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激光打標工藝
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揭秘CCD視覺定位激光打標機

發布時(shi)間:2023-06-12 14:52:36 瀏覽次數(shu):1315

       眾所周知,激光打標技術是激光加工行業較大的應用領域之一。激光打標是利用高能量密度的激光對工件進行局部照射,使表層材料汽化或發生顏色變化的化學反應,從而留下永久性標記的一種打標方法。激光打標可以打出各種文字、符號和圖案等。在現代工業向著高度自動化、智能化發展的今天,隨著產品質量不斷提供提高,生產工藝也隨之更加嚴格,機器視覺技術在各行各業的應用越來越廣泛,同樣在激光行業的各種全自動設備中也能見到它的影子,在一些高科技、高精度行業,單純的機械定位精度已經不能滿足客戶的要求,機器視覺就是用利(li)用機(ji)器代替人眼和(he)大腦,來(lai)做定位、判(pan)斷(duan)、測量和(he)識別。在技術不斷(duan)高速(su)發展(zhan)的當下(xia)努力推陳出新,CCD視覺定位也(ye)就在激光打標(biao)應(ying)用中(zhong)應(ying)運而生。

       CCD機器視覺系(xi)統是相機(ji)、鏡(jing)頭、光(guang)源、圖像(xiang)處(chu)理單元(或(huo)圖像(xiang)捕獲卡)、圖像(xiang)處(chu)理軟件、通(tong)訊 / 輸入輸出(chu)單元等組成(cheng)的(de),CCD視(shi)(shi)覺(jue)定位(wei)(wei)系(xi)統就是用(yong)機(ji)器代替人眼(yan)來做測量(liang)(liang)和(he)判斷。CCD視(shi)(shi)覺(jue)定位(wei)(wei)激光(guang)打(da)標(biao)(biao)(biao)機(ji)可大(da)幅提(ti)高(gao)生(sheng)產的(de)柔性化(hua)和(he)自動(dong)化(hua)程度,基(ji)于傳統打(da)標(biao)(biao)(biao)機(ji)的(de)基(ji)礎,通(tong)過(guo)視(shi)(shi)覺(jue)系(xi)統來輔(fu)助激光(guang)打(da)標(biao)(biao)(biao),可使激光(guang)加(jia)工(gong)(gong)(gong)(gong)(gong)的(de)優勢得到(dao)更全(quan)面的(de)發(fa)揮(hui),解決了(le)(le)打(da)標(biao)(biao)(biao)的(de)精度問題,先對產品(pin)(pin)(pin)(pin)(pin)打(da)光(guang),確保(bao)產品(pin)(pin)(pin)(pin)(pin)外(wai)形(xing)清(qing)晰,然后對產品(pin)(pin)(pin)(pin)(pin)進(jin)行模板制作,并保(bao)存。再(zai)采(cai)用(yong)高(gao)精度CCD相機(ji)對產品(pin)(pin)(pin)(pin)(pin)當前的(de)位(wei)(wei)置(zhi)進(jin)行定位(wei)(wei),并將實(shi)時(shi)采(cai)集到(dao)的(de)一(yi)個(ge)或(huo)多個(ge)產品(pin)(pin)(pin)(pin)(pin)進(jin)行視(shi)(shi)覺(jue)定位(wei)(wei),計算出(chu)工(gong)(gong)(gong)(gong)(gong)件的(de)XY坐(zuo)標(biao)(biao)(biao)及偏轉角度,產品(pin)(pin)(pin)(pin)(pin)位(wei)(wei)置(zhi)信(xin)息通(tong)過(guo)電腦依次傳輸給打(da)標(biao)(biao)(biao)卡,工(gong)(gong)(gong)(gong)(gong)件只要在激光(guang)打(da)標(biao)(biao)(biao)掃描振(zhen)鏡(jing)的(de)加(jia)工(gong)(gong)(gong)(gong)(gong)范圍內,即(ji)可實(shi)現精確打(da)標(biao)(biao)(biao),工(gong)(gong)(gong)(gong)(gong)件可以(yi)(yi)隨意(yi)上(shang)料、即(ji)每次的(de)位(wei)(wei)置(zhi)即(ji)使不(bu)一(yi)樣,加(jia)工(gong)(gong)(gong)(gong)(gong)位(wei)(wei)置(zhi)也準確識(shi)別(bie),精確定位(wei)(wei)、精準打(da)標(biao)(biao)(biao),所(suo)加(jia)工(gong)(gong)(gong)(gong)(gong)的(de)產品(pin)(pin)(pin)(pin)(pin)外(wai)形(xing)可以(yi)(yi)是圓形(xing)、方形(xing)、非(fei)規(gui)則(ze)形(xing)狀(zhuang)都可以(yi)(yi)識(shi)別(bie);這(zhe)種工(gong)(gong)(gong)(gong)(gong)藝具(ju)有高(gao)適應性,特別(bie)適合(he)各行業小產品(pin)(pin)(pin)(pin)(pin)、工(gong)(gong)(gong)(gong)(gong)作量(liang)(liang)大(da)、供料定位(wei)(wei)難、上(shang)下料費時(shi)或(huo)在一(yi)些不(bu)適合(he)于人工(gong)(gong)(gong)(gong)(gong)作業的(de)危險工(gong)(gong)(gong)(gong)(gong)作環(huan)境或(huo)人工(gong)(gong)(gong)(gong)(gong)視(shi)(shi)覺(jue)難以(yi)(yi)滿(man)足要求的(de)場合(he),可免除(chu)定位(wei)(wei)料盤、固定夾具(ju)的(de)加(jia)工(gong)(gong)(gong)(gong)(gong),大(da)大(da)節(jie)省了(le)(le)降(jiang)低(di)成(cheng)本、減少了(le)(le)人工(gong)(gong)(gong)(gong)(gong)參(can)與和(he)激光(guang)打(da)標(biao)(biao)(biao)加(jia)工(gong)(gong)(gong)(gong)(gong)周期,極(ji)大(da)的(de)提(ti)升了(le)(le)生(sheng)產效率(lv)和(he)自動(dong)化(hua)程度,提(ti)高(gao)產品(pin)(pin)(pin)(pin)(pin)品(pin)(pin)(pin)(pin)(pin)質。


