
伺服電機應用在LED固晶機上
伺服電(dian)機(ji)目(mu)前已經在上千種自(zi)動(dong)化設(she)備上有應用(yong)案(an)例,華科(ke)星電氣免費(fei)提(ti)供伺服(fu)電機(ji)選(xuan)型(xing)與產品技(ji)術支持;主(zhu)營伺服(fu)電機(ji)、行星減速機(ji)、步進電機(ji)、PLC等(deng)各類自(zi)動(dong)化產品,歡迎來電咨詢13602631692微信同號,也可咨詢華科(ke)星官網//xfjvk.cn。
隨著(zhu)IT產業和半(ban)導體行業的發(fa)展(zhan),集(ji)成電(dian)路(lu)市(shi)場(chang)呈現穩定(ding)增長趨勢。一方面,固晶機(ji)等半(ban)導體設備在市(shi)場(chang)上需求(qiu)越(yue)來越(yue)大,另一方面, LED產業的蓬勃發(fa)展(zhan)對LED生產設備的要求(qiu)也(ye)越(yue)來越(yue)高,與此同時, IPC技術(shu)的快速(su)發(fa)展(zhan)為滿(man)足以上需求(qiu)提供了保證。
LED固晶(jing)(jing)機是一種將LED 晶(jing)(jing)片(pian)(pian)從(cong)LED晶(jing)(jing)片(pian)(pian)盤吸取后貼裝到PCB 上,實(shi)現(xian)LED晶(jing)(jing)片(pian)(pian)的(de)自動健(jian)合和缺陷晶(jing)(jing)片(pian)(pian)檢(jian)測(ce)功能(neng)的(de)自動化生(sheng)(sheng)產設備,可滿足大(da)多(duo)數LED 生(sheng)(sheng)產線的(de)需求,適(shi)(shi)于各(ge)種高品質,高亮度LED的(de)生(sheng)(sheng)產,部分(fen)可適(shi)(shi)用于三極管、半(ban)導體分(fen)立器件、 DIP和SOP等產品的(de)生(sheng)(sheng)產。適(shi)(shi)用范圍廣,通用性強(qiang)。
LED固晶機的(de)(de)(de)工(gong)作(zuo)(zuo)原理:由上(shang)(shang)料機構把(ba)PCB 板(ban)(ban)(ban)傳(chuan)送(song)(song)到工(gong)作(zuo)(zuo)臺卡具上(shang)(shang)的(de)(de)(de)工(gong)作(zuo)(zuo)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)(zhi)(zhi),先由點(dian)(dian)(dian)膠(jiao)機構將PCB需要(yao)鍵(jian)(jian)(jian)合(he)(he)(he)(he)晶片(pian)(pian)的(de)(de)(de)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)(zhi)(zhi)點(dian)(dian)(dian)膠(jiao),然后(hou)鍵(jian)(jian)(jian)合(he)(he)(he)(he)臂從原點(dian)(dian)(dian)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)(zhi)(zhi)運動(dong)到吸(xi)取晶片(pian)(pian)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)(zhi)(zhi),晶片(pian)(pian)放置(zhi)(zhi)(zhi)(zhi)(zhi)在(zai)薄(bo)膜支撐的(de)(de)(de)擴張器晶片(pian)(pian)盤上(shang)(shang),鍵(jian)(jian)(jian)合(he)(he)(he)(he)臂到位(wei)(wei)(wei)后(hou)吸(xi)嘴(zui)向下(xia)(xia)運動(dong),頂(ding)針向上(shang)(shang)運動(dong)頂(ding)起晶片(pian)(pian),在(zai)拾(shi)取晶片(pian)(pian)后(hou)鍵(jian)(jian)(jian)合(he)(he)(he)(he)臂返(fan)回原點(dian)(dian)(dian)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)(zhi)(zhi)(漏晶檢測位(wei)(wei)(wei)置(zhi)(zhi)(zhi)(zhi)(zhi)),鍵(jian)(jian)(jian)合(he)(he)(he)(he)臂再(zai)從原點(dian)(dian)(dian)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)(zhi)(zhi)運動(dong)到鍵(jian)(jian)(jian)合(he)(he)(he)(he)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)(zhi)(zhi),吸(xi)嘴(zui)向下(xia)(xia)鍵(jian)(jian)(jian)合(he)(he)(he)(he)晶片(pian)(pian)后(hou)鍵(jian)(jian)(jian)合(he)(he)(he)(he)臂再(zai)次返(fan)回原點(dian)(dian)(dian)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)(zhi)(zhi),這樣就是(shi)一個完(wan)整的(de)(de)(de)鍵(jian)(jian)(jian)合(he)(he)(he)(he)過程。