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introduction：On account 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。]Size limit of，Generally, we are limited by space when installing bearings。In many cases, the inner diameter of the bearing is limited according to the mechanical design。Therefore, in the choice of the type and size of rolling bearings，We are to determine which bearing to choose according to the bearings inner diameter。therefore
2015-04-15 Reading quantity 1586
introduction： A weighing instrument for measuring the weight of material in a hopper。Hopper scales are suitable for all shapes of hoppers﹐Like a square bucket﹑Round bucket and inclined bucket﹐The material in the hopper can be weighed﹐The material level can be controlled by weighing。The material can be liquid or granular solid。Hopper scales are mechanical﹑Hydraulic and electronic types﹐Among them, the electronic hopper scale is widely used。figure Working principle diagram of hopper scale The working principle of a typical electronic hopper scale。The force sensor is installed under the hopper﹐Usually use3OR4Individual force transducer。The weight of the material acts on the force sensor and turns back
2015-04-14 Reading quantity 2848
introduction：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。]The commonly used lubricants are lubricating oil and grease。When the circular velocity of the shaft is less than4-5m/swhen，Or parts of the car that cannot be lubricated with lubricating oil，All are lubricated with grease。The advantage of grease lubrication is that the sealing structure is simple，Grease is not easy to drain，It is not affected by temperature
2015-04-14 Reading quantity 1567
introduction：1 、Remove worm gear reducer Remove belt cover、Triangle belt、Belt pulley，Remove the coupling、bolt、Drop motor。 Remove both end covers of worm and bolts on split face of reducer，Lift the upper cover of the casing and place it on the rubber sheet，To prevent damage to the middle split surface，And clean the top cover，Check the fastening bolts for oil leakage。 Disassembly lubrication system Remove worm gear lock nut，Remove worm gear with special tools，And check the engagement between worm gear and worm，Included contact area、position、Wear, etc.。 Remove oil seal，Cleaning case，Check and process the middle split surface。 2、Inspection worm gear、worm Worm-gear wear
2015-04-14 Reading quantity 3046
introduction： Self-propelled power machinery with all kinds of working machinery。For agriculture﹑haulage﹑Water conservancy﹑Road engineering and construction。In agriculture﹐It is mainly used to pull and drive all kinds of agricultural machinery to complete various field operations and agricultural transportation。 tractor The word first appeared in1890In a U.S. patent document for a traction steam engine。In China, it was translated as tractor﹐1949Later it was renamed Tractor。 General situation The earliest tractors were powered by steam engines﹐The traction steam engine。19mid-century﹐A tractive steam engine working in a field with farm tools﹑America and other countries
2015-04-14 Reading quantity 2824
introduction： For 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。]The grease inside must have anti-rust effect，Rust inhibitor preferably insoluble in water。Grease should have good adhesion，And can form an oil film on the surface of the steel，Grease in machining
2015-04-14 Reading quantity 1492
introduction： one、summarize JB/T10480-2004《Flexographic printer》It was announced by the National Development and Reform Commission of the Peoples Republic of China2004Year control61Approved the release of machinery industry standards，Since the2005years4month1It will come into effect on the following day。 JB/T10480-2004《Flexographic printer》The standard is the national printing machinery standardization Technical Committee based on the current development of the printing machinery industry，Fully consider the expanding domestic market demand for flexographic printing machine status，in2002The annual meeting resolution arrangement is drafted by Shanghai Ziguang Machinery Co., LTD
2015-04-14 Reading quantity 2957
introduction：German mechanical engineers,One of the inventors of the gasoline engine。1834years3month17He was born in Shorendrov, Wurttemberg。1853～1856Worked at a machine tool factory in Essen。1857～1859He attended the Technical School of Stuttgart,1861～1863Went to the United Kingdom to study as an intern,He returned to Geislingen、Machine works in Reutlingen and Karlsruhe。Daimler1872～1882Technical Director of high speed four-stroke engines at the German Automotive Engine plant of Langen AG in Cologne，Merge with1883Years of manufacturing success
2015-04-14 Reading quantity 2850
introduction： Outer spherical 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。]The bearing inner ring is fixed to the shaft by eccentric sleeve，The hex socket screw on the eccentric sleeve provides fastening function。Under repair，Many operators will not disassemble this bearing，Therefore, it is necessary to introduce the technical points and precautions for disassembling and assembling external spherical bearings： one、disassembly
2015-04-14 Reading quantity 1748
introduction：qiche lixue Automotive mechanics mechanics of motor vehicle The study of the laws of motor motion。Possible driving condition of the car，As a line、curve、Up and down the slope、Constant velocity or acceleration and deceleration motion are the content of mechanics research。But there are tires in the structure、Suspension system and other elastic parts，More freedom of movement，However, the mechanism of adhesion and friction between tire and ground has not been fully investigated，So the subject still has a semi-empirical character。Some countries are called“Vehicle performance prediction”，Some countries and some Chinese textbooks
2015-04-14 Reading quantity 2841
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