超聲波焊接機如何正確使用以及超聲波有哪些誤區
超聲波焊接機如何正確使用以及超聲波有哪些誤區
目前超聲波焊接機已相當普及應用於:產品包裝、切割、鉚埋、壓花、打da孔kong等deng行xing業ye,使shi用yong方fang法fa和he對dui設she備bei要yao求qiu大da不bu相xiang同tong。針zhen對dui工gong作zuo中zhong超chao聲sheng波bo焊han接jie機ji存cun在zai的de誤wu區qu問wen題ti解jie決jue。針zhen對dui這zhe些xie誤wu區qu來lai談tan談tan如ru何he正zheng確que使shi用yong超chao聲sheng波bo焊han接jie機ji,需xu注zhu意yi的de事shi項xiang有you以yi下xia幾ji點dian:焊han接jie原yuan理li上shang理li解jie誤wu區qu,有you相xiang當dang一yi部bu分fen從cong事shi多duo年nian超chao聲sheng焊han接jie方fang麵mian的de人ren員yuan,對dui超chao聲sheng能neng量liang傳chuan遞di有you一yi種zhong誤wu解jie,認ren為wei是shi音yin波bo在zai接jie觸chu麵mian進jin行xing焊han接jie,其qi實shi這zhe是shi一yi種zhong誤wu解jie,真zhen正zheng的de焊han接jie原理是: huannengqibadiannengzhuanhuanweijixiehou,tongguogongjianwuzhifenzijinxingchuandao,shengbozaigutizhongdichuandaoshengzuyuanxiaoyuzaikongqizhongdeshengzu,dangshengbotongguogongjianjiefengshi,fengxizhongdeshengzuda,chanshengderenengxiangdangjiuda。wendushouxiandadaogongjianderongdian,zaijiashangyidingdeyali,shijiefengrongjie。ergongjiandeqitabufenyouyurezuxiao,wendudibuhuirongjie。qiyuanlitongdiangongxuezhongdeoumudinglvleisi。
超chao聲sheng波bo焊han接jie機ji對dui要yao焊han接jie的de工gong件jian材cai質zhi也ye是shi有you要yao求qiu的de,不bu是shi所suo有you材cai料liao都dou能neng焊han接jie,有you人ren理li解jie為wei任ren何he材cai料liao都dou可ke以yi焊han接jie,這zhe是shi一yi個ge很hen大da的de誤wu解jie,不bu同tong種zhong材cai質zhi之zhi間jian有you的de能neng更geng好hao地di焊han接jie,有you的de是shi基ji本ben能neng相xiang熔rong,有you的de是shi不bu相xiang熔rong的de。同tong一yi材cai料liao之zhi間jian熔rong點dian是shi相xiang同tong的de,從cong原yuan理li講jiang是shi可ke以yi焊han接jie的de,但dan是shi當dang要yao焊han接jie的de工gong件jian的de熔rong點dian大da於yu350℃時,就不在適合用超聲焊接了。因為超聲是瞬間使工件分子溶化,判斷依據是在3秒之內,不能良好熔接,就應該選擇其它焊接工藝,如熱板焊接等。一般來講ABS料是容易焊接,尼龍是難熔接的。
焊接工件的工藝誤區:
chaoshengnengliangshishunjianbaofadi,rongjiechuyingchengdianhuoxiantiao,yijichuandidejulidouyaofuhechaoshenghanjiefangshi。yourenrenweizhiyaoshisuliaocailiao,wulunzenyangjiehemiandoukeyilianghaodihanjie,zheyeshiyigecuowurenshi。dangshunjiannengliangchanshengshi,jiefengmianjiyueda,nengliangfensanyueyanzhong,hanjiexiaoguoyuecha,shenzhiwufahanjie。lingwaichaoshengboshizongxiangchuanbode,nengliangsunshitongjulichengzhengbi,yuanjulihanjieyingkongzhizai6厘米以內。焊接線應控製在30~80絲之間為宜。工件的臂厚不能低於2毫米,否則不能良好熔接,特別是要求氣密的產品。
