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introduction：5、The gap between the bushing and the shaft The linear expansion coefficient of the self-lubricating block is about steel10times。To adapt to bearing temperature changes，The gap between the shaft and the bushing is matched by the original metal parts（D4／dc4）0.032～0.15mm，Increment to0.45～0.5mm。The self-lubricating block protrudes the bushing metal on one side of the friction pair0.2～0.4mm。This will be fully lubricated during the initial run-in period of bearing operation，Reduce power drag power consumption。
2018-10-04 Reading quantity 286
introduction：1)Voice recognition； Sound recognition requires a lot of experience。Adequate training is required to be able to recognize bearing and non-bearing sounds。 For this purpose，This work should be carried out by professionals as far as possible。The sound of the bearing can be clearly heard with a listening device or a listening stick attached to the housing。
2018-09-28 Reading quantity 281
introduction：NMBPrecision bearings how to distinguish between true and false NMBIt is a kind of precision micro bearing produced in Japan，With the development of automation machinery industryNMBMore and more industries are used，The occasion is also very many。These gave birth to many imitations，The following by the Feng Ye mall to take you to understandNMBPrecision bearings how to distinguish between true and false。 one· Whether the outer packing is clear：In general，Brands produced by regular manufacturers have their own specialized designers for external packaging design，And arrange the production of factories with satisfactory production conditions，therefore，The packaging of the product should be very clear from lines to color blocks，In no uncertain terms。
2018-07-12 Reading quantity 404
introduction：Cylinder selection With the continuous development of the automation machinery industry, it has also led to the development and innovation of many peripheral parts of the automation machinery industry，Cylinder is one of the industrial control parts used more in the industry。The cylinder is a cylindrical metal part that guides the piston to move in a straight line in the cylinder。Air in the engine cylinder expands to convert thermal energy into mechanical energy；The gas in the compressor cylinder is compressed by the piston and the pressure is increased。How much do you know about cylinder selection？The following is a small edition of Feng Ye to take you to understand the cylinder selection。
2018-09-28 Reading quantity 269
introduction：usuallyDmnBe worth more than1.0x106mm.r/minThe rolling bearing is called high-speed bearing。hereDmIs the average diameter of the rolling bearing，nIs the speed of the inner ring。In practical application，High speed imported bearingDmnValue reached3.0x106mm.r/min。
2018-09-27 Reading quantity 222
introduction：The use factor mainly refers to the installation adjustment、Service and maintenance、Whether the maintenance and repair meet the technical requirements。Installation conditions are one of the first factors in use，Four row cylindrical roller bearings are often improperly installed, resulting in changes in the stress state between the components of the whole set of bearings，Bearings operate in an abnormal state and fail prematurely。Bearing mounting、Use、maintenance、Technical requirements for maintenance，The load on the running bearing、Rotational speed、Operating temperature、Vibration、Noise and lubrication conditions are monitored and checked，If an exception is found, find the cause immediately，Make adjustments，Get it back to normal。In addition，Quality of grease and surrounding medium、It is also important to analyze and test the atmosphere。
2018-09-26 Reading quantity 300
introduction：Cross roller guide
2018-09-26 Reading quantity 338
introduction：FAGAngular contact ball bearing mounting FAGAngular contact ball bearings can bear both radial and axial loads。Can work at higher rotational speeds。Larger contact Angle，The higher the axial carrying capacity。High precision and high speed bearings are usually taken15 Degree contact Angle。Under axial force，The contact Angle will increase。Single row angular contact ball bearings can only withstand the axial load in one direction，Under radial load，Will cause additional axial force。FAGAngular contact ball bearings are high precision bearings，Therefore, it is also necessary to pay attention to some installation matters for his installation，The following Feng Ye Xiaobian will take you to understandFAGInstallation of angular contact ball bearings。
2018-09-25 Reading quantity 1182
introduction：Due to bearingThe presence of gaps，When subjected to axial load，There will be part of the angular contact bearing characteristics，But because the contact Angle is unknown，Therefore the axial load capacity is unknown。
2018-09-20 Reading quantity 417
introduction：With the development of the market，Synchronous pulley operation costs will become higher and higher，If not controlled，It will affect the profit value of the product，Thus, the pace of development of manufacturers has become quite slow，Its a cycle，Manufacturers will be in a very passive situation，We cannot let the trajectory of development run smoothly，Then how can the manufacturer of Maiyudi synchronous wheel reduce the waste of resources in operation。
2018-09-20 Reading quantity 505
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