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introduction： （one）summarize With the continuous expansion of the scale of sugar mills，The original sugar boiling workshop appears to be crowded，To make full use of the existing factory space，Many foreign sugar mills have adopted vertical crystal helpers(See picture1)。 Single slot capacity of vertical assistant100Cubic meter sum150Two cubic meters，When the capacity is150Cubic meter hour，About diameter4.5meter、high10meter，There is a hollow tube type agitator shaft in the middle，Several layers of mixing paddles are installed above：Between two adjacent blades，Fitted with a snake tube heat exchanger（Attached map），The adjacent layers of the heat exchanger are connected in series
2015-01-24 Reading quantity 2809
introduction：1．Raceway inclined spalling： Bearing in Entene[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。]Inclined spalling ring on the working surface，It indicates that the bearing is working in the inclined state，When the Angle of inclination reaches or exceeds the critical state，It is easy to form early abnormal sharp wear and spalling。The cause is mainly due to poor installation，The shaft has a deflection、
2015-01-24 Reading quantity 1511
introduction： Outer spherical ball 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。]It is actually a variant of the deep groove ball bearing，It is characterized by a spherical outer diameter surface of the outer ring，It can be fitted into the corresponding concave sphere of the bearing seat to play the role of aligning。 Although its basic performance and deep groove ball bearings should be similar，But because of this axis
2015-01-24 Reading quantity 1546
introduction： ArkalFilter is an innovation in filtration technology，Its users are all over the United States、Belgium、Israel、Australia and Spain, among others。 Compared with traditional sand filters，ArkalThe filter has the following technical characteristics： 1.Precise filtration：Filter trays with different precision can be selected according to water requirements，There are20μ、55μ、100μ、130μ
2015-01-24 Reading quantity 2813
introduction：20century70－80age，There has been a great development of reducer technology in the world，And closely combined with the development of new technological revolution。The development trend of universal reducer is as follows： ①High level、High performance。Cylindrical gears are generally carburized and quenched、Gear grinding，Increase of carrying capacity4More than，Small size、Light weight、Low noise、High efficiency、High reliability。 ②Modular design。The basic parameter adopts the priority number，Neat size，The parts have strong versatility and interchangeability，The series is easy to expand and renovate，It is beneficial to organize mass production and reduce cost。 ③Type diversification，Variant design many。Cast off
2015-01-24 Reading quantity 2791
introduction：【one】、Size limitation。usualTIMKENImported 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。]The space that can be installed is limited。In most cases，Shaft diameter（Or bearing bore diameter）Is based on mechanical design or other design limitations。Therefore, the choice of bearing type and size is determined by the inner diameter of the bearing。therefrom，The main size table of the scale bearing is prepared according to the international scale inner diameter。
2015-01-24 Reading quantity 1456
introduction：duanlie lixue fenxi Fracture mechanics analysis fracture mechanics analysis Study materials with cracks、A mechanical method for analyzing the conditions and propagation laws of crack initiation in parts and components。Through fracture mechanics analysis，The permissible size of the crack can be determined、Assess the load carrying capacity of parts and components，Estimate its service life，The damage tolerance design method of parts and components is proposed。Both traditional material mechanics and structural mechanics assume that the material is a continuum without cracks，The working stress is compared with the allowable stress
2015-01-24 Reading quantity 2786
introduction： Heat treatment residual force refers to the final residual stress of the workpiece after heat treatment,Shape of the workpiece，Both size and performance make a huge difference。When it exceeds the yield strength of the material,It causes the deformation of the workpiece,When the strength limit of the material is exceeded, the workpiece will crack,Thats the pernicious side of it,It should be reduced and eliminated。However, under certain conditions, the stress is controlled to make it reasonably distributed,The mechanical properties and service life of the parts can be improved,Turn harm into good。The stress distribution and change law of steel during heat treatment are analyzed,It is of profound practical significance to improve product quality to make it reasonably distributed。For example, about surface residues
2015-01-24 Reading quantity 2792
introduction： In everyday life，People often ignore the use of electromagnetic clutch rules，Or some people do not understand how to maintain the electromagnetic clutch。So today we will talk about some common errors of electromagnetic clutches in daily use，And how do you deal with those situations。 First of all，When the cooling fan of the water tank fails and stops running，The use of air conditioning must be stopped immediately，If not，The cooling system creates extra high pressure，It will cause the electromagnetic clutch to burn。 secondly，If the amount of refrigerant added exceeds the regulation，Adjust to the regulations in time
2015-01-24 Reading quantity 2888
introduction：huanjinji moxiao Slow feed grinding creep feed grinding With reduced feed、The method of increasing the grinding depth increases the rate of metal removal rate of grinding。Generally on a special horizontal shaft surface grinder，Use the edge of the grinding wheel to a large cutting depth (=1～20millimeter)And slow feed speed（W＝10～300millimeter/points）Perform surface or form grinding(See picture[The comparison between slow feed surface grinding and ordinary surface grinding])，Grinding wheel linear speed＝30meter／About seconds。Slow feed grinding is suitable for machining various forming surfaces and grooves
2015-01-24 Reading quantity 2799
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