焊模結構的誤區:
超聲模具(HORN)型式多種多樣,工件的型狀決定著模具外型,但每部分的尺寸和弧度、材質都要嚴格計算的, 有人錯誤認為隻不過是一個金屬塊而宜。設計的是否合理直接影響著模具的效率、壽命、產品的合格率、嚴重時會直接燒壞發生器。模具的材料一般使用鎂鋁7075,而有些人為降低成本,使用劣質材料,或仿冒的7075。正zheng規gui模mo具ju生sheng產chan商shang進jin料liao都dou有you一yi套tao嚴yan格ge地di檢jian驗yan程cheng序xu,加jia工gong尺chi寸cun都dou是shi經jing過guo計ji算suan機ji軟ruan件jian模mo擬ni和he校xiao驗yan後hou加jia工gong出chu來lai的de。品pin質zhi才cai有you保bao障zhang。這zhe些xie工gong序xu一yi般ban作zuo坊fang是shi無wu法fa做zuo到dao的de,如ru不bu經jing過guo合he理li地di設she計ji,做zuo出chu的de模mo具ju,在zai焊han接jie小xiao工gong件jian時shi,反fan應ying問wen題ti還hai不bu明ming顯xian,當dang大da功gong率lv時shi就jiu會hui出chu現xian各ge種zhong弊bi端duan。嚴yan重zhong時shi直zhi接jie損sun壞huai功gong率lv元yuan件jian。
超聲輸出功率誤區:
超聲波輸出功率的大小,同壓電陶瓷片的直徑和厚度、材質、設(she)計(ji)工(gong)藝(yi)決(jue)定(ding),一(yi)但(dan)換(huan)能(neng)器(qi)定(ding)型(xing),功(gong)率(lv)也(ye)就(jiu)定(ding)型(xing)了(le),衡(heng)量(liang)輸(shu)出(chu)能(neng)量(liang)的(de)大(da)小(xiao)是(shi)一(yi)個(ge)複(fu)雜(za)的(de)過(guo)成(cheng),不(bu)是(shi)換(huan)能(neng)器(qi)越(yue)大(da),電(dian)路(lu)使(shi)用(yong)功(gong)率(lv)管(guan)越(yue)多(duo),輸(shu)出(chu)能(neng)量(liang)就(jiu)越(yue)大(da),它(ta)須(xu)要(yao)相(xiang)當(dang)複(fu)雜(za)的(de)振(zhen)幅(fu)測(ce)量(liang)儀(yi),才(cai)能(neng)準(zhun)確(que)測(ce)量(liang)其(qi)振(zhen)幅(fu),由(you)於(yu)大(da)多(duo)數(shu)使(shi)用(yong)者(zhe)對(dui)超(chao)聲(sheng)知(zhi)識(shi)太(tai)了(le)解(jie),又(you)加(jia)上(shang)某(mou)些(xie)銷(xiao)售(shou)人(ren)員(yuan)的(de)誤(wu)導(dao),給(gei)消(xiao)費(fei)者(zhe)一(yi)個(ge)錯(cuo)誤(wu)認(ren)識(shi)。消(xiao)耗(hao)電(dian)能(neng)多(duo)少(shao)並(bing)不(bu)能(neng)反(fan)應(ying)輸(shu)出(chu)超(chao)生(sheng)功(gong)率(lv)的(de)大(da)小(xiao),如(ru)產(chan)生(sheng)縱(zong)向(xiang)能(neng)量(liang)低(di),而(er)消(xiao)耗(hao)電(dian)流(liu)大(da),隻(zhi)能(neng)說(shuo)明(ming)設(she)備(bei)的(de)效(xiao)率(lv)低(di)下(xia),無(wu)功(gong)功(gong)率(lv)大(da)而(er)宜(yi)。
超聲焊接機種選擇誤區:
