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introduction：FAGMiniature 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。]Greases are usually expressed in terms of apparent viscosity or similar viscosity，When describing the viscosity of grease，Temperature and shear rate must be specified。A similar viscosity index can be used to control its low temperature flow and pumpability。 measurefagAn important index of low temperature performance of micro-bearing grease
2015-03-05 Reading quantity 1546
introduction：Machining centers often use many of the same instructions as CNC machines，This is not discussed here。The following only describes some instructions that reflect the characteristics of the machining center： 1.Accurate stop check instructionG09 Instruction format：G09； The tool is slowed down and positioned accurately before proceeding to the next program segment，It can be used for machining parts with sharp edges and corners。 2.Tool offset setting instructionG10
2015-03-05 Reading quantity 2865
introduction： The Series Part design table can be used to create a series of parts from a single part。On account ofSolidWorksSoftware is aOLE/2Application software，thereforeExcelThe spreadsheet can be used to create a design sheet and enter it intoSolidWorksIn the。 8.3.1Basic knowledge This section begins with an introduction aboutSolidWorksThe basics of using a series of part design tables。 Layout of series parts design table ExcelThe spreadsheet is used to set the configuration name（columnA）Sum measure
2015-03-05 Reading quantity 2870
introduction： The inspection items in operation have 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。]roll、Vibration、temperature、State of lubrication, etc，The details are as follows： one、The rolling sound of bearings The size and sound quality of the rolling sound of the running bearing are measured by a sounder
2015-03-05 Reading quantity 1553
introduction：The East is RedT90Industrial bulldozer is my company1998A new product developed by oneself，Because of its small tonnage、High thrust，Be specially adapted toI～ⅢGrade soil small and medium-sized engineering earthmoving operations，So it has been welcomed by the majority of users。 But in the early days，Some users reported that the boot wheel was damaged after a period of use、The guide wheel axle is badly worn、The phenomenon of the shaft sleeve burning。For this purpose，Our company has launched a quality research，And found a solution。 one、T90Bulldozer guide
2015-03-05 Reading quantity 1447
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。]form Applicable standard Applicable accuracy
2015-03-05 Reading quantity 1443
introduction： 4System transformation scheme It is necessary to solve the following problems in reforming the system： 1、The first task is to find out how the original system works。 2、TD3000Frequency converter and the original system interface problem，It is necessary to ensure the seamless connection between the transformed frequency converter and the original system。 3、To consider the frequency converter on the original single-board machine system may existEMIproblem，（The original system is based on a single board computer as the control core，Inverter as an important execution unit。） figure1Is the originalRCdrive
2015-03-05 Reading quantity 2778
introduction：The most versatile motor control method，ACVariable speed drive（VSD），There are usually three types of control：Open-loop control、Velocity sensorless vector control and flux vector control，Provides induction motors for increasingly sophisticated requirements（And permanent magnet synchronous motor）。 Open loopACThe drive uses the simplest motor control method，So calledV/HzControl method，As well"quantity"Control to distinguish it from vector control methods，V/HzActs on an open loop，There is no formal feedback device。however，Current and voltage have current limits and slip estimates。This low-cost method is generally used for speed control，Provide relevant low
2015-03-05 Reading quantity 2867
introduction：pHmeter pH meter XRay diffractometer X-ray diffractometer XGamma ray fluorescence spectrometer X-ray fluorescence spectrometer Force measuring instrument force measuring instrument Orifice plate orifice plate A venturi tube venturi tube Water meter water meter accelerometer accelerometer Programmable control
2015-03-05 Reading quantity 2782
introduction：1introduction As people produce、The demand for glass products in daily life is increasing，As an important part of glass deep processing，People put forward higher and higher requirements for glass cleaning equipment。In this paper, Yanhua glass washing equipment made in Italy is used（1999Annual output）Transform as an example，Explains how to transform such equipment。 Yanhua glass washing equipment from Italy（1999Annual output）It is a kind of simple glass washing equipment。Most of the equipment uses direct electrical control system，Backward control principle，Complex connection，It is difficult to maintain and improve。As electrical components age，Failure increase，Fault finding is not easy
2015-03-05 Reading quantity 2782
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