introduction:CANThe bus has outstanding reliability and real-time performance,Suitable for work in complex battlefield environment,Based onCANTime information data interface of fieldbus,The transmission of time information can be fully guaranteed,The standard data interface is provided for the electronic time fuze system,It is easy to be used in the embedded transformation of other air defense weapon systems or in the future digital air defense weapon systems。This paper expoundsCANfieldbus、Bus interface technology、Time information extraction circuit structure、Information wireless transmission structure and other principles,And how to use itCANFieldbus technology realizes time information sharing technology。 CANFieldbus Overview
2015-01-04 Reading quantity 2890
introduction:abrasive Grinding wheel Al2O3 Aluminium oxide balance Balance bond unite borazon Boron oxide cubic crystal buffing wheel Polishing cloth wheel diamond Diamond dresser Grinding wheel trimmer dressing trim endless grinding belt Circulating grinding belt finishing allowance Machining allowance grain Abrasive particle grinding disc
2015-01-04 Reading quantity 2811
introduction:1、270℃~350℃brittle:Also known as low temperature tempering quenching,Most occur in carbon steel and low alloy steel。 2、400℃~550℃brittle:Usually the alloy steel used for construction is prone to embrittlement at this temperature range。 3、475℃brittle:Especially refer toCrExceed content13%Granulated iron series stainless steel,in400℃to550℃When tempered,Resulting in increased hardness and embrittlement phenomenon,in475℃Left and right are particularly significant。 4、500℃~570℃brittle:Commonly found in machining tool steel、High speed steel and other materials,At this temperature carbides precipitate,twofold
2015-01-04 Reading quantity 1464
introduction:one、Rolling 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。]Vibration of Vibration of rolling bearing is very sensitive to bearing damage,exfoliation、impression、corrosion、crack、Wear and tear will be reflected in the vibration measurement of rolling bearings,therefore,By using a special bearing vibration gauge(Frequency analyzer)The magnitude of the vibration can be measured
2015-01-04 Reading quantity 1465
introduction: Well-known rolling 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 working performance depends largely on its material properties。As the worlds largest rollSKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fabriken”
2015-01-04 Reading quantity 1511
introduction:Fining and super fining are the final processing processes of steel balls,Higher thanG40Grade steel ball processing generally adopts super finishing process。The final size deviation of the steel ball、Geometric accuracy、Surface roughness、Surface quality and burns and other technical requirements,To meet the requirements of the fine or super fine process regulations。 When checking the diameter deviation and geometric accuracy of the steel ball,Must be measured on the specified special instrument。Check the surface roughness and surface quality of the workpiece after finishing,Eye inspection under astigmatic lamp is generally used。In case of dispute,Can be found in90Check under magnifying glass,And compared with the corresponding standard photos。The surface quality of the workpiece after super finishing
2015-01-04 Reading quantity 1550
introduction:Generally speaking,Solid eccentric 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 rolling bearing itself does not produce noise。Commonly felt“Bearing noise”In fact, the bearing directly or indirectly produces a sound effect of vibration with the surrounding structure。 This is why many times the noise problem can be seen as involving the entire integral eccentric bearing
2015-01-04 Reading quantity 1554
introduction:A substance or space within a specified range that is selected as the object of analysis in thermodynamic studies。The matter or space outside the system is called the outside world。The boundary between the system and the outside world is called the interface。The interface can be:Real or imaginary;Fixed or mobile。A system that exchanges both energy and matter with the outside world is called an open system or a control body;There is only energy between us(Work and heat)A system without material exchange is called a closed system or a closed system;A system with no heat exchange between the outside world is called an adiabatic system;A system with no exchange of energy or matter with the outside world is called an isolated system。Not in nature
2015-01-04 Reading quantity 2806
introduction:FAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、The ball、And a single row angular contact ball bearing consisting of a cage assembly with a solid window cage。]Model suffix complete solution(Prefix and postprefix definition specifications) Prefix code R Put directly onFAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、The ball、And a single row angular contact ball bearing consisting of a cage assembly with a solid window cage。]Before base code,The rest of the code names are separated by small dots from the base code names。 In the specifications for the new model,Instead of the dots"-" GS.—
2015-01-04 Reading quantity 1571
introduction:1.Compact mechanical structure、Light size、Minor; 2.Good heat exchange performance,Radiate quickly;Precision reducer 3.Easy installation、Flexible and agile、Superior performance、Easy maintenance; 4.High transmission speed ratio、High torque、High overload capacity; 5.Run smoothly,Low noise,durable; 6.Strong applicability、High safety and reliability。 This product has been widely used in various industries production process equipment mechanical deceleration device,Well received by users、Is the current modern industrial equipment to achieve large torque、High speed ratio low noise、The best choice for highly stable mechanical deceleration drive control
2015-01-04 Reading quantity 2864