外文翻譯--拉式膜片彈簧離合器的產(chǎn)生

1、<p><b>　　附 錄</b></p><p>　　Rumsfeld diaphragm spring clutch of production</p><p>　　Car exquisite machine that mankind create, it change and change world of us. At present, the c

2、ar recoverable amount in the whole world passes over 700 million ownly. Since entering the WTO, the auto industry of our country has demonstrated the momentum developed at full speed, the status in our country's nati

3、onal economic development of auto industry comes more and more outstandingly, own through becoming the pillar industry of our country. Science and technology is the first productivity of pro</p><p>　　With th

4、e development at full speed of science and technology, the performance of the car engine is improved rapidly. Rotational speed of the engine that at present and spraining The square is generally relatively high, such as

5、05 sections of maximum power 78KW/5750rpm of Citroen zx, the biggest torsion 42Nm / 420rpm BMW53oi maximum power 170KW/5900rp m, the biggest torsion 300Nm/3500rpm; The torsion change is with the treasure 5 series of hors

6、e are examples, in 1983, its biggest torsion of engin</p><p>　　Because the traditional diaphragm spring clutch is unavoidable in the course of using will be produced and worn and torn, this phenomenon Will l

7、ead to the fact that compress tightly strength to increase actually, therefore the separation strength of separating clutch increases correspondingly, enable the clutch pedal Strength increases. </p><p>　　Di

8、aphragm pull in the spring out of the support of the parts and no support ring or just a support ring , its structure is simpler and less the parts of the compact, the number and quality are few ； diaphragm pull sprin

9、g is in central and down the offer is on the same size under the conditions for a relatively large diameter diaphragm spring, and improve the pressure force on the turn of the matrix, and don't build upon, in turn c

10、arry the same moment, but the size of the smaller structure ；I</p><p>　　拉式膜片彈簧離合器的產(chǎn)生</p><p>　　汽車是人類創(chuàng)造的精美機器，它改變了和正在改變著我們的世界。目前，全世界汽車保有量己經(jīng)超過七億輛。入世以來，我國汽車工業(yè)呈現(xiàn)出了飛速發(fā)展的勢頭，汽車工業(yè)在我國國民經(jīng)濟發(fā)展中的地位越來越來突出，己經(jīng)成為了

11、我國的支柱性產(chǎn)業(yè)?？萍际峭苿由鐣l(fā)展的第一生產(chǎn)力，要加快我國汽車工業(yè)發(fā)展的步伐，進一步縮短與發(fā)達國家行業(yè)間的差距，首當(dāng)其沖就是要加大科技的投入，提高企業(yè)的自主創(chuàng)新能力。</p><p>　　隨著科技的飛速發(fā)展，汽車發(fā)動機的性能迅速提高。目前發(fā)動機轉(zhuǎn)速及扭矩一般都較高，如富康05款最大功率78KW/5750rpm，最大扭矩42Nm /420rpBMW53oi最大功率170KW/5900rp m，最大扭矩300Nm/

12、3500rpm;扭矩變化以寶馬5系列為例，1983年，其發(fā)動機最大的扭矩為206Nm，到2003年就增加到500Nm，在20年中，其扭矩增加了1倍。要注意汽車離合器的踏板力與發(fā)動機扭矩成正比，扭矩的增加導(dǎo)致踏板力增大;而踏板力的增大，會導(dǎo)致駕駛員舒適度降低。所以在汽車發(fā)動機的性能提高—扭矩增加的情況下，如何減小汽車離合器的踏板力，提高駕駛員的舒適性，是現(xiàn)在汽車離合器設(shè)計需要考慮的一個問題。</p><p>　　由

13、于傳統(tǒng)的膜片彈簧離合器在使用過程中不可避免會產(chǎn)生磨損，這一現(xiàn)象會導(dǎo)致實際壓緊力增大，因而分離離合器的分離力也相應(yīng)增大，使離合器踏板力增加。</p><p>　　拉式膜片彈簧離合器取消了中間支承各零件，并不用支承環(huán)或只用一個支承環(huán)，使其結(jié)構(gòu)更簡單、緊湊，零件數(shù)目更少，質(zhì)量更少；拉式膜片彈簧是中部與壓盤相壓在同樣壓盤尺寸的條件下可采用直徑較大的膜片彈簧，提高了壓緊力與傳遞轉(zhuǎn)矩的能力，且并不增大踏板力，在傳遞相同的轉(zhuǎn)矩