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introduction： For display（indicate、recording）The measured industrial automation instrument。The ability to convert various information from a measuring instrument or other device into a visible scale reading、Digital code、The function of curves and various symbolic graphics is called display。The basic principle of the display instrument is quite similar to that of people writing and painting on paper with a pen。Used in the instrument“pen”There are mechanical pens and needles、Electron beams and laser beams and other forms；“paper”Theres regular paper、Fluorescent screen、photoplastic、LCD and plasma screen, etc。The display instrument can be controlled according to the input information of various variables“pen”The movement of，in“paper”Depicts the visible form of the process variable，tabulated
2015-05-05 Reading quantity 2810
introduction：In metal cutting，Tool selection is a problem that almost every process engineer must face。 There are many problems to consider in tool selection，Accordingly, there are many principles，Efficiency principle，Machining precision principle，Stability principle，Economic principles and so on。 today，I would like to say a few words here about the efficiency principle。 The efficiency principle is in fact inseparable from other principles，Especially the economic principle。The main purpose of requiring efficiency，Is to ensure the economy of the entire processing。But efficiency is particularly important，So I made it my own，Discuss separately。 The effect
2015-05-05 Reading quantity 2886
introduction： Hevi-Railbearing[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。]Its a heavy roller bearing，Can provide very high loading capacity for material handling and other applications。especiallyHVBEASeries bearing，It provides a good way to deal with the axial clearance in the system。
2015-05-04 Reading quantity 1555
introduction： Place metal workpieces in 1Below atmospheric pressure(That is, under negative pressure)Heat treatment of metal。20century20The end of the decade﹐With the development of electric vacuum technology﹐The vacuum heat treatment process appeared﹐At that time it was only used for annealing and degassing。Due to equipment limitations﹐This process has not achieved great progress for a long time。60～70age﹐Air-cooled vacuum heat treatment furnace has been successfully developed﹑Cold wall vacuum oil quenching furnace and vacuum heating high pressure gas quenching furnace, etc﹐The vacuum heat treatment process has been a new development。Carburizing in vacuum﹐in
2015-05-04 Reading quantity 2877
introduction： The pre-treated strip is sent to the acid tank for pickling。Pickling methods can be divided into two categories；One is acid leaching，The second is acid electrolysis。The former is the commonly adopted method，The latter is a complementary approach，In most cases, a combination of acid leaching is used。 Pickling process： Acids used alone or in combination are nitric acid、Hydrofluoric acid、vitriol。Nitric acid is an oxidizing agent，Can promote the passivation of stainless steel，But it doesnt have any descaling effect on its own。Hydrofluoric acid is very corrosive，Not only erosion of iron scales，It also erodes the base metal，roughen。therefore，Neither of these acids
2015-05-04 Reading quantity 1473
introduction： In recent years，Chinese automobile、Power generation equipment、Mould manufacturing and other industries have introduced a large number of various machining centers and supporting CNC tools from abroad。In order to cooperate with the effective use and localization of various CNC cutting tools introduced by Shanghai General Motors Co., LTD，Our company set up a cutting tool sharpening center，And specifically from DenmarkSORENCOThe company introduced the worlds most advanced CNC tool grinding machine，So that our companys tool manufacturing and grinding technology level has been greatly improved，Enriched the varieties of tools and sharpening tools manufactured by our factory，Improve the processing capacity of all kinds of solid carbide and high-speed steel tools。
2015-05-04 Reading quantity 2806
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。]The oil seal packaging should not be removed until it is about to be delivered for routine inspection,And dip it into the contents3％Oil is washed in gasoline or acid-free kerosene，Turn its outer ring and rinse the cage carefully、The junction between the rolling element and the raceway，Any hidden parts of the original oil residue is required to be thoroughly cleaned
2015-05-04 Reading quantity 1579
introduction：INAbearing[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。]One revolution、Raceway surface of inner ring and outer ring，Due to the rolling contact with the rolling element，Therefore, the trajectory is dark，The running track attached to the raceway surface is not abnormal，The load conditions can then be determined，So with the bearing removed，Please pay close attention to and observe the running track of the raceway surface
2015-05-04 Reading quantity 1480
introduction：one、Introduction to diffusion metal carbide coating technology 1、 Technical introduction Diffusion metal carbide coating technology is to place the workpiece in a special medium，By diffusion, a layer of metal carbide from several microns to tens of microns is formed on the surface of the workpiece。The carbide layer has an extremely high hardness，HVreachable1600~3000（Depends on the type of carbide），In addition，The carbide shoe is metallurgically bonded with the matrix，Does not affect the surface finish of the workpiece，It has extremely high wear resistance、anti-occlusion（cohere）、Corrosion resistance and other properties，It can greatly improve the service life of tooling and mechanical parts。 2、 Related technology
2015-05-04 Reading quantity 2813
introduction：TIMKENKnuckle 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。]Judgment of availability，Mainly considerTIMKENDamage degree of joint bearing、Mechanical property、significance、Operating condition、Until the next inspection period。Can no longer be used if the following defects，Must be replacedTIMKENKnuckle bearing。Within the
2015-05-04 Reading quantity 1478
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