齒輪(lun)齒條加工工藝_云翔機械質量保證研(yan)磨齒輪(lun)在(zai)今天的(de)(de)制造環境中(zhong),國內制造商(shang)面臨(lin)來自(zi)* 各(ge)(ge)地(di)的(de)(de)激烈(lie)競爭。由于這些競爭對(dui)(dui)手往往能(neng)夠(gou)獲(huo)得類似的(de)(de)甚至相同的(de)(de)設備(bei)和機器,而且似乎(hu)有無(wu)盡的(de)(de)低(di)成(cheng)本勞動(dong)(dong)力供應,因(yin)此(ci)國內生產(chan)商(shang)必須找到(dao)盡可能(neng)有效地(di)生產(chan)產(chan)品的(de)(de)方(fang)法,并消(xiao)除大多數即(ji)使不(bu)是全部的(de)(de)非價值添加人的(de)(de)觸動(dong)(dong)。只要齒輪(lun)從(cong)實心零件切割或(huo)滾壓,就(jiu)不(bu)會消(xiao)除在(zai)加工過程中(zhong)產(chan)生的(de)(de)毛刺(ci)。齒輪(lun)加工廠用(yong)(yong)來去毛刺(ci)的(de)(de)基本的(de)(de)方(fang)法是氣動(dong)(dong)研(yan)磨機;高轉(zhuan)速,各(ge)(ge)種(zhong)各(ge)(ge)樣(yang)(yang)(yang)的(de)(de)砂礫和工具樣(yang)(yang)(yang)式,以及相對(dui)(dui)較低(di)的(de)(de)進入成(cheng)本使得這種(zhong)類型的(de)(de)手工去毛刺(ci)成(cheng)為當今常用(yong)(yong)的(de)(de)方(fang)法之(zhi)一(yi)。與手動(dong)(dong)磨機一(yi)樣(yang)(yang)(yang),終的(de)(de)結果與機械手轉(zhuan)動(dong)(dong)手柄一(yi)樣(yang)(yang)(yang)好(hao)。用(yong)(yong)氣動(dong)(dong)磨床(chuang)手動(dong)(dong)去毛刺(ci)也不(bu)例外。
制(zhi)造(zao)商與用戶的(de)密切配合 刀具創新(xin)開發(fa)的(de)前提(ti)是刀具制(zhi)造(zao)商、機床制(zhi)造(zao)商與用戶的(de)合作,沒有這樣(yang)的(de)協作,制(zhi)造(zao)技(ji)(ji)術(shu)和材料(liao)開發(fa)領域的(de)發(fa)展就難以奏效Fette公(gong)司開發(fa)的(de)另外兩項新(xin)技(ji)(ji)術(shu)表明了(le)這種合作在(zai)解(jie)決復雜(za)加(jia)工問題時的(de)價值。
工(gong)(gong)件(jian)(jian)的(de)(de)(de)(de)(de)毛坯是模鍛件(jian)(jian),平均加(jia)(jia)工(gong)(gong)余量(liang)為(wei)2.5mm,必須分為(wei)多次走刀(dao),不僅(jin)費時,材(cai)料(liao)(liao)浪(lang)費也很大。 齒(chi)(chi)條(tiao)(tiao)在(zai)汽(qi)車(che)行業中的(de)(de)(de)(de)(de)應用(yong)汽(qi)車(che)轉(zhuan)向(xiang)齒(chi)(chi)條(tiao)(tiao)可(ke)(ke)分爲(wei)(wei)直(zhi)齒(chi)(chi)條(tiao)(tiao)和(he)(he)螺旋齒(chi)(chi)條(tiao)(tiao),亦(yi)可(ke)(ke)以分爲(wei)(wei)單齒(chi)(chi)型齒(chi)(chi)條(tiao)(tiao)和(he)(he)變齒(chi)(chi)型齒(chi)(chi)條(tiao)(tiao)。齒(chi)(chi)型部分的(de)(de)(de)(de)(de)寬(kuan)度(du)一般(ban)爲(wei)(wei)200mm左右,加(jia)(jia)工(gong)(gong)深度(du)在(zai)5-10mm。