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introduction： 1Improve the original quenching medium，New quenching medium is adopted Quenching medium is an important guarantee for the implementation of quenching process，It has great influence on the quality of the workpiece after heat treatment。Correct selection and reasonable use of quenching medium，The workpiece deformation can be reduced，Prevent cracking，Ensure the required organization and performance。 In heat treatment production，The commonly used quenching medium is water、oil、salts，Each has its advantages and disadvantages。Such as，Water is the most widely used、The most economical quenching medium with strong cooling capacity，But it cools very quickly in cold regions，Easy to make the workpiece deformation and cracking；When the water temperature exceeds40℃The above，Its cooling
2015-01-10 Reading quantity 1558
introduction： Cages are parts without rolling working surfaces，Its failure should not impact the inner and outer rings and rolling elements，In principle, its not on the list。 however，The diagnostic system found a large number of cage failures，The mechanism is： When the cage window breaks，The lost material produced by vibration and friction of the fracture enters the grease，By the expert system“Free impurity model”Identification and alarm； Or lost things stick to the inner and outer rings、The working face of the rolling element is analyzed by an expert system“Parasitic impurity model”Determine the fault of the parasitic working surface and alarm； unpackFAG
2015-01-10 Reading quantity 1597
introduction：Bearings are generally considered to be an important component of system engineering to improve working surface reliability[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。]（INAThe work function of the bearing is lost in its delineation，A phenomenon that causes failure or non-operation as a failure is called（Bearing failures can be divided according to their normal failure and two early failures，This is mainly aimed at points
2015-01-10 Reading quantity 1551
introduction：Reducer is a kind of widely used in all walks of life，What are the installation and precautions for the reducer？Tianjin Golden Light transmission technology believes that ensuring installation problems and paying attention to problems in use can save users money and time。 1.Mounting reducer，Attention should be paid to alignment of the transmission center axis，The error shall not be greater than the compensation amount of the coupling used。Good alignment can extend service life，And obtain the ideal transmission efficiency。 2.When installing the transmission on the output shaft，Hammering is not allowed，Assembly fixtures and internal threads at shaft ends are usually used，Press the drive in with bolts，Otherwise it may cause
2015-01-10 Reading quantity 2812
introduction： The reducer has been in use for a long time，Back to produce a variety of vibration noise and other conditions，That means the internal parts of the reducer are damaged，Should be repaired or replaced，Now explain one by one： (1)Gear wear Gear wear mainly includes tooth surface wear gear teeth broken gear shaft hole or keyway wear (2)Reducer 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，It is used to reduce the coefficient of friction in the process of power transmission and maintain the center position of the shaft
2015-01-10 Reading quantity 2834
introduction：qisheng cheliang Lifting vehicle lift truck Handling vehicles that load and unload cargo by themselves using forks or other working devices。Most of the objects transported by the lifting vehicle are items，According to the different operation mode can be divided into stacking type and non-stacking type two categories。Stacking type forklift with counterweight、Plug-in leg forklift truck、Front lift truck、Side lift truck、Lateral or three-way stacking forklifts and container straddles, etc；Non-stacking type pallet truck、General straddle car and picking car, etc。The lifting vehicle is easy to operate，Mobile and flexible,A variety of operations can be performed after changing various fittings,Be mechanical
2015-01-10 Reading quantity 2816
introduction： Adopt five-axis linkage machine tool to process mold，The number of fixtures used can be reduced，Reduce tool costs，Improve mold processing accuracy。 Advantages of five-axis linkage machine tools In the traditional mold processing，Generally, the vertical machining center is used to complete the milling of the workpiece。With the continuous development of mold manufacturing technology，Some weaknesses of the vertical machining center itself are becoming more and more obvious。Ball end milling cutter is commonly used in modern mold processing，Ball end milling cutter brings obvious benefits in mold processing，But if you use a vertical machining center，Its bottom line velocity is zero，This gives the underside a poor finish，If make
2015-01-10 Reading quantity 2807
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。]In addition to excellent quality，Its a very sophisticated part，Both high-performanceTIMKENbearing，If used improperly in the course of use，Not only can not achieve the expected performance effect，And its easy to makeTIMKENBearing failure，In terms of lubrication, we are sure
2015-01-10 Reading quantity 1465
introduction：introduction With the development of microelectronics technology，The function of embedded system is becoming more and more powerful，likeUARTmouth、IrDA、USB、I2CandSPIThese serial interfaces or devices exist simultaneously in an embedded system，Realizing unified management of them will greatly improve the portability of the whole embedded system、Ease of use and development efficiency。In this paper, the serial device management technology of embedded system is studied，Put forward“withUSBSerial management of”model，The realization process of serial device management is described in detail。 Serial device management
2015-01-10 Reading quantity 2917
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。]It mainly bears radial diameters、Axial combined load。Bearing capacity depends on the raceway Angle of the outer ring，The greater the Angle, the greater the load capacity。This type of bearing belongs to the separation type，According to the number of columns of rolling elements in the bearing is divided into single columns、Double and quadruple row tapered roller bearings。Uniserial circle
2015-01-10 Reading quantity 1674
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