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introduction：Purpose of micro-bearing lubrication The method of lubrication and lubricant directly affect the life of the bearing。Select suitable lubrication according to different conditions of use。 The effects of lubrication are described below： (1 ）Reduce friction and wear Lubrication can reduce the rolling friction between the rolling element and the raceway、Sliding friction between rolling element and cage。 Sliding friction between cage and ferrule。 (2）Reduce heat generation Eliminate heat produced inside the bearing or heat from outside，Prevent bearing overheating and lubricant deterioration。
2018-10-06 Reading quantity 360
introduction：Low voltage general frequency conversion output voltage is380~650V，Output power is0.75~400kW，Operating frequency is0~400Hz，Its main circuits are all alternating-straight-Alternating current circuit。Its control methods have gone through the following four generations。1U/f=CSinusoidal pulse width modulation（SPWM）Control mode：It is characterized by simple control circuit structure、Lower cost，Mechanical properties hardness is also good，It can meet the requirements of smooth speed regulation of general transmission，It has been widely used in various fields of industry。however，This control mode at low frequencies，Because the output voltage is low，The torque is significantly affected by the stator resistance voltage drop，The output torque is reduced。In addition，Its mechanical properties are not as hard as the DC motor after all，The dynamic torque ability and static speed regulation performance are not satisfactory，And the system performance is not high、The control curve changes with the load，Slow torque response、The
2018-10-06 Reading quantity 926
introduction：ABBABall screw is a transmission element commonly used in tool machines and precision machinery，Its main function is to convert rotational motion into linear motion，Or convert torque into axial repeated force，High precision at the same time、Reversibility and rate characteristics。 ABBABall screw features：1.High reliability 2..Smooth movement 3.No back backlash and high rigidity 4.Cyclic mode：Internal circulation、External circulation 5.Excellent durability
2018-10-06 Reading quantity 502
introduction：The safety precautions for the use of contactless regulators are as follows： 1、Non-technical personnel，Do not disassemble power components for inspection and maintenance; 2、Ensure that the layout of the regulated power supply lines is reasonable，Avoid safety accidents caused by leakage; 3、The voltage regulator power supply must be grounded，Avoid electric shock; 4、Place the ground cable of the stabilized power supply reasonably，Avoid connecting to the heater/Water supply/Gas pipelines and other public facilities，To prevent unnecessary harm; 5、Check the cables of the stabilized power supply regularly，Avoid loosening/Fall off，It affects the normal use and safety of the regulated power supply;
2018-10-05 Reading quantity 378
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 number of columns of rolling elements in the bearing 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，No user adjustment required。 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 particularly suited to withstand recombination（Radial and axial）load。Most of the axial load of the bearing is determined by the contact Angle Ti
2018-10-05 Reading quantity 321
introduction：Since the realization of mechanization、Automatic production of needle roller bearings，In addition to the production efficiency of the product has been improved a lot，The quality of the products has also improved significantly，Includes the load force of the needle roller bearing，This is crucial to the selection of the entire product。 Because of the different bearing load is also different，Generally speaking，Needle roller bearings can be used to withstand heavy loads；Ball bearings are used for light or moderate loads；Bearings made of carburized steel or hardened with bainite，Withstand shock and vibration loads。It can be seen that，For security reasons，Bearing characteristics must be understood in industrial manufacturing。 If the load of the needle roller bearing is not enough，It will cause very large losses to the later use of bearings，It will even directly affect the operation of the entire mechanical equipment。And a good needle roller bearing can give full play to its role，Make the equipment drive smoothly，Imp
2018-09-28 Reading quantity 235
introduction：Numerical control indexing dial is used for rotation、Machine accessories for indexing and positioning are mainly used in automation equipment。So what does the index plate need to do before use？Is there anything that needs attention？The following Xiaobian take you to understand the precautions before the use of CNC indexing plate。 1、When using multiple plates, first check whether the lubricating oil has been added，Check that the oil level is not halfway to the oil mirror； 2、Check the drive section of the index dial under，The position of the drive power cord and motor power line is correct，There is no error in the installation of the voltage interface
2018-09-27 Reading quantity 494
introduction：The main content of plastic chain maintenance is：Inspection and prevention first，Check the relationship between the parts and whether there is damage during maintenance，Repair the damaged part，Try to keep the mold in good condition。 As a manufacturer can customize the width of the tow chain according to user requirements，The bending radius can be from18-500among。Plastic tow chains are generally made of nylonPA66，Because of reinforced nylon，Make it have good pressure，toughness，High elasticity and wear resistance，And certain flame retardancy，High and low temperature performance can be stabilized when using plastic drag chains，And can be used outdoors。Now the plastic tow chain is also constantly improving。Hope through the introduction of these knowledge，Can play some corresponding help for the majority of users。
2018-09-26 Reading quantity 359
introduction：NACHIStructure of centripetal ball bearing NACHIFujikoshi Company was founded in1928years，Since its inception has been committed to the development of mechanical technology，And machinery manufacturing。The main factory is located in Toyama, Japan，North America、South America、There are also production sites in Europe and Asia，And set up a permanent representative office and sales outlets in the world，Can quickly and accurately grasp the market trends，Meet the customers wishes。
2018-09-26 Reading quantity 461
introduction：Cross roller guide mounting
2018-09-26 Reading quantity 290
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