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introduction：2.Carbon graphite materials Graphite is a class of non-metallic materials composed of carbon elements。Its carbon3One of several isomers，It belongs to the hexagonal system，The layers are made up of hexagonal rings，Level is parallel to level，It has an ordered overlapping crystal structure。 Graphite according to the source is divided into natural graphite and artificial graphite two kinds。Artificial graphite is made from a carbonaceous material2500℃The above high temperature graphitization treatment。 Carbon graphite generally has good electrical conductivity、heat-resisting、wear-resistant、It is self-lubricating、Good high temperature stability，Strong resistance to chemical corrosion，Thermal conductivity ratio
2014-12-16 Reading quantity 1493
introduction：To check that the installation is correct，An operational check is required。Small machines can be turned by hand，To make sure the rotation is smooth。Check items for foreign bodies、scar、Poor operation due to indentation，Due to poor installation，The torque caused by poor machining of the mounting seat is unstable，Because the clearance is too small、Installation error、Seal friction caused by excessive torque and so on。Power operation can begin if there is no anomaly。 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 phase each other on the shaft
2014-12-16 Reading quantity 1540
introduction：Improper installation，Improper installation is likely to causeINAbearing[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。]Damage of。Such as operating at high speed，And the operating temperature is higher，Special attention should be paid to the fitting of the rotating ring not too loose，To prevent eccentric vibration，And the coordination of the fixed ring can not create a gap，To prevent the ferrule under load
2014-12-16 Reading quantity 1632
introduction：1、Technical principle The heavy weight butterfly valve consists of the butterfly valve body、Hydraulic linkage bypass valve、Heavy mace、Release device、Hand oil pump(Or electric oil pump)、Rack drive cylinder and electronic control components。The pressure oil of the oil pump is fed into the rack to drive the cylinder，The pinion on the spindle-spindle is rotated by the rack on the piston to open the spindle-spindle，And lift the weight on the coaxial to a high point。The pawl on the weight locks the ingot through the locking shaft on the release device；Lock spindle fixation，Controlled by electromagnets and support devices。When the accident happened，Due to the electronic control part of the action，Electromagnet outage，Lock spindle out of control，In the weight of the weight of the hammer
2014-12-16 Reading quantity 2842
introduction：1)、Guarantee assembly quality： To ensure the quality of assembly，The factory bought and made some special tools，Remove and install reducer worm gear、worm、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。]、Gear and other components，Try to avoid direct tapping with other tools such as a hammer;Gear change、Worm gear when worm，As much as possible
2014-12-16 Reading quantity 2839
introduction：This regulation applies to the model：49308and8784 1、Comply with casting equipment general operating procedures。 2、Check the tightness and wear of the triangle belt，If too tight、Too loose or badly worn，Should be adjusted or replaced。 3、Start with a running test，Then run empty2-3minutes，Check the drive system（motor、Bevel gear）And whether the movement of the blade is smooth，Just make sure everythings okay，Before production can proceed。 4、Working hours，After the equipment is in normal operation，Add the ingredients and water，Do not add metal or other objects，For fear that Damaged equipment。
2014-12-16 Reading quantity 2794
introduction：1、Oxidation treatment Oxidation treatment is to put high speed steel wire dimension into500-550℃In water vapor，To form its surfaceFe3O4A surface treatment method for the coating，Oxidation treatment is also called high-pressure vapor treatment。 Iron oxides areFeO.Fe2O3.Fe3O4Three kinds of，amongFeOOnly in...570℃Above can generate，So it does not exist in the surface treatment layer of the high-speed steel tap，In the surface of the tapFe3O4（Black iron）andFe2O3（Red iron）Two kinds of，The latter has no benefit to the machinability of the tap，After a high quality surface treatment，tap
2014-12-16 Reading quantity 2866
introduction：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。]Relevant content of）Abrasive wear refers to 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 bearing working surface is squeezed into the external hard particles or hard foreign bodies or metal surface scraps and contact
2014-12-16 Reading quantity 1456
introduction：Frequent useIKOBearing friends know，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。]Installation is good or not，Will affect the 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
2014-12-16 Reading quantity 1468
introduction：1、Check the shape accuracy of the hole (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。]Roundness error Check Roundness error is measured in the radius deviation of the hole，Use necessary measuring instruments。At present, the most widely used in practical production is the universal measuring tool，Such as inside diameter dial indicator，Moment bearing[bearing:bearing（“Bearing”，
2014-12-16 Reading quantity 1473
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