國內目前(qian)仍采用(yong)把熱處理作(zuo)爲(wei)(wei)末道工(gong)(gong)序的(de)(de)(de)(de)(de)工(gong)(gong)藝流程,齒(chi)(chi)條(tiao)(tiao)的(de)(de)(de)(de)(de)常(chang)規加(jia)(jia)工(gong)(gong)是在(zai)未淬(cui)火的(de)(de)(de)(de)(de)材(cai)料(liao)(liao)上磨(mo)出(chu)齒(chi)(chi)型,然(ran)後淬(cui)硬。但(dan)國外(wai)有些(xie)廠家已把磨(mo)削(xue)(xue)(xue)優(you)化爲(wei)(wei)末道工(gong)(gong)序,因爲(wei)(wei)如果在(zai)整(zheng)體淬(cui)硬的(de)(de)(de)(de)(de)實(shi)體材(cai)料(liao)(liao)上直(zhi)接(jie)磨(mo)出(chu)全寬(kuan)度(du)齒(chi)(chi)型可(ke)(ke)以明顯提高(gao)加(jia)(jia)工(gong)(gong)質量(liang)和(he)(he)生(sheng)產效(xiao)率(lv)。長期來,我國的(de)(de)(de)(de)(de)汽(qi)車(che)行業大多采用(yong)插削(xue)(xue)(xue)、銑削(xue)(xue)(xue)或拉削(xue)(xue)(xue)方法進行汽(qi)車(che)轉(zhuan)向(xiang)齒(chi)(chi)條(tiao)(tiao)齒(chi)(chi)型的(de)(de)(de)(de)(de)加(jia)(jia)工(gong)(gong)。從這些(xie)工(gong)(gong)藝的(de)(de)(de)(de)(de)實(shi)際(ji)應用(yong)來看,插削(xue)(xue)(xue)、銑削(xue)(xue)(xue)的(de)(de)(de)(de)(de)精(jing)度(du)精(jing)度(du)較低,效(xiao)率(lv)一般(ban),而(er)拉削(xue)(xue)(xue)的(de)(de)(de)(de)(de)精(jing)度(du)稍好,效(xiao)率(lv)也較高(gao),但(dan)是這幾種(zhong)加(jia)(jia)工(gong)(gong)方式的(de)(de)(de)(de)(de)精(jing)度(du)和(he)(he)效(xiao)率(lv)都不及(ji)強力(li)成(cheng)形磨(mo)削(xue)(xue)(xue),而(er)且所使(shi)用(yong)的(de)(de)(de)(de)(de)刀(dao)具成(cheng)本高(gao),加(jia)(jia)工(gong)(gong)的(de)(de)(de)(de)(de)柔性(xing)較差。
2. 工(gong)(gong)件(jian)夾持方(fang)式(shi)造成工(gong)(gong)序(xu)多 原(yuan)有車削加(jia)工(gong)(gong)工(gong)(gong)藝通常(chang)是(shi)(shi)先(xian)夾持工(gong)(gong)件(jian)一(yi)端、加(jia)工(gong)(gong)另一(yi)端,然后調換加(jia)工(gong)(gong)的方(fang)式(shi),總(zong)共需要兩道工(gong)(gong)序(xu)才能完成加(jia)工(gong)(gong)3. 毛坯去除量大(da) 工(gong)(gong)件(jian)的毛坯是(shi)(shi)模鍛件(jian),平均加(jia)工(gong)(gong)余量為(wei)2.5mm,分為(wei)多次走刀,不僅費時,材料浪(lang)費也很(hen)大(da)。
