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introduction： one summarize TH66The alloy is nickel matrix，At the same time, the strengthening element aluminum is added，An age-hardened alloy developed from titanium and the refractory metal niobium。The alloy has good comprehensive properties，Uniform fine grain，High yield strength，Stable organization in high temperature working environment。Suitable at temperatures of750-800℃The working environment for long-term use。 two The composition and properties of the alloy 1 The alloy composition is listed below C Cr Al Ti Nb Ni 0.05 2
2015-01-02 Reading quantity 2823
introduction：TIMKENbearing[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 limit speed is the limit value at which no friction heat causing burns can be generated and continuous rotation can be achieved。WuxiTIMKENBearing limit speed is affectedTIMKENBearing size，type，oiling，precision，Oil gap，Load and other factors，But the most important thing is
2015-01-02 Reading quantity 1478
introduction：This paper focuses on distributed system control（DCS）Applications in power plants，The design idea of the main control function is described in detail。1．Power generation system configuration1．1DCSPower plant control system，Plant setup1Nested distributed control system(DCS)，The system operation mode combining centralized operation and decentralized control of each section。The system adopts German Siemens companySIMATICPCS7New control system，The entire system is controlled by an engineer station、Five operating stations、A data file station、Five processing centers are formed。Control system communication with modern high-speed Ethernet（10/1
2015-01-02 Reading quantity 2886
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。]Rust prevention is an important work，Especially rust prevention between processes，Like bearings in the heat treatment workshop after pickling、cleanse、After grinding，There are many more steps。When the product is not manufactured in flow，Once processed sequentially, it is stored
2015-01-02 Reading quantity 1578
introduction：Continuous hot dip galvanizing wire Color coated steel plate production line uncoiler→Double shear→connector→Edge flattening machine→Inlet looper→pretreatment→Chemical coating→Chemical drying→Primary coater→Primary oven→1Number quenching→Finishing coater→Finishing oven→2Number quenching→Waste gas incinerator→Outlet looper→Slitting machine→Recoiling machine→weigh→Product packaging Process control system Shearing line Charging trolley→Single or double support uncoiler→Levelling machine→Go over the bridge→Correction feed device→Slitting machine→Scrap edge winder→Cross shear
2015-01-02 Reading quantity 2851
introduction： News summary:ImagewarePerfect free shape modeling and detection technology ImagewareProducts provide modeling and application driven solutions in the following areas： Free shape product design、Fast surface、High quality surface、Reverse engineering、Computer aided check、Polygon modeling、Rapid prototyping，Enables customers to accurately design, build and fully test high-quality free-form products in a very short time。 5day Basic moduleImageware SurfacingIs a powerful one、 ImagewareAfter the
2015-01-02 Reading quantity 2880
introduction： 1. Ball-and-fork universal joint According to the different shape of the steel ball raceway, the ball-fork universal joint can be divided into two forms: circular groove and straight groove。 Spherical fork universal joint with circular groove raceway type(figure4—6a)Consists of two universal-joint forks、It consists of four transmission steel balls and one centering steel ball。The center line of the circular groove on the two ball forks isO1andO2Circles with equal radii for their centers，O1andO2To the center of the universal jointOequidistant。When the universal-joint two axes are centered around the center of the ballOWhen turning at any Angle，The center of the ball is always at the intersection of the two circles in the center of the raceway，Thus, the output shaft and the input shaft rotate at the same speed。This ball-and-fork type
2015-01-02 Reading quantity 1618
introduction：1、TIMKENbearing[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 fit to the journal is uneven or the contact surface is too small（The fit gap is too small），The specific pressure per unit area is too large，Most of this happens after a new machine is tested or a new bearing is replaced； 2、Bearing skew or crankshaft bend、contort； 3、Bearing quality is not
2015-01-02 Reading quantity 1493
introduction： DWSeries mesh belt dryer has been successfully applied to dehydrated vegetables、Traditional Chinese medicine decoction piece、Fried food、Shrimp chips、Washed wool、Organic pigment、Drying of various materials such as magnetic powder。 The working principle of this kind of equipment is shown in the figure1，The dryer is divided into several units，The hot air temperature of each unit can be adjusted separately，The hot air circulation mode can be upward ventilation，It can also be downward ventilation or composite ventilation，Under normal circumstances, the combination of upward and downward ventilation is used。On account of
2015-01-02 Reading quantity 2844
introduction：1、Deep and shallow cavity structure static and static pressureNSKbearing[NSKbearing:Seiko Co., LTD（NSK LTD.）Be established in1916years，It is the first manufacturer to design and produce bearings in Japan。NSKThe function of the bearing fit is to makeNSKThe stationary ring and rotating ring of the bearing are respectively the stationary part of the installation part(Usually a bearing seat)And rotating part(Usually an axis)Solidify together，Thus, the basic tasks of transferring the load in the rotating state and defining the position of the moving system relative to the stationary system are realized。]：Suitable for high speed and light load machine tool spindle，Such asM1432External grinding、MGA6025tool
2015-01-02 Reading quantity 1560
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