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introduction： 121 GB/T 8518-1987 Technical conditions of vibrating pile hammer Vibratory pile hammer--Technical condition 122 GB/T 8590-1988 bulldozer terminology Bulldozer terminology 123 GB/T 8591-1988 Earthmoving machinery The drivers seat is marked Earth-moving machinery--Seat index point
2014-12-10 Reading quantity 3024
introduction： 1.Principle of extrusion die casting die forging process Extrusion die casting die forging technology embodies“Conventional die casting（cast）Mold filling + Forging feed”The process of，Extrusion die casting die forging equipment is essentially a kind of continuous casting and forging equipment，It is a continuous casting and forging forming process。Put simply，The filling step can be made by the existing die casting machine（Low pressure casting machine）The injection filling device is complete，The forging and filling step is powered by the master cylinder（Forging cylinder）complete。Power through the master cylinder（Forging cylinder）The forging pressure is applied to the whole projector surface or the main projector surface of the part for solidification feeding，Meet the requirements of thick and large parts feeding process。 2.squeeze
2014-12-10 Reading quantity 3074
introduction：Rolling 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。]It is an indispensable and important part in mechanical transmission，It improves transmission efficiency，Reducing energy consumption plays an irreplaceable role。 In modern rolling bearings[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is fixed in the mechanical transmission process
2014-12-10 Reading quantity 1722
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。]Machining of the spherical surface in the seat（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，To reduce power
2014-12-10 Reading quantity 1744
introduction：Generally speaking，Correct use of imported bearings[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。]，Fatigue life can be achieved。But if an unexpected early injury occurs，It can no longer be used。Different from fatigue life，This early damage，Its called a malfunction or an accident。Many causes are installation、Use、Poor lubrication，A foreign body or axis invaded from the outside、The research of bearing seat is insufficient。 INABearing damage state such as roller bearings
2014-12-10 Reading quantity 1727
introduction：The torque produced on the shaft of the motorMAnd the corresponding operating speed of the relationship between the characteristics。As a function=(M)expression。It is an important characteristic to characterize the operation of the motor。 The purpose of the motor driving the load is to provide a certain torque to the working machine，And make it run at a certain speed。Torque and speed are the two basic requirements of production machinery for motor，Study the mechanical characteristics of motor to meet the requirements of production machinery process，It is of great significance to make full use of motor power and design the control and speed regulation system of electric drive reasonably。According to the different current system used, it is divided into DC motor machinery
2014-12-10 Reading quantity 3013
introduction：1、Feel the rolling bearing through the surface[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。]Quality Sales of rolling 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
2014-12-10 Reading quantity 1726
introduction： 1、Connection between reducer and working machine：The reducer is directly installed on the main shaft of the working machine，When the reducer is running，The reverse torque acting on the reducer housing，The reverse torque support mounted on the reducer box may be balanced by other methods。Machine direct matching，The other end is connected with a fixed bracket。 2、Installation of reverse torque bracket：The reverse torque bracket shall be installed on the side of the working machine facing the reducer，To reduce the bending moment attached to the working machine shaft。 Elastomer such as rubber is used for the shaft sleeve of the joint end of the reverse torque bracket and the fixed support，To prevent deflection and absorb the resulting torque fluctuations。 3、Reducer and
2014-12-10 Reading quantity 3117
introduction： Working principle The air is converted to hot air by the heater，Enter the hot air distributor installed at the top of the drying chamber，Then evenly into the drying chamber，And it turns in a spiral，At the same time, the feed liquid is sent to the centrifugal atomizer installed on the top of the drying chamber，The material liquid is atomized into a very small mist droplets，Liquid and hot air flow contact、Rapid evaporation of water，Dry to a finished product in a very short time。The finished product is discharged through a dry bottom and cyclone separator，Exhaust gas is drawn out by the fan。 Application range and characteristics Chemical industry：Sodium fluoride(potassium)、Basic pigment、Dye intermediate，Compound fertilizer
2014-12-10 Reading quantity 3080
introduction： With the increasing complexity of automobile body control applications，right16Bit microcontroller(MCU)Performance requirements are also increasing。Gating previously controlled by mechanical methods、Seat adjustment、The interior lighting and air conditioning systems are now electronically controlled。A wide range of specialized semiconductor solutions from many semiconductor manufacturers, including MOTOROLA, make these new electronic control applications possible。These new solutions not only provide the necessary control functions，It also provides advanced diagnostic capabilities not available with older mechanical systems。Consumers expect control systems in new cars to respond promptly to anything that happens inside the car
2014-12-10 Reading quantity 3104
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