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In order to ensure the ball screw reverse transmission accuracy and axial stiffness，The secondary axial clearance of ball screw nut must be eliminated。Lets take a look，Adjusting YintaiPMIThe specific method of axial clearance of ball screw nut！First, lets take a look at IntimePMIStructure principle of ball screw nut pair：Make up：Mainly by the screw、nut、Balls and raceways（baller）、Nut seat, etc。Working principle：The screw rod and nut are machined with spiral grooves，When fitted together, they form spiral raceways，And fill the raceway with balls。The ball rolls along the raceway，And through the bead tube for a cycle of circulation
Bearing is one of the most important parts on machine tool，The main shaft bearing is mainly used to ensure the accuracy and performance of the work，Most are used in medium and large equipment，Such as precision machine tools or other similar mechanical equipment。Usually, the configuration of the spindle bearing also affects the temperature rise of the machine tool spindle，stiffness，Running speed，Load equal life，Especially the influence on temperature rise and stiffness。In that wayfagWhat is the normal temperature of the main shaft bearing？Machine toolfagSpindle bearing temperature and configuration of the spindle packaging will be marked，Also refer to packaging。Their normal temperature range values are different for different types，hereinafterfagSample bearing
Nowadays, enterprises are moving towards intelligent automation，It not only saves a lot of costs in terms of labor，More drive the production of enterprises，Create more space for development，Bring great momentum to the market，It has increased the development of the entire industry。The friction coefficient of the linear guide pair imported from Taiwan is small、High running accuracy,Therefore, it is widely used in high precision CNC machine tools and machining center guiding element components。The friction force directly reflects the service life of the guide pair、Bearing capacity and motion accuracy。So rightABBAIt is of great practical significance to measure the friction force of linear guide pair。ABBAStraight line
INAToday, bearings are used in many industrial production machinery，It can withstand higher rotational speeds，Suitable for all kinds of high-precision production work。The classification of bearings is divided into bearing with seat，Roller bearing，Needle roller bearing，Linear motion and a series of high precision bearings，Each category has a different model distinction，INABrand models have their own meaning，What does that mean，Stay tuned for the breakdown below。 Bearing classification and type Series bearing belt seat bearing：RASE..PASE..PSHE..RSHE..PCJ..RC
With the continuous development of the automation industry，On the silver rail in the mainland market is also more and more，As a result, a large number of imitation guides continue to emerge on the market，Mixed with fish and dragons，There are many high imitations that are difficult to identify。Linear guide rail is an important core component in many automatic production machines，Whether it is in large machine tools or automated production machines，The guiding accuracy and motion stability of the guide rail have high requirements。In other words，The quality of guide rails directly affects the accuracy of equipment。And fakes are usually inferior in quality，After-sales service can not meet the requirements。In order to avoid the recurrence of such problems，Except in supply
Ball screw is a commonly used transmission element in tool machines and precision machinery，Its main function is to convert rotational motion into linear motion，Or convert torque into axial repeated force。In the process of movement，IntimePMIThe ball screw will have a reverse error，The following is a small series of analysis of YintaiPMIThe reason and the elimination method of the large reverse error of the ball screw：one、IntimePMIWhat is the reason for the large reverse error of the ball screw？①The pretightening force of the ball screw is too tight or too loose②Ball screw manufacturing error or axial movement③The screw shaft slide is too tight or too loose with the pressure plate④Other mechanical interference⑤Screw shaft connection
The troops and horses did not move，Feed and forage in advance，Is the first condition of victory in war。Same goes for bearing installation，To do a good job of bearing installation，Achieve the best effect，Must do well in advanceFAGImport bearing installation preparation work，The detailed preparations are as follows：1、Installation site selection and requirements Installation site should be with the lathe、A distance between the grinder and other mechanical equipment。The venue should be cleaned，Keep it dry and clean often，Guard against iron filings、Sand grain、dirt、Water entryFAGbearing。2、inspectFAGImported bearing type、Prepare the installation tools for verificationFAGImported bearing type、The dimensions meet installation requirements，And base onFAG
With industry4.0The coming of The Times，More and more manufacturers are using automation equipment，Improve the production efficiency of enterprises，Reduce labor costs。Mechanical maintenance is already a manual inspection project that many enterprises must carry out at the end of each month。The purpose of this is, of course, self-evident，In order to ensure the normal operation of the machinery and the normal replacement of aging parts。In the replacement of aging parts required by these workers，One thing is very important，Its a linear guide。In areas outside the mainland, linear guides are also called linear guides by other manufacturers。It uses slide block as the main transmission element，Steel ball as
As everyone knows，TBIBall screw operating load、speed、precision，Environmental and power requirements are very important in the design，Whether the design engineer wants to choose rolled ball screw or precision grinding ball screw，The lubricant factor must be fully considered，Choosing the right lubricant can reduce friction、Reduced friction torque，Improve the efficiency of the lead screw，And extend the service life。TBIThe ball screw can maintain the advantage of low friction，This is achieved by using a lubricant to reduce the rolling resistance between the ball and the raceway surface and the sliding friction between the adjacent balls。Prior to lubrication and supplementary lubrication，Need pairTB
Linear guide pair has strong bearing capacity、High contact rigidity、Reliable performance and other characteristics。The accuracy of machine tool guide rail is affected by the internal stress of the guide rail material、gravity、stiffness、Influence of fit clearance and assembly site。The following Xiaobian will talk about the accuracy factors that affect the guidance of the silver linear guide rail：1.The accuracy of the guide rail、Touch accuracy、Layout mode、Stiffness and thermal deformation of CNC machine tool moving guide rail and supporting guide rail、Installation quality and stiffness of the oil film between the dynamic and static guides。2.Good wear resistance and long life，The wear resistance of the guide rail determines the precision and tenacity of the guide rail。Moving guide rail along the supporting guide rail surface for a long time will cause guiding
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