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introduction：Forklift lifting system maintenance Technical requirements for lifting systems。The door frame should be free from cracks，There should be no influence intensity、Rigid defect，The deformation must not exceed the allowable value of the design。The door frame generally adopts the superimposed structure。The internal and external door frames should be well matched，Sliding flexibility，No blocking phenomenon。 Guide pulley frame should be installed correctly and securely。Pulley and pulley shaft shall be free of cracks and defects，The wear amount of the wheel groove shall not exceed the original design thickness10%，Suitable fit with guide pulley frame，To make the pulley rotation flexible and reliable。Chain specifications and models shall comply with design regulations。The chain plate and shaft should be free from cracks and changes
2014-12-21 Reading quantity 2810
introduction：xingbian rechuli Deformation heat treatment thermomechanical treatment Metal heat treatment process combining pressure processing and heat treatment。Thermomechanical treatment，It can achieve the dual purpose of forming and improving the microstructure at the same time，Make the workpiece to obtain excellent strength and toughness，Greatly improve the process performance and performance，Give full play to the potential of metal materials，Improve part quality and life。 The blacksmith is forging tools such as chisels and axes，The forged workpiece is immediately quenched in water，Its a deformation heat treatment
2014-12-21 Reading quantity 2800
introduction： NSKbearing[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。]Corrosion causes and prevention methodsNSKbearing[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
2014-12-21 Reading quantity 1492
introduction： Improper removal of shaker 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。]，May causeSKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fabriken”The Chinese transliterated name is“SKF”；SKFThe group is headquartered in Gothenburg, Sweden，Yes axis
2014-12-21 Reading quantity 1453
introduction： 1、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。]Model selection：Bearing models are generally based on the conditions of use and load bearing of supporting productsFAGImported 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，
2014-12-21 Reading quantity 1438
introduction：The defects of forging include surface defects and internal defects。Some forging defects will affect the processing quality of subsequent processes，Some seriously affect the performance of forging，Reduce the service life of manufactured parts，Even endanger safety。therefore，To improve the quality of forging，Avoid forging defects，Corresponding technological countermeasures should be taken，At the same time, the quality control of the whole process of production should be strengthened。This chapter Outlines three aspects of the problem：Forging against metal structure、Effect of performance with forging defects；Content and method of forging quality inspection；General process of forging quality analysis。 （one）Effect of forging on microstructure and properties of metals&nb
2014-12-21 Reading quantity 1438
introduction：Analysis and preventive measures of ring grinding burn（one） 1.Mechanism of burn 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。]The ring is grinding，Due to abrasive cutting of the workpiece、Scratching and friction，Causes plastic deformation of the metal surface，Heat is generated by internal friction caused by the relative displacement of metal molecules inside the workpiece；Grinding wheel
2014-12-21 Reading quantity 1488
introduction：For study、Understand the fan，This article first introduces some basic knowledge。 1.1.Classification of fans According to structure and working principle，Ventilators are classified as follows： 1.2.Application of ventilator Fans are widely used in various industrial sectors，Generally speaking，Centrifugal fan is suitable for small flow、Places of high stress，Axial fans are often used for large flow rates、Low pressure situation。 one、Boiler fan Boiler fan according to the specifications of the boiler can be selected centrifugal or axial flow。And divided according to its function
2014-12-21 Reading quantity 2790
introduction：Process specification for installation and commissioning of static and static grinding head：Open the box, check the parts, observe whether there is damage in the transportation process, install the machine tool. Pay attention to the machine tool during the loading process, do not collide with the machine tool spindle pump station fueling port. Add the spindle oil lifting mark about half of the oil filling must be three-layer silk filter. Pay attention to the spindle can not replace the pump station motor[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 machinery in the shaft
2014-12-21 Reading quantity 1649
introduction：Worm gear reducer installation in principle is based on the size of the output shaft diameter of the worm gear reducer to determine the type of reducer bracket，As long as the interface form and size match，The output shaft size of the reducer can be used for floating support of the reducer bracket model within a certain range。If the use of plate reducer bracket，When the installation size of the reducer is inconsistent with the support of the reducer，In a certain range, our factory can speed the connection between the plate and the reducer，Meet user requirements。 Selection of decelerating frame。In principle, the frame type is determined according to the size of the output shaft diameter of the reducer，As long as the interface form and size match，The output shaft size of the reducer can be within a certain range
2014-12-21 Reading quantity 2807
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