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introduction：Q.What is a crossed roller guide？A.Cross roller guide or also known as cross roller guide，By using a shortening of the spacing of the cylinderRRoller retainer This unique roller retainer mechanism，The effective contact length of the cylinder is increased。By roller retainer and dedicatedVCombined design of a type of track，Its high precision surface is subjected to special heat treatment，Is a kind of high rigidity、Stiffness accuracy、Compact finite linear motion system。Ball guide(VBtype)It is a product that replaces the roller cylinder body of the cross roller guide with a steel ball。Cross roller rails have a lower mounting height，Because it is a parallel installation of two guides into a set，make
2020-06-15 Reading quantity 913
introduction：The performance of bed guide rail is good or bad，Directly affect the machining accuracy of the machine tool、Carrying capacity and performance。therefore，Guide rail to meet the following basic requirements：Simple structure，It has good guiding accuracy、Accuracy retention、Low speed motion stability and good manufacturability。Guide rail is an important part of the feed system，Different types of machine tools，The requirements for guide rails are also different。The imported guide rail of CNC machine tools has higher requirements than that of ordinary machine tools：No vibration occurs during high-speed feed，Crawling does not occur at low feed speed，High sensitivity，Good wear resistance，Continuous operation under long-term heavy loads，Good accuracy retention。When the machine tool user chooses the machine tool，On the basis of
2020-06-13 Reading quantity 799
introduction：In most operating conditions,Rolling bearings are used with appropriate clearance。Depending on the purpose，There are also bearings when installing，Prestressing the bearing internally，So that the bearing can be used under negative clearance，This method of use is called pretightening。Most of them are like angular contact ball bearings and tapered roller bearings，Apply two sets against each other、Bearing with adjustable clearance。If the preload exceeds the required limit，Will cause abnormal fever，Friction moment increase，Fatigue life decreases and so on。therefore，To fully study the working conditions、Preload purpose to determine the preload force。Purpose of rolling bearing preload，The main purposes and typical examples of preloading are shown below：(1) The diameter of the shaft
2020-06-12 Reading quantity 1286
introduction：Linear bearings are common parts in mechanical equipment，Also important parts，The use of bearings is also very extensive。There are a lot of unscrupulous businesses to make more money，Replace it with old。Recycle some used or not used old bearings after treatment as new bearings to buy，There is a big difference between this refurbished bearing and this good bearing，In that way，What are the methods for identifying refurbished linear bearings？1、Refurbished bearings are generally limited by the technology and equipment of small bearing manufacturers，So the bearing accuracy is low，Bearing surface roughness，The chamfer size is not uniform，Some also have black skin and pitted spots。2、Some low-quality linear bearings are made of ordinary steel
2020-06-12 Reading quantity 1241
introduction：If unidirectional needle roller bearing content burrs、Scrap iron、Foreign bodies such as dust enter，Ensure that the exterior of the device and the installation environment are clean。It will cause noise and vibration when the bearing is running，It can even damage raceways and rolling elements。Because the one-way bearing is in the factory before，Bearings must be cleaned before installation。In order to maintain the raceway and rolling surface is not corroded，Anti-rust oil or anti-rust grease is injected between the raceway and the rolling body。therefore，It must be cleaned with clean gasoline and kerosene，Then apply a clean quality or high-speed high temperature lubricant can be used。merely，Some fully enclosed bearings and bearings coated with lubricating anti-rust grease，It doesnt need cleaning
2020-06-11 Reading quantity 953
introduction：recently，A customer has reported to us，CSKLinear guide after a period of use，The track of the guide was found to be indentation and the slide ball was broken，What causes this？The main reason is overload，Ball off track，Causing the ball to break and the track to be damaged。Preventive advice：End of rated life·Replace new overload·Use a large primary slider·Increase the number of sliders·Reduce external load·Improved installation technique，Reduce unilateral force lubrication·Change lubricating oil·Add oil·Reduce lubrication spacing for foreign objects·Improved sealing fittings(Double dust protection，dust-proof)Controls·System improvement2、The slider uses a section
2020-06-09 Reading quantity 1117
introduction：What is the bearing type that will be noticed when buying bearings or using bearings，The type of bearing determines whether it can be adapted to the machine，So the bearing type is also very important，So how is the bearing model calculated？Bearing basic type composition–The first number or first letter or combination of letters indicates the bearing type；The actual bearing type can be seen。–The last two digits confirmISOSize series；The first digit represents the width or height series（Are the dimensionsB、TorH），The second digit represents the diameter series（dimensionD）。–The last two digits of the basic model number are the size code of the bearing；Multiply by5
2020-06-06 Reading quantity 1950
introduction：INALinear guide suffix meaning andINAWhat is the linear guide kit code？This is detailed below：unbrokenINALinear guide accessories include end seals、Lubricated adapterSMAD.KFE Supplied with set screws as complete assembly。1.Metal scraping board2.Lubricated adapter3.Fixing bolt4.Grease nozzle5.Centralized lubrication of the joint code identification：KA-M Copper guide hole plugAPLE、ABE Metal scraper and seal metal scraperAPLE Use screws to install on the end face of the slider。Seal the end of the protective slider
2020-06-03 Reading quantity 967
introduction：NSKThe basic rated life calculation distance often used in the calculation of the basic load rating of the linear guide is100 km，Based onDIN Standard。Basic rated lifeL andLh，Refers to a large enough batch of the same type of bearing90% The life reached before the first appearance of material fatigue。Dynamic load carrying capacity is described by basic dynamic load rating and basic rated life。The unit isN The basic dynamic load rating is meant to have90% The linear guide system，It can be reached under this load100 km Operating distance of(C100)。The formula for calculating the basic rated life assumes the loadP Yoso
2020-06-02 Reading quantity 739
introduction：How to distinguish between genuine and fake importsINALinear bearing cloth？The following with Feng Ye mall Xiaobian to see what it is：one、Lets look at the outer packing first：falseINALinear bearing：Bearing and shaft sleeve in one package。trueINALinear bearing：Shaft sleeve and needle roller are separate and coded separately，andINAOwn coding，So the package printed on the Chinese national standard code can not be。two、Internal packaging：Fakes come in individual packages or in boxes of two，And the real thingINALinear bearings are all5Each one，The bearing and sleeve are separated。Fake plastic bags have little lubricating oil in them。three、lettering：Quality productINAstraight
2020-06-01 Reading quantity 798
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