金屬加工領域廣泛使用切削液,它主要起潤滑、防鏽、清洗、冷leng卻que作zuo用yong。化hua學xue合he成cheng切qie削xue液ye是shi一yi種zhong新xin型xing水shui基ji切qie削xue液ye,它ta是shi由you各ge種zhong添tian加jia劑ji複fu配pei而er成cheng,具ju有you性xing能neng穩wen定ding,使shi用yong周zhou期qi長chang,低di汙wu染ran等deng優you點dian,是shi目mu前qian切qie削xue液ye研yan究jiu的de方fang向xiang。德de豐feng消xiao泡pao劑ji廠chang的de研yan發fa中zhong,發fa現xian它ta的de缺que點dian是shi在zai使shi用yong過guo程cheng中zhong易yi起qi泡pao,直zhi接jie影ying響xiang其qi潤run滑hua、lengquexiaoguo,eryibandeqiexueyexiaopaojijundabudaoyaoqiu。yinciwomenduiqiexueyexingchengpaomoyijixiaopaoyuanlizuoleliluntantao,duigezhongqiexueyexiaopaojizuoleshiyanyanjiu,yongzhengjiaoshiyanfafupeichulefuhexingqiexueyexiaopaoji,jiejueleshuijiqiexueyexiaopao,yipaonanti。
切削液形成泡沫的原因:
“泡沫”shiburongxingqitizaiwailizuoyongxiajinruyetizhizhong,bingbeiyetigelidefeijunxiangxitong,jiqitifensanzaiyetizhongdeyizhongzhitixitong。paomodechanshengyuyetidebiaomianzhanglizhijieyouguan。jiangsuoyanzhidehuaxuehechengqiexueyepeizhichengyixiliebutongnongdudeshuirongye,cedingbutongnongdushuirongyedebiaomianzhangli。??
經一係列的實驗可以看出,加入切削液能顯著降低水的表而張力。當濃度達到I. 50h時,表麵張力降低。即CM(二值為I.5%。從曲線的特征看出,切削液類似於一種表而活性劑,當切削液濃度達到(:61(二(er)時(shi),水(shui)溶(rong)液(ye)表(biao)麵(mian)就(jiu)聚(ju)集(ji)了(le)大(da)量(liang)的(de)表(biao)而(er)活(huo)性(xing)物(wu)質(zhi),形(xing)成(cheng)單(dan)分(fen)子(zi)膜(mo),使(shi)係(xi)統(tong)表(biao)而(er)張(zhang)力(li)達(da)合(he)適(shi)。表(biao)而(er)活(huo)性(xing)物(wu)質(zhi)具(ju)有(you)雙(shuang)親(qin)結(jie)構(gou),一(yi)端(duan)親(qin)水(shui),一(yi)端(duan)親(qin)油(you),易(yi)形(xing)成(cheng)泡(pao)沫(mo)。實(shi)際(ji)使(shi)用(yong)切(qie)削(xue)液(ye),配(pei)製(zhi)濃(nong)度(du)大(da)於(yu)CM(二er值zhi,溶rong液ye中zhong有you足zu夠gou數shu量liang的de表biao而er活huo性xing物wu質zhi,當dang在zai金jin屬shu加jia工gong過guo程cheng切qie削xue液ye循xun環huan使shi用yong時shi,與yu大da量liang空kong氣qi接jie觸chu,會hui形xing成cheng氣qi泡pao,切qie削xue液ye中zhong的de表biao麵mian活huo性xing物wu質zhi在zai氣qi液ye界jie麵mian定ding向xiang排pai列lie形xing成cheng吸xi附fu膜mo,使shi泡pao沫mo穩wen定ding存cun在zai。隨sui著zhe切qie削xue過guo程cheng進jin行xing,一yi些xie固gu體ti微wei粒li也ye易yi吸xi附fu在zai泡pao沫mo表biao麵mian,形xing成cheng三san相xiang泡pao沫mo,使shi泡pao沫mo更geng穩wen定ding。因yin此ci,切qie削xue液ye形xing成cheng泡pao沫mo的de主zhu要yao原yuan因yin是shi表biao而er活huo性xing物wu質zhi在zai氣qi一yi液ye界jie而er發fa生sheng正zheng吸xi附fu,形xing成cheng穩wen定ding的de吸xi收shou膜mo。

