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introduction：Variable speed motors are based on changes in the frequency of the power supply，Rev up，The winding of the motor itself does not change。There is also the constant frequency to be achieved by changing the internal winding link of the motor，For example, the winding of the motor has changed from a triangle to a double star shape to achieve the purpose of increasing the speed of the motor。
2017-06-14 Reading quantity 211
introduction：Robot reducer manufacturers Robot reducer factory which is better？In fact, the robot reducer is the key to our choice，Good robot reducer manufacturer，First of all the product must meet our requirements，At the same time, price and service are also factors we should refer to。
2017-06-14 Reading quantity 232
introduction：How is the piston rod installation length calculated？ The piston rod is just what the name implies，It is a connecting part that supports the piston to do work，Most applications are in cylinders、Cylinder motion execution components，Is a frequent movement、Technically demanding moving parts。Take the hydraulic cylinder as an example，Slave cylinder、Piston rod(Cylinder rod)、piston、The end cover consists of several parts。The quality of its processing directly affects the life and reliability of the entire product。 During the use of the piston rod，Sometimes some reasons cause abnormal conditions in the piston rod，Such as deviation、Short travel、The installation duration is too long。When these problems arise，We must ask it to analyze the causes and solve them effectively。 Piston rod repair method After the piston rod is damaged，In order not to affect some of the performance of the product，We need to deal with it in time，If the piston rod damage is not very serious，
2017-06-14 Reading quantity 375
introduction：The design of double row angular contact ball bearings is basically the same as that of single row angular contact ball bearings，But it takes up less axial space。Double row angular contact ball bearings can withstand radial loads and axial loads acting in both directions，It can limit bidirectional axial displacement of the shaft or housing，The contact Angle is30The degree of。Bearing configurations with higher rigidity are available，And can withstand overturning moment。 Dust and rust are achieved by lubricating double row angular contact ball bearings。The bearing is preceded by two main grease lubrication methods and oil grease lubrication sealing type bearing grease filling and sealing method，Fill the inside of the housing with grease，In moderation，The filling method for each refill or replacement is fat。In addition，There are also many places to lubricate the machinery of double row angular contact ball bearings，But also use the pipe to connect the fat in a way that lubricates the local concentration。
2017-06-13 Reading quantity 290
introduction：FAGOuter spherical ball bearings are preferred for occasions requiring simple equipment and components，For example, it is used in agricultural machinery、Transportation systems or construction machinery。singleFAGThe outer spherical ball bearing unit consists of a double-sided sealed spherical outer ring deep groove ball bearing and a gray cast iron or stamped steel plate bearing seat。FAGThe outer spherical ball bearing series includes imperial and metric size bearings and their vertical and flanged housings（Part of the bearing seat size is somewhat different from the previous）。Most ofFAGExternal spherical ball bearings are fixed bearings so they are particularly suitable for supporting short shafts and for applications where little thermal expansion occurs。The small thermal expansion of the shaft can be compensated by the axial clearance of the bearing。 Bearings mounted on different bearing housings are163、362、562and762.2RSRSeries Deep groove ball bearings The first three series of bearings have a widened inn
2017-06-13 Reading quantity 323
introduction：The structure of the skeleton oil seal is relatively simple，There are usually three parts：Oil seal body、Reinforced skeleton and self-tightening coil springs。The sealing body is divided into the bottom according to different parts、loin、Cutting edge and sealing lip, etc。usual，Skeleton oil seal in the free state，Its inner diameter is smaller than the shaft diameter，That has a certain“Magnitude of interference”。therefore，When the oil seal is loaded into the oil seal seat and shaft，The pressure of the edge of the oil seal and the contraction force of the self-tightening helical spring produce a certain radial tightness on the shaft force，After a period of running，The pressure will quickly decrease or even disappear，consequently，The spring can compensate the self-tightening force of oil seal at any time。 one、Structure of skeleton oil seal： The structure of the skeleton oil seal is relatively simple，There are usually three parts：Oil seal body、Reinforced skeleton and self-tightening coil springs。The sealing body is
2017-06-13 Reading quantity 382
introduction：Screw manufacturers take you to understand the installation of screw The feed system of CNC machine tools should obtain higher transmission stiffness，In addition to strengthening the stiffness of the ball screw nut itself，The correct installation of the ball screw and the structural stiffness of its support are also factors that cannot be ignored。The nut seat and support seat should have sufficient stiffness and accuracy。It is usually appropriate to increase the contact area of the combined parts with the machine tool，To improve the local stiffness and contact strength of the nut seat，In the newly designed machine tool, the nut seat or support seat is often integrated with the machine body to increase the stiffness when the technological conditions permit。 In order to improve the axial stiffness of the support，It is also very important to choose the appropriate rotating bearing。At present, two kinds of combination methods are mainly used in China。One is to use a combination of radial bearings and
2017-06-13 Reading quantity 173
introduction：FSCType D ball screw selection method The ball screw converts the rotary motion into a straight line 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 precision instruments。 one、Known condition：UPH、Table qualitym1、Stroke lengthls、Maximum speedVmax、Acceleration and deceleration timet1andt3、Positioning accuracy+-0.3mm/1000mm、Reciprocating period、play0.15mm two、Select item：Lead screw diameter、lead、Nut type、precision、Axial clearance、Lead screw support mode、motor three、meter calculate：
2017-06-13 Reading quantity 257
introduction：AZMALinear bearings are devices that use the rolling of steel balls to achieve linear motion。Because of its simple structure, it can obtain linear motion with low friction，Therefore, it is widely used in transportation devices、Food machinery、Semiconductor manufacturing unit、Three-dimensional measuring device、Drilling machine、Punching machine、printer、Cutting machine、Food packaging machinery and other fields。AZMALinear bearings have standard type、Gap adjustment type、open-type、Flange type and other shapes，Can correspond to the use method。AZMALinear bearings have standard specifications and corrosion resistance specifications，Retainers are also available in steel for harsh conditions and low noise、Its made of cheap resin，The appropriate specifications can be selected in combination with the conditions of use。The transfer surface is smooth after precision grinding，The contact area between the steel ball and the transfer surface is small，Less friction than other linear motion devices。 Bearing material is di
2017-06-12 Reading quantity 405
introduction：Maintenance of plastic linear bearings： Because the sliding film inside the plastic linear bearing is made of self-lubricating plastic，Therefore, it does not require additional oil supply and maintenance during use；And because the plastic linear bearing has a chip chute，So even if the bearing or shaft is packed with dust, there is no need to go to VI...
2017-06-12 Reading quantity 425
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