CCD視覺定位激光打標機的特點

精準引導激光打標位置。在機器視覺的視(shi)野范圍內(nei),提供全(quan)方位(產品無(wu)序(xu)擺放,角度任意擺放)、任意數量、相機自動識別產品打標,從(cong)而省去人工(gong)校正振(zhen)鏡繁瑣工(gong)序(xu);

相機成像(xiang)視野(ye)大,適用于任(ren)何平面(mian)產(chan)品打標(biao)(biao),可以選擇靜(jing)止或飛行引導激光(guang)打標(biao)(biao),以滿(man)足客戶不同的需(xu)求;

可與光(guang)纖激光(guang)器、CO2激光(guang)器、紫外激光(guang)器等各種波長的激光(guang)光(guang)路(lu)集成(cheng),可通(tong)過導軌控制可實現大幅(fu)面產品(pin)的拼(pin)接打標,適用(yong)于大部分產品(pin);

可針對打標出來的字符(fu)進行(xing)識(shi)(shi)別(OCR)和條(tiao)形碼、二(er)維(wei)碼識(shi)(shi)別識(shi)(shi)別比(bi)對,通(tong)過網口(kou)或(huo)串口(kou)通(tong)信對接MES系統;

CCD視覺定位激光打標機的主要優勢

自(zi)(zi)動化程度高:一鍵自(zi)(zi)動標定,一鍵畸變校正,自(zi)(zi)適應自(zi)(zi)動定位模式(shi),只需(xu)要畫框,即可實現自(zi)(zi)動定位功能,單個(ge)多個(ge)產品打(da)標;

識別精度高:通過機器視覺產品(pin)將被攝取目標(biao)轉換成(cheng)圖像(xiang)信號,傳送給(gei)專(zhuan)用(yong)的圖像(xiang)處理系統(tong),根據像(xiang)素分布和亮度、顏(yan)色等信息,轉變成(cheng)數字(zi)化(hua)信號,對(dui)比發(fa)現不(bu)良品(pin),檢(jian)測精(jing)度可(ke)達微米級;

識(shi)別速(su)度(du)快:每分鐘可(ke)以識(shi)別度(du)幾(ji)百至幾(ji)千個(ge)物件;

誤差率低:不會受到操作者的疲(pi)勞度、責(ze)任心和經驗等因素的影(ying)響,不會因工人心情好壞產生變化,檢測結果更(geng)加準確可靠;

穩定性高:不疲勞、可持續工作,不受主觀因素影答響,檢測質量穩定可靠。

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