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。加