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introduction：The structure of the control system is simple because of the fieldbus，System installation costs are reduced and maintenance is easy；Users are free to choose different manufacturers、Different brands of field equipment achieve the best system integration and a series of advantages，Fieldbus technology is getting more and more attention。In recent decades, the international standard of fieldbus cannot be established，There are many kinds of fieldbus development，about40cospecies：For example, Siemens of GermanySiemenstheProfiBus，FrenchFIP，AnglicanERA，NorseFINT，EcheloncorporateLONWorks，Phen
2015-05-27 Reading quantity 2969
introduction： Steering gear can be divided into four main categories，The following Hefei electromagnetic clutch introduces the classification of steering gear for you。 Rack and pinion type It is one of the most common steering gear。Its basic structure is a pair of meshing pinion and rack。When the steering shaft drives the pinion to rotate，The rack moves in a straight line。At times，Rely on the rack to directly drive the tie rod，You can turn the steering wheel。therefore，This is the simplest type of steering gear。It has the advantage of simple structure，Low cost，Steering sensitivity，Small size，Can directly drive the tie rod。It is widely used in automobiles。
2015-05-27 Reading quantity 2874
introduction：The reducer is generally used for transmission equipment with low speed and high torque，Knob motor，The power of an internal combustion engine or other high-speed operation is decelerated by meshing large gears on the output shaft with fewer teeth on the input shaft of the reducer，The ordinary reducer will also have several pairs of the same principle gear to achieve the ideal deceleration effect，The ratio of the number of teeth of the big and small gears，Its the gear ratio。The reducer is a power transmission mechanism，Speed converters using gears，Slow down the rotation of the motor to the desired number of revolutions，And get a larger torque mechanism。
2015-05-26 Reading quantity 2880
introduction： normal，If bearings are used correctly[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。]，Can be used until fatigue life is reached。But there will be accidental premature damage，Incapacitated for use。This early damage，Relative to fatigue life，Is a quality limit called a failure or accident。Many causes are installation、Use、lubricated
2015-05-26 Reading quantity 1637
introduction：chedao Turning tool turning tool Used for turning processing、A tool having a cutting part。Turning tool is one of the most widely used tools in cutting。figure1 [Typical structural form of external turning tool]It is a typical structural form of commonly used external turning tool。 The cutting part of the structural turning tool consists of the main cutting edge、Auxiliary cutting edge、The front and back and the sub-back etc. make up its geometry by the front Angle、Back Angle main deflection AngleκCutting edge Angle S、Secondary deflection Angleκ And the radius of the tip。The choice of geometric parameters of turning tools is affected by many factors，Must root
2015-05-26 Reading quantity 2873
introduction：Commonly used self-sealing compression type hydraulic seals are mainly○V-sealing ring，Round sealing ring and square sealing ring, etc，They have simple structure、Easy to manufacture、Low cost and other advantages，Therefore, they are widely used in the hydraulic transmission system dynamic sealing components and static sealing components。They are usually produced when installed in a sealed tank１０—２５％The radial compression deformation，And produce higher initial contact stress on the sealing surface，This prevents the leakage of non-pressure liquid。 Hydraulic cylinder working，Pressure liquid extrusion self-sealing hydraulic seal，To further deform it，And produce a large liquid pressure with pressure on the sealing surface
2015-05-26 Reading quantity 1603
introduction： Fengye Mall packaging machinery clutch introduces the development history of packaging machinery to you。 The first stage—From the beginning of this century until the end of the Second World War,In food、medicine、cigarette、Matches、Industrial sectors such as daily chemical industry have realized the mechanization of packaging operations。 The second stage—1950s,The packaging machine widely uses the automatic control system based on ordinary electric switches and electronic tubes,Primary automation is realized。 The third stage—sixties,To mechanical and electrical hydraulic gas synthesis technology(Includes a control system composed of elements such as transistors)Equip up
2015-05-26 Reading quantity 2927
introduction： Clutch release 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。]How should I maintain it Due to the widespread use of forklift trucks, more and more clutches have failed，A lot of people dont understand why，Lets take a look
2015-05-26 Reading quantity 2867
introduction：Abstract：This paper focuses on the subsystem of industrial enterprise information system which depends on multiple different functions，However, there is no unified standard for the traditional data exchange between each subsystem，Cause many interfaces、accessibility、Poor security and many other outcomes，Thus forming one by one“Information island”，In the context of such technical applications，In this paper, the real-time database andXMLOn the basis of technical research，The implementation is based on a three-tier structure andXMLEnterprise information sharing platform，Take out the data of each subsystem，A unified data description format is adopted，Adoption centralization、The sharing method is provided to various departments within the enterprise，
2015-05-26 Reading quantity 2951
introduction： Oil seal is an important part of agricultural machinery and all kinds of mechanical equipment，Gauge insertionIKObearing[IKObearing:IKONeedle roller bearing with its special internal structure to achieve the mechanical design of small、Light weight。Guideway bearings are based on the high quality given by needle roller bearings，Precision machining with unique mechanical equipment，Evaluate the quality of the latest machines，Products always maintain high performance and high quality level。]supra-superior2Row rollers between and against the outer circleIKObearing[IKObearing:IKONeedle roller bearing with its special internal structure to achieve the mechanical design of small、Light weight。Rail bearing to roll
2015-05-26 Reading quantity 1620
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