切削液起泡原因
切削液消泡劑的消泡原理
qiexueyezhongdeqipaoyaojingguoqipaodezaifenbu,jianboxifumohouducainengziranxiaopao。qipaodezaifenbuzhuyaoshiyouyufujiayalibutongzaochengde,dangqiexueyezhongchanshengdaxiaobudengdeqipaoshi,shexiaoqipao“率半徑為一大氣泡為It,附加壓力2,r>??2(r,當dang兩liang個ge氣qi泡pao接jie觸chu時shi,氣qi體ti通tong過guo界jie而er由you小xiao氣qi泡pao向xiang大da氣qi泡pao擴kuo散san,使shi小xiao氣qi泡pao變bian小xiao,大da氣qi泡pao變bian大da而er破po裂lie。減jian薄bo吸xi附fu膜mo厚hou度du靠kao排pai液ye與yu蒸zheng發fa,當dang切qie削xue液ye中zhong形xing成cheng氣qi泡pao時shi,對dui液ye體ti而er言yan是shi凹ao液ye而er,附fu加jia壓ya力li指zhi向xiang曲qu率lv中zhong心xin,這zhe種zhong力li使shi液ye體ti移yi動dong造zao成cheng膜mo壁bi變bian薄bo,使shi泡pao破po裂lie。自zi然ran消xiao泡pao時shi間jian長chang,達da不bu到dao要yao求qiu,但dan根gen據ju上shang述shu原yuan理li我wo們men可ke以yi有you目mu的de地di加jia入ru相xiang應ying物wu質zhi,使shi其qi迅xun速su消xiao泡pao。當dang泡pao沫mo產chan生sheng時shi,可ke加jia入ru一yi種zhong具ju有you更geng低di表biao而er張zhang力li的de物wu質zhi,使shi其qi迅xun速su滲shen入ru泡pao沫mo之zhi間jian液ye膜mo上shang,由you於yu表biao而er張zhang力li低di的de液ye體ti自zi動dong流liu向xiang表biao麵mian張zhang力li高gao的de液ye體ti,引yin起qi氣qi泡pao應ying力li不bu平ping衡heng,達da到dao消xiao泡pao目mu的de。而er加jia入ru一yi種zhong川chuan13值為。_4之間的物質,可捕獲表麵活性物質憎水鏈端,使其迅速鋪展,抑製形成彈性膜,防止形成氣泡,以此達到消泡,抑泡目的。
切削液消泡劑加入量與加入工藝
德豐消泡劑廠研製的化學合成切削液是高效濃縮液,使用時加20倍(bei)水(shui)衝(chong)稀(xi),特(te)種(zhong)複(fu)合(he)型(xing)切(qie)削(xue)液(ye)消(xiao)泡(pao)劑(ji)直(zhi)接(jie)加(jia)入(ru)稀(xi)溶(rong)液(ye)能(neng)達(da)到(dao)良(liang)好(hao)的(de)消(xiao)泡(pao)性(xing),但(dan)使(shi)用(yong)不(bu)方(fang)便(bian),應(ying)當(dang)把(ba)它(ta)添(tian)加(jia)到(dao)濃(nong)縮(suo)液(ye)中(zhong)。按(an)上(shang)述(shu)正(zheng)交(jiao)實(shi)驗(yan)得(de)到(dao)的(de)佳(jia)配(pei)比(bi)配(pei)製(zhi)出(chu)複(fu)合(he)型(xing)消(xiao)泡(pao)劑(ji)進(jin)行(xing)加(jia)入(ru)量(liang)與(yu)加(jia)入(ru)工(gong)藝(yi)實(shi)驗(yan)。實(shi)驗(yan)表(biao)明(ming),此(ci)複(fu)合(he)消(xiao)泡(pao)劑(ji)適(shi)合(he)在(zai)切(qie)削(xue)液(ye)配(pei)製(zhi)過(guo)程(cheng)中(zhong)加(jia)入(ru),加(jia)入(ru)量(liang)。