當(dang)一個節拍運行完(wan)成后(hou),由機器視覺檢測得到晶片(pian)(pian)下(xia)(xia)一個位(wei)(wei)(wei)置(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)數據,并把(ba)數據傳(chuan)送(song)(song)給晶片(pian)(pian)盤電機,讓電機走完(wan)相應距(ju)離(li)后(hou)使下(xia)(xia)一個晶片(pian)(pian)移動(dong)到對準拾(shi)取晶片(pian)(pian)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)(zhi)(zhi)。 PCB板(ban)(ban)(ban)的(de)(de)(de)點(dian)(dian)(dian)膠(jiao)鍵(jian)(jian)(jian)合(he)(he)(he)(he)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)(zhi)(zhi)也是(shi)同(tong)樣的(de)(de)(de)過程,直到PCB 板(ban)(ban)(ban)上(shang)(shang)所有(you)的(de)(de)(de)點(dian)(dian)(dian)膠(jiao)位(wei)(wei)(wei)置(zhi)(zhi)(zhi)(zhi)(zhi)都鍵(jian)(jian)(jian)合(he)(he)(he)(he)好晶片(pian)(pian),再(zai)由傳(chuan)送(song)(song)機構把(ba)PCB板(ban)(ban)(ban)從工(gong)作(zuo)(zuo)臺移走,并裝(zhuang)上(shang)(shang)新的(de)(de)(de) PCB板(ban)(ban)(ban)開(kai)始新的(de)(de)(de)工(gong)作(zuo)(zuo)循環(huan)。
LED固晶機(ji)系(xi)統結(jie)構(gou)主(zhu)要包(bao)括運(yun)動(dong)控制(zhi)模塊、氣動(dong)部分、機(ji)器視覺部分和由伺服(fu)電機(ji)構(gou)成的運(yun)動(dong)執行(xing)機(ji)構(gou)。
東元伺服(fu)電機(ji)在固晶機(ji)的應用:
固(gu)晶機上總共采用 4套(tao)200W伺(si)服(fu)( JSDA-15A搭(da)配JSMA-SC02ABK )和(he)2套(tao)100W 伺(si)服(fu)(JSMA-15A搭(da)配 JSMA-SC01ABK),分別控制(zhi)X,Y 軸傳動機構以及鍵合臂取晶動作。其中要求最(zui)高的為(wei)控制(zhi)鍵合臂的100W伺(si)服(fu)。
伺服電機動作(zuo)要求:
100W伺服電機(ji)通過同步帶(dai)帶(dai)動(dong)連桿(gan)快(kuai)速(su)正反(fan)轉實(shi)現(xian)裝(zhuang)有吸(xi)(xi)晶(jing)咀的(de)(de)鍵合臂做逆時針和順時針方向位(wei)移,逆時針到位(wei)后(hou)吸(xi)(xi)晶(jing)咀吸(xi)(xi)取晶(jing)元然后(hou)順時針固定(ding)晶(jing)圓。此(ci)動(dong)作要(yao)求(qiu): 1.快(kuai)速(su)定(ding)位(wei)時,馬達要(yao)平穩,不能抖動(dong),否(fou)則吸(xi)(xi)晶(jing)和固晶(jing)的(de)(de)位(wei)置會(hui)不準(zhun)確;2. 客戶要(yao)求(qiu)每個動(dong)作周期(qi)盡量的(de)(de)快(kuai),由此(ci)對伺服的(de)(de)響應(ying)有較高(gao)要(yao)求(qiu)。
通過伺服增益參數的調整,最終(zhong)可(ke)以實現鍵合臂伺服在3msec 內完成(cheng)整定,整個固晶周期(qi)為245msec/顆(ke),獲得客戶(hu)的認可(ke)。
固(gu)晶(jing)機(ji)作為一(yi)個新興(xing)行(xing)業(ye)應用的代表,有著較高(gao)的技(ji)術門檻。東(dong)元伺(si)(si)服(fu)在固(gu)晶(jing)機(ji)的成(cheng)功應用,則充分彰顯(xian)了東(dong)元伺(si)(si)服(fu)的優良性(xing)能。
伺服電機(ji)目前已(yi)經(jing)在上千(qian)種自(zi)動(dong)化設備上有應用案例,華(hua)科星(xing)電氣免費提供伺服電機(ji)選型與產品技術支持;主營伺服電機(ji)、行(xing)星(xing)減速機(ji)、步進(jin)電機(ji)、PLC等各類自(zi)動(dong)化產品,歡迎來電咨詢(xun)13602631692微信同號
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