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introduction：Now both production and processing have automated equipment figure，Machinery to achieve automation needs to rely on the help of transmission equipment，Linear guide rail is one of the transmission equipment，It is not only a high precision guide accessories，It is also a highly flexible transmission component。The function of linear guide rail is to support and guide the rotation of moving parts，Reciprocating linear motion pattern according to the given direction。It depends on the frictional nature，Yintai linear guides can be subdivided into sliding friction guides、Rolling friction guide、Elastic friction guide、A series of types such as fluid friction guide rail。For Yintai linear guide disassembly we need to pay attention to some matters
2020-09-16 Reading quantity 381
introduction：NSKCorrect and wrong installation of imported bearings、Pros and cons，Will have a direct impact onNSKPrecision of imported bearings、Life and performance。therefore，We need to studyNSKThe correct installation method of imported bearings，That is, perform the correct installation according to the operation standards including the following items and pay attention to other aspects：NSKImported bearings should be cleaned with gasoline or kerosene before installation，Use after drying，And ensure good lubrication，NSKImported bearings are generally lubricated with grease，Oil lubrication is also available。When using grease lubrication，No impurities should be selected、antioxidant、rust-proof、Excellent performance greases such as extreme pressure。Tape seal junction
2020-09-15 Reading quantity 490
introduction：Usually ball screw is generally used in the precision transmission industry of rotary variable linear motion，It then replaces the cylinder drive and trapezoidal screw subfield，Basically now the production of servo motor enterprises are trying to use their own products，Simply put, the servo motor strives to perfectly combine with the ball screw pair，Slowly, the positioning error of the ball screw pair becomes less important，Positioning error for ball screw pair，The universal gear ratio of the servo motor can be compensated correspondingly，Due to the different condition modes for the screw pair，The servo motor is helpless，This is the general rolled ball screw pair can not replace the grinding stage roll
2020-09-14 Reading quantity 1975
introduction：This article is passed onTBISelection analysis of ball screw，A brief introduction aboutTBIThe method of selecting the ball screw and the method of calculating and checking the screw，At the same time, it also introduces the design of CNC machine tool feed system in detailTBIThe selection process of ball screw pair and the method and calculation method of checking items。TBIBall screw is a precision、Efficient transmission elements，Its at its high speed、High rigidity、reversibility、long-life、synchronism、High sensitivity、Zero clearance、The advantages of simple maintenance and so on are widely used in the feed servomechanism of contemporary CNC machine tools，meanwhile，TBIThe use of ball screw is also a CNC machine tool
2020-09-12 Reading quantity 627
introduction：For buyers，How to choose a good ball screw，And which product to choose is a headache and a dilemma，Even if I buy，Do not know how to perform good maintenance and maintenance。The following Fengye Mall Xiaobian will give you a brief introduction about YintaiPMIBall screw selection、Methods of installation and maintenance：(1)Ball screws must be kept thoroughly clean and protected with anti-rust oil，Special care should be taken not to allow sharp objects or tools to impact the tooth surface and not allow any iron filings into the nut；Moreover, the outer diameter of the end of the assembly shaft should not be collided and scratched，As shown in the figure1.1。(2)Select the ball screw with the appropriate accuracy level
2020-09-11 Reading quantity 598
introduction：As you knowTHKWhat is the difference between the lead and travel of the ball screw？For single thread，THKThe lead of the ball screw is equal to the pitch，Its just a rotation of the nut，The straight line distance that the nut moves over the lead screw。The stroke is the length of thread required when the ball screw secondary nut moves on the screw。In calculating the derivation，It involves three elements of the helix，This can be illustrated by the right triangle formed when the spiral is unfolded，leadS：The helix goes around the cylinder once，The distance traveled along the axis of the cylinder，subtriangularBCedge；Spiral Angleω：The clamp between the tangent direction of the helix and the axis of the cylinder
2020-09-10 Reading quantity 1780
introduction：Shang Yin linear guide rail machinery industry general functional components，Its quality directly affects the accuracy and service life of mechanical equipment，Therefore, the guide rail is required to have high wear resistance and dimensional stability。Although ion nitriding guides can obtain high hardness and wear resistance，But in the past due to nitriding deformation is larger，The commercialization of guideway ion nitriding is limited。Pass the test，The law of ion nitriding deformation of upper silver linear guide rail is found，And adopt the corresponding technological measures，lengthen760 mm Guide rail of，After ion nitriding，The limit deviation of the bending of the bottom base plane and the bending limit of the side base plane of the upper silver linear guide can meet the provisions of the relevant literature
2020-09-09 Reading quantity 465
introduction：The ball screw mechanism is a standard precision transmission component，The engineering is ordered directly from the manufacturer，Ordering is also indicated by a set of code names，Additional drawings if necessary。In order to skillfully carry out various precision feeds in the design of automatic mechanical structure、Design of precise transmission mechanism，Must be familiar with YintaiPMILoad calculation of ball screw pair。Working loadfIts when the exponential control machine works，The actual axial force acting on the ball screw，Its value can be calculated by the following experimental formula of the feed force：For dovetail guide machine toolsf=kfx+f'(fz+2fy+w)(1
2020-09-08 Reading quantity 773
introduction：It is understood，There are many kinds of faults caused by ball screws，There is no set pattern。Some faults are gradual faults，There must be a process of development，It becomes more and more serious with the increase of use time；Sometimes its a sudden failure， There are usually no obvious signs，Suddenly happen，This kind of failure is caused by various unfavorable factors and external interaction。So through the correct detection to determine the real cause of failure，Is the premise of fast and accurate maintenance。Here are a few things about itTBIHow to test and maintain ball screw for your reference：1.Ball screw nut pair movement is not stable、Maintenance of faults such as excessive noise。Ball wire
2020-09-07 Reading quantity 1090
introduction：TBIThe ball screw is converted from back and forth motion to straight motion，Or the ideal product for converting linear motion into rotary motion，It converts rotational motion into linear motion，theTBIHow does the screw move？TBIBall screw two commonly used circulation methods：Outer circulation and inner circulation。What is external circulation？The ball in the cycle process and the screw accidentally left the war is called the external cycle。What is internal circulation?？Always connected with the screw war is called the inner cycle。Each loop with a ball is called an example，The number of leads contained in each cycle closure is called the number of turns。The inner cycle ball screw pair has each nut2column、3column、4column、5
2020-09-05 Reading quantity 760
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