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introduction：The so-called bearing clearance，That is, when the bearing is not installed in the shaft or bearing box，Fasten one of its inner or outer rings，Then the amount of movement when the unfixed party makes a radial or axial movement。By direction of movement，It can be divided into radial clearance and axial clearance。Suitable bearing clearance is helpful to the normal operation of rolling bearings，Too little clearance，The temperature of rolling bearing rises，Out of order，And the rolling element is stuck；Excessive clearance，High vibration of equipment，The rolling bearing is noisy。How to measure bearing clearance，Become a necessary skill to master。The following Xiaobian will teach youFAGTest method for radial clearance of linear bearings，Method for checking axial clearance。
2020-10-17 Reading quantity 954
introduction：The trapezoidal lead screw is a key component that requires the precise movement of the thread in motion。It is mainly processed with high quality alloy steel，Its excellent mechanical properties are guaranteed by heat treatment。In the manufacturing process，coarse、Finishing separation，The reasonable distribution of the internal stress of the parts is ensured effectively。The key processes are processed in the constant temperature workshop，stabilize。The temperature guarantees all the indicators of the high precision screw。 In the production process，Trapezoidal screw precision grade and acceptance technical standards have strict high standards，So what is the accuracy requirement of trapezoid screw thread？Lets take a look：one、Trapezoidal screw precision grade and acceptance technical standard：L
2020-10-16 Reading quantity 1202
introduction：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
2020-10-15 Reading quantity 1000
introduction：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
2020-10-14 Reading quantity 818
introduction：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
2020-10-13 Reading quantity 986
introduction：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
2020-10-12 Reading quantity 888
introduction：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
2020-10-10 Reading quantity 1601
introduction：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
2020-10-09 Reading quantity 776
introduction：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
2020-10-08 Reading quantity 1026
introduction：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
2020-10-07 Reading quantity 682
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