分(fen)兩(liang)步(bu)加(jia)入(ru),第(di)一(yi)步(bu)在(zai)切(qie)削(xue)液(ye)合(he)成(cheng)中(zhong)期(qi)加(jia)入(ru),可(ke)使(shi)消(xiao)泡(pao)劑(ji)與(yu)原(yuan)液(ye)反(fan)應(ying),抑(yi)製(zhi)反(fan)應(ying)過(guo)程(cheng)中(zhong)的(de)泡(pao)沫(mo),第(di)二(er)步(bu)在(zai)反(fan)應(ying)後(hou)期(qi)加(jia)入(ru)。分(fen)階(jie)段(duan)加(jia)入(ru)消(xiao)泡(pao)劑(ji)能(neng)更(geng)好(hao)地(di)發(fa)揮(hui)其(qi)效(xiao)能(neng),同(tong)時(shi)也(ye)能(neng)減(jian)少(shao)加(jia)入(ru)量(liang)。
1、切削液消泡劑DF-211:切削液消泡劑用於金屬加工、切削液、微乳液、高含水量液壓液、乙二醇液壓液、溶劑清洗、酸堿水性清洗劑、冷卻液、磨削(油)液、線割液、自動流水線清洗機、大型淨洗機、潤滑(油)液、皂化油、電火花工作液、鑽孔液、精磨液、蝕刻液、電解液線割液、堿提法工藝消泡、脫水劑等場合消泡抑泡。

切削液消泡劑
2、乳化油消泡劑DF-244:乳化油消泡劑用於乳化油、微乳液、金屬加工半合成切削液、高含水量液壓液、水-乙二醇液壓液、酸堿水性清洗劑等。
特性:乳化油消泡劑含特殊改性聚醚及含氟原料經過特殊工藝複配而成,極溶於水,特別適合在高溫、強酸堿、高剪切力、高壓存在的條件下,持續保持消泡、抑泡。具有極好的耐高溫性、耐酸堿性、不漂浮、不漂油;可在很寬的溫度範圍內廣泛用於各種惡劣體係的泡沫消去和抑製。

乳化油消泡劑
3、潤滑油專用消泡劑DF-215:潤滑油專用消泡劑用於金屬加工潤滑油、各種切削油、液壓液、防鏽潤滑油、熱處理介質、助焊劑、成形油、拉拔油、壓鑄油、衝壓油、電火花機油、水-乙二醇液壓液、冷卻液、磨削(油)液、線割液、脫水劑、各種油品如皂化油等消泡。
特性:dongguanshidefenghuagongyouxiangongsiyanfashengchanderunhuayouzhuanyongxiaopaojishiwogongsiyinjinguowaijishuheshebeizhenduijixiejiagongyedetedianerkaifazhuanyongxiaopaoji。tazhuyaoshiyongyugaowen、強堿、高(gao)粘(zhan)度(du)體(ti)係(xi)的(de)消(xiao)泡(pao)。潤(run)滑(hua)油(you)專(zhuan)用(yong)消(xiao)泡(pao)劑(ji)還(hai)克(ke)服(fu)了(le)一(yi)般(ban)消(xiao)泡(pao)劑(ji)與(yu)乳(ru)化(hua)油(you)不(bu)相(xiang)溶(rong)的(de)缺(que)點(dian),能(neng)與(yu)各(ge)種(zhong)潤(run)滑(hua)液(ye)混(hun)合(he),且(qie)無(wu)浮(fu)於(yu)表(biao)麵(mian)現(xian)象(xiang)。另(ling)在(zai)磨(mo)削(xue)過(guo)程(cheng)中(zhong)抗(kang)剪(jian)切(qie)能(neng)力(li)特(te)別(bie)強(qiang),在(zai)皂(zao)化(hua)油(you)對(dui)水(shui)時(shi),不(bu)會(hui)有(you)飄(piao)油(you)現(xian)象(xiang),不(bu)會(hui)在(zai)機(ji)床(chuang)表(biao)麵(mian)形(xing)成(cheng)油(you)垢(gou)。抑(yi)泡(pao)時(shi)間(jian)長(chang),而(er)受(shou)油(you)品(pin)廠(chang)家(jia)的(de)好(hao)評(ping)
4、液壓液專用消泡劑DF-245:液壓液專用消泡劑可用於金屬加工液壓液、切削油、高含水量液壓液、防鏽潤滑油、熱處理介質、助焊劑、成形油、拉拔油、壓鑄油、衝壓油、電火花機油、水-乙二醇液壓液、冷卻液、磨削(油)液、線割液、脫水劑消泡抑等
特性:液壓液專用消泡劑由含特殊改性聚醚及含氟原料經過特殊工藝複配而成,極容易溶於水,特別適合在高溫、強酸堿、高剪切力、高壓存在的條件下,持續保持消泡、抑泡,不影響液壓液透明度。具有極好的耐高溫性、耐酸堿性、不漂浮、不漂油;可在很寬的溫度範圍內廣泛用於各種惡劣體係的泡沫消去和抑製。
德豐消泡劑廠是一家專業生產各行業消泡劑的廠,專業研發的切削液消泡劑已得到廣泛應用!
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