零件的(de)實(shi)際尺寸(cun)(cun)為(wei)715mm×30mm×28m粗銑前留(liu)2-3mm余(yu)(yu)量(liang)(liang)(liang)(liang)粗銑加(jia)(jia)(jia)工(gong)(gong)(gong)后(hou)(hou)留(liu)2-3mm余(yu)(yu)量(liang)(liang)(liang)(liang)以便于精銑粗銑加(jia)(jia)(jia)工(gong)(gong)(gong)后(hou)(hou)留(liu)0.2-0.3mm余(yu)(yu)量(liang)(liang)(liang)(liang)給精磨(mo)留(liu)的(de)余(yu)(yu)量(liang)(liang)(liang)(liang)所(suo)以綜上(shang)所(suo)述(shu)該毛(mao)坯(pi)應留(liu)有的(de)加(jia)(jia)(jia)工(gong)(gong)(gong)余(yu)(yu)量(liang)(liang)(liang)(liang),以保證工(gong)(gong)(gong)件的(de)正(zheng)常(chang)加(jia)(jia)(jia)工(gong)(gong)(gong),經粗略計(ji)算(suan)毛(mao)坯(pi)的(de)尺寸(cun)(cun)長×寬(kuan)×高為(wei)720mm×35mm×33mm。2.2 切(qie)削(xue)用量(liang)(liang)(liang)(liang)、加(jia)(jia)(jia)工(gong)(gong)(gong)余(yu)(yu)量(liang)(liang)(liang)(liang)、工(gong)(gong)(gong)時定額的(de)選擇與計(ji)算(suan)。 齒(chi)(chi)(chi)(chi)(chi)條(tiao)(tiao)(tiao)(tiao)工(gong)(gong)(gong)序的(de)尺寸(cun)(cun)選擇: 毛(mao)坯(pi)尺寸(cun)(cun)齒(chi)(chi)(chi)(chi)(chi)輪和(he)齒(chi)(chi)(chi)(chi)(chi)條(tiao)(tiao)(tiao)(tiao)相(xiang)互嚙合(he)產(chan)(chan)生(sheng)(sheng)(sheng)噪音(yin)(yin)的(de)主要(yao)因(yin)素在(zai)(zai)哪里齒(chi)(chi)(chi)(chi)(chi)之間的(de)嚙合(he)就(jiu)(jiu)會(hui)發(fa)出聲(sheng)音(yin)(yin),那(nei)(nei)么(me)現在(zai)(zai)就(jiu)(jiu)來(lai)分(fen)析一下這些生(sheng)(sheng)(sheng)產(chan)(chan)產(chan)(chan)生(sheng)(sheng)(sheng)的(de)主要(yao)因(yin)素在(zai)(zai)哪里,首先是在(zai)(zai)加(jia)(jia)(jia)工(gong)(gong)(gong)精度上(shang),我們(men)知道越是精密的(de)零件,在(zai)(zai)運用起(qi)來(lai)和(he)降(jiang)低噪音(yin)(yin)方(fang)面越好(hao),那(nei)(nei)么(me)如(ru)(ru)果(guo)齒(chi)(chi)(chi)(chi)(chi)輪和(he)齒(chi)(chi)(chi)(chi)(chi)條(tiao)(tiao)(tiao)(tiao)的(de)加(jia)(jia)(jia)工(gong)(gong)(gong)精度比較(jiao)好(hao)的(de)話,我們(men)就(jiu)(jiu)來(lai)考(kao)慮(lv)一下齒(chi)(chi)(chi)(chi)(chi)條(tiao)(tiao)(tiao)(tiao)在(zai)(zai)安裝過程(cheng)中出現的(de)問(wen)題,如(ru)(ru)果(guo)安裝不精準,如(ru)(ru)對接齒(chi)(chi)(chi)(chi)(chi)條(tiao)(tiao)(tiao)(tiao)產(chan)(chan)生(sheng)(sheng)(sheng)縫隙,或(huo)者齒(