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introduction：inSKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fabriken”The Chinese transliterated name is“SKF”；SKFThe group is headquartered in Gothenburg, Sweden，Is a leader in bearing technology and manufacturing。SKFBearings can be divided into sliding according to different specific structures and similarities and differences in working propertiesSKFBearing and rollingSKFbearing]In every process of parts processing，In order to obtain the dimensions of the machining surface of the linear motion bearing、Shape and position accuracy，Total alignment of machine tools、Fixture and tool adjustment，Any adjustment work is bound to bring some errors
2015-06-26 Reading quantity 1730
introduction：RPMThe application of technology is developing rapidly。One striking indicator isRPMNumber and income of service providers。abroadRPMNumber of service agencies to each year59%The rate of increase of，from1992annual42Develop into1996years284a，1997annual331a。The equipment purchased by the service organization accounts for the amount of equipment owned29%，1995years，The total revenue of the service agency reached1.92Hundreds of millions of dollars，In the same year, the sales revenue of molding machines0.786Hundreds of millions of dollars。So to speak，Have switched fromRPMTechnical familiarity、Wait and see、The trial application phase has entered the generalRPMReally important as product development
2015-06-26 Reading quantity 2991
introduction： Reducer is the most common、The most common failure is the tooth flaking、pitting、Falling blocks and broken teeth，Especially low speed gear，fall-block、Broken teeth are the most frequent。Oil quality in the supply oil、Quantity of oil、Oil pressure、The transmission load is normal，The output big gear speed of the reducer is the lowest，Maximum torque，Bear the greatest force，The diameter and single weight of the gear are maximum，Blank forging、Machining and heat treatment、Installation requirements are also the most difficult，Jozin technology、Controls、Lax control in a process such as quality inspection，It may cause problems in the use of the gear。After the reducer broke teeth，Difficult to repair、
2015-06-26 Reading quantity 2988
introduction： You can pass it in the expression if/else Structure to create conditional expressions，The specific syntax criteria for expressions can be referred to in the following criteria： if (expr1) (expr2) else (expr3) For example： Width=if (length<8) (2) Else (3) Its meaning is: if length Less than 8, width Is going to be equal to
2015-06-26 Reading quantity 3034
introduction： 1．Classification of CNC milling machines Since the Industrial Revolution，The machine tool industry has undergone earth-shaking changes。Most people know about milling machines、Lathes and drilling presses，That is, the ordinary machine tool，These devices use the hand wheel operated by a skilled worker to move the tool holder so that the tool travels in the correct direction to the position where the part is processed。Ordinary machine tools need to be trained for a long time and have certain operational skills of the operator in order to process high-quality parts under certain conditions。Relatively speaking，The processing efficiency of ordinary equipment is low，Higher cost。 today，
2015-06-26 Reading quantity 2959
introduction： Dimension Code Number of teeth per inch pitch Diameter of thread（in)npMajor diameterD、dfootpathD1、d11/16280.9077.7236.5611/8280.9079.7288.5661/4191.33713.15711.4453/8191.33716.66214.951/2141.81420.95518.6315/8141.81422.91120.5873/4141.81426.44124.1177/8141.81430.2
2015-06-26 Reading quantity 2966
introduction：The thermal energy of the plasma arc is used to cut metal or non-metal、Special processing methods such as welding and spraying。 1955years，The United States first successfully studied plasma arc cutting。The principle of creating a plasma arc is：Let a continuous vent discharge arc pass through a nozzle hole，Cause it to produce mechanical compression effect in the hole；meanwhile，Because the center of the arc column is hotter than its periphery、High ionization、Good conductivity，The current naturally flows towards the center of the arc column，Produce thermal shrinkage effect，At the same time, the magnetic contraction effect of the arc columns own magnetic field is added。this3The seed effect compresses the arc column strongly,Under conditions of equilibrium with the expansion pressure inside the arc column，
2015-06-25 Reading quantity 2934
introduction： Generator motorINAbearing[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 causes of rust are complex，Could beINABearing rust prevention treatment is not good，It could also be corrosion caused by moisture，And rust caused by paint mist。
2015-06-25 Reading quantity 1549
introduction： If you dont want to or cant use the mouse，You can use the keyboard to select an object and specify a position in the graphics window。 Will configure options kbd_selection Set as yes。 Look out：Click"tool"(Tools)>"Options"(Options) Set configuration options。 Click"EDITOR"(Edit)>"Select"(Select)>"Via keyboard"(By Keyboard)。"Select position"(Select Lo
2015-06-25 Reading quantity 3058
introduction： This kind ofIKObearing[IKObearing:IKONeedle roller bearing with its special internal structure to achieve the mechanical design of small、Light weight。Guideway bearings are based on the high quality given by needle roller bearings，Precision machining with unique mechanical equipment，Evaluate the quality of the latest machines，Products always maintain high performance and high quality level。]The characteristics of grinding method are：Full grinding allowance (0．20～0．60ram)With a smaller longitudinal feed(f_longitudinal= 0．08B～0．15Bmm／r)，Sharpen it in one longitudinal stroke。
2015-06-25 Reading quantity 1583
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