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introduction： Since the reform and opening up，With our additionWTOGradually stand out from the international competition，Bearing of our country[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 industry has been steadily and rapidly developing。 According to the National Bureau of Statistics annual report，2004National bearing industry state-owned and state-owned holding enterprises and annual sales5
2015-04-09 Reading quantity 1643
introduction： Displacement flowmeter is also known as displacement flowmeter（positive displacement flowmeter），For shortPDFlowmeter orPDF，In the flow meter is the highest precision class。It utilizes mechanical measuring elements to continuously divide the fluid into individual known volume parts，According to the measuring room one by one、The number of times the volume portion is repeatedly filled and discharged to measure the total flow volume。PDFlowmeters generally do not have a time reference，A device that requires additional measurement time to obtain instantaneous flow values。Constant displacement measurement methods can be traced back18century，20century
2015-04-09 Reading quantity 2901
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。]After installation，To check that the installation is correct，An operational check is required。Small machines can be turned by hand，To make sure the rotation is smooth。Check items for foreign bodies、scar、Poor operation due to indentation，Due to poor installation，The torque caused by poor machining of the mounting seat is unstable
2015-04-09 Reading quantity 1527
introduction： 1.Metal thick tail anchor structure Metal thick tail anchor bolt is mainly composed of rod body and anchor tail，The rod body and the anchor tail are integral pieces of the same material，Bolt can be selected according to the project needs of different materials，The rod body can also be machined into different appearance forms according to needs，The anchor tail is generally the thread of rolling dead processing。The biggest feature of the bolt is different from other bolts in structure：The nominal diameter of the thread of the anchor tail is greater than the diameter of the rod body，And the rod body and the anchor tail are connected in an integral way，Instead of a welded connection。 2.Technical characteristics of metal thick tail bolt Metal coarse tail anchor bolt has good mechanical properties，（Called metal thick tail bolt outside of gold
2015-04-09 Reading quantity 1447
introduction： There is no gap between the sealing ring and the rotating shaft，Weighing contact seal，The larger the contact area of the sealing ring contact lip，The better the seal，But the less rotational speed the shaft is allowed，On the contrary。 1.The first is a research trial，And screen out deep groove ball bearings[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
2015-04-09 Reading quantity 1453
introduction： High carbon chromium rolling bearings[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。]Chemical composition of steel brand Standard
2015-04-09 Reading quantity 1568
introduction：Mechanical properties requirements of molds--Conventional mechanical properties The performance of the mold material is determined by the composition of the mold material and the organization after heat treatment。The basic structure of die steel is composed of martensitic matrix and carbides and intermetallic compounds distributed on the matrix。 The performance of the die steel should meet the performance of a certain mold to complete the rated workload，However, due to the use conditions of various molds and the rated workload indicators completed are not the same，Therefore, the requirements for mold performance are also different。Because the chemical composition and structure of different steels have different effects on various properties，Even the same grade of steel can not be the same
2015-04-09 Reading quantity 2930
introduction：twenty-one：What is the transmission method that can obtain a larger transmission ratio？ a：Gear drive。 twenty-two：What is the sum of basic time and auxiliary time？ a：Working hours。 twenty-three：What are the general principles of mold design？ a：It is under the premise of ensuring the quality of stamping parts，Strive to design the mold manufacturing easy，Simple process，Low cost，Easy to use，It has a certain service life。 Twenty four：What problems should be paid attention to when formulating process regulations？ a：（1）Technologically advanced （2）It makes economic sense （3）Good and safe working conditions
2015-04-09 Reading quantity 2829
introduction： Fluidized bed jet millLHCSeries belongs to dry ultrafine grinding equipment，The fineness of its products can reachd97<3m，Fineness and energy consumption indicators represent the latest development level of air flow grinding，It is the latest achievement of our companys self-technological innovation，Obtained the utility model patent of fluidized bed jet mill，Its excellent crushing and energy-saving effect has been praised by users。 LHCSeries fluidized-bed shielded colliding jet pulverizers have unique crushing properties、Hierarchical structure。Innovative design of crushing chamber and crushing nozzle，So that the equipment has super crushing ability。The principle of classification is the use of classification wheel speed regulation running shape
2015-04-09 Reading quantity 2842
introduction： SKFImported 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 addition to excellent quality，Its a very sophisticated part，Both are high performanceSKFImported 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，when
2015-04-09 Reading quantity 1474
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