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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 2874
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 1557
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 1448
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 1445
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 2780
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 2872
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 2784
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 2783
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。]Failures are often due to a variety of factors，All design and manufacturing process factors influence andSKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fabriken”The Chinese transliterated name is“SKF”；SKFGroup general manager
2015-03-05 Reading quantity 1444
introduction： Basic knowledge test one、The application range of cemented carbide is described below，Which alloy they correspond to（6points）。 1.Suitable for cast iron、Non-ferrous metals and their alloys and non-metallic materials processing，Rough turning in uneven sections and intermittent cutting。( ) 2.Suitable for carbon steel and alloy steel continuous cutting rough turning、Semi-finishing and finishing when cutting unevenly or intermittently。 （ ） 3.Suitable for cast iron、Rough turning for continuous cutting of non-ferrous metals and their alloys and non-metallic materials，Intermittent cutting time
2015-03-05 Reading quantity 2782
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