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introduction：（Abstract）There are many advantages to non-contact temperature measurement with an infrared pyrometer，Its applications range from small or hard-to-reach objects to corrosive chemicals and sensitive surfaces。This article discusses this advantage，The application scope of the correct choice of infrared pyrometer is explained。 Because of the motion of atoms and molecules，Every object radiates electromagnetic waves，The most important wavelength or spectral range for non-contact temperature measurement is in0.2to2.0μm。This range of natural rays，It is called thermal radiation or infrared radiation。 A measuring instrument for temperature measurement by infrared radiation from the object being measured
2015-01-08 Reading quantity 2949
introduction：The machine stops for a while,Tends to enter part of the qi,When the machine starts,Air bubbles in cylinders and lines can cause oil pressure to drop,Reduced hydraulic power,Resulting in the phenomenon of crawling
2015-01-08 Reading quantity 17870
introduction：The main factor used for adjustment is installation，Use and maintenance，Maintenance and repair，And meet the technical requirements。According to theINAbearing[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。]Install，Use，upkeep，Maintenance techniques require operating clutch bearing contact loads，speed，temperature，Vibration，Noise and lubrication condition monitoring and inspection，Anomaly detected immediately
2015-01-08 Reading quantity 1555
introduction：The so-called fracture refers to the cylindrical 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。]The partial part of the flange or roller Angle of the raceway wheel is subjected to percussion or excessive load and a small part is broken。The reason for this isFAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、The ball、As well as with solid window hold
2015-01-08 Reading quantity 1566
introduction：Industrial furnace combustion device A device used to implement the fuel combustion process in an industrial furnace where fuel is the heat source。According to flame furnace heating requirements﹐Various combustion devices shall be guaranteed﹕Complete combustion of fuel is guaranteed under specified heat load conditions﹔Combustion process stabilization﹐Can provide continuous heat to the furnace﹔Direction of flame﹑appearance﹑The rigidity and spreadability meet the requirements of furnace type and heating process﹔Simple structure﹐Easy to use and maintain。 Different fuels burn differently﹐Therefore, the structure of the combustion device is also different。Combustion devices can be divided into gases﹑liquid﹑Several classes of solid fuels。 Gas fuel combustion device Usually called burner﹐
2015-01-08 Reading quantity 2850
introduction： The good quality of raw materials is a prerequisite for ensuring the quality of forgings，If there are defects in raw materials，It will affect the forming process of forging and the final quality of forging。 If the chemical elements of raw materials exceed the specified range or the content of impurity elements is too high，The forming and quality of forgings will be greatly affected，Such as：S、B、Cu、SnSuch elements are easy to form low melting point phases，Make the forging prone to hot brittle。In order to obtain essentially fine grain steel，The residual aluminum content in steel should be controlled within a certain range，Such asAlacid0．02％～0．04％（Mass fraction）。content
2015-01-08 Reading quantity 1461
introduction： Working principle The clean air is heated and enters the drying tower，Use two fluids in the tower hot air（Or trifluid）Spray atomizes all kinds of liquid materials into tiny droplets，Fast heat exchange with hot air，Evaporates the water in the liquid material（Or solvent），And with hot air discharge，A powdered product is obtained。 note：1、Bag dust collector is equipped according to product needs。 2、Part is equipped for solvent recovery system。 3、Circulatory system is equipped according to special requirements，The common type is open system。 Main use 1、Especially for viscosity、paste、The effect is good when the paste type material
2015-01-08 Reading quantity 2825
introduction：The core of most dark field detection systems is the acousto-optic deflector（AOD）。When a high frequency signal acts on it，AODExhibit certain characteristics，It refracts a laser beam。If this laser beam refracts very quickly，The result is the equivalent of drawing a laser scanning line on a wafer。It is this line that determines the detection height each time it passes through the wafer，Its directly related to yield。 The traditional dark field structure is simple：Mainly based on lighting spots and photomultiplier tubes（PMT）sensor。 Present Day，Most traditional dark field detection systems can be achieved100Mpixel/seconds。In theory，attainability300Mpixel/seconds
2015-01-08 Reading quantity 2894
introduction：（1）A semi-gas stove Coal is partially burned in a semi-gas producer（Incomplete combustion products include hot gas and coal fractions）From the gas burner into the heating chamber，In the feeding process, air is mixed with it for combustion。 Its structure is simple，The thermal efficiency is higher than that of the reverberatory furnace，The working conditions are much better than those of the reverberatory furnace，But the quality requirements of coal are higher，It is not suitable for slagging coal。 （2）Gas stove There are many structural forms of gas furnaces，Most of the commonly used small and medium-sized gas stoves are mobile upper exhaust smoke。The combustion process is the passage of gas and air in the combustion device
2015-01-08 Reading quantity 1461
introduction：High speed precision angular contact ball 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。]，It is mainly used for high-speed rotating occasions with light load，High bearing accuracy required、High speed of revolution、Low temperature rise low vibration and certain service life。It is often used as a pair installation of high-speed motorized spindle support，It is the key accessory of high speed electric spindle for internal surface grinding machine。 main
2015-01-08 Reading quantity 1554
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