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introduction： 1、Shaft and 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。]Selection and control of room tolerances：NSKImported bearing[Imported bearing:Simply put, the import bearing agent refers to the sale of an imported bearing brand。The main brands of imported bearings arenskbearing，ikobearing
2015-05-11 Reading quantity 1573
introduction： Hefei electromagnetic clutch said，To ensure the normal operation of the electromagnetic clutch，It must be regularly maintained and basic maintenance by a professional eye。 First of all，Pay attention to check the operation of the equipment，Once you feel that the rotating part is not flexible enough，It is necessary to check whether it is because of the lack of lubricating oil。secondly，The length of the armature should be checked regularly。The clutch is in the process of operation，Because youre constantly getting friction from the profile，The length of the armature also increases;In the process of inspection，If you find that the length of the armature is not enough，Then adjustments must be made immediately;
2015-05-11 Reading quantity 2908
introduction：Pumping machinery、Equipment timely removal of farmland（Or forest land）Technical measures for drainage of excess water。Also known as pumping drainage。Can adapt to a variety of natural environmental conditions，Terrain free、Limit of water level，And timely drainage，High efficiency。But the cost is high.，More energy consumption，Suitable for areas without artesian drainage conditions，Like a plain depression、Use in coastal tide sensing area。 Rollover was widely used in the southern coastal areas of China during the Southern Song Dynasty(The keel water wheel)Field drainage。Solstice element、Ming Dynasty，Due to the improvement of wheel hub and shaft and other mechanisms，Animal power emerged、Wind-driven rollover。19
2015-05-11 Reading quantity 2813
introduction： ADR France French 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
2015-05-11 Reading quantity 1497
introduction：Polymer materials in different applications，Its subjected to a combination of forces and circumstances。Therefore, it is first necessary to understand the conditions of use and their requirements for material properties in detail，Then materials are selected and designed according to performance requirements。However, when selecting materials based on material properties data，Product designers should pay attention，There is a clear difference between plastic and metal，For metals，The performance data can basically be used for material screening and product design，however，Viscoelastic plastics are different，Various test standards and documented polymer properties data are available under many specific conditions，Usually a short period of force or a specified temperature or low temperature variation
2015-05-11 Reading quantity 2822
introduction：Mold general ejection mechanism design one﹐Push block ejector mechanism Flat shaped plastic parts with flanges﹐If the push plate ejections will adhere to the mold﹐An ejector mechanism should be used。The thrust block is an integral part of the cavity﹐Therefore, it should have higher hardness and lower surface roughness。 It can be reset in two ways:One is to rely on plastic pressure﹐One is to use a reset rod。 two．Using the forming part ejector mechanism Some plastic parts are due to the structural shape and the plastic used﹐Do not use a jacking rod﹐Pipe jacking﹐Push plate﹐Ejector mechanism such as pushing block﹐At this time, molded inserts or die can be used to bring out the plastic parts。The aforementioned push block out belongs to
2015-05-11 Reading quantity 2880
introduction：So far，Diamond wire drawing die and equipment thereof for manufacturing wire and cable，Its been through four generations of change。 The first generation is mechanical grinding，Manufacture and maintenance of diamond wire drawing dies by mechanical grinding，This method is extremely inefficient，Grinding out the mold pass is poor，It is now rarely used。 The second generation of tube magnetostriction，The tube amplifier will provide the electrical signal，It is converted into mechanical energy by a magnetostrictive transducer，Used to grind diamond dies。The disadvantage of such models is that the conversion efficiency of magnetostrictive transducers is too low，And it needs external circulating cooling water to cool it。equipment
2015-05-11 Reading quantity 2808
introduction：1 Base code To indicate 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 inside diameter of、Diameter series、Width series and type，Usually five digits at most，The first part is described as follows： 1）Bearing inner diameter with the basic code from the right first、HDigit representation。For common inside diameterd=20～480mmThe inner diameter of the bearing is generally5
2015-05-11 Reading quantity 1543
introduction： １． this mass Its for aluminum.、Stainless steel、Silicon steel and other steel plate stamping oil，It is also a metal working oil with the best stamping and drying properties。 ２． Volatile property 1) Complete volatile type In a volatile synthetic base oil，Add volatile oil agent。 After drying under certain conditions，Complete volatilization，No need to clean。 2) quasi-volatility Volatile oil agent is added to volatile synthetic base oil，And trace amounts of oil lift。 Mostly dry（A small amount of oil that has not completely evaporated remains on the surface）。
2015-05-11 Reading quantity 2818
introduction：The automatic supervision and operation necessary for the boiler to operate under the expected operating conditions。Early small boilers were manually controlled，The operator observes the running state of the boiler through the instrument and carries out the necessary operations。Modern boilers, especially large boilers, use automatic control，A variety of automatic control devices are used to make part or all of the operation process of the boiler proceed according to the expected working conditions。Automatic control can reduce labor intensity，Increase labor productivity，Ensure boiler safety、Run economically。Boiler automatic control mainly includes automatic detection、Sequential control、Automatic regulation and automatic protection4Various aspects。 Automatic detection
2015-05-10 Reading quantity 2805
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