中英文文献翻译齿轮传动文档格式.docx

1、 applies are wide； spreads to move an efficiency high, =0.92.0.98； work is dependable, service life long； Outline size outside the is small, structure tightly packed.The wheel gear constituted to； from wheel gear, stalk, bearings and box body decelerates a machine, useding for prime mover and work m

2、achine or performance organization of, have already matched to turn soon and deliver a function of turning , the application is extremely extensive in the modern machine. Local deceleration machine much with the wheel gear spread to move, the pole spread to move for lord, but widespread exist power

3、and weight ratio small, or spread to move ratio big but the machine efficiency lead a low problem.There are also many weaknesses on material quality and craft level moreover, the especially large deceleration machines problem is more outstanding, the service life isnt long.The deceleration machine o

4、f abroad, with Germany, Denmark and Japan be placed in to lead a position, occupying advantage in the material and the manufacturing craft specially, decelerating the machine work credibility like, service life long.But it spreads to move a form to still take settling stalk wheel gear to spread to m

5、ove as lord, physical volume and weight problem, dont also resolve likeThe direction which decelerates a machine to is the facing big power and spread to move ratio, small physical volume, high machine efficiency and service life to grow greatly nowadays develops.Decelerating the connecting of machi

6、ne and electric motor body structure is also the form which expands strongly, and have already produced various structure forms and various products of power model numbers.Be close to ten several in the last yearses, control a technical development because of the modern calculator technique and the

7、number, make the machine process accuracy, process an efficiency to raise consumedly, pushed a machine to spread the diversification of movable property article thus, the mold piece of the whole machine kit turns, standardizing, and shape design the art turn, making product more fine, the beauty tur

8、ns.Become a set a machine material in 21 centuries medium, the wheel gear is still a machine to spread a dynamic basic parts.CNC tool machine and the craft technical development, pushed a machine to spread to move structure to fly to develop soon.Be spreading to move the electronics control, liquid

9、in the system design to press to spread to move, wheel gear, take the mixture of chain to spread to move, will become become soon a box to design in excellent turn to spread to move a combination of direction.The academics that is in spread move the design crosses, will become new spread a movable p

10、roperty article the important trend of the development.Essential character：Reduction gear、 Bearing 、gear 、mechanical driveSummaryThis time graduate the design to have the contents a to design concerning the machine that decelerate the complets system.Decelerating the machine is a kind of from close

11、to move in the rigid wheel gear in the hull is an independent complete organization .Pass thisa design can then the first step controls general simple a set of complete designs step and methods of the machine.This time graduate the design to introduce the type function of the deceleration machine an

12、d constitute the etc. primarily , made use of all.directionsly learned the knowledge .Such as:Machine graphics ,the metals material craft learns the theories knowledge that business trip etc.already learn. In actual production can analysis definitely reach agreement .The general type that decelerate

13、 the machine has:The cylinder wheel gear decelerates the machine ,cone wheel gear decelerates the machine ,wheel gear.cochlea pole decelerates the machine ,stalk park type decelerates machine ,assembles type decelerate machine ,couplet type decelerate machine ,couplet type decelerate machine .Furthe

14、r educated in this time design independent ability that engineering design, set up the right design thought controls the in common use machine spare parts ,the machine spread to move the device with the simple machine design of method with step ,the consideration that request synthesize usage the re

15、quest of economic craft etc . make sure the reasonable design project .Key phrase: reducer rigidity technolic components/zeroporatPrecent/projectPlanetary gear reducer gear reducer than the normal small size, light weight, high efficiency and transmission power range, etc, widely applied gradually.

16、At the same time its drawbacks are: material quality, complex, high precision manufacturing, more difficult to install, design complex calculations than the average speed reducer. but on the planet as people drive technology further in-depth understanding and knowledge as well as the introduction of

17、 foreign planetary transmission and absorption of technology to drive the structure and contain its way are constantly improving, and continuously improve the level of production technology, can produce a better planetary gear reducer.According to a general load of gear strength, geometric dimension

18、s of the design calculation, and then to carry out transmission ratio conditions, concentric condition, the assembly conditions, design and calculation of the adjacent conditions, thanks to the number of planetary gear transmission, also must be contained institutions and the design of floating volu

19、me calculation.Planetary gear drive according to the composition of basic enough pieces can be divided into: 2KH, 3K, and KHV are three. If the meshing of gears by the way, can be divided into: NGW-type, NN-based, WW-type, WGW type, NGWN type and N-type and so on. I designed planetary gear is 2KH NG

20、W planetary transmission type. What is the ball screw?So that the movement of objects, generally speaking, the movement will need to generate power, directly or indirectly through other organizations to convey to the Department of the final movement. Case of the automobile, gasoline engine, due to t

21、he combustion piston to move up and down, and through intermediaries ultimately delivered to the wheels to make it happen rotary motion.Todays world, able to represent the mechanical and plant a variety of sports organizations, we can say without exception, have some form of motor conduction institu

22、tions. Ball screw is rotary motion into linear motion, or linear motion into rotary motion of the most reasonable product. ball screw specialties1, compared with the sliding torque of ball screw 1 / 3As the ball screw of the screw shaft and the wire between the mother doing a lot of ball rolling mot

23、ion, so the movement can get higher efficiency. And compared to the last slide ball screw drive torque to 1 / 3 of the following, that is required to achieve the same results of dynamic movement to use the scroll ball screw 1 / 3. Was helpful in saving.2, high precision to ensureBall screw is made i

24、n Japan De mechanical device worlds highest level of coherence produced, especially in research and cutting, assembly, Jian Chage processes of the factory environment, the temperature humidity proce a strictly controlled quality management Youyuwanshan system so that accuracy can be fully guaranteed

25、.3, micro-feed mayAs the ball screw is the use of ball movement, so a very small starting torque, does not appear as a creeping phenomenon of sliding movement can ensure accurate micro-feed.4, no backlash, high rigidityBall screw can be added to the pressure, the pressure due to the axial clearance

26、can reach negative values, and then get a higher rigidity （within the ball screw ball through to add to the pressure in actual use mechanical devices, because of ball The repulsion can increase the rigidity of the Department of silk mother）.5, high-speed feed mayBall screw, sport, high efficiency, s

27、mall heat, so can achieve high-speed feed （Sports）. First:what is reducer Reducer is a dynamic communication agencies, the use of gear speed converters, motor rotational speed reducer to the Rotary to be few, and have greater torque institutions. The reducer role 1） velocity at the same time increas

28、e the output torque, torque output ratio by motor output by slowdown, but the attention should be paid to exceed the rated torque reducer. 2） the speed at the same time reduce the inertia load, the inertia of deceleration than reduced to the square. We can look at the General Motors has a value of i

29、nertia. The type of reducer General helical gear reducer has reducer （including parallel shaft helical gear reducer, a worm reducer, bevel gear reducer, etc.）, planetary gear reducer, Cycloid reducer, a worm reducer, a planetary friction CVT mechanical machines. Common reducer 1） worm reducer is the

30、 main characteristics of a reverse self-locking function, can be larger than a slowdown, input shaft and output shaft axis is not the same, nor in the same plane. But generally larger, transmission efficiency is not high, the accuracy is not high. 2） Harmonic Harmonic Drive reducer is controllable u

31、sing flexible components to transfer elastic deformation and dynamic movement, not volume, high precision, but the disadvantage is that flexible wheel limited life, impatient shocks, rigidity and pieces of metal relatively poor. Not too high speed input. 3） planetary reducer its comparative advantage is compact structure, the return gap small, high precision, and have a long life span rated output torque can be done great. However, a price slightly expensive,