加工中心簡稱CNC,是由機械設備與數控系統組成的使用于加工復雜形狀工件的高效率自動化機床。加工中心又被稱電腦鑼。加工中心備有刀庫,具有自動換刀功能,是對工件一次裝夾后進行多工序加工的數控機床(chuang)。加工(gong)(gong)中心(xin)是(shi)高度機(ji)電一(yi)體化的(de)產(chan)品(pin),工(gong)(gong)件(jian)裝夾(jia)后,數控(kong)系(xi)統(tong)能控(kong)制(zhi)機(ji)床(chuang)按不同工(gong)(gong)序(xu)自(zi)動選擇、更(geng)換(huan)刀具(ju)、自(zi)動對(dui)刀、自(zi)動改變主軸轉速、進給量等(deng),可(ke)連續完成(cheng)鉆、鏜、銑、鉸(jiao)、攻絲等(deng)多(duo)種(zhong)工(gong)(gong)序(xu),因(yin)而大大減少了工(gong)(gong)件(jian)裝夾(jia)時間、測量和機(ji)床(chuang)調整等(deng)輔助(zhu)工(gong)(gong)序(xu)時間,對(dui)加工(gong)(gong)形狀(zhuang)比(bi)較(jiao)復雜,精度要求較(jiao)高,品(pin)種(zhong)更(geng)換(huan)頻繁的(de)零件(jian)具(ju)有(you)良(liang)好(hao)的(de)經濟效果。
數控機床實現了中、小批量加工自動化,改善了勞動條件。此外,它還具有生產率高、加工精度穩定、產品成本低等一系列優點。CNC零件加工中心廠家為了進(jin)一步發(fa)揮這些優點,數控機(ji)床(chuang)遂(sui)向“工序(xu)集中”,即一臺數控機(ji)床(chuang)在一次(ci)裝夾(jia)零(ling)件后能完成多工序(xu)加工的數控機(ji)床(chuang)(即加工中心)方面(mian)發(fa)展。
CNC立式加工中心的用途:
(1)期性重復投產的工件:有些產品的市場需求具有周期性和季節性,如果采用專門生產線則得不償失,用普通設備加工效率又太低,且質量不穩定,數量也難以。而采用CNC加工中心,首件(jian)(批)試切完后(hou),程序和(he)相關生產(chan)信息可保留下來,下次產(chan)品再生產(chan)時(shi)(shi)(shi),只(zhi)要(yao)很少的(de)(de)(de)準備(bei)時(shi)(shi)(shi)間就(jiu)可以開始生產(chan)。CNC加工(gong)(gong)(gong)中(zhong)心工(gong)(gong)(gong)時(shi)(shi)(shi)包(bao)括準備(bei)工(gong)(gong)(gong)時(shi)(shi)(shi)和(he)加工(gong)(gong)(gong)工(gong)(gong)(gong)時(shi)(shi)(shi),CNC加工(gong)(gong)(gong)中(zhong)心把很長的(de)(de)(de)單(dan)件(jian)準備(bei)工(gong)(gong)(gong)時(shi)(shi)(shi)平(ping)均分配到(dao)每(mei)一個工(gong)(gong)(gong)件(jian)上,使每(mei)次生產(chan)的(de)(de)(de)平(ping)均實際工(gong)(gong)(gong)時(shi)(shi)(shi)減(jian)少,生產(chan)周(zhou)期大大縮短。
(2)高(gao)精(jing)度工(gong)(gong)件(jian):有些工(gong)(gong)件(jian)需(xu)求甚少,但屬關鍵部件(jian),要求精(jing)度高(gao)且工(gong)(gong)期(qi)短,用傳統工(gong)(gong)藝(yi)需(xu)用多(duo)臺機(ji)床協調工(gong)(gong)作,其周期(qi)長、效(xiao)率低,在長工(gong)(gong)序流(liu)程中,受人(ren)為影響容(rong)易(yi)出廢品,從而造(zao)成重大經濟損失。而采用CNC加(jia)工(gong)(gong)中心(xin)進行(xing)加(jia)工(gong)(gong),生(sheng)產(chan)完全由程序自動控(kong)制.避免了長工(gong)(gong)序流(liu)程,減(jian)少了硬件(jian)投資及人(ren)為干擾,具有生(sheng)產(chan)效(xiao)益(yi)高(gao)及質(zhi)量穩定的特點。
(3)批量(liang)(liang)(liang)(liang)生(sheng)(sheng)(sheng)(sheng)(sheng)產(chan)(chan)的(de)工件(jian):CNC加工中心(xin)(xin)生(sheng)(sheng)(sheng)(sheng)(sheng)產(chan)(chan)的(de)柔性不僅體現在對特殊要求的(de)快速反應上,而且(qie)可(ke)以(yi)快速實現批量(liang)(liang)(liang)(liang)生(sheng)(sheng)(sheng)(sheng)(sheng)產(chan)(chan),以(yi)提高市(shi)場競爭(zheng)能力(li)。CNC加工中心(xin)(xin)適合(he)于(yu)中小批量(liang)(liang)(liang)(liang)生(sheng)(sheng)(sheng)(sheng)(sheng)產(chan)(chan),特別是(shi)小批量(liang)(liang)(liang)(liang)生(sheng)(sheng)(sheng)(sheng)(sheng)產(chan)(chan),在應用CNC加工中心(xin)(xin)時(shi)。盡量(liang)(liang)(liang)(liang)使(shi)批量(liang)(liang)(liang)(liang)大于(yu)經濟批量(liang)(liang)(liang)(liang),以(yi)達到良好(hao)的(de)經濟效果。隨著CNC加工中心(xin)(xin)的(de)不斷發展,經濟批量(liang)(liang)(liang)(liang)越來越小,對一些復雜工件(jian),5-10件(jian)就(jiu)可(ke)以(yi)生(sheng)(sheng)(sheng)(sheng)(sheng)產(chan)(chan),甚(shen)至單件(jian)生(sheng)(sheng)(sheng)(sheng)(sheng)產(chan)(chan)時(shi)也可(ke)以(yi)考慮用CNC加工中心(xin)(xin)。
QQ: | 380598058 |
傳真: | 0760-22218638 |
電話: | 18948856139(微信同號) (朱經(jing)理) |
郵箱: | julie.cnc688@gmail.com |
地址: | 中山市小欖鎮工業大道中10號(A幢) |