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introduction：Lubrication and friction：Anti-corrosion oil is injected into the linear bearing，If lubricated with grease，Remove the anti-corrosion oil with kerosene or organic solution first，Air dry before adding grease。
2017-11-09 Reading quantity 292
introduction：The proximity switch we normally use，It is roughly divided into inductive proximity switches，Capacitive approach switch and Hall approach switch。How do the three types work，How to distinguish，Maybe many friends do not know very well。Let me give you a brief description。
2017-11-09 Reading quantity 249
introduction：In order to maintain the original performance of precision machine tool bearings in good condition for as long as possible，Must be maintained、overhaul，To prevent accidents before they happen，Ensure the reliability of operation，Increase productivity、economy。Maintenance is carried out regularly according to the operating standards of the machinery operating conditions。This includes monitoring operation status、Replace or replace lubricant、Periodic disassembly inspection。
2017-11-08 Reading quantity 288
introduction：Design of guide rail system，Strive to have a large contact area between the fixed component and the moving component，This not only increases the load carrying capacity of the system，And the system can withstand the impact force generated by intermittent cutting or gravity cutting，Spread the force far and wide，Expand the bearing area。To make that happen，The groove shapes of the guide rail system are varied，There are two kinds of representative，One of them is called the Cobb formula(Pointed arch)，The shape is an extension of the half-garden，The contact point is the vertex；The other is circular arc，It works the same way。No matter what kind of structure，Have only one purpose，Strive for more rolling ball radius contact with the guide rail(Fixed element)。The factors that determine system performance characteristics are：How does the rolling element contact the guide rail，This is the crux of the matter。
2017-11-08 Reading quantity 350
introduction：In order to ensure the reverse transmission accuracy and axial stiffness，Axial clearance must be eliminated。The method of eliminating the clearance of the double nut ball screw is to use the relative axial displacement of the two nuts，The balls in the two ball nuts are attached to the opposite sides of the spiral raceway。In addition, the gap between the screw mounting part and the drive part should be eliminated。Commonly used double nut screw clearance adjustment methods are：Gasket adjusting type、Thread adjustment and tooth difference adjustment。
2017-11-07 Reading quantity 403
introduction：We know，Unexpected equipment downtime may result when bearings are damaged。It may bring huge losses to the factory。So what are the factors that affect the bearing life，How to avoid these influencing factors，It is what we must know to extend the service life of bearings。
2017-11-07 Reading quantity 392
introduction：To ensure the normal operation of the tow chain，Avoid damage to the cable，You have to follow the rules。 For power cables must be set aside not less than10%Margin of，For water pipes must be set aside not less than20%Margin of。 2.Avoid leaving cables from different coats together，To reduce wear。 3.Place several cables in a tow chain if necessary，Partition them as far as possible，If not，Ensure that cables do not overlap in the internal space， 4.Place them symmetrically according to the weight and size of each cable，Place heavy and large cables on the sides，Put the light and small cables in the middle。
2017-11-07 Reading quantity 403
introduction：There are two kinds of electric gasoline pump: plunger type and magnetoelectric type，They are tested in the same way as the starter，The short circuit method is also commonly used、Resistance measurement method, etc。
2017-11-06 Reading quantity 383
introduction：Causes of cutting fluid corrosion：1、The proportion of concentrated liquid in cutting fluid is low。
2017-11-06 Reading quantity 312
introduction：Definition of horizontal CNC turntable indexing disc The invention relates to a horizontal numerical control turntable indexing disc comprising a slide block、Gear wheel、Ball screw、Ac servo motor，The servo motor is connected to a differential mechanism composed of a planetary gear train，Through gear、The bevel gear is connected with the double ball screw pair，The nut of the ball screw pair is connected with the flat spinning disc slider，In addition, AC servo motor drives a pair of meshing gears，The meshing gear is connected with the ball screw，The ball screw is connected to the ram through the ball screw nut，The zero switch fixed on the headstock is moved and pressed by bumping block、Positive limit switch and negative limit switch。The utility model has high positioning accuracy，Realize the numerical control of flat rotating disc cutting。
2017-11-06 Reading quantity 331
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