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introduction：Imported 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。]Retainer of、Sealing ring、Features of dust cover retainer Steel plate crown bearing retainer Design according to the inner ring，One - time forming stamping of stainless steel plate。 Nylon crown type bearing retainer Design according to the inner ring，polyamide（nylon66）isofabrication。 Steel plate rivet wave bearing retainer The two parts of the wave shape are fixed by rivets，
2015-03-06 Reading quantity 1451
introduction： A conveyer that uses a number of rollers mounted on a fixed support at a certain distance to transport a finished item。The fixed bracket is generally composed of several straight lines or curves pieced together as needed。The roller conveyor can be used alone﹐It can also be used in combination with other conveyors or working machinery on the assembly line﹐Have simple structure﹑Work reliably﹑Easy to install and disassemble﹑Easy maintenance﹑Flexible line layout and other advantages。The conveyor depends on whether the roller has a driving device﹐It can be divided into two categories: unpowered and powered。 Non-powered roller conveyor Also known as roller table。There are long and short rollers(figure1 Long roller table
2015-03-06 Reading quantity 2779
introduction：Pick the right people Look at yourself before discussing this topic，Analyze the current team situation，It should be combined with the actual situation，Everyone understands that a good team is different。What is a good team？MBAHuman resource management has such a clear definition：They are a group of people with different talents who work closely together，They are full of creativity，Focus on work，Trust each other，Follow a tight plan，Go all out to accomplish the same goal。I think team spirit is：Do what you dont want to do for each other。 A good team can not be formed without“5P”to
2015-03-06 Reading quantity 2897
introduction： Application of nanomaterials and nanotechnology in textile printing and dyeing，In addition to addressing the preparation technology of nanomaterials，It is important to solve the application technology of nanomaterials，One of the key issues is to make nanoparticles and the basic components of textile printing and dyeing materials（Polymer material）In a proper state of combination。In printing，The dispersion of nanoparticles in polymer matrix and the binding of nanoparticles on polymer surface are the main application technology problems。 Preparative polymer/Direct dispersion method for inorganic nanocomposites，Applicable to various forms of nanoparticles。The use of nanoparticles in printing and dyeing is generally adopted
2015-03-06 Reading quantity 2791
introduction：A test to determine the resistance of a material to torque，It is one of the basic test methods for mechanical properties test of materials。Torsion test can determine the strength and plasticity of brittle materials and plastic materials，For manufacturing parts such as shafts that are frequently subjected to torque、Materials such as springs are often subjected to torsion tests。The torsion test was carried out on the torsion test machine，Torque is applied at both ends of the standard distance of the cylindrical specimen during the test，At this time, a torsion Angle is generated between the two sections of the sample distance，A twist plot can be drawn according to the changes in sum（See picture[Torsion diagram]）,At the same time, corresponding stress can be obtained-Strain diagram，The figure corresponds to the proportional limit of torsion;0.3Corresponds to torsion yield strong
2015-03-06 Reading quantity 2790
introduction：A boom crane that has its own power and relies on its own operating mechanism to move along a rail or trackless channel。Split truck crane、Tyre crane、Crawler crane、Railway crane and truck crane, etc。The self-propelled crane is divided into two parts：The upper part is the lifting operation part，Called boarding；The lower part is the supporting chassis，Get off。The power unit uses internal combustion engine，The transmission mode is mechanical、 Fluid power-machine、Electric and hydraulic, etc。Self-propelled crane with lifting、 Amplitude of variation、 The main mechanism of turning and walking，Some also have boom expansion mechanism。The boom has two kinds of truss and box。Some self-propelled lifting
2015-03-06 Reading quantity 2782
introduction： Cr12Mold steel in addition to the key points of high-speed steel forging operation should also pay attention to the following matters： (1)Cr12Mold steel due to the presence of a large number of hard carbides along the grain boundaries and crystals，The thermal effect is obvious during forging，In addition, its eutectic temperature is low，therefore，It is more prone to overheating and overburning in the forging process than high-speed steel。For this purpose，Temperature rise occurs during forging operation，Should be timely to reduce the hammer force or pause for a while，After the billet gradually changes to the normal forging temperature，Increase the hammer force。 (2)Cr12Mold steel is often due to surface quality
2015-03-06 Reading quantity 2888
introduction：Actual gas： The actual presence of gas﹐Also known as real gas。Strictly speaking﹐All kinds of gaseous working substances encountered in the heat engine are actual gases﹐It cant be described by the ideal gas equation of state。Only under certain conditions﹐Some gas(Like air in the atmosphere﹑Boiler flue gas﹑Gas in internal combustion engines and gas turbines)It can be treated approximately as an ideal gas﹔And some other gases(For example, the pressure is relatively high and the temperature is close to the liquefaction temperature of water vapor)The properties of the gas are far from the ideal gas﹐Must be treated as actual gas。 For the gas at high pressure and low temperature, the volume occupied by the molecule itself and the interaction between molecules cannot be ignored
2015-03-06 Reading quantity 2793
introduction：Rolling 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 installation space can accommodateSKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fabriken”The Chinese transliterated name is“SKF”；SKFThe group is headquartered in Gothenburg, Sweden，It is bearing technology and system
2015-03-06 Reading quantity 1441
introduction：Ceramic 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。] Noun interpretation：Zirconia ceramic bearing All ceramic bearing with diamagnetic electric insulation、Wear and corrosion resistance、Oil-free self-lubrication、High temperature and cold resistance，?Can be used in extremely harsh environment and special working conditions。The ring and rolling body are made of zirconia（ZrO2）Ceramic material，hold
2015-03-05 Reading quantity 1459
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