目錄保鮮膜機(jī)設(shè)計(jì).3摘要.3ABSTRACT.4THEHEADMETALCLIPPERDESIGN.41緒論.51.1課題選擇的背景和目的.51.2保鮮膜機(jī)國內(nèi)外發(fā)展現(xiàn)狀.61.3保鮮膜機(jī)的現(xiàn)狀.71.3.1保鮮膜機(jī)在車間布置和作用.71.3.2保鮮膜機(jī)的類型和特點(diǎn).71.3.3保鮮膜機(jī)研究的內(nèi)容和方法.82方案的選擇與評述.102.1方案選擇.102.2方案評述.103電機(jī)的選擇.123.1剪切力的計(jì)算.123.2剪切機(jī)的扭矩計(jì)算.123.3剪切時,轉(zhuǎn)股穩(wěn)定運(yùn)轉(zhuǎn)轉(zhuǎn)速Hn.133.4電機(jī)型式及電機(jī)容量的選擇.134主要零件的強(qiáng)度計(jì)算.164.1減速機(jī)的計(jì)算.164.1.1減速機(jī)的傳動比分配.164.1.2減速機(jī)齒輪設(shè)計(jì).164.1.3齒輪軸的設(shè)計(jì)計(jì)算.244.2剪刃的設(shè)計(jì).294.2.1材料的選擇.294.2.2剪刃的結(jié)構(gòu)設(shè)計(jì).294.3轉(zhuǎn)股軸承的選擇及校核.294.4側(cè)隙調(diào)整機(jī)構(gòu)的設(shè)計(jì).314.5電動機(jī)的起動力矩的驗(yàn)算.324.5.1系統(tǒng)飛輪力矩的計(jì)算.324.5.2起動時間的計(jì)算.334.5.3起動轉(zhuǎn)角的校核.335潤滑方法的選擇.375.1減速機(jī)潤滑方法及潤滑油的選擇.375.2保鮮膜機(jī)的潤滑.376試車方法和對控制的要求.386.1試車要求.386.2對控制系統(tǒng)的要求.387設(shè)備可靠性與經(jīng)濟(jì)評價.397.1機(jī)械設(shè)備的有效度.397.2投資回收期.39專題-電動機(jī)選擇與探討.411.三相異步電動機(jī)的旋轉(zhuǎn)原理:.422.同步電動機(jī)在結(jié)構(gòu)上大致有兩種：.433.電機(jī)固有步距角：.444.步進(jìn)電機(jī)的一些特點(diǎn)：.455.電動機(jī)的潤滑.46結(jié)論.47致謝.48參考文獻(xiàn).49保鮮膜機(jī)設(shè)計(jì)摘要保鮮膜機(jī)是1700熱連軋機(jī)的單體設(shè)備,它的用途是切頭、切尾，出現(xiàn)卡鋼事故時，將軋件剪斷，處理卡鋼事故。有時也可剪切定尺，檢查軋件的質(zhì)量。本溪鋼鐵公司1700熱連軋廠的保鮮膜機(jī)是為滿足生產(chǎn)要求制造的，本設(shè)計(jì)就是改造切頭、切尾保鮮膜機(jī)及其主傳動系統(tǒng)。重新選擇主電機(jī)，新設(shè)計(jì)的減速機(jī)利用原剪切機(jī)的底座，采用雙電機(jī)，把剪切機(jī)構(gòu)的曲柄搖桿式改成轉(zhuǎn)鼓式，減少了動力矩，提高了剪切質(zhì)量。設(shè)計(jì)中，進(jìn)行剪切力的計(jì)算，選擇主電機(jī)的容量，進(jìn)行軸、齒輪的設(shè)計(jì)計(jì)算，進(jìn)行剪切機(jī)構(gòu)的改進(jìn)設(shè)計(jì)，取得較好的效果，有一定的經(jīng)濟(jì)效益。該切頭保鮮膜應(yīng)用1700連軋廠，切頭和切尾，以及事故處理也可作為1700橫切機(jī)構(gòu)設(shè)計(jì)參考。關(guān)鍵詞：剪切機(jī),轉(zhuǎn)股,切頭,切尾AbstractTheHeadMetalClipperDesignTheheadmetalclipperis1,700hotcompaniesrollingmillsmonomerequipment.Itsuseiscutsawaytheforehead,cutsawaythetail,Whenitappearcatchesthesteelandironaccident,Itcutsbytherollingpart,processingcatchesthesteelandironthematter.Sometimesalsomaycutthesizewhichassigns,inspectsisrolledoverthepartthequality.TheBenxiironandsteelcompany1,700heatcontinuouslyrolloverthemanufacturingplanttocutawaytheforeheadclipperareforsatisfytheproductionrequestmanufacture，Thisdesignisthetransformationcutsawaytheforehead,cutsawaytherearpartclipperanditsthemaintransmissionsystem.Rechoosesthemainelectricalmachinery,thenewdesigndeceleratesthemachineuseoriginallytocutthemachinethefoundation,usesthedoubleelectricalmachinery,cutstheorganizationthecrankrockertypetoaltertotherotordrumtype,reducedthekineticmoment,enhancedhascutthequality.Inthedesign,carriesontheshearingforcethecomputation,thechoicemainelectricalmachinerycapacity,carriesontheaxis,thegeardesigncalculation,carriesoncutstheorganizationtheimprovementdesign,obtainsabettereffect,hasthecertaineconomicefficiency.Shouldcutawaytheforeheadtoflycutsshouldbeusedin1700continuouslyrolloverthemanufacturingplant,cutsawaytheforeheadandcutsawaytherearpart,aswellastheaccidentprocessesalsomaytake1