined，So when removing the bearing[bearing:bearing（“
2014-12-21 Reading quantity 1687
introduction： KOYOBearings in the process of use due to their own quality and external conditions，Its carrying capacity、Rotation accuracy and wear resistance will change.Stainless steel 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。]When the performance indicator is lower than the usage requirements and cannot work properly，bearing[bearing:shaft
2014-12-21 Reading quantity 1596
introduction：Characteristics of liquid nitrogen and mechanism of liquid nitrogen quick-freezing preservation Liquefied nitrogen gas———Liquid nitrogen，It is a colorless transparent liquid with low viscosity，Chemically stable，The boiling point of liquid nitrogen at atmospheric pressure is77．35K。No chemical reaction with poultry food ingredients，Meet the requirements of food hygiene，It is an ideal freezing preservative。The amount of nitrogen in the air is about78％，So in the atmosphere around the Earth，There is an inexhaustible supply of nitrogen。 At atmospheric pressure，Liquefied nitrogen occurs when the liquid phase changes into a gas phase，The average latent heat of evaporation to be absorbed per kilogram of liquefied nitrogen is199．29Kilojoule (kJ)，recause77．
2014-12-21 Reading quantity 2975
introduction： Whether the datum surface is selected accurately or not will directly affect the machining accuracy of the workpiece，The specific selection principles are as follows： (1)In general，The surface with less surface roughness should be selected as the base surface。 (2)When grinding surfaces of varying sizes，The large area should be chosen as the benchmark，This will hold the clamp firmly，And it is beneficial to achieve parallelism requirements by grinding away less margin。 (3)In parallel surface visible position tolerance requirements，The surface of the workpiece with small form and position tolerance or the surface that is conducive to the requirement of form and position tolerance should be selected as the reference surface。 (4)The root
2014-12-21 Reading quantity 1573
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