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introduction：one、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。]Be careful with installation and removal Different kinds、Imported bearings of different sizes[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，fagbearing，Of good quality，
2014-12-11 Reading quantity 1576
introduction： Shaanxi University of Science and Technology(Xianyang in Shaanxi Province 712081) Liu Junsheng Zhou Minggui Zhang Xitao [Abstract] This paper introduces a forming die structure for realizing long size pipe parts on a mechanical press。 keyword Closing height Contracted pipe demould 1 introduction The reduction of pipe is a common forming process，In common use3means：1It is carried out on the tube rotary machine；2Screw the compression port on the lathe，rolling；3Do it on a press with a mold。Which method to use，Depends on job requirements。Aim at graph1Shown part，The press forming process is more suitable。
2014-12-11 Reading quantity 3002
introduction：Load test must be carried out before the reducer is officially used。 （1）Lubricating oil should be added according to the oil mark before load test，Hand turn，Rotate the output shaft once，Must be flexible，Then it runs empty for two hours，There should be no normal noise。 （2）Load test should be gradually loaded to full load（It should be pressed when conditions are available25％、50％、75％、100％Load in four stages），Each stage runs for no less than a period of time2Hour (s)，Should be stable without shock vibration and oil leakage，After making sure that there is no fault, the lubricating oil in the machine is discharged or used200Mesh filter will filter the oil before use。 （3）During the test run such as
2014-12-11 Reading quantity 2888
introduction：one、Lubrication method Roll inlet 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，fagbearing，Of good quality，Of course, the price is not cheap。]The lubrication principle with other rolling imported bearings[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，fagbearing，Of good quality，Of course, the price is not cheap。]The lubrication is basically the same，Just roll inlet bearing[Imported bearing:Jane
2014-12-11 Reading quantity 1566
introduction： 1．Press rolling 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。](Imported 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，fagbearing，Of good quality，Of course, the price is not cheap。])Structural type classification
2014-12-11 Reading quantity 1592
introduction：1、INAbearing[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。]Excessive temperature：While the institution is operating，Mounting 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
2014-12-11 Reading quantity 1575
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。]Clean with gasoline or kerosene before installation，Use after drying，And ensure good lubrication，Double row deep groove ball 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，
2014-12-11 Reading quantity 1600
introduction： A typical high hardness material is die steel、Hardened steel and rolls, etc，In the past, this material was mostly finished by grinding。Now in order to reduce production costs and use cutting machining。 To achieve high hardness material machining，The necessary condition is that the hardness of the tool should be much higher than the hardness of the material being cut。In addition，Due to the high hardness material cutting processing，The temperature of the cutter head is very high，So it also needs to have the following characteristics： -Good resistance to plastic deformation，That is, high temperature hardness is very good。 -Good chemical stability，That is not with the material being cut、Breath
2014-12-11 Reading quantity 2928
introduction： In the machinery industry﹐When the production quantity and production scale of similar products are large to a certain extent﹐A series of production technical organization measures adopted to improve production efficiency and management level。In modern management﹐Mass production techniques are often used for the production of medium-batch products of the same type。Its advantage is that it can be widely used in various rates of special combined machine tools﹑Special process equipment﹑Advanced production process and technology(Such as die forging﹑Precision casting﹑Less and no cutting processing)﹐It is conducive to achieving continuous and rhythmic life
2014-12-11 Reading quantity 3052
introduction： PC1250Ymaterial This material has high melting viscosity,High injection pressure,When the temperature in the tube is too high or lingers for a long time,Easy to heat decomposition,Discoloration and reduced physical properties,Pay attention to mold temperature85℃-120℃Be as the criterion.But the finished product is thick when the mold temperature is low,Not only is it difficult to form,Residual stress also increases,Is the reason why the later day is easy to break,To avoid cracking,It is advisable to use powdered silica as release agent,Do not use liquid release agent. acrylic This material is strong and tough,Poor flow,And molded at low temperatures,Therefore, the screw design should strengthen the compression rate
2014-12-11 Reading quantity 2918
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