chi)(chi)(chi)(chi)(chi)輪和(he)齒(chi)(chi)(chi)(chi)(chi)條(tiao)(tiao)(tiao)(tiao)之間的(de)距離不合(he)適,在(zai)(zai)齒(chi)(chi)(chi)(chi)(chi)輪和(he)齒(chi)(chi)(chi)(chi)(chi)條(tiao)(tiao)(tiao)(tiao)的(de)嚙合(he)過程(cheng)中就(jiu)(jiu)會(hui)產(chan)(chan)生(sheng)(sheng)(sheng)相(xiang)對運動(dong)不準確(que),那(nei)(nei)么(me)還是會(hui)產(chan)(chan)生(sheng)(sheng)(sheng)噪音(yin)(yin),如(ru)(ru)果(guo)噪音(yin)(yin)還是過大,那(nei)(nei)么(me)需要(yao)考(kao)慮(lv)齒(chi)(chi)(chi)(chi)(chi)輪和(he)齒(chi)(chi)(chi)(chi)(chi)條(tiao)(tiao)(tiao)(tiao)本身的(de)質量(liang)(liang)(liang)(liang)問(wen)題,如(ru)(ru)變形和(he)齒(chi)(chi)(chi)(chi)(chi)部(bu)破損等為(wei)題。齒(chi)(chi)(chi)(chi)(chi)條(tiao)(tiao)(tiao)(tiao)的(de)各種熱(re)處理(li)方(fang)式
設在(zai)機(ji)廂內,由電動(dong)機(ji)、減速器(qi)(qi)和齒輪齒條組成減速器(qi)(qi)輸出軸(zhou)端的齒輪,伸出機(ji)廂,與固定在(zai)塔架上的齒條嚙合(he),帶(dai)著(zhu)機(ji)廂上下運(yun)行。
齒(chi)輪齒(chi)條加工工藝_云翔(xiang)機(ji)械質量保(bao)證(zheng)1、絕(jue)緣(yuan)(yuan)材料(liao)的(de)(de)(de)(de)工作(zuo)溫(wen)(wen)(wen)(wen)度(du)(du)。這是(shi)齒(chi)輪減(jian)(jian)(jian)(jian)速(su)機(ji)在設(she)計預期(qi)壽命內,運行時繞組絕(jue)緣(yuan)(yuan)中熱點的(de)(de)(de)(de)溫(wen)(wen)(wen)(wen)度(du)(du)。如果運行溫(wen)(wen)(wen)(wen)度(du)(du)長(chang)期(qi)超過材料(liao)的(de)(de)(de)(de)工作(zuo)溫(wen)(wen)(wen)(wen)度(du)(du),則(ze)絕(jue)緣(yuan)(yuan)的(de)(de)(de)(de)老化加劇,壽命大大縮短。2、溫(wen)(wen)(wen)(wen)升(sheng)是(shi)齒(chi)輪減(jian)(jian)(jian)(jian)速(su)機(ji)諧波(bo)減(jian)(jian)(jian)(jian)速(su)機(ji)與環境的(de)(de)(de)(de)溫(wen)(wen)(wen)(wen)度(du)(du)差(cha),是(shi)由齒(chi)輪減(jian)(jian)(jian)(jian)速(su)機(ji)發熱引起(qi)的(de)(de)(de)(de)。溫(wen)(wen)(wen)(wen)升(sheng)是(shi)齒(chi)輪減(jian)(jian)(jian)(jian)速(su)機(ji)設(she)計及運行中的(de)(de)(de)(de)一項重(zhong)要指標(biao),標(biao)志著齒(chi)輪減(jian)(jian)(jian)(jian)速(su)機(ji)的(de)(de)(de)(de)發熱程度(du)(du),在運行中,如齒(chi)輪減(jian)(jian)(jian)(jian)速(su)機(ji)溫(wen)(wen)(wen)(wen)升(sheng)突然增大,說明齒(chi)輪減(jian)(jian