2023年全國(guó)碩士研究生考試考研英語(yǔ)一試題真題(含答案詳解+作文范文)_第1頁(yè)
已閱讀1頁(yè),還剩70頁(yè)未讀, 繼續(xù)免費(fèi)閱讀

下載本文檔

版權(quán)說(shuō)明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請(qǐng)進(jìn)行舉報(bào)或認(rèn)領(lǐng)

文檔簡(jiǎn)介

1、上海交通大學(xué)碩士學(xué)位論文USB 3.0連接器的高機(jī)械壽命性能研究及實(shí)現(xiàn)姓名:蘇來(lái)軍申請(qǐng)學(xué)位級(jí)別:碩士專業(yè):機(jī)械工程指導(dǎo)教師:黎明柱;薛章蘭20100601上海交通大學(xué)工程碩士學(xué)位論文 摘要 IIThe Research and realization on the high mechanical life of USB 3.0 connec

2、tor Abstract As one of the most important suppliers for electrical connectors globally, Foxconn proposes a 15000 times mechanical life for USB 3.0 connector at the beginning of design. It is so forward-looking for that

3、the latest requirement on USB mechanical life is 8000 times. It’s vital for Foxconn to enhance its competition and expand its market share, which also can help Foxconn to be a leading supplier in this area. This thesis m

4、ainly focused on the following items: finding the main factors affecting the mechanical life based on the analysis and test on current design; analyzing the mating and un-mating mechanism of USB connector; drafting the p

5、roposal on structure and material for USB 3.0; studying the affection to mechanical life by contact surface, contact coating, contact elasticity and housing; setting the length and angle of shell cantilever by simulation

6、 analysis through computer; choosing the best contact coating; improving the combination between the housing and the metal parts; producing samples for function test and validation. The results show that the mechanical

7、 life of new design can reach 15000 times. And the achievements in this research are good for practical use. Key words: USB connector,mechanical life,mating and un-mating mechanism,elasticity,contact coating,simulation

溫馨提示

  • 1. 本站所有資源如無(wú)特殊說(shuō)明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請(qǐng)下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請(qǐng)聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
  • 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁(yè)內(nèi)容里面會(huì)有圖紙預(yù)覽,若沒(méi)有圖紙預(yù)覽就沒(méi)有圖紙。
  • 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
  • 5. 眾賞文庫(kù)僅提供信息存儲(chǔ)空間,僅對(duì)用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對(duì)用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對(duì)任何下載內(nèi)容負(fù)責(zé)。
  • 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請(qǐng)與我們聯(lián)系,我們立即糾正。
  • 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶因使用這些下載資源對(duì)自己和他人造成任何形式的傷害或損失。

評(píng)論

0/150

提交評(píng)論