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1、英文原文Wheel gears spreading to move is a the most wide kind of the application spreads to move a form in the modern machine. Its main advantage BE:The. spreads to move to settle, work than in a moment steady, spread to move accurate credibility, can deliver space arbitrarily sport and the motive of th
2、e of two stalks；Power and speed scope 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 machin
3、e, useding for prime mover and work machine 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
4、for lord, but widespread exist power 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
5、 isnt long.The deceleration machine of 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 set
6、tling stalk wheel gear to spread to move 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
7、.Decelerating the connecting of machine 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
8、 modern calculator technique and the 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, mak
9、ing product more fine, the beauty turns.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
10、move the electronics control, liquid 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 crosse
11、s, will become new spread a movable property 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
12、 the machine is a kind of from close 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 fu
13、nction of the deceleration machine and 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 agreem
14、ent .The general type that decelerate 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 ,co
15、uplet type decelerate machine .Further 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
16、 that request synthesize usage the request 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. At the same time its drawbacks are: material quality, complex, high precision manufacturin
