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Hardness conversion table: Brinell hardness and Rockwell hardness Brinell hardness Rockwell hardness Tensile strength Brinell hardness
The reasonable arrangement of components is the best designPCBThe basic premise of the graph。The main requirements for component layout are installation、Be stressed by force、Suffer from heat、signal、Aesthetic five aspects of the requirements。 1.1.Install Refers to the specific application，In order to successfully install the circuit board into the chassis、shell、Sockets，No spatial interference occurs、Short-circuit accident，And a set of basic requirements for a specified connector to be in a specified position on a case or housing。I wont go into details here。 1.2.Be stressed by force The circuit board should be able to withstand various external forces and vibrations during installation and work。For this board
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
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
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
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
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
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”；
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（“
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
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