[機(jī)械設(shè)計(jì)自動(dòng)化精品] 深孔振動(dòng)鉆削裝置的設(shè)計(jì)

《[機(jī)械設(shè)計(jì)自動(dòng)化精品] 深孔振動(dòng)鉆削裝置的設(shè)計(jì)》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在工程資料-天天文庫(kù)。

1、畢業(yè)設(shè)計(jì)說(shuō)明書(shū)深孔振動(dòng)鉆削裝置的設(shè)計(jì)學(xué)生姓名：學(xué)號(hào)：學(xué)院：機(jī)械工程與自動(dòng)化學(xué)院專業(yè)：機(jī)械設(shè)計(jì)制造及其自動(dòng)化指導(dǎo)教師：2011年6月深孔振動(dòng)鉆削裝置的設(shè)計(jì)摘要：由于深孔加工是在封閉或半封閉的狀況下進(jìn)行，因此不能直接觀察刀具的切削情況，切削熱不易傳散，而且排屑困難，工藝系統(tǒng)剛性差，切削效果不理想，特別是0.8mm以下，長(zhǎng)徑比大于10,IT7以上的精密深孔的加工，是目前國(guó)內(nèi)外的技術(shù)難題。本課題設(shè)計(jì)時(shí)，在對(duì)振動(dòng)鉆削和DF負(fù)壓抽屑機(jī)理進(jìn)行深入研究的基礎(chǔ)上，設(shè)計(jì)深孔振動(dòng)鉆削裝置，采用普通車床配用一種電磁式振動(dòng)裝置，電磁式振動(dòng)裝置克服了深孔加工斷屑

2、排屑困難的問(wèn)題，并且提高深孔的加工質(zhì)量及加工效率。關(guān)鍵詞：深孔加工，振動(dòng)切削，DF系統(tǒng)Deepholevibrationdrillingdevicedesign Abstract:becauseofthedeepholeprocessinginclosedorsemi-closedisconducted,andthereforecannotbedirectlyobservedthecuttingtool,cutting,andscatteredheatyiscrapsdischargedifficult,processsystemri

3、gidityispoor,cuttingtheeffectnotideal,especially0.8mmbelow,length-diameterratioismorethan10,IT7aboveprecisiondeepholeprocessing,isthetechnicalproblemsathomeandabroad. Thistopicdesign,forvibrationdrillingandthemechanismofsmokecrumbsDFnegativepressure,thoroughstudyontheba

4、sisofthedeepholedesignvibrationdrillingdevice,USESordinarylathewithaassolenoidstylevibratingdevice,assolenoidstylevibratingdeviceovercomesthedeepholeprocessingbrokenbitsscrapsdischargedifficultproblemsandimprovedeepholeprocessingqualityandmachiningefficiency. Keywords:d

5、eepholeprocessing,thevibrationcutting,DFsystem目錄1引言······························································11．1本課題研究的目的和意義·········································11.2國(guó)內(nèi)外深孔振動(dòng)鉆削發(fā)展簡(jiǎn)況及深孔振動(dòng)鉆削的進(jìn)展·················21．2．1國(guó)內(nèi)外深孔振動(dòng)鉆削發(fā)展簡(jiǎn)況··································21．2

6、．2深孔振動(dòng)鉆削的進(jìn)展·········································51．3低頻深孔振動(dòng)鉆削存在的主要問(wèn)題································71．4本課題的來(lái)源及主要研究?jī)?nèi)容·····································71．5對(duì)深孔振動(dòng)鉆削技術(shù)的展望······································102振動(dòng)鉆削的斷屑機(jī)理的研究·········································122

7、．1振動(dòng)鉆削的完全幾何斷屑機(jī)理····································122．1．1振動(dòng)切削為什么能斷屑及斷屑之充分條件·······················122．1．2切屑的形成·················································132．2力學(xué)斷屑機(jī)理··················································142．3本章小結(jié)········································

8、··············153振動(dòng)裝置························································153．1振動(dòng)裝置的設(shè)計(jì)·····················