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introduction：The following Xiaobian will introduce you to the commonly used liquid level sensors，There are three kinds：Static pressure level sensor、Float type liquid level sensor、Float type liquid level sensor。
2018-05-25 Reading quantity 234
introduction：The vibration velocity sensor is an inertial sensor，It uses the principle of magnetoelectric induction to convert vibration signals into voltage signals，The voltage value is proportional to the vibration velocity value。Can be used to measure the bearing seat、Vibration of the casing or structure（Absolute vibration with respect to inertial space）。Can be installed directly on the outside of the machine，Easy to use and maintain。
2018-05-25 Reading quantity 185
introduction：Stainless steel bearing durability to see where
2018-05-25 Reading quantity 274
introduction：What is Onda three-phase asynchronous motor
2018-05-24 Reading quantity 282
introduction：Miniature bearings are used as precision parts on mechanical equipment，How to improve the production efficiency of the plant，First of all, the mechanical equipment performance must be good，And the use of mechanical equipment performance is related to it——bearing。Therefore, when the factory is in production and processing，Be sure to carry out a good inspection of bearings in mechanical equipment。 1、Voice recognition Sound recognition requires a lot of experience。Adequate training is required to be able to recognize bearing and non-bearing sounds。For this purpose，The work should be carried out by special persons as far as possible。The sound of the bearing can be clearly heard with a listening device or a listening stick attached to the housing。 2、Identification by operating temperature
2018-05-24 Reading quantity 298
introduction：Tapered roller bearings mainly bear radial diameters、Axial combined load。Bearing capacity depends on the raceway Angle of the outer ring，The greater the Angle, the greater the load capacity。This type of bearing belongs to the separation type，According to the rolling element in the bearing The number of columns is divided into single columns、Double and quadruple row tapered roller bearings。Single-row tapered roller bearing clearance needs to be adjusted by the user during installation；Double row and four row tapered roller bearing clearance has been set at the factory according to user requirements，unnecessary Household adjustment。 Tapered roller bearings have conical inner ring and outer ring raceways，Conical rollers are arranged between the two。The projected lines of all conical surfaces meet at the same point on the bearing axis。This design makes tapered roller bearings Especially suitable to withstand the combination（Radial and axial）load。The axial load capacity of a bearing is mostly determined by the con
2018-05-23 Reading quantity 364
introduction：Needle roller bearing is one of the important parts in todays industrial production，How to choose the right needle roller bearing is crucial。therefore，It is necessary to fully understand the structure and characteristics of the selected needle roller bearings，And install and use correctly。Needle roller bearing selection，The following factors must be fully considered： (1The size of the needle bearing load、Direction and nature； (2)Rotation speed and inner or outer ring rotation； (3)Required life of needle roller bearings； (4)Ambient temperature of needle roller bearings； (5)Bearing accuracy； (6)Magnitude of friction； (7)Noise requirement；
2018-05-22 Reading quantity 232
introduction：The temperature limit of the transformer is determined by the grade of its insulation material。The grade of the insulating material refers to the heat resistance grade of the insulating material used，pointsA、E、B、F、Hlevel。 Temperature class of insulation：Alevel Elevel Blevel Flevel Hlevel High allowable temperature（℃）：105 120 130 155 180 Winding temperature rise limit（K）：60 75 80 100 125 Performance reference temperature（℃）：80 95 100 120 145
2018-05-22 Reading quantity 205
introduction：FENNERSynchronization belts are widely used，Slave machine、CARS、detector、printer、duplicator、Power tool、You can see it on household appliances，It integrates belt drive、The respective advantages of chain drive and gear drive。So how is its transmission accuracy？
2018-05-21 Reading quantity 308
introduction：The characteristics of cylindrical roller bearings are，High load carrying capacity、High stiffness、Allowable radial displacement，Except for bearings with inner and outer ring flanges。 Low friction：Open flange design，Work with roller end design and surface finish to promote lubricant film formation，Lower friction and higher axial base load rating。 Long service life：The roller logarithmic curve contour reduces the roller/Edge stress at raceway contact，And sensitivity to misalignment and axial flexure。 Improve operational reliability：The surface finish of the contact surface between the roller and the raceway is conducive to fluid movement Formation of a pressure oil film。
2018-05-21 Reading quantity 302
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