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Present light chamber、Compartment GI fluoroscopy has become common in hospitals，The basic principle is shown in the figure，It will penetrate the human body using an image intensifierXRays become visible，Through a high-resolution camera system，Displays the image on the monitor screen，Formed what we know todayXOptical television image。This article Outlines these adjustments、Basic methods of maintenance。In practice, no chest X-ray is done、Still intervene，We want the viewing image on the screen to be clear，Strong authenticity，Specific requirements are： １．Low picture distortion。 ２．Clear image，Its not just light and dark，And see the image details、texture。 ３
summarize： YPGSeries spray dryer is a pressure nozzle with the help of high pressure pump pressure solution、suspension、emulsion、The paste material is atomized into small droplets，It is then subjected to rapid heat exchange with high temperature hot air，A device for rapidly and continuously drying fine granular materials in a very short period of time with a simple process。 The machine has a high dust collection rate，Non-sticky wall、Energy-saving and other features，Especially suitable for drying heat sensitive materials。Widely used in food dyes、Intermediate and other industries。 Process flow： Scope of application： Food industry：Whole milk powder、arm
Offset printing equipment currently accounts for about half of the entire printing equipment market，Everyone knows that the best investment you can make is buying a brand new piece of equipment，But lets say you have a very limited budget，At the same time, your company needs to take a step forward in technology；Or maybe you want to venture into a new market area；Or you need to increase the number of devices or accessories；Or some low-grade new equipment will take a long time to ship and delay your business，You may want to consider buying a second-hand offset press。You can pay attention to those problems when buying used equipment，This article will give some relevant suggestions，For your reference。 Think it over first
eighty-one：What are the two categories of circular machine？ a：Separate vertical and horizontal two categories。 eighty-two：Horizontal circular machine has three axes and four axes，What are the two kinds of three axes？ a：There are two types: symmetric and asymmetric。 eighty-three：Symmetrical three-axis circular machine，What is the shape of the core of the three rollers？ a：Form an isosceles triangle。 eighty-four：When the material is rolling the cylinder，Adjusting the distance of the roller must keep the center of the roller to each other？ a：Be sure to keep the centers of the rolls parallel to each other，Otherwise, the workpiece will produce taper。 eighty-five：Tube bending time，Lateral neutral layer
With the continuous development of market economy，The market is not only increasing the internal quality requirements of products，And the requirements for its quantitative packaging quality are getting higher and higher，Good products without good packaging will not have a good market，Alumina is no exception。In recent years，Our alumina users have made many different requests according to the needs of their production，Such as：Available in small bags、Improve measurement accuracy, etc。Our companys original packaging device（Manual packing）Because of its slow speed、Poor measurement accuracy、Dust height、Low efficiency、The sealing is rough and more and more unable to meet the packaging requirements of the market。Add the original
1) IKOWhen the bearing is running, if there is a rhythmic tapping or banging sound，Probably due to cylindrical roller bearings[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。]Raceway spalling、indentation、Or other parts improperly installed； 2)discoverIKOBearing with“cluck、cluck”The voice of，May be due to a weak bearing seal、oiling
１introduction Distributed control system（DCS）It is the use of computer technology to centrally monitor the production process、Controls、A control technique for management and decentralized control。With the development of computer technology，Distributed control system is an advanced control technology，Has been widely used in electricity、refrigeration、Chemical engineering、Machine building、Traffic management and other engineering fields。In a distributed control system，Due to the need for communication between a large number of control devices and process monitoring devices，The monitoring and data acquisition system is paid more and more attention by users，As a result, configuration software is widely used。Currently on the market configuration
FAGImported 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。]，If you dont choose the wrong scare to use correctly，Before bearing life，It can be used for a long time，In this case，The damage state is exfoliation。 Damage state:When the bearing is rotated under load，Inner ring、The raceway surface or rolling surface of the outer ring shows a fishscale peeling phenomenon due to rolling fatigue。The original Due to the:Excessive load。Poor installation（Non-linear line
Act 3 plastic a one﹑The basic content of plastic parts 1.Three-dimensional space content﹐Geometric structure﹐Size and accuracy。 2.The content of the surface of the plastic part﹑Markers﹑symbol﹑Text﹑Surface pattern﹑graph﹑roughness。 3.static﹑Dynamic performance﹐machine﹑physics﹑Chemical properties。 4.environment﹑ergonomics。 5.Choice of plastics。 6.cost﹑Price。 7.The feasibility of forming die and forming method﹐economical。 two﹑Geometric structure and dimensional accuracy 1.Structure includes the design of internal structure and external structure。 1-1.shape﹕plastic
1、 SL1126Internal combustion engine assembly SL1126Internal combustion engines are made up of body assemblies、Cylinder head assembly、Kinematic assembly，Other mechanism assembly, etc，See pictureI。 (1)The body assembly consists mainly of：airframe、Oil pan、fan、Oil marker、Synchronous gear chamber cover、Main pair crankshaft bearings[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
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