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introduction：For simple planar 2D contour parts：Manual programming is generally used；For the processing of the upper and lower straight curved surfaces：Simple parts can be programmed by hand，Complex parts can be programmed with graphics and computer aided programming。 1.The basic technological problems in NC fast wire cutting (1)Set the workpiece coordinate system and the workpiece origin 1)At different positions of the machine table，Several workpieces can be installed simultaneously，Several workpiece coordinate systems need to be established。 2)Machine Tool 1
2015-03-10 Reading quantity 2868
introduction：Starter 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。]There are many reasons for injury，Such as improper installation、Dirt intrusion or water intrusion is the common cause of early damage of many flat thrust ball bearings。Analysis of common causes of bearing damage and corresponding preventive measures to extend bearing life。 Improper operation：Install、Improper operation or disassembly
2015-03-10 Reading quantity 1494
introduction： No fixed lubrication will be a problem。The situation of manual maintenance，Its not gonna happen，Automatic lubrication system，Can be developed to achieve the best lubrication results。Required grease，Tools and effective lubrication techniques，Will help significantly reduce downtime。Although you can install“liberty”All types of 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，Used to reduce power transmission
2015-03-10 Reading quantity 1776
introduction：FAGImported bearing[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。]Its a precision part.，Its use must also be carried out with corresponding care。No matter how high performance bearings are used，If used improperly，It will not achieve the expected high performance。In that wayFAGImported bearing[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
2015-03-10 Reading quantity 1482
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。]In the installation process to control the amount of preload is mainly angular contact ball bearings、Eccentric bearing、Tapered roller bearings、Cone hole double row cylindrical roller, etc，In the final stage of installation of these types of bearings，It is to adjust the clearance more precisely，Immediate control
2015-03-10 Reading quantity 1572
introduction：In this paper, the lower cover cavity of the telephone is taken as an example，The characteristics of thin-walled plastic parts are analyzed，ApplyMasterCAMAutomatic programming software explores and studies the automatic programming methods and skills of how to make molds directly from parts。The method adopted in this paper not only saves the time of designing die，At the same time, the machining accuracy of the mold is ensured，A simple and practical method is explored for the design and manufacture of the same type mold，It also provides a useful reference for the design and manufacture of other types of molds。 CAD/CAMDevelopment of technology，It can be used directly in CNC machiningCADThe design data becomes
2015-03-10 Reading quantity 2896
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。]Rotational time，withIKObearing[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
2015-03-10 Reading quantity 1454
introduction：timkenbearing[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。]Adjustment of Different from other cylindrical bore bearings，Single row Angle contact balltimkenInternal clearance of bearings and tapered roller bearings，It can only be established when one bearing is adjusted against another bearing。Usually these bearings are paired back-to-back or face to face，its
2015-03-10 Reading quantity 1446
introduction： one、Install and remove with caution Depending on the application as wellSKFbearing[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。]Size and type，Select the appropriate installation method（Mechanical or hydraulic）And tool。Here isSKFSome basic principles of bearing installation： 1. Not in...
2015-03-10 Reading quantity 1453
introduction：1、Frequency of power supply: The power supply frequency has no relation to the output frequency of the inverter Inverter power side（Input side）Motor side（Delivery side）No connection。 Due to the frequency converter，First, alternating current is converted into direct current，Therefore, the output side of the inverter is not affected by the input side of the power supply。 The rated power supply frequency of the inverter is generally50Hz/60Hz(+/-5%)。 2、Supply voltage Common voltage level of low voltage inverter: In China,Lower than the common voltage of the inverter
2015-03-10 Reading quantity 2898
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