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introduction： The operating characteristics of the powder magnetic clutch The action characteristics necessary to control the starting time of the magnetic powder clutch and the high frequency of repeated action。For examplePOCThe action of connecting and disconnecting the magnetic powder clutch，After applying voltage to the excitation coil，The excitation current will be based on a time constant determined by the resistance and inductance of the excitation coil。The torque side is slightly behind the excitation current，It is not related to the slip speed of the driving side and the driven side。Simply put, even if the drive side and the slave side are not fully connected，It can also be raised to set torque。This property in addition to having magnetic particle separation
2015-01-24 Reading quantity 2803
introduction：1．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。]Load of... The size of the load on the bearing、Direction and nature，It is the main basis for selecting the bearing type。 When selecting the type of bearing according to the size of the load，Because the main components in roller bearings are in line contact，Suitable for bearing large loads，Change after bearing
2015-01-24 Reading quantity 1454
introduction：acrylic acrylic casein casein cellulose acetate Cellulose acetateCA cellulose acetate butyrate Cellulose acetate butyrateCAB composite material Composite material cresol resin Cresol resinCF dially phthalate Diallyl phthalate disperse reinforcement Dispersion reinforced composite engi
2015-01-24 Reading quantity 2900
introduction： A device for supplying lubricating oil to a friction surface in an internal combustion engine。To prevent the internal combustion engine moving parts in a dry friction state，The surfaces of friction parts need to be separated by oil film，To reduce friction and wear between parts。Work is done in order to overcome the resistance of lubricating oil between parts during the movement of parts，This work is converted into heat，This increases the oil film temperature。This requires the constant supply of the right amount of lubricating oil at the right temperature to the friction surface，To take away the heat absorbed by the parts and play a cooling role，Keep the parts temperature from getting too high。In addition，Lubricating oil can also wash away mechanical impurities on the friction surface
2015-01-24 Reading quantity 2900
introduction：biaomian pilao mosun Surface fatigue wear surface fatigue wear Due to cyclic contact stress，A wear in which cracks form and spread inside the working surface or surface of the friction pair, causing the surface material to peel off。Contact sports include rolling、Slide or scroll plus slide 3Such situation。Surface fatigue wear often occurs in rolling 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 are on the shaft
2015-01-24 Reading quantity 2802
introduction：Maximum die casting（Aluminium alloy）weight：1.8kilogram Number of cycles：70-120time/when 1、Abide by《General operating rules for casting equipment》Relevant provisions。 2、Check the amount of working fluid，If necessary, add the emulsion prepared according to the instructions。 3、Generally, air pressure is not allowed，If air injection is necessary，Be sure to put soft bedding in the injection chamber（twine、lead），Prevent damage to equipment。 4、Start the device in the following order，And try other moves： a、Power on，Open the storage cylinder，Depress the automatic adjusting lever，Starting high pressure pump，When the pump is running properly
2015-01-24 Reading quantity 2806
introduction：Metal cutting machine tools can be divided into various types according to different classification methods。 According to the processing method or processing object can be divided into lathes、Drilling machine、Boring machine、Grinding machine、Gear machine、Thread machine、Spline machining machine、Milling machine、planer、Slotting machine、Broaching machine、Special machining machine、Sawing machine and cutting machine, etc。Each class is divided into several groups according to its structure or processing objects，Each group is divided into several types。 According to the size of the workpiece and the weight of the machine can be divided into instrument machine、Medium and small machine tool、Large machine tool、Heavy machine tools and super heavy machine tools；According to the processing accuracy can be divided into ordinary precision machine tools、Precision machine tools and high precision
2015-01-24 Reading quantity 2804
introduction： 1.Raceway surface metal spalling 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。]In and out、The outer raceway surfaces are subjected to periodic pulsating loads，The resulting contact stress varies periodically。When the number of stress cycles reaches a certain value，In or within the body、Outer ring raceway
2015-01-24 Reading quantity 1555
introduction： Materials σb Reduction of sectionε（） 10 20 35 50 67 80 90 steel（0.13C） （Mass fraction） 400 2100 2000 1870 2030
2015-01-24 Reading quantity 2802
introduction：Typographic text and numerals mainly include the date of production、validity、Lot number、Bar codes and logo patterns。Security marks and Chinese characters, etc，It is a powerful equipment to implement the health law and promote the modernization of packaging。 This technology is widely used in many industries，Multimaterial surface，Operating speed，stabilize，Suitable for various workshops，Packaging marking for production line conditions。Application materials include paper、PVC、glass、plastic、rubber、Timber、ceramic、Leather、Fabrics and other materials。Application objects currently fall into two categories，One is the packaging of the product，Mainly distributed in food、beverage、tobacco、Alcohol and pharmaceutical industries：
2015-01-24 Reading quantity 2896
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