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introduction：Aligning ball bearing has two kinds of structure: cylindrical hole and conical hole，The cage is made of steel plate、Synthetic resin。It is characterized by a spherical raceway in the outer ring，It has automatic centering，It can compensate for errors caused by different concentricity and shaft deflection，But therein、The relative inclination of the outer ring shall not exceed3The degree of。Aligning ball bearings are between the inner ring of two raceways and the outer ring of a spherical raceway，Bearing equipped with spherical ball。Aligning ball bearing bore cylindrical and conical two kinds。shaft（shell）The axial displacement is limited within the clearance limit，With automatic aligning performance，Within allowance、The external relative tilt is not large under the condition of normal operation，Suitable for parts where the coaxiality of the support seat hole cannot be strictly guaranteed。 Aligning ball bearing product characteristics： Mainly bear radial load，At the same time, it can withstand small axial load。s
2017-06-19 Reading quantity 221
introduction：Ball screw pair construction? Ball screw pair is also known as ball screw pair、Ball screw pair。It is composed of two matching screw and nut。It is the most accurate and most commonly used transmission device in the transmission machinery at present。When making something move,In general, it is necessary to communicate the motion generated by the power directly or indirectly through other mechanisms to the final motion part。Take the engine for example,The combustion of gasoline in the engine causes the piston to move up and down,Then it is finally transmitted to the wheel through the intermediate mechanism to make it rotate。 The ball screw pair has a unique feature in the structure of the silk master part。According to the cycle of the ball can be divided into： 1、A ball turning channel is arranged between the bend type lead screw pair and the lead screw,The ball carries an axial load on the channel,After the ball is rolling around the screw shaft,Enter the mouth of a bend inserted inside the master,A
2017-06-19 Reading quantity 194
introduction：Bearing with water as lubricant，Generally plain bearings，The earliest water-lubricated bearings were made of babbitt alloy，It was first used in the field of ships，Because water can provide hydrodynamic membranes under certain conditions。Use water as a lubricant，Water is not a recognized lubricant like oil，High viscosity and lubricity。Water does have a finite viscosity and density，therefore，Can provide hydrodynamic membrane。The development of superior water-lubricated bearings will be based on materials and design，The material should have good self-slip property，Excellent friction resistance。 The biggest feature of water-lubricated bearings is that the motor and pump are made into one，It is a pump immersed in an underground well for pumping and transporting water，It is widely used in farmland drainage and irrigation、Industrial and mining enterprises、Urban water supply and drainage and sewage treatment。Because the motor is submerged at the same time，Therefore, the structural requirements of the motor ar
2017-06-17 Reading quantity 272
introduction：Although its basic performance and deep groove ball bearings should be similar，However, because this kind of bearing is mostly used in relatively rough machinery，The installation position is not accurate，Axis neutral difference between shaft and seat hole，Or if the shaft is long and the deflection is large，And the accuracy of the bearing itself is not high enough，Some of the structures are also rough，Therefore, the actual performance of the same specifications of deep groove ball bearings to play a considerable discount。Such as：The outer spherical ball bearing with top wire is applied to the through shaft with large stiffness difference and deflection，The bearing has sealing rings on both sides，It can strictly prevent the invasion of dirt，The factory has been filled with the appropriate amount of lubricant，No cleaning is required before installation，No additional lubricant is required，When the top screw on the protruding end of the bearing inner ring is fastened on the shaft．Allowable axial load shall not exc
2017-06-17 Reading quantity 289
introduction：There are many reducer manufacturers，Can find good product quality and affordable reducer manufacturers is every customers hope。There is no better reducer manufacturers recommend it？According to Feng Ye mall data show，Wanxins reducer is relatively popular in this year。Feng Ye is Wanxin reducer cooperation10The agency platform of the year。The products sold are Wanxin manufacturers direct sales reducer。
2017-06-17 Reading quantity 226
