introduction: A car for transporting goods﹐Most of them have a separate cab and a cargo box adapted to the requirements of the cargo transported(The cab and trunk of a minivan are often integrated)﹐Truck for short。 type Trucks are divided into road trucks and off-road trucks。The main parameters of the truck are the loading capacity and the total weight。Most countries divide road trucks into several tax brackets according to their total weight。Chinas classification method is﹕All up weight15Heavy goods vehicles with tons or more﹐6~15The tonnage is a medium truck﹐6Goods under the ton are light trucks。The total weight of the heaviest road truck is32Tons of﹐The maximum load of a single axis is13Tons of。If uniaxial
2015-01-11 Reading quantity 2877
introduction: Porsche moves into compactSUVThe market dropped an important one。7month12day,legendary“Petit Cayenne”——Brand newPorsche MacanLand in Hangzhou。As a true Porsche sports car,Excellent sports genes in brand newMacanEvery detail is perfectly reflected。 Design aspect,Many classic elements from other top Porsche sports cars give it a sporty, elegant and dynamic image。meanwhile,Brand newMacanThe interior also provides flexibility and a sense of space。 This send
2015-01-11 Reading quantity 2898
introduction:In useSKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fabriken”The Chinese transliterated name is“SKF”;SKFThe group is headquartered in Gothenburg, Sweden,Is a leader in bearing technology and manufacturing。SKFBearings can be divided into sliding according to different specific structures and similarities and differences in working propertiesSKFBearing and rollingSKFbearing]Due to improper operation in the process,underlubrication,Rust and corrosion,And some other factors such as electric current,External material,Eccentricity causes the service life of bearings to be greatly reduced。Therefore, it is necessary in the process of using bearings
2015-01-11 Reading quantity 1612
introduction:1.Present situation of retarder abroad?Gear reducer is widely used in all walks of life,It is an indispensable mechanical transmission device。At present, the reducer generally exists in large volume、heavy,Or the problem of large transmission ratio and low mechanical efficiency。Foreign speed reducer,Germanically、Denmark and Japan are leading the way,In particular, it has advantages in materials and manufacturing processes,The reducer has good working reliability,Long service life。But its transmission form is still mainly fixed shaft gear transmission,Volume and weight issues,Its not solved yet。Recent report,Developed by Sumitomo Heavy Industries in JapanFAHigh precision reducer,AmericaAlan-Ne
2015-01-11 Reading quantity 3019
introduction:It is sometimes encountered in the daily production processTIMKENImported 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。]In the process, the temperature is likely to rise。When the bearing temperature rises,First of all, it is necessary to determine whether the bearing you use is authentic and then determine whether there is a wrong operation,As the above check is no problem,butTIMKENImported bearing[Imported bearing:Simply speaking, imported bearing agent refers to from
2015-01-11 Reading quantity 1490
introduction:Equipment overview: CTLThe centrifugal extractor is a new generation of cylindrical centrifugal extractor,High processing capacity、Low power consumption、Smooth running、Easy to clean and maintain;stand-alone,It can also be used in series with multiple machines,The machine can also adjust the speed according to different extraction system and use conditions、Parameters such as mixing slurry and heavy phase weir diameter were used to improve the mixing degree, separation effect and extraction efficiency。It can completely replace traditional extraction equipment such as extraction tower。 The operation of the machine includes two processes, namely mixed mass transfer process and two-phase separation process,Both processes are done in the same machine。 Hybrid mass transfer process Minor or minor
2015-01-11 Reading quantity 2817
introduction: 1、What is a frequency converter? Frequency converter is a power control device that converts the power frequency power supply to another frequency by using the on-off action of power semiconductor devices。 2、PWMandPAMWhat are the differences? PWMIt is EnglishPulse Width Modulation(Pulse width modulation)abbreviation,The pulse width of the pulse train is changed according to certain rules,A mode of adjusting the output and waveform。PAMIt is EnglishPulse Amplitude Modulation(Pulse amplitude modulation
2015-01-11 Reading quantity 2904
introduction:rechuli gongyixing shiyan Heat treatment manufacturability test test for heat treatment processibility Process performance test to determine the degree to which a material or part can obtain the desired heat treatment effect during a heat treatment process。Due to the diversity of heat treatment processes,It is impossible to use a single performance indicator to characterize and evaluate。The common heat treatment process property is hardenability、Grain growth tendency、Quenching cracking sensitivity、Decarburization sensitivity、Temper brittleness, etc。 hardenability&n
2015-01-11 Reading quantity 2805
introduction:twenty-one:What is stamping? a:Use the press and the corresponding mold,Transform the blank,Make the desired geometry,This process is generally called stamping。 twenty-two:What is hot pressing? a:For some reason,The blank is heated and then pressed,Called hot pressing。 twenty-three:What is blanking? a:Blanking is one of the separation processes,A process in which the material is separated from the workpiece in a closed curve。 Twenty four:What is punching? a:Punching is one of the separation processes,Hit along the closed curve
2015-01-11 Reading quantity 2872
introduction:To ensure after installationFAGImported 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。]Whether it is installed correctly,It needs to be checked for operation。So how do you check? For small machinery,You can rotate it by hand to make sure its running smoothly。Check items include: 1、There are foreign bodies without cause、scar、Poor operation due to indentation; 2、There is no cause for poor installation,The torque caused by poor machining of the mounting seat is unstable
2015-01-11 Reading quantity 1557