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introduction： Working principle This machine adopts vacuum feeding method，Continuous container rotation，The material is thoroughly mixed inside。Local buttonGMPRequirement design，secure、。 Scope of application medicine、Chemical engineering、food、Metallurgy and other industries for the mixing of powder and granular materials。 Technical parameter specification/item Gross volume Working volume Material deposit
2015-01-09 Reading quantity 2913
introduction：The sun shines on the semiconductorp-nknot，Forming new holes-Electron pair，inp-nUnder the action of junction electric field，Hole supplynRegional flow directionparea，Electron distributionpRegional flow directionnarea，When the circuit is switched on, an electric current is formed。This is how photoelectric effect solar cells work。 one、Solar power generation There are two kinds of solar power generation，One is light—hot—Electrical conversion mode，The other is light—Electric direct conversion mode。 （1）light—hot—The electric conversion method uses the heat generated by solar radiation to generate electricity，Generally, the heat energy absorbed by the solar collector is converted into steam of the working medium，And then drive the steam turbine to generate electricity。
2015-01-09 Reading quantity 2918
introduction：Damage state:Imported bearings with slight wear[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。]Dark side，The dark surface has several deep to the surface5-10mmTiny crack，Small shedding occurs over a large area（microstripping） reason:Bearing lubricant is not suitable。A foreign object got into the lubricant。Poor lubricant causes rough surface。The surface finish of the paired rolling parts is not good。 measure:Selective lubricant
2015-01-09 Reading quantity 1474
introduction： Steel number Tissue type temperature/℃ 700 800 900 1000 1100 1200 σb/MPa Cr28 1Cr18Ni9 0Cr12Ni8CuAlNb ferrite austenite
2015-01-09 Reading quantity 2907
introduction：It is often thought that magnets attract stainless steel，Verify its advantages and disadvantages and authenticity，No magnet, no magnet，Think well of，The real deal；The smoker is magnetic，They think its a fake。In fact，This is an extremely one-sided approach、Unpractical ways of identifying errors。 There are many kinds of stainless steel，It can be divided into several categories according to the organizational structure at room temperature： 1．Austenitic type：Such as304、321、316、310Etc.； 2．Martensitic or ferritic form：Such as430、420、410Etc.； Austenotype is non-magnetic or weakly magnetic，Martensite or ferrite is magnetic。 usual
2015-01-09 Reading quantity 2846
introduction：1、IKOBearing cleaning Tear downIKOBearing inspection，First record 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。]appearance，Confirm the residual amount of moisturizer，After taking a sample to check the moisturizer used，Bearing washing。As a cleaning agent，Regular gasoline、kerosene。 Cleaning of removed bearings，Divided into coarse cleaning and fine
2015-01-09 Reading quantity 1541
introduction：101：What are the contents of plate thickness treatment？ a：Determine the neutral layer of bending parts and eliminate plate thickness interference。 102：What factors are related to the change of neutral layer position of plate thickness？ a：It is related to the bending radius of the plate and the thickness of the plate。 103：What are the general principles for the thickness treatment of intersecting parts？ a：The development length is based on the dimension of the neutral layer of the component，Expand the height of the curve to The height of the member contact shall prevail。 104：What is the main content of lofting？ a：Plate thickness treatment、Expand the drawing and make the number according to the component that has been made Material sample
2015-01-09 Reading quantity 2875
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 precision does not seem to be too high，Is there anything I can do to improve？The accuracy of rolling bearings can be improved，The following are the four most commonly used methods for improving bearing accuracy。 1）Bearing mounting space can accommodateIKOImported bearings in the bearing mounting space[entrance
2015-01-09 Reading quantity 1464
introduction：The spindle component is one of the important parts of the machine tool，Its accuracy、Vibration resistance and thermal deformation have direct influence on machining quality。In particular, CNC machine tools do not carry out manual adjustment during processing，The effects are more serious。CNC machine tool spindle components in the structure to solve the spindle support、Spindle tool automatic clamping、The directional stop of the spindle and other problems。The support of the spindle of the CNC machine tool mainly uses the diagram8-5The three main forms shown。figure8-5aThe front support of the shown structure adopts double row short cylindrical roller bearings[bearing:bearing（“Bearing”，Japanese person
2015-01-09 Reading quantity 1471
introduction：There are many kinds of practical plastic film for packaging，Many plastic films are used，There is often interpenetration，A case of mutual substitution，However, the characteristics of various plastic films can not be ignored。So make the right choice、The application of plastic packaging film is not easy。This requires personnel in the packaging materials industry to understand some of the corresponding plastic packaging films、Basic function，It is mainly the protection function of the commodity、Promotional function、Special requirements for the adaptability of packaging machinery and other applications。In addition，Economic rationality and adaptability to environmental protection must also be considered。 Packing materials for goods
2015-01-09 Reading quantity 2900
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