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introduction： An important part of plant design﹐Including the construction of houses for factories﹑equipment﹑device﹑Logistics in the plant﹑Induced abortion﹑Energy flow﹑The organic combination and reasonable allocation of information flow etc。Good factory layout can make the whole production system safe﹑Ground running﹐And create conditions for the factory to obtain better economic benefits。Plant layout includes general plant layout(Or plant layout)And workshop layout two parts。Its main work content is﹕Against external conditions﹑Production process and material
2015-01-08 Reading quantity 2894
introduction：Method for determination of film thickness GB/T1764-1979 Idling method for measuring exhaust pollutants of gasoline vehicles GB/T3845-1993 Measurement of smoke at free acceleration of diesel vehicles Filter paper smoke method GB/T3846-1993 Compressed-combustion engines and vehicles equipped with compressed-combustion engines GB/T3847-1999 Emission limits and test methods for visible pollutants in exhaust gas GB14761.7-93 Earthmoving machinery Tractive force test method GB/T6375-1986 earthwork
2015-01-08 Reading quantity 2806
introduction： The rake vacuum dryer produced by our company is based on the technology of domestic rake vacuum dryer for all kinds of paste、paste、graininess、powdery、Fibrous and other materials reinforced、Its an improved design，The transmission part is stable、Durable cylindrical gear reducer，The drive shaft is made of thick stainless steel solid shaft，The rake teeth are made of high strength cast stainless steel，Fully ensure the stable operation of the rake vacuum dryer in a variety of harsh working environments。Two or four percussion rods can be added to the inside of the housing，To facilitate the rapid drying and crushing of materials。Optional heating medium steam、Heat transfer oil、Hot water。
2015-01-08 Reading quantity 2834
introduction：①The steps and methods of disassembly and assembly of the motor The site should be cleaned before demolition，Get the tools ready，And in the connector line、End cover and housing、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。]Cover and end cover are marked，So as not to make mistakes during assembly。The general steps to remove the motor are as follows： （1）Unequip
2015-01-08 Reading quantity 1602
introduction： The defect is to make the material completely non-flowing，Or just let it flow slightly to form，Punch fillet radius(rp)Nearby rupture。 ①The swelling depth is too large。 In the finishing，rpThe part is ruptured，It is due to expansion beyond the limit，It can be eliminated by increasing the depth of drawing at the beginning of drawing。In addition，When using expansion to form products，Even creating the conditions for the material to stretch easily，But it still breaks，This is to consider the connection with the subsequent process，Or lower the drawing depth，Or change the punch shape。 ②Punch fillet radius(rp)and
2015-01-08 Reading quantity 2803
introduction： (one)、General rules 1.After heat treatment of workpiece，Due to thermal stress and structural stress can cause bending or warping deformation，This deformation is often out of tolerance，therefore，This change in shape must be compensated for by straightening，To make the size and shape of the workpiece conform to the specified range。 2.The straightening methods used by the factory are：Cold press straightening、Hot straightening、Hot spot alignment、There are five kinds of temper straightening and cold strike straightening，Should be based on the material of the workpiece、Shape and mechanical properties of the correct selection of straightening process。 3.Alignment of the workpiece
2015-01-08 Reading quantity 1518
introduction： When a cross section string moves along a guide string，If you rotate the cross section string regularly，Then the required distortion model can be obtained。Make use ofUnigraphics In the free shape scanning feature∶ A lead string，Select Angular Law and Constant proportion。 Operation procedure∶ 1. Select Insert ->Free Form Feature ->Swept …。 2. Select the guide string。 3. Select OK twice。
2015-01-08 Reading quantity 2796
introduction：What is calledIKOBearing burn damage state refers to: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 raceway wheel、The rolling element and cage heat up rapidly in rotation until they change color、malacia、Melting and damage。 The main cause of bearing burn is due to poor lubrication of bearings，An irregular lubricant may have been used，orun
2015-01-08 Reading quantity 1542
introduction：playINAYes 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。]An important factor in whether it works properly。Select the appropriate bearing clearance，The load can be distributed reasonably among the rolling elements；Energy limiting axis（Or shell）The axial and radial displacement of the axis to ensure the rotation accuracy of the shaft；Import bearing[Imported bearing:Simply say imported bearing generation
2015-01-08 Reading quantity 1450
introduction：【Abstract】Aim atTC4Titanium alloy，The laser welding method is adopted，Butt welding depth and its fluctuation、Welding quality、The welding deformation and other aspects are analyzed，The appearance is well formed、Welded joints of normal color，Go byXRadiographic inspection，The internal quality of the weld reaches the national standardGB3233287IILevel requirement，Came trueTC4Precision welding of titanium alloys。In addition，The influence of laser welding process factors on welding quality is also discussed。 keyword TC4Titanium alloy Laser welding is holding7Level accuracy。 TC4Titanium alloy material has a light weight、High specific strength、Corrosion resistance and other features，But its expensive.，
2015-01-08 Reading quantity 2881
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