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introduction：(terminology) blanking Blanking is the use of a die to connect one part of a material or process with another part of a material、work（sequence）A stamping process in which parts or scrap are separated。Blanking is cutting、blanking、punching、washout、chute、sectioning、chisel、trimming、Incised tongue、incision、A general term for a separation process such as refurbishment。 incision Cutting is a stamping process in which the material is partially separated along an open profile rather than completely separated。The plane on which the cut and separated material is located or substantially located before separation。 trimming Trimming is the use of a die to trim the edge of the forming process，Give it a certain diameter、Of a certain height or shape
2015-04-09 Reading quantity 2896
introduction： A gear drive between staggered axes composed of worm and worm gear meshing with each other(figure1 Type of worm drive )。Usually the cross Angle between the two axes is90°。Generally, the worm is an active part﹐Worm gear is a follower。The transmission ratio of worm transmission is large﹐Work smoothly﹐Low noise﹐Compact structure﹐Can realize self-locking。But the general worm transmission efficiency is low﹐Worm gears are often made of more expensive non-ferrous metals(bronziness)manufacture。Worm drive is widely used in indexing mechanism and medium and small power transmission system
2015-04-09 Reading quantity 2793
introduction：whenTIMKENbearing[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。]When turning，TIMKENThe raceway surface of the inner ring and the outer ring of the bearing is in rolling contact with the rolling body，Therefore, the trajectory is dark，The running track attached to the raceway surface is not abnormal，The load conditions can then be determined，So when disassemblingTIMKENbearing
2015-04-09 Reading quantity 1552
introduction：Stir the oil to be tested and drizzle it onto the white paper(Preferably filter paper)，Oil stain，The oil stain passes approximately from the center outwards2～3The gradual spread of the hours，Form three concentric rings。Based on the color of these three areas、Width and shape can identify the state of the oil。 Remove a little oil from the oil shell，Put it on your fingers，Use your fingers and thumb to twist the mill。If you feel that there are impurities in the oil or no viscosity like water，It may even taste astringent or sour，Oil has deteriorated。If you can see small shiny metal grinding on your fingers after twisting，It indicates that there are serious wear parts of the engine，It also means that the oil must stand
2015-04-09 Reading quantity 1573
introduction：Chinas stainless steel pipe manufacturing industry should be healthy、flourish With the rapid development of our economic construction，The consumption of stainless steel is increasing，Among them, the demand for stainless steel pipes is also expanding，Promising market prospect。however，At present, domestic stainless steel pipe in varieties、specification、quantity、There is a certain gap between the quality and market demand。Variety aspect，Domestic stainless steel seamless steel pipe is still eliminated by foreign countries1Gr18Ni9TiGive priority to，Domestic urea grade、High precision stainless steel quality is difficult to guarantee；Heat exchanger tube of power station boiler、Urea pipes for fertilizer plants mainly rely on imports；Good corrosion resistance
2015-04-09 Reading quantity 1527
introduction：one、Determination of parting surface In order to remove the plastic parts and the casting system condensate from the closed mold，And for the placement of inserts，Divide the mold appropriately into two or more main parts，These are separable contact surfaces，Commonly known as parting surface。Representation of parting surface： 1.Die parting，The templates on both sides of the parting surface are moved； 2.Die parting，One of the templates does not move，The other side template makes the move A.The number of parting surfaces is：Single die parting surface、Double parting surface、Multiple die parting surfaces B.The shape of the parting surface is：plane、bevel、Stepped surface、camber C.Parting die surface and opening die square
2015-04-09 Reading quantity 2782
introduction：one、 Conscientiously implement《General operating rules for forging equipment》Relevant provisions。 two、Conscientiously implement the following supplementary provisions： （one） Before work, check that the mold or rolling should be intact without cracking，fastness。 （two） Work in strict accordance with the process of hot bending or cold bending。The workpiece for hot bending should be heated to the specified temperature，Do not bend the workpiece that is not heated or the heating temperature is not enough on the equipment。
2015-04-09 Reading quantity 2897
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。]There are two kinds of structures: strip cage and no cage。Among them, large thrust tapered roller bearings are generally required to bear larger loads，Often without a cage，Instead, fill the inner and outer raceways with rolling elements。Most small and medium-sized rolling bearings are equipped with retainers。 inINA
2015-04-09 Reading quantity 1451
introduction：The whole transmission device of planetary cycloidal pin gear reducer can be divided into three parts：Input part、Retarding section、Output part。There is a misalignment in the input shaft180°The double eccentric sleeve，The eccentric sleeve is fitted with two roller bearings called swivel arms[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。]，formHinstitution、The center hole of the two cycloidal wheels is the deviation
2015-04-09 Reading quantity 2894
introduction： 1. What is a log file？ Every time you start a new oneUGProcess time，The system creates a log file for the process。the The log will record you onUGPerform each operation and the results of system operation。 Normally the file is storedC: empUnder the directory。File name： “Your username + A random string.syslog" 2. If you cant find your log file You need toUGConfigure to save your log files，Heres how： o EDITORUGS150ugiiu
2015-04-09 Reading quantity 2901
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