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introduction：Micro deep groove ball bearings currently have small apertures to1mm,The miniature deep groove ball bearing is made of high quality bearing steel。The varieties come with691ZZ-699ZZ.681ZZ-689ZZ.602ZZ-6001ZZ.623ZZ-6201.6900ZZ-6902ZZSuch as micro deep groove ball bearings and all kinds of ultra-small bearings，LBMiniature deep groove ball bearings are provided with low noise，High speed features。Widely used in washing machines，air conditioner，Electric machine，Power tool，Three-response machine，Cleaning machines and other occasions。With precision、Low noise、High speed of revolution、Long life and other characteristics608ZZ、R4ZZ、6200ZZ、6201ZZ、6202ZZ、6900ZZ、609ZZ、689ZZ、6201ZZAnd other types of ultra-small bearings，It is widely used in vacuum cleaners、Automobile electric machine、Air pump、Waxing machine、Gear motor、Scooter motor、Power tool、Sports goods and other industries。
2018-09-11 Reading quantity 285
introduction：Installation of tapered roller bearings： Adjust the axial backlash for tapered roller bearings，Adjustable nut on the journal is available、Adjust the threads in the gasket and bearing seat holes，Or use a pre-loaded spring and other methods to adjust。The size of the axial clearance，Arrangement with bearing installation、Distance between bearings、The shaft is related to the material of the bearing seat，Can be determined according to the working conditions。
2018-09-10 Reading quantity 269
introduction：In order to ensure the reverse transmission accuracy and axial stiffness of the ball screw pair，Axial clearance must be eliminated。Except for individual use of a single nut to eliminate the gap，Ball screw nut pair commonly used double nuts pre-tighten clearance。The principle is：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 rail，When you eliminate gaps in this way，It should be noted that the pre-loading force should not be too large，Excessive preload increases the no-load torque，Thus reducing transmission efficiency，Shorten service life。therefore，It usually needs to be adjusted several times，To ensure both clearance can be eliminated and flexible operation。When adjusting, except the nut pretighten，Special attention should also be paid to making the gap between the mounting part of the lead screw and the driving part as small as possible，And it has sufficient stiffness。
2018-09-10 Reading quantity 453
introduction：In recent years, many industries will use some new tools or materials for industrial production，This is also in order to improve our production efficiency，Because the bearing is a part that we often use，Its effect on the equipment is great，So today we will take a look at the common faults and solutions of full needle roller bearings，Mainly to look at the needle bearing temperature is too high and the needle bearing noise is how to solve，Lets find out more about it。
2018-09-07 Reading quantity 236
introduction：Bearing installation、Disassembly method，Should be based on the bearing structure、Size and fit with bearing components depends。Install、The removal pressure should be directly applied to the end face of the tight fitting stop ring，The pressure cannot be transferred through the rolling element，Because this will cause indentation on the bearing working surface，Affect the bearing normal work，It may even damage the bearing。Bearing cage、Sealing ring、Dust cover and other parts are easily deformed，Pressure to install or remove bearings cannot be applied to these parts。
2018-09-06 Reading quantity 235
introduction：The outer diameter of the bearing with automatic aligning function and the inner diameter of the bearing seat are spherical matches，Between the two with automatic heart adjustment function，It can compensate the axis non-coincidence and the deformation of the installation bottom surface caused by the installation error。 Large load capacity Due to the internal structure of the outer spherical ball bearing6200and6300Series deep groove ball bearings are the same，consequentlyIBSpherical ball bearings with seat can not only bear radial loads，And can withstand large axial load。At the same time bearing working noise is small。
2018-09-05 Reading quantity 227
introduction：Four characteristics of electric pump： 1、Small weight，Easy to use，High working pressure。 2、Single stage pumping station：Simple structure，Can obtain greater work pressure。 3、Two-stage pumping station：Low pressure，high，Low pressure pumps supply oil simultaneously，Larger output flow can be obtained。High pressure hour，The low pressure pump automatically returns the oil without load through the relief valve。Reduce power consumption。
2018-09-05 Reading quantity 264
introduction：The highlight of the classifier compared with other components：The classifier relies on a gapless fit between the CAM and the needle roller(The gearing mode is similar to worm gear drive)，A device for repeated transmission operations along a given CAM curve。cylinder(barrel)graduator：Platform type cylindrical divider for heavy load。The disk body of the divider is provided with a buffer device，The very large chain reduces the impact of rotational inertia when the index plate rotates，At the same time, the accuracy of the classifier is increased，Increased the service life of the index plate。
2018-09-04 Reading quantity 338
introduction：Single time delay relay is the time of its action because of its structure or internal device to extend a certain time action，Its motion time has a certain functional relationship with the size of a certain physical quantity。Usually used as an overcurrent protection device。
2018-09-03 Reading quantity 202
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