)(jian)(jian)速(su)機(ji)有(you)故(gu)障,或(huo)風道阻塞或(huo)負荷太重(zhong);3、運行中的(de)(de)(de)(de)齒(chi)輪減(jian)(jian)(jian)(jian)速(su)諧波(bo)減(jian)(jian)(jian)(jian)速(su)機(ji)機(ji)鐵芯處在交(jiao)變磁場(chang)中會產生(sheng)鐵損,繞組通電后(hou)會產生(sheng)銅(tong)損,還有(you)其它(ta)雜散損耗(hao)等,這些(xie)都會使齒(chi)輪減(jian)(jian)(jian)(jian)速(su)機(ji)溫(wen)(wen)(wen)(wen)度(du)(du)升(sheng)高。齒(chi)條的(de)(de)(de)(de)基本概念
齒面(mian)(mian)的(de)磨(mo)損(sun)實在主如果因為(wei)外界影響(xiang)構(gou)成的(de),一樣平常對付頤養事情(qing)沒有做好的(de)齒條(tiao)和(he)齒輪在實用中,因為(wei)介質的(de)影響(xiang),如硬顆粒(li),塵土等的(de)計入而惹(re)起(qi)的(de)磨(mo)損(sun),如許齒面(mian)(mian)就(jiu)構(gou)成毀壞,構(gou)成齒的(de)磨(mo)損(sun)三齒面(mian)(mian)的(de)點蝕;齒的(de)事情(qing)面(mian)(mian)表層產(chan)生(sheng)的(de)纖細的(de)疲憊裂紋,裂紋分散(san)后金屬微粒(li)零落構(gou)成的(de)凹(ao)坑。
齒輪齒條加工工藝(yi)_云翔(xiang)機(ji)(ji)械質量(liang)保(bao)證(zheng)小齒輪又使(shi)另外一個轉(zhuan)軸高速(su)運(yun)轉(zhuan)。高速(su)轉(zhuan)軸與發電(dian)(dian)機(ji)(ji)相連。當高速(su)轉(zhuan)軸帶動發電(dian)(dian)機(ji)(ji)運(yun)轉(zhuan)時便可發電(dian)(dian)。電(dian)(dian)纜把電(dian)(dian)流輸(shu)送到(dao)(dao)位于(yu)支(zhi)撐塔底部的變壓器中。電(dian)(dian)力經變壓器把電(dian)(dian)壓調整(zheng)到(dao)(dao)合(he)適水平后,才把電(dian)(dian)力輸(shu)送到(dao)(dao)電(dian)(dian)網。
圖解常用的(de)7種齒(chi)(chi)輪(lun)加工(gong)方(fang)法(fa) 齒(chi)(chi)形(xing)(xing)(xing)齒(chi)(chi)輪(lun)加工(gong)的(de)方(fang)法(fa)有(you)很多種,一般有(you)粉末冶金法(fa),銑(xian)(xian)齒(chi)(chi),成形(xing)(xing)(xing)磨齒(chi)(chi),滾齒(chi)(chi),剃齒(chi)(chi),插(cha)齒(chi)(chi),展成法(fa)磨齒(chi)(chi) 1.銑(xian)(xian)齒(chi)(chi) 采用盤形(xing)(xing)(xing)模數銑(xian)(xian)刀(dao)或指狀(zhuang)銑(xian)(xian)刀(dao)銑(xian)(xian)齒(chi)(chi)屬于成形(xing)(xing)(xing)法(fa)加工(gong),銑(xian)(xian)刀(dao)刀(dao)齒(chi)(chi)截面形(xing)(xing)(xing)狀(zhuang)與齒(chi)(chi)輪(lun)齒(chi)(chi)間形(xing)(xing)(xing)狀(zhuang)相(xiang)對應此種方(fang)法(fa)加工(gong)效率(lv)和加工(gong)精度均較低,僅(jin)適用于單件(jian)小(xiao)批生產。
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