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introduction： In accordance withdnvalue/The recommended oil viscosity for temperature is as follows： dnvalue<10000mm.r/min，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。]Operating temperature0-30℃When applicable oil viscosity60mm2/s, 30-60℃When applicable oil37.8℃viscosity115
2015-04-06 Reading quantity 1541
introduction： To achieve fine processing from the mold design、CNC programming and CNC machining start，E.g. Make use ofCAETechnology for fine mold design。Drawing dies are designed with different drawing bars for different feed quantity，Different sections of drawing bars in different parts of the same mold are different，Anti-rebound over drawing treatment and minimum pressure surface design，Can greatly reduce the profile processing、Pliers repair and mold trial hours。Fine processing is mainly reflected in improving the machining accuracy of the mold surface and the degree of processing in place，High stiffness is required、High precision、High speed precision CNC milling machine and high speed cutter，At the same time, we should attach importance to numerical control programming technology。Its processing method
2015-04-06 Reading quantity 2783
introduction： The selection of NC tool and the determination of cutting parameters are important contents in NC machining technology，It not only affects the processing efficiency of CNC machine tools，And directly affect the quality of processing。CAD/CAMDevelopment of technology，It can be used directly in CNC machiningCADThe design data becomes possible，especiallyDNCSystem microcomputer and CNC machine tool connection，Make design、The whole process of process planning and programming is completed on the computer，It is generally not necessary to output special process documents。 At present，A lot ofCAD/CAMAll software packages provide automatic programming capabilities，These software programs are usually written
2015-04-06 Reading quantity 2873
introduction： Wear failure refers to the relative sliding friction between surfaces resulting in continuous wear of the metal on their working surfaces。Constant wear and tear will causeIKObearing[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。]Progressive failure of parts，And eventually lead to bearing dimensional accuracy loss and other related problems。grinding
2015-04-06 Reading quantity 1530
introduction： FAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、The ball、And a single row angular contact ball bearing consisting of a cage assembly with a solid window cage。]Maintenance of、overhaul、And exception handling In order to maintain the bearings original performance in good condition for as long as possible，Must be maintained、overhaul、To prevent accidents before they happen，Ensure the reliability of operation，Increase productivity、economy。Maintain operating standards best suited to the operating conditions of the machinery，Conduct regularly。The contents include，Monitoring operation、Replace or replace lubricant、Periodic disassembly inspection。 F
2015-04-06 Reading quantity 1524
introduction：F face to face dimension,Face distance dimension facsimile seismograph,Facsimile seismograph factory communication,Factory communication factory information protocol,Factory information protocol Fahrenheit,Fahrenheit Fahrenheit temperature scale,The Fahrenheit temperature scale fail safe,Conversion safety fail
2015-04-06 Reading quantity 2789
introduction：（1）Low cost。Using the extraction technology，The structure of pin ring planetary reducer is simplified，Identical power，Pin rings with different transmission ratios have the same structure，Products can be mass produced，At the same time, the processing technology of key parts is good，No special equipment or skill is required，Application of general purpose locomotive can be processed and manufactured，Low manufacturing cost。 （2）Smooth transmission，Low noise。The mass of the pin ring is small，Boom 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 the other parts are on the shaft each other
2015-04-06 Reading quantity 2883
introduction：Truck crane telescopic cylinder piston rod(pole)The grinding is easy to produce waste products，Based on our experience，There are the following anti-waste measures。 1.Carefully measure the amount of remaining wear at each point of the workpiece Should bend according to the workpiece、runout、Data such as dislocation and tool mark depth determine whether grinding is possible。 (1)Do not exceed the amount of remaining grinding0.50mmThe deviation can be carefully measured by the operator、warping、malposition、Knife marks and other values。The retention of wear is less than0.20mmThe workpiece must be asked for the consent of the relevant personnel before grinding。 (2)If the deflection or bending amount exceeds one-third of the grinding amount, the part should be straightened before grinding
2015-04-06 Reading quantity 1530
introduction：The basic mechanism of extrusion is simple--A screw turns in the cylinder and pushes the plastic forward。The screw is actually a ramp or slope，Wrap around the center layer。The purpose is to increase the pressure in order to overcome greater resistance。In terms of an extruder，There are3A resistance needs to be overcome：Solid particle（feed）The friction on the cylinder wall and the first few turns of the screw（Feed area）The friction between them；The adhesion of melt on the cylinder wall；The resistance of the flow within the melt when it is pushed forward。 Newton once explained，If an object is not moving in a given direction，So the force on this object is
2015-04-06 Reading quantity 2791
introduction：Double row tapered roller 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。]Many structures，The largest number is35000type，There is one double raceway outer ring and two inner rings，There is a gap between the two inner rings，The clearance can be adjusted by changing the thickness of the spacer。This type of bearing can withstand two-way axial loads while bearing radial loads，Axial clearance in the bearing is available
2015-04-06 Reading quantity 1548
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