使用多大輸出功率、振蕩頻率、振幅範圍,要根據工件的材料、焊線麵積、工件內是否有電子元器件、是(shi)否(fou)要(yao)氣(qi)密(mi)等(deng)因(yin)素(su)來(lai)考(kao)慮(lv)。誤(wu)認(ren)為(wei)功(gong)率(lv)越(yue)大(da)越(yue)好(hao),這(zhe)也(ye)是(shi)一(yi)個(ge)誤(wu)解(jie)。如(ru)果(guo)對(dui)超(chao)聲(sheng)不(bu)是(shi)太(tai)了(le)解(jie),請(qing)教(jiao)正(zheng)規(gui)的(de)超(chao)聲(sheng)波(bo)生(sheng)產(chan)廠(chang)工(gong)程(cheng)技(ji)術(shu)人(ren)員(yuan),有(you)條(tiao)件(jian)的(de)話(hua)到(dao)廠(chang)家(jia)現(xian)場(chang)溝(gou)通(tong),不(bu)要(yao)盲(mang)目(mu)聽(ting)從(cong)一(yi)些(xie)非(fei)正(zheng)規(gui)超(chao)聲(sheng)銷(xiao)售(shou)人(ren)員(yuan)的(de)誤(wu)導(dao)。目(mu)前(qian)生(sheng)產(chan)相(xiang)關(guan)設(she)備(bei)的(de)公(gong)司(si)特(te)別(bie)混(hun)雜(za),其(qi)中(zhong)大(da)部(bu)分(fen)為(wei)家(jia)庭(ting)式(shi)作(zuo)坊(fang),對(dui)電(dian)路(lu)進(jin)行(xing)生(sheng)搬(ban)硬(ying)套(tao)仿(fang)製(zhi),對(dui)工(gong)作(zuo)原(yuan)理(li)似(si)懂(dong)非(fei)懂(dong)。仿(fang)製(zhi)出(chu)的(de)設(she)備(bei)有(you)以(yi)下(xia)致(zhi)命(ming)缺(que)陷(xian):其(qi)一(yi)是(shi)外(wai)買(mai)元(yuan)材(cai)料(liao)品(pin)質(zhi)無(wu)法(fa)保(bao)證(zheng),其(qi)二(er)生(sheng)產(chan)工(gong)藝(yi)的(de)核(he)心(xin)技(ji)術(shu)沒(mei)有(you)掌(zhang)握(wo)。設(she)備(bei)在(zai)中(zhong)功(gong)率(lv)和(he)大(da)功(gong)率(lv)工(gong)作(zuo)時(shi)經(jing)常(chang)表(biao)現(xian)出(chu)不(bu)穩(wen)定(ding),產(chan)品(pin)合(he)格(ge)率(lv)低(di),有(you)時(shi)會(hui)設(she)備(bei)損(sun)壞(huai)。如(ru)驅(qu)動(dong)換(huan)能(neng)器(qi)的(de)功(gong)率(lv)變(bian)壓(ya)器(qi),所(suo)使(shi)用(yong)的(de)磁(ci)性(xing)材(cai)料(liao)參(can)數(shu)無(wu)法(fa)測(ce)量(liang),磁(ci)飽(bao)和(he)磁(ci)通(tong)密(mi)度(du)(Bs ) 磁感應強度(Bm) 、有效磁導率(Ue) 、剩餘磁通密度(Br)、矯頑力(A/M)、損耗因數(tan£)、溫度係數(au/K—1),raozhigongyixiangdangjiangjiu,baokuochouzhenkongjinhuanyangshuzhi。zhexieceshishebeiheshengchanhuanjingjiatingshigongchangshiwufazuodaode。suoyizaigoumaichaoshengboshebeishi,xianlejieyixiagongsiqingkuang,buyaomangmutingcongxiaoshouyuanchuipeng,yebuyaozhikanjiage。zhiyouzheyangcainengrihoujianshaobubiyaomafan,haiyoucailiaowuqudeng。

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