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introduction： 1.Frictional compatibility The property of preventing adhesion and boundary lubrication when the bearing diameter is in direct contact with the bearing bush。The material factors that affect the friction compatibility of friction pairs are： （1）The degree of difficulty in forming alloys in metallurgy。 （2）Affinity of material to lubricant。 （3）Friction factor of the auxiliary material in the non-lubricated state。 （4）Microstructure of materials。 （5）Thermal conductivity of the material。 （6）The size of the surface energy of the material and the characteristics of the oxide film。 2.entrapability The material allows for external rigidity in the lubricant
2015-02-07 Reading quantity 1446
introduction： RVWorm gear reducer is the aluminum alloy worm gear reducer。 Dongguan Tai machine reducer company specializing in manufacturingRVWorm gear reducer，andRVWorm gear reducer and other supporting equipment。Series models are：RV25、RV30、RV40、RV50、RV63、RV75、RV90、RV110、RV130，Gear ratioi：7.5、10、15、20、25、30、40、50、60、80、100Etc.，power0.06KW～7.5KW。 RVWorm gear reducer detailed size specifications as follows，If in doubt, please consult1
2015-02-07 Reading quantity 2913
introduction：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。]Chinese and English comparison of terms-1： adapterbearingBearing with solid sleeve adjustablebearingAdjustable bearing adjustablec
2015-02-07 Reading quantity 1457
introduction：Generally speaking，Proper usetimkenbearing[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。]，Fatigue life can be achieved。But if an unexpected early injury occurs，It can no longer be used。Different from fatigue life，This early damage，Its called a malfunction or an accident。Many causes are installation、Use、Poor lubrication，Intrude from outside
2015-02-07 Reading quantity 1455
introduction： one、Technical overview Virtual manufacturing technology（Virtual Manufacturing Technology, or VMT）is80A new idea that was put forward and developed rapidly in the late 1990s。It is based on virtual reality and simulation technology，Design of the product、Unified modeling of production process，Implement product from design on computer、Processing and assembly、inspect、Use simulations and simulations throughout the life cycle。In this way，Products and their properties and manufacturing processes can be simulated at the design stage of the product，In order to
2015-02-07 Reading quantity 2803
introduction：1 GB/T 10433-2002 Cylindrical head stud for arc stud welding 2 GB/T 15856.1-2002 Cross recessed pan head self-drilling self-tapping screw 3 GB/T 15856.2-2002 Cross recessed countersunk head self-drilling self-tapping screw 4 GB/T 15856.3-2002 Cross recessed semi-countersunk head self-drilling self-tapping screw 5 GB/T 15856.4-2002 Self-drilling self-tapping screws with hexagonal flange face 6 GB/T 15856.5-2002 Hexagonal flange self-drilling self-tapping screw
2015-02-07 Reading quantity 2818
introduction： Single shaft shredder reducer maintenance and maintenance one、Fair use 1.The working temperature of the reducer is-10～40℃，altitude1000mbelow。 2.Must not use high pressure cleaning equipment to clean the reducer。 3.The reducer is repaired、upkeep、maintenance、Installation must be carried out when the reducer is not working。 4.Welding shall not be performed on the reducer，Nor shall it be used as a ground point for welding work。Welding results in precision gear teeth and bearings[bearing:bearing（“Bearing”，Japanese person“Axial receptor
2015-02-07 Reading quantity 2806
introduction：On the basis of《“The 12th Five-Year Plan”Energy conservation and environmental protection industry development plan》policy，It will introduce relevant preferential policies and tax support for the development of several energy-saving and environmental protection industries in China，It is bound to bring many benefits to enterprises that produce energy-saving and environmental protection equipment。In these devices，The advantages of frequency converter in energy saving and environmental protection are obvious。Electric motors are used in a large number of transmission systems in industry，The effect of energy saving is achieved by changing the working frequency and amplitude of the inverter，The inverter industry has benefited a lot。 “The 12th Five-Year Plan”Development planning inverter industry has benefited a lot 1967years，The worlds first frequency converter was successfully developed，And put into commercial shipment
2015-02-07 Reading quantity 2871
introduction： An instrument for measuring the total pressure of a rarefied gas below atmospheric pressure﹐Also known as vacuum gauge。The measuring unit of the vacuum gauge is the same as the pressure measuring unit﹐The international unit of pressure is paras(Pa)﹐The units used also have brackets(Torr)And millibar(mbar)Etc.。 Brief history Since the1643Italian physicistE.Since Torricellis atmospheric pressure experiments﹐There have been many kinds of vacuum gauges。The first to appear isＵV-tube vacuum gauge﹐It can only be used to measure coarse vacuum and low vacuum。1874years﹐H.G.
2015-02-07 Reading quantity 2795
introduction：A class of polymer materials formed by a large number of gas micropores dispersed in a solid plastic，With light weight、Thermal insulation、Sound absorption、Shock absorption and other features，The dielectric property is better than that of matrix resin，Very versatile。Almost all kinds of plastics can be made into foam，Foam forming has become an important field in plastic processing。20century60The structural foam developed in the decade，Foam in core layer、The skin is characterized by non-foaming，Hard on the outside but tough on the inside，Specific strength（Strength per unit mass）high，lossy，Increasingly widely used instead of wood in the construction and furniture industries。Chemical or radiative cross-linking foaming techniques for polyolefin were successful，styroify
2015-02-07 Reading quantity 2796
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