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introduction： A length measuring tool that uses the photoelectric principle to aim the line pattern of the line gauge。The photoelectric microscope is mainly used for the verification and engraving of high precision linear scale，It is also used for coordinate positioning of precision machine tools。It is developed in order to solve the problem of low accuracy of reading microscope and can not be automatically aimed。to20century40Late epoch，Aiming accuracy achieved±0.05Micrometer above。Photoelectric microscopes are divided into oscillator type and differential photometric type。 There are two kinds of vibro-type photoelectric microscope: transmission type and reflection type。The transmission type is used for glass wire rule,Reflective type for metal wire gauge。figure1[The oscillator is inverted
2015-04-06 Reading quantity 2777
introduction： A sensor with a standard signal output。The term is sometimes used with sensors。
2015-04-06 Reading quantity 2800
introduction： Mechanical transmission that uses the meshing of screw and nut to transmit power and movement。It is mainly used to convert rotational motion into linear motion﹐Convert torque into thrust。By job characteristics﹐The spiral used for screw transmission is divided into force transmission spiral﹑Conduction screw and adjusting screw。(1)Force transfer screw﹕To transfer power﹐It uses a smaller torque to produce a larger axial thrust﹐Generally for intermittent work﹐The working speed is not high﹐And it usually requires self-locking﹐Examples include the screw on screw presses and screw jacks(figure1 Screw jack )。(2)Conduction screw﹕Transfer movement is the main﹐High motion accuracy is often required﹐normal
2015-04-06 Reading quantity 2806
introduction：1,Its used in carsKOYObearing[KOYObearing:kOYOBearings are generally required to bear large loads，Often without a cage，Instead, fill the inner and outer raceways with rolling elements。And most small and medium-sizedKOYORolling bearings are equipped with retainers。 inKOYOBearing in the processing process，The outer ring of the bearing、Inner ring、How do the roller and cage fit together。]Grease is mostly used for chassis，In particular, the amount of wheel hub bearing is larger，The amount of grease used in other parts is less。 2.The wheels of ordinary vehiclesKOYObearing[KOYObearing:kOYOBearing general
2015-04-06 Reading quantity 1562
introduction： Standard number Standard Chinese name Standard English name GB/T2816-2002 Submersible pump for well Submersible pumps for deep well JB/T1
2015-04-06 Reading quantity 2926
introduction：The stainless steel can be heated by electric furnace before forging，You can also use a flame stove。Many flame furnaces are used in production，Because of its lower cost。The furnace gas atmosphere should be neutral or slightly oxidizing。For austenitic stainless steel，A reducing atmosphere cannot be used，To avoid carburization or chromium depletion，The intergranular corrosion resistance is reduced；For martensitic stainless steel，Because of the high carbon content，Do not use excessive oxidation atmosphere，To avoid serious decarbonization。 When heated in a flame furnace，It should also be noted that the gas should remain essentially free of hydrogen sulfide and other sulfur-containing pollutants，Especially for high nickel steel，And you cant use fuels with high sulfur content，Because sulfur seeps into steel and forms with nickelNiS
2015-04-06 Reading quantity 1661
introduction：work can Instructions Scope of application Basic condition To prepare note Pocket finishing Pocket Remove materials from enclosed areas 2DRough processing into the child point Or underside finishing 2DClosed profile Kalgar island Can be cut in layers Screw feed Contour machining Profile Cut along the contour boundary 2DPeripheral OR Finishing the edge of the hole Open or closed profile Multiple knives need to increase the width of the material
2015-04-06 Reading quantity 2995
introduction： Serial number Variety name And standard number type Specification range Product grade Thread tolerance Mechanical property Surface treatment 1
2015-04-06 Reading quantity 2967
introduction： Horizontal sand mill is a horizontal wet continuous production of ultrafine particle dispersion machine， Its operation is simple，High grinding efficiency。 The operation method is the material to be ground and the grinding medium(The diameter of the medium is3/32″~3/32″,The types of grinding media commonly used are：Ferric alloy、glass、ceramic、zirconia、Pure zirconium)Put together with jacket The stationary grinding cylinder，High speed action by stirring arm and dispersing blade，Endowed lapping Grind medium enough kinetic energy，The shear force and impact force are applied to the material by means of the high-speed moving medium，For optimal dispersion、Grinding effect
2015-04-06 Reading quantity 2933
introduction： Try to use close to the ideal deceleration ratio： Reduction ratio=Servomotor speed/Speed of output shaft of reducer Torsion calculation： For the life of the reducer，Torque calculation is very important,And pay attention to the maximum torque value of acceleration(TP)，Whether it exceeds the maximum load torque of the reducer， The applicable power is usually the applicable power of the servo machine on the market，The applicability of the reducer is very high，The working coefficient can be maintained at1.2above，But in the selection can also be determined by their own needs： There are two main points： A.Optional servo motor
2015-04-06 Reading quantity 2842
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