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introduction：1、What causes the miniature bearing to melt with the shaft？ a：It is possible that the inner hole of the bearing is loose with the shaft，It causes the inner ring to slip between the shaft and causes the high temperature to sintering the inner ring and the shaft together。 Reference solution：Depending on the bearing type，Standard bearings are made of hardened and induction quenched steel，Recommended high operating temperature in120to200Between degrees。If the bearing needs to work continuously at high temperatures，The dynamic load capacity of the bearing may need to be adjusted。Also pay attention to the role of lubricants。Bearing material，Working environment，Keep an eye on lubricants, etc。
2018-08-02 Reading quantity 253
introduction：Linear bearing is a linear motion system produced at a low cost，For use with infinite stroke and cylindrical shaft。So today we will talk about the linear bearing corrosion phenomenon how to clean the rust，The common cleaning method of bearing rust is：Solvent cleaning、Chemical cleaning and mechanical cleaning。above3Each method has its own advantages and disadvantages，Therefore, the rust removal should be treated according to the different methods selected。
2018-08-02 Reading quantity 442
introduction：Programmable logic controller(PLC)，It uses a class of programmable memory，For its internal stored program，Perform logical operation、Sequential control、timing、User-oriented instructions such as counting and arithmetic operations，And through digital or analog input/Outputs control various types of machinery or production processes。
2018-08-01 Reading quantity 167
introduction：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 housing2、Identification by operating temperature This method belongs to comparison recognition method，It is only used in occasions where the operating state does not change too much。For this purpose，Continuous temperature recording must be carried out。In case of failure，Temperatures will not only rise，There will also be irregular changes。This method is suitable to be combined with sound recognition method。 3、Identify by the state of the lubricant Sample and analyze the lubricant，By its degree of filth，Whether it is mixed with foreign bodies or metal powder is not judged。This method is especially effective for bearings or large bearings that cannot be observed closely。
2018-08-01 Reading quantity 240
introduction：With the advent of the industrial age，Our countrys manufacturing gradually automation trend walking。Many of them are linear guides in the transmission components of CNC mechanical equipment，It is widely used in the industry。Usually long-term contact must be understood by everyone，Once the metal rusts，Its corrosiveness will bring great losses to mechanical equipment，Especially products like bearings，Not only affect the accuracy and surface roughness，It will be reduced to its life，Its even scrapped and cant be used anymore。If there is a rainy season，Face the wet conditions of the weather，Its usually kept at2to3It needs to be reprocessed within a day，Its a lot of labor costs。Until stainless steel linear guide is born，For guide shaft、Sliding block、Steel ball、The sealing ends and retainers are made of stainless steel，And the reverse is made of synthetic resin，Corrosion resistance improved a lot。
2018-08-01 Reading quantity 338
introduction：Parameters of three-phase asynchronous motor
2018-07-31 Reading quantity 393
introduction：The reasons for the premature aging of needle roller bearings are：overfit、Poor lubrication、Strong vibration、Material fatigue、Pollution corrosion。 1.The reason for the tight fit is that the clearance between the ball and the guide rail is too small，Torque increase，Friction increase，The working temperature of the bearing is too high。Therefore, the correct bearing radial clearance should be adjusted as far as possible during installation。
2018-07-31 Reading quantity 235
introduction：Wiring method of temperature relay Temperature relay is a kind of temperature control switch with bimetal plate as temperature sensing component,When the appliance is working normally,The bimetal is in a free state,The contact is closed/Off state,When the temperature reaches the operating temperature,The bimetallic sheet is heated to produce internal stress and rapid action,unpack/Make contact,sever/on-circuit,Thus play a role in temperature control。When the appliance is cooled to reset temperature，Contact automatically closes/unpack，Restore the normal working state。
2017-11-02 Reading quantity 257
introduction：Water heater temperature relay Water heater temperature relay is a kind of temperature control switch with bimetal plate as temperature sensing component,When the appliance is working normally,The bimetal is in a free state,The contact is closed/Off state,When the temperature reaches the operating temperature,The bimetallic sheet is heated to produce internal stress and rapid action,unpack/Make contact,sever/on-circuit,Thus play a role in temperature control。
2017-11-02 Reading quantity 126
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