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。],In all the components of the wind power gearbox is one of the weakest links,It has been proved in practice。The wind power gearbox is affected by variable loads and strong wind gusts all year round,So in design、manufacture、Maintenance is different from ordinary gear boxes。 With fan design power
2015-04-05 Reading quantity 1541
introduction: Standard number Standard Chinese name Standard English name ANSI/UL 1002-1996 Electric valves for dangerous and confidential places (Electrically Operated Valves for Use in Hazardous
2015-04-05 Reading quantity 2896
introduction:①Ordinary carbon structural steel The current standard stipulates that the representation method is:Q×××-××。 Q=Yield point of the first letter of Pinyin,×××Is the yield strength value of steel(unitMPa)Part Three×Yes quality level,Fall intoA、Btwo-stage,amongBStage quality advantageAlevel,The fourth part is deoxidation method。There areF、b、ZRimmed steel,Semi-killed steel,Killed steel。 ②High quality carbon structural steel Its represented by two digits,These two numbers are the millionths of the average carbon content of steel,High manganese grade is added after the number“Mn”,Boiling just after adding“F”。 ③specialized
2015-04-05 Reading quantity 1547
introduction:1。rotate:MB2 2。translation:SHIFT+MB2perhapsMB2+MB3 3。Zoom:CTRL+MB2perhapsMB2+MB1 4。When translating the working coordinate system by holding downALTkey,You can perform precise positioning。 5。Drawing,You can use it in linear dimensionsSHIFT-drag
2015-04-05 Reading quantity 2770
introduction:cotton、polyester/Cotton blend and silk fabrics are double-dipped and double-rolled at room temperature with a modifier,80-100Heat transfer printing can be realized after degree drying。The heat transfer printing process is much the same as for polyester fabrics。The dyeing properties of its products meet the national standards,And basically retain the natural characteristics。Products do not contain formaldehyde,It does not release formaldehyde slowly,No heavy metals。 The technology has been tested on an industrial scale。The experimental results show that the process is simple and feasible,pollution-free、No sewage discharge,It is a clean production process。
2015-04-05 Reading quantity 2772
introduction:A conveyer in which a series of carts drawn by a chain run at low speeds on a horizontal circular closed circuit to deliver a single item。Various process operations can also be carried out on this conveyor。Each branch of the trolley conveyor can be used as a working branch,Flexible layout of various process operations。This conveyor is especially suitable for transporting special shapes or hot objects,Widely used in machinery、Metallurgy and other industrial enterprises,To form mechanized or automated production lines。Such as,Molding during casting、teeming、cooling、Processes such as shakeout and box transport can be carried out on different sections of the same trolley conveyor。Trolley conveyor general
2015-04-05 Reading quantity 2786
introduction: An important means to organize and realize the production operation plan。The main task of production scheduling in machinery industry enterprises is to understand、grasp、Prevent and deal with existing and potential problems in the execution of production operation plan and take prompt measures,Ensure that the plan is completed on time。 The main contents are assigned according to the schedule of the operation plan and the actual situation of production,Divide production tasks into work stations one by one,implementer,Use machining route list according to production situation、Single-process work tickets and other methods to control the flow of products in process;Master the complete set of products in process through the management of the intermediate warehouse。
2015-04-05 Reading quantity 2779
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。]At work,The bearing is heated and worn due to sliding friction。Especially at high speeds,Due to centrifugal force,Accelerated friction and wear and heating,In severe cases, it can cause cage burns and fractures,The bearing can not be used normally。therefore,Call roll
2015-04-05 Reading quantity 1536
introduction:Due to 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。]Treated with rust and packed,Therefore, do not open the package until the installation is ready。 In addition,The anti-rust oil coated on the bearing has good lubrication performance,For general purposesNSKbearing[NSKbearing:Seiko Co., LTD(NSK LTD.)
2015-04-05 Reading quantity 1435
introduction: Components are performed on thin layers only a few atomic layers thick on the surface or interface of a solid、Material physical tests for structural and energy state analysis。There are dozens of surface analysis methods,Ion probes are commonly used、Auger electron spectroscopy andXX-ray photoelectron spectroscopy,Then there is the ion neutralization spectrum、Ion scattering spectrum、Low energy electron diffraction、Electron energy loss spectrum、Ultraviolet electron spectroscopy and other technologies,And field ion microscope analysis。The basic principles of these surface analysis methods,Mostly electrons of a certain energy、ion、Photons and so on interact with solid surfaces,Then analyze the electrons emitted from the surface of the solid、ion、photon
2015-04-05 Reading quantity 2773