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introduction： The clutch tells you what to pay attention to when the car is in gear？ one、 Straight road without bends,Downhill followed by uphill,If the slope up is not very steep,Its usually driven up by inertia,Stay out of gear。If its a long slope,When you go down the hill, you have to get into gear when you go up the hill,Dont wait for too much inertia to burn before moving into gear,So long slope,A steep hill is usually in fourth gear,You cant get into fifth without moving into fourth,And its bad for the engine。But be careful not to get into gear too early,Because if its going fast,This time in gear due to engine braking force,Itll give the car a hard time
2015-01-04 Reading quantity 2920
introduction：one．SMTBasic process structure Screen printing（Or dispense）-->mount-->（solidify）-->Reflow welding-->cleanse-->Detection-->&nbs
2015-01-04 Reading quantity 2908
introduction：TIMKENbearing[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。]Failure during operation is a frequent occurrence，So dont be surprised。Out of order，Judgment and handling is key。 1、High bearing temperature：While the machine is running，InstallTIMKENThe bearing part is allowed to have a certain temperature，When you touch with your hand
2015-01-04 Reading quantity 1503
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 when you remove the bearing，Please pay close attention and observe the running track of the raceway surface
2015-01-04 Reading quantity 1576
introduction：Be used forIKOImported bearing[Imported bearing:Simply put, the import bearing agent refers to the sale of an imported bearing brand。The main brands of imported bearings arenskbearing，ikobearing，fagbearing，Of good quality，Of course, the price is not cheap。]The grease inside must have anti-rust effect，Rust inhibitor preferably insoluble in water。Grease should have good adhesion，And can form an oil film on the surface of the steel，Grease softens during machining，Lead to leakage。Normal running time，Oil will be produced byIKOImported bearing[Imported bearing:Simply put, the import bearing agent refers to the sales of an imported bearing brand
2015-01-04 Reading quantity 1559
introduction： Tapered 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。]Part working surface and core in condition、Structural and performance requirements are quite different，The overall heat treatment is often not taken into account，The potential of materials is also underutilized。Application of material surface strengthening technology is not only
2015-01-04 Reading quantity 1529
introduction： IKOThe use of bearings on machine tools is mainly used in the following three parts：Principal axis、Ball screw and general drive shaft。 Principal axisIKObearing[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。]As the basic parts of the machine tool，Its performance directly affects the speed of the machine tool、Turning accuracy、rigidity、Anti-flutter vibration cutting
2015-01-04 Reading quantity 1494
introduction： The unit of measurement for calculating the theoretical weight of steel is kg（kg）。Its basic formula is： W（weight，kg）=F（Sectional areamm2）×L（Length，m）×ρ（density，g/cm3）×1/1000The density of steel is：7.85g/cm3 The theoretical weight calculation formula of various steels is as follows： name（unit）Calculation formula Symbolic meaning Calculation example round steel wire rod （kg/m）W=0.006165×d×dd=diametermmdiameter100mmRound steel of，quadraturemweight。everymweight=0.006165×10
2015-01-04 Reading quantity 2946
introduction：If 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 value and speed of dynamic load vary with time，Then in the calculation of equivalent load must have the corresponding consideration。Continuous load and speed curves are replaced by segmented approximations
2015-01-04 Reading quantity 1584
introduction：1、If you want to use the inverter correctly, The problem of heat dissipation must be seriously considered。 The failure rate of frequency converter increases exponentially with the increase of temperature。The service life decreases exponentially with increasing temperature。Ambient temperature rise10The degree of，Frequency converter service life halved。 therefore，We should pay attention to the heat dissipation problem！ When the frequency converter is working，The current flowing through the inverter is very large, The heat generated by the frequency converter is also very large，The impact of its heating cannot be ignored。 usual，The frequency converter is installed in the control cabinet。We need to understand the approximate heat of a frequency converter.
2015-01-04 Reading quantity 2950
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