introduction：What is the principle of screw lift？ Screw elevator，SWLSeries worm gear screw lift is a basic lifting component，Conform toJB/T8809—2010（The originalJB/T8809—1998、JB/ZQ4391—86）Standard。Carrying capacity2.5—120T。compact、Small size、Light weight、Extensive power source、Low noise、Easy to install、Flexible use、multi-function、Multiple supporting forms、High reliability、Long service life, etc。 Screw lift is also known as screw transmission mechanism。It is mainly used to transform rotational motion into linear motion or linear motion into rotational motion。There are mainly energy transfer(Such as a screw press、Jack, etc)；There are also feed screws based on transfer motion such as machine tool tables)；There is also a spiral transmission mechanism to adjust the relative position of the parts。 The screw lift has sliding friction mechanism and rolling friction mechanism。The sliding screw nut mechanism has simple structure，Easy processing，Low manufacturing cost，It has self-locking function，But its friction resista
2017-06-17 Reading quantity 265
introduction：How to determine the pitch of high strength screw？ measurable10The pitch of a lead screw，Divide by10，Derived pitch，This is to reduce the measurement error。And of course it can rotate10Measuring distance by pitch10。 ?Screw pitch，The axial distance between the corresponding points of two adjacent teeth on the thread。 ?Model airplane/Pitch in a helicopter model：During propeller rotation，The distance of the spiral formed by one rotation of the same blade。 ?Ball screw is to convert rotary motion into linear motion，Or the ideal product for converting linear motion into rotary motion。 ?Ball screw is the most commonly used transmission element in tool machinery and precision machinery，Its main function is to convert rotational motion into linear motion，Or convert torque into axial repeated force，High precision at the same time、Reversibility and rate characteristics。Because it has very little friction resistance，Ball screws are widely used in various industrial equipment and precis
2017-06-17 Reading quantity 262
introduction：Machine tool screw assembly introduction With the increasing accuracy requirements of CNC machine tools and machining centers，The high precision of the screw pair has become an inevitable trend of development，Its installation accuracy on the main machine has gradually become a prominent problem in the assembly。 The screw pair is a screw transmission element with ball as the rolling body between the screw and the nut，Its a kind of precision、The rate of、High stiffness、Advanced transmission components with high life and energy saving，The rotating motion of the motor can be converted into the linear motion of the table,Therefore, it is widely used in mechanical manufacturing，Especially on CNC machine tools and machining centers，It provides a good condition for the high speed of the host。 With the increasing accuracy requirements of machining centers，The high precision of the screw pair has become an inevitable trend of development，The installation accuracy on the main machine has gradually become a promi
2017-06-17 Reading quantity 284
introduction：Because the sliding part of the gantry crane is only the cross bar part，Belongs to equilibrium movement，Parallel unidirectional loading，And the movement is not very large，Therefore, the bearing performance requirements on one part are relatively low。But theres no requirement？Not really，Cranes are big machines, after all，Like a truck crane，Its requirements are also relatively strict rotation parts，Japanese ones are optionalnskbearing。 Theres a bearing in the hook pulley of the crane，Full loaded short cylindrical roller bearings，With seals on both sides。This bearing quantity is large and generally can be done in China，Many customers are no longer suitable for foreign brands。 Because different cranes use different bearings，The required performance is also large，I wont go into all of them，If necessary, you can consult customer service on Fengye mall，For you to solve the problem you want to consult。
2017-06-16 Reading quantity 208
introduction：Screw rod break how to take out？ The screw you say is a screw，There are many kinds of screws，According to national standard《Screw thread terms and definitions》GB/T14791-1993stipulate，According to its thread shape：Common thread，Its teeth are triangular in shape，Used to connect or fasten parts。Ordinary threads are divided into coarse and fine threads according to the pitch，Fine thread connection strength is high。There are also threads for driving，trapezoidal、rectangle、Saw shape and triangle, etc。Also for sealing threads，The main pipe thread、Taper thread and taper pipe thread。Commonly used screws are also divided into metric and imperial systems。 Screw rod fracture cause？ There are many reasons for the screw part to break，For one thing, the material itself may be defective，Second, there may be residual stress at the fracture site，If this is about strength，Then maybe hardness has something to do with it。First of all，If hard too low，The screw can not reach the strength it should have，If thats the case，T
2017-06-16 Reading quantity 309
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