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introduction：zhuanzi zidongxian Rotor automatic line rotor type automatic line An automatic production line in which the workpiece is continuously transferred while being processed or other processes are completed，Also known as rotary type automatic line。Rotor automatic line mainly consists of working rotor、The transmission rotor and the control device are composed。The working rotor is the process equipment to complete the process change，It is generally fixed to a working disc on the central drive shaft，The working disc is provided with a working head evenly distributed along the circumference，Can complete the same process（figure1 [Working rotor of the same process]）Or different jobs
2015-02-10 Reading quantity 2822
introduction：Generally speaking，Use rolling bearings 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。]，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 object or intrusions from the outside
2015-02-10 Reading quantity 1567
introduction：Unlike preparative ultracentrifugation：Analytical ultracentrifugation is mainly used to study the sedimentation characteristics and structures of biological macromolecules，Rather than collecting a specific component。So it uses special rotors and detection methods，In order to continuously monitor the sedimentation process of the material in a centrifugal field。
2015-02-10 Reading quantity 2813
introduction： AmericaNeilsoftcorporateDiEdifice software(price,RMB125000)For fast and scientific design of the entire gating system of die casting molds（gate，Runner and overflow trough, etc）Is a very useful tool。In addition to the design of the sprue，DiEdifice Also helps design ejection systems，Vacuum exhaust system and cooling channel。Once the designer completes the design data interactively，Software through internal calculations，Automatically generate three dimensional graphics of the gate。Mold designers can easily transfer the designed sprue to any CAMSystem neutralization
2015-02-10 Reading quantity 2815
introduction：The main transmission movement of CNC machine tool refers to the transmission movement of the production of chips，Such as，The spindle on the CNC lathe drives the rotating motion of the workpiece，Vertical machining center spindle drives milling cutter、Rotary movement of boring tool and grinding wheel, etc。The main drive motion of CNC machine tool is driven by the main drive motor。 one、The transmission system for the main drive movement At present，The main drive motor of CNC machine tools has basically stopped using ordinary AC asynchronous motors and traditional DC speed regulating motors，They are gradually replaced by the emerging AC variable frequency speed control servo motor and DC servo speed control motor。The main motion of CNC machine tools requires a large speed range
2015-02-10 Reading quantity 1555
introduction：Pressure Angle In planar linkage, friction and inertia of members are ignored﹐The Angle between the direction line of the driving force on the follower and the speed direction line of the point at which the force is applied when the mechanism is moving。In the crank rocker mechanism(figure1 Crank and rocker mechanism pressure Angle )﹐The force acting on the rocker by the active member through the connecting rodP Along theBC direction﹐Point of force operationC The direction of velocity is verticalCD ﹐The Angle between these two directions Pressure Angle。Greater pressure Angle﹐P The smaller the effective component of work that can be done in the direction﹐The harder it is to drive。The rest of the pressure Anglea Drive Angle。The pressure Angle or transmission Angle of the mechanism is
2015-02-10 Reading quantity 2804
introduction：Counterrolling 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。]As for，The stability of the grease and the drainage properties discussed below are very important，In order to supplement the mechanical stability of the grease and the following will talk about the drainage is very important，For the mechanical stability and drainage of the discarded grease，And overcoming centrifugal force，General recommended selection
2015-02-10 Reading quantity 1546
introduction：After obtaining the mold processing contract，Your attitude towards design、Dimensional and tolerance analysis study，And then you think you have everything under control，Ready for action。But is this really the case？ This tends to happen，Users come in a hurry or call to say：They are in a hurry to finish polishing and spraying，The work should have been finished yesterday。Time is important——Time is money。Users expect top-quality products，And get the product faster，It should be cheap and easy to use。How can we guarantee an uninterrupted supply of this product？There are many details involved-
2015-02-10 Reading quantity 2873
introduction：1.In industrial use site，The distance between the frequency converter and the motor installation can be roughly divided into three cases：Source distance、Medium range and short range。20mWithin is close range，20-100mMedium distance，100mAbove is long distance。 Because the output voltage waveform of the inverter is not sine，The waveform contains a large number of harmonic components，The higher harmonics will increase the output current of the inverter，Cause motor winding heat，Generate vibration and noise，Accelerated insulation aging，It may also damage the motor；At the same time, harmonics of various frequencies will emit radio interference of different programs into space，It may also cause other devices to misoperate
2015-02-10 Reading quantity 2890
introduction：Reducer factory after，The general provisions are200About an hour run-in period(Oil must be changed over time)，This is the technical characteristics of the initial use of decelerating machinery and specified。Run-in period is to ensure the normal operation of the reducer，Reduce failure rate，An important link to extend its service life。Reducer factory technicians gave the following precautions： 1.Reasonable selection of lubricating oil，Especially the input power is greater than11KWThe gear motor must be loaded with gear oil。Check the oil frequently、Hydraulic oil、coolant、Oil level and quality，And pay attention to check the tightness of the whole machine。The examination revealed an excessive lack of oil，Should be divided
2015-02-10 Reading quantity 2794
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