德语aps材料and technical measurement互换性与测量技术

1、Exchangeability and technical measurement 互换性与测量技术ly , let me correct a small mistake ,this course isnt called exchangeability ,it is abouteconomic .its namederchangeability, it is about machinery .it meant ,there is a groupof same parts ,we can use each of them without repair or select. and the tec

2、hnicalmeasurement is about measuring unit and symbol ,how to describe the precidrawing and the size marking.on theFor exle , Over surplus cooperate （ erference fit）过盈配合 transitional cooperate( transitional fit )过渡配合 Clearance cooperate(clearance fit)间隙配合。I use somcture to explahese . fixed fit 固定配合

3、relative motion 相对运动Coaxial degrees 同轴度 parallel 平行 smooth plane 光滑平面 tolerance 公差 upper deviation 上偏差 Lower deviation 下偏差roughness 粗糙度coaxial degrees 同轴度basic hole system 基孔制（常用 use different shaft to fit same hole, because shaft easy topros ） basic shaft system 基轴制taylor principle原则(shaft : minimu

4、m real size biggern minimum limit size .hole:um real size smallernum limit size. )Electron technique电子技术This courseroduome gate circuits.egrated circuit 集成电路Binary,二进制 Decimal 十进制, Hex 十六进制Gate（ A*B and gate &与门 A+B Truth table 真值表Simplification 简化Karnaugh mapate =1 或门 not gate 1 o 非门）Diode 二极管its s

5、emiconductor. Diode hasay conductivity. For exleoscilloscope 示波器 switch 开关high-levelTriode 三极管low level 低电平Triodes function islification.itive 正极 negative 负极 voltage 电压NPN N ist Add phosphorus 磷in high purity silicon 高纯度硅 P ist Join boron硼replailicon 硅PNP P电子 electron空穴 hole Multiply 乘法Machinery eng

6、ineering foundation 机械工程基础Automatic control technology allows us to gre y improve the control efficiency.we learned the open-loop control system. This control method is simple, but very defective. If the system has erference, it will affect the output. （画一个图 control elements- controlled object）then

7、we learned the closed-loop control system. A closedloop system, the input of the controlled object is dependent on the actual output. Since the output is fed back, and then subtracted from the input. For ex le, constant speed driving a car, 80km/h ,when we drive up the hill, the speed slow down, the

8、n the tachometer feed the speed back, then gas up.（feedback element） routh stability criterionit is a method for determining continuous system stability, for systems with an nth- ordercharacteristic equation of the form. 公式见书，再举个例子Mechanical and electrical机械与电气Synchronous motor 同步电机Asynchronous moto

9、r 异步电机DC motor 直流电机 the dcer is connected directly to the armature conductors throughthe brush and commuor 换向器. the magnetic field is produced by permanent magnets 永磁铁 fixed on the sor the current flow on this way, from a to b, then electromagnetic forceconduced by theeraction of rotor and magnetic

10、field, so the motor can run/roeAC motor 交流电机 Three-phase alternating current 三相交流电Revolving 旋转 Everlasting magnet 永磁铁 Armature 电枢Adapting piece 连接件Sor 定子 rotor 转子Generate Electromagnetic force 产生电磁力 energize rotor 给转子通电Hydromechanics流体力学This course is elective course ,so my teacher onlyroduome simpa

11、sic definitions.For ex molecules缩率 le, compressibility(压缩性), the fluid have compressibility ,because betn分子 has spacing, we increase pre1/Pare ,the volume of fluid will be reduced. 压Expansibility(膨胀性),we increase the temperature of fluid, the volume of fluid will beincreased.膨胀率 _t1/viscosity 粘度 vis

12、cously 粘性,it is inner friction 摩擦 of fluid. velocity gradient 速度梯度ladder form 阶梯形式，pipe 管子Hydraulic steering转向This courseroduce Hydraulic Transmisand Control. it is a transmisform, ittransport and control energy by liquid as medium.control componentscontrol or adjust the liquid prere, flowty and flo

13、w direction,such as flow control valve 流量控制阀, overflow valve 溢流阀 (keep constantprere)direction reverse valve 换向阀(change liquid flow direction)hydraulic pump泵its working theory ist, change the seal volume to produce prere.erABS(anti-lock breaking system)when you are breaking, the hydraulic pump outpu

14、tto wheel ,theer just is prere ,when the prere increase too high to lock wheel, theoverflow valve unload the prere to unlock wheel. so the wheel will cant be locked. maybemy explanation is not accurate ,but this is the basic theory.Machinery design 机械设计roduce the basic knowledge about the design of

15、every part of a machine。From the coursewe should know what kind of requirement we should fulfill. for exle ,we should fulfillthe strength(强度) rigidity(刚度)。Nowadays, the most parts are already standardized, forreduce cost and increase theerchangeability. So, this course teach us how to design thepart

16、st are standardized.For exle, bolts ,its every size are standardized, its length width height, but theimportant design is the radius , because the radius decide the strength .so , if we want todesign the radius of bolts ,we mastknow the loadt it hold up and the material of bolts.Second we work out t

17、he real radius of bolts. Then, we find the standard radius through themachinery book.wormwheel n. 蜗轮 worm n. 蜗杆drive/transmis传动传动berive 带传动chain drive 链Machinery manufacturing机械制造This courseroduome machine tools and cutting theory. we mainly learn basic theory ofcutter, for exle , the cutters geomet

18、ric size. What is working cutting edge, tool face 刀面 rake face 前刀面 nose of tool 刀尖 rake angle 前角 clearance angle 后角。The manufacturing theoryroduce the prosing of parts ,for exle ,the operation , weshouldpros where they are easily prosing?The other benark 基准if we want to ensure preciof this size, we

19、should make thisition as benCutting theory Jig 夹具 benark.angle and forceark and allocationlocateworking feed n.工作进给working surface n. 加工面，工作面workpiece peripheral speed n.工件的圆周转速 workpiece roional frequency n. 工件的转速 worktable n. 工作台主运动 maovement主运动方向 direction of ma进给方向 direction of feedovement进给运动 f

20、eed movement 切削深度 cutting depth前刀面 rake face刀尖前角后角nose of tool rake angleclearance angle 主轴 spindleTechnical measurement技术措施This course mainlyroducet the application of signal at machinery. You know everyobjecve frequency, the machine have frequency too. The technical measurement just usethis charac

21、ter to check the machine. For exle , there is a machine, we knock it, it willshake, we can use the sensor to collect the vibration frequency. It is the machines naturalfrequency. One day if the vibration frequency of this machine have changed, we cmaybe have some problem.now ,itOf course ,it also ca

22、n let me learn the machine, In witch frequency the machine can work best. Modern designSOLIDWORKSVirtual m虚拟模型Simple simulation of kinematics 动力学分析Its functions are more profesal, but application is not wideVirtual design虚拟设计ADAMSSimulate 仿真Multi-body Dynamics 多体动力学It canyze the contact force betn objectsCAD/CAE 技术Pro/EIts mcan directly lead to ADMS withoorrectIts functions are more basic, but wide applicationCourse design 课程设