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)中心是高度(du)機(ji)電一體化的(de)產品,工(gong)(gong)件(jian)裝夾后,數控系統能控制(zhi)機(ji)床(chuang)按(an)不同工(gong)(gong)序(xu)自(zi)(zi)動(dong)選擇、更換刀具、自(zi)(zi)動(dong)對刀、自(zi)(zi)動(dong)改變主軸轉速、進(jin)給量(liang)等,可連續完成(cheng)鉆(zhan)、鏜、銑、鉸、攻絲等多(duo)種工(gong)(gong)序(xu),因而大大減少了工(gong)(gong)件(jian)裝夾時間、測量(liang)和機(ji)床(chuang)調整等輔助工(gong)(gong)序(xu)時間,對加工(gong)(gong)形狀比較(jiao)復雜,精度(du)要求較(jiao)高,品種更換頻繁的(de)零件(jian)具有良好(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一步發(fa)(fa)揮這些優點,數控機(ji)床(chuang)(chuang)遂(sui)向“工(gong)序集中(zhong)”,即一臺數控機(ji)床(chuang)(chuang)在一次裝夾零(ling)件(jian)后能完成(cheng)多工(gong)序加工(gong)的(de)數控機(ji)床(chuang)(chuang)(即加工(gong)中(zhong)心)方面發(fa)(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(wan)后,程序(xu)和相關生(sheng)產信息可保留下來,下次產品再生(sheng)產時(shi),只要很少(shao)的準備時(shi)間就可以(yi)開始(shi)生(sheng)產。CNC加工(gong)(gong)中(zhong)心工(gong)(gong)時(shi)包括(kuo)準備工(gong)(gong)時(shi)和加工(gong)(gong)工(gong)(gong)時(shi),CNC加工(gong)(gong)中(zhong)心把很長的單件(jian)準備工(gong)(gong)時(shi)平均分(fen)配到每(mei)一個工(gong)(gong)件(jian)上,使每(mei)次生(sheng)產的平均實際工(gong)(gong)時(shi)減(jian)少(shao),生(sheng)產周(zhou)期(qi)大(da)大(da)縮(suo)短。
(2)高精(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)度高且工(gong)(gong)期短,用(yong)傳統工(gong)(gong)藝需(xu)用(yong)多臺機床協(xie)調工(gong)(gong)作,其周期長(chang)、效率低,在(zai)長(chang)工(gong)(gong)序(xu)流程(cheng)中,受人為影(ying)響容易出廢品,從而造成(cheng)重大經(jing)濟損失。而采用(yong)CNC加(jia)工(gong)(gong)中心(xin)進行加(jia)工(gong)(gong),生產完(wan)全由程(cheng)序(xu)自動控制(zhi).避免了(le)長(chang)工(gong)(gong)序(xu)流程(cheng),減(jian)少了(le)硬件(jian)投(tou)資(zi)及人為干擾,具有生產效益高及質(zhi)量穩定(ding)的特(te)點。
(3)批(pi)(pi)(pi)量(liang)(liang)(liang)(liang)生(sheng)(sheng)產(chan)(chan)的(de)工件(jian)(jian):CNC加(jia)(jia)工中(zhong)(zhong)心(xin)(xin)(xin)生(sheng)(sheng)產(chan)(chan)的(de)柔性不(bu)僅(jin)體現(xian)在對(dui)特(te)殊要(yao)求的(de)快速反應(ying)上(shang),而且可(ke)(ke)(ke)以快速實現(xian)批(pi)(pi)(pi)量(liang)(liang)(liang)(liang)生(sheng)(sheng)產(chan)(chan),以提高(gao)市場競爭(zheng)能力。CNC加(jia)(jia)工中(zhong)(zhong)心(xin)(xin)(xin)適合于(yu)中(zhong)(zhong)小批(pi)(pi)(pi)量(liang)(liang)(liang)(liang)生(sheng)(sheng)產(chan)(chan),特(te)別(bie)是(shi)小批(pi)(pi)(pi)量(liang)(liang)(liang)(liang)生(sheng)(sheng)產(chan)(chan),在應(ying)用CNC加(jia)(jia)工中(zhong)(zhong)心(xin)(xin)(xin)時。盡量(liang)(liang)(liang)(liang)使批(pi)(pi)(pi)量(liang)(liang)(liang)(liang)大于(yu)經(jing)濟批(pi)(pi)(pi)量(liang)(liang)(liang)(liang),以達到良(liang)好的(de)經(jing)濟效果(guo)。隨著CNC加(jia)(jia)工中(zhong)(zhong)心(xin)(xin)(xin)的(de)不(bu)斷發展,經(jing)濟批(pi)(pi)(pi)量(liang)(liang)(liang)(liang)越來(lai)越小,對(dui)一些復雜(za)工件(jian)(jian),5-10件(jian)(jian)就可(ke)(ke)(ke)以生(sheng)(sheng)產(chan)(chan),甚至單件(jian)(jian)生(sheng)(sheng)產(chan)(chan)時也可(ke)(ke)(ke)以考(kao)慮用CNC加(jia)(jia)工中(zhong)(zhong)心(xin)(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) |