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超聲波模具設計需要注意哪些方麵

超聲波模具設計需要注意哪些方麵



德召尼克


超(chao)聲(sheng)波(bo)模(mo)具(ju)的(de)設(she)計(ji)和(he)生(sheng)產(chan)一(yi)定(ding)是(shi)非(fei)常(chang)的(de)簡(jian)單(dan)。千(qian)萬(wan)不(bu)要(yao)被(bei)誤(wu)導(dao),當(dang)使(shi)用(yong)一(yi)個(ge)加(jia)工(gong)不(bu)當(dang)或(huo)是(shi)未(wei)經(jing)過(guo)調(tiao)諧(xie)的(de)焊(han)頭(tou),將(jiang)給(gei)你(ni)的(de)生(sheng)產(chan)帶(dai)來(lai)昂(ang)貴(gui)的(de)損(sun)失(shi)——tahuipohuaihanjiexiaoguo,shenzhigengyanzhongdehuizhijiedaozhihuannengqihuofashengqidesunhuai。yincichaoshengbomojudeshejijuebuxiangtadewaixingnayangjiandan,xiangfanxuyaohenduodezhuanyezhishihejineng——ruhebaozhenghantounenggoujingjidegongzuo?ruhebaozhenghantounenggoujianghuannengqizhuanhuandejixiezhendongnengyouxiaodichuandidaogongjianshang,womenxuyaojiangmeiyigehuanjiedoukaolvdefeichangchongfen。


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總的來說,超聲波模具設計主要包括以下五個方麵:

1、超聲波模具加工精度

超chao聲sheng波bo焊han頭tou因yin為wei工gong作zuo於yu高gao頻pin振zhen動dong情qing況kuang下xia,應ying盡jin量liang保bao持chi一yi個ge對dui稱cheng設she計ji,以yi避bi免mian聲sheng波bo傳chuan遞di的de不bu對dui稱cheng性xing導dao致zhi的de不bu均jun衡heng應ying力li及ji橫heng向xiang振zhen動dong,不bu均jun衡heng振zhen動dong能neng導dao致zhi焊han頭tou發fa熱re及ji斷duan裂lie。超chao聲sheng波bo焊han接jie應ying用yong於yu不bu同tong行xing業ye對dui加jia工gong精jing度du要yao求qiu是shi不bu同tong的de,對dui於yu特te別bie薄bo的de工gong件jian如ru鋰li離li子zi電dian池chi極ji片pian與yu極ji耳er的de焊han接jie、金箔等的包覆等對加工精度的要求非常高。


2、 超聲波模具模具頻率參數

任何公司的超聲波焊接機都有一個中心頻率,例如20KHz、40 KHz等,焊接機的工作頻率主要由換能器(Transducer)、變幅杆(Booster)、和焊頭(Horn)的(de)機(ji)械(xie)共(gong)振(zhen)頻(pin)率(lv)所(suo)決(jue)定(ding),發(fa)生(sheng)器(qi)的(de)頻(pin)率(lv)根(gen)據(ju)機(ji)械(xie)共(gong)振(zhen)頻(pin)率(lv)調(tiao)整(zheng),以(yi)達(da)到(dao)一(yi)致(zhi),使(shi)焊(han)頭(tou)工(gong)作(zuo)在(zai)諧(xie)振(zhen)狀(zhuang)態(tai),每(mei)一(yi)個(ge)部(bu)份(fen)都(dou)設(she)計(ji)成(cheng)一(yi)個(ge)半(ban)波(bo)長(chang)的(de)諧(xie)振(zhen)體(ti)。


3、 超聲波模具振動節點

焊頭、bianfuganjunbeishejiweiyigegongzuopinlvdebanbochangxiezhenti,zaigongzuozhuangtaixia,lianggeduanmiandezhenfuda,yinglixiao,erxiangdangyuzhongjianweizhidejiedianzhenfuweiling,yinglida。jiedianweizhiyibanshejiweigudingwei,dantongchangdegudingweishejishihouduyaodayu3mm,huozheshiaocaoguding,suoyigudingweibingbushiyidingweilingzhenfu,zheyangjiuhuiyinzhiyixiejiaoshengheyibufendenengliangsunshi,duiyujiaoshengtongchangyongxiangjiaoquantongqitabujiangeli,huocaiyonggeshengcailiaojinxingpingbi,nengliangsunshizaishejizhenfucanshushiyuyikaolv。


4、超聲波模具振幅

振zhen幅fu對dui於yu需xu要yao焊han接jie的de材cai料liao來lai說shuo是shi一yi個ge關guan鍵jian參can數shu,相xiang當dang於yu鉻ge鐵tie的de溫wen度du,溫wen度du達da不bu到dao就jiu會hui熔rong接jie不bu上shang,溫wen度du過guo高gao就jiu會hui使shi原yuan材cai料liao燒shao焦jiao或huo導dao致zhi結jie構gou破po壞huai而er強qiang度du變bian差cha。因yin為wei每mei一yi間jian公gong司si選xuan擇ze的de換huan能neng器qi不bu同tong,換huan能neng器qi輸shu出chu的de振zhen幅fu都dou有you所suo不bu同tong,經jing過guo適shi配pei不bu同tong變bian比bi的de變bian幅fu杆gan及ji焊han頭tou,能neng夠gou校xiao正zheng焊han頭tou的de工gong作zuo振zhen幅fu以yi符fu合he要yao求qiu,通tong常chang換huan能neng器qi的de輸shu出chu振zhen幅fu為wei10—20μm,而工作振幅一般為30μm左右,變幅杆及焊頭的變比同變幅杆及焊頭的形狀,前後麵積比等因素有關,形狀來說如指數型變幅、函數型變幅、jietixingbianfudeng,duibianbiyingxianghenda,qianhoumianjibiyuzongbianbichengzhengbi。jiandandefangfashianyigongzuodehantoudebilichicunzhizuo,nengbaozhengzhenfucanshudewending。


5、超聲波模具使用壽命

一隻焊頭的使用壽命關鍵決定於兩個方麵:一、材料,二、工藝

材料方麵:超聲波焊接要求金屬材料有柔順性好(聲波傳遞過程中機械損耗小)好的特點,所以常用的材料為鋁合金及鈦合金。

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綜zong上shang所suo述shu,超chao聲sheng波bo模mo具ju設she計ji包bao括kuo超chao聲sheng波bo模mo具ju振zhen幅fu,超chao聲sheng波bo模mo具ju模mo具ju頻pin率lv參can數shu,超chao聲sheng波bo模mo具ju振zhen動dong節jie點dian,超chao聲sheng波bo模mo具ju加jia工gong精jing度du,超chao聲sheng波bo模mo具ju使shi用yong壽shou命ming。更geng多duo資zi訊xun請qing訪fang問wenhttp://www.ger-sonic.com/


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