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introduction： 1、Requirements of the working environment In order to maintain stable CNC machining accuracy，The working environment must meet the following conditions： （1）Stable machine tool foundation，When making the machine tool foundation, be sure to flatten the foundation surface。If the foundation surface is uneven，The adjustment of the machine will add unnecessary trouble。Make the machine tool foundation and bury all kinds of pipes。 （2）Suitable ambient temperature，Generally speaking10~30℃。 （3）Air circulation、dust-free、No oil mist and metal powder。 （4）Suitable humidity，Not humid
2014-12-19 Reading quantity 1466
introduction：qizhong huache Lifting block hoisting tackle A lightweight lifting device that can lift heavier items with less force（Hoisting machinery）。Lifting block（See picture[Hoisting block diagram]）It consists of fixed pulley and movable pulley，And with hanging pieces。The position of the fixed pulley is fixed，To change the direction of the force；The pulley goes up and down with the weight，To reduce tension。Lifting block can be used alone，It can also be used in conjunction with winches，It is the basic component of the lifting mechanism of many lifting machinery。Due to use、Easy to carry，Widely used in lifting installation operations
2014-12-19 Reading quantity 2819
introduction：bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]The performance of grease requires many indicators，Mainly colloidal stability（Oil fraction）、Mechanical stability（10Ten thousand shear tests，Extend the working cone penetration value）And oxidation stability，this3Comprehensive results of each index，Namely bearing[bearing:bearing（“Bearing”，Japanese person
2014-12-19 Reading quantity 1455
introduction： First level maintenance of electric forklift 1、Check the frame setting bolts、Complete nut、No loose，No cracks everywhere、Severance、Crack welding and obvious deformation。 2、Complete routine maintenance projects，Meet technical requirements； 3、Lubricate according to lubrication table； 4、Check the door frame guide wheel of the door frame mechanism、Fork guide wheel、Side guide wheel and adjust clearance；Check gantry and chain； 5、Check the speed controller of the electrical system、microswitch、Foot brake interlock
2014-12-19 Reading quantity 2810
introduction：http://www.hljjsj.cn Regular operation and maintenance work （1）Drive the front disk to move the spindle，Make a slow rotation of the gear，Then start。 （2）Lift to check bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]Whether the temperature is normal，Whether the drag machine vibrates，Flange and shaft seal oil leakage
2014-12-19 Reading quantity 2795
introduction：（1）IKObearing-Self-aligning roller bearings[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。] Early rolling millIKOThe bearing configuration on the mill was different from the present，At that time, two sets of self-aligning roller bearings were mainly used[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is fixed and reduced during mechanical transmission
2014-12-19 Reading quantity 1452
introduction：High carbon chromium bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]Annealing of steel High carbon chromium bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，Bring down
2014-12-19 Reading quantity 1468
introduction：Diverter collector valve is a diverter valve、General term for collecting valve and diverter collecting valve。The role of the diverter valve，The hydraulic system is to supply the same flow from the same energy source to the two actuator elements（Equal split），To achieve the speed of the two actuator elements to maintain synchronization or ratio relationship。The role of the collector valve，An equal flow rate or proportional oil return is collected from the two actuator elements，To realize the speed synchronization or fixed ratio relationship between them。The diverter valve has the function of diverter valve and collecting valve。Their graphical symbols are shown below1As indicated。 Figure 1、Diverter collector valve symbol The working principle of the diverter valve
2014-12-19 Reading quantity 2812
introduction： becauseIKOBearing oil circulation speed is slow，Through bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]The number of oil filters is less，Metal debris that is difficult to wear down in time、Carbon particle、Dust is washed from the friction surface。Because of the large viscosity of lubricating oil in operation，The friction between the friction surfaces of the parts increases，To overcome
2014-12-19 Reading quantity 1519
introduction：Such as，Consider a company with several milling machines。if，The company management wants to improve overall efficiency，It can buy brand new equipment，Or upgrade the companys existing manual milling machines。If you decide to take the latter approach，You need to use digital display（DRO）Or computer numerical control（CNC）。evident，These two modification methods are more complicated。In choosingDROInstead ofCNCbefore，Or the opposite choice，Factories must understand the return on investment（ROI）The totality of。 adoptDROA way to upgrade DROComponents can greatly improve manual machining processes。It not only
2014-12-19 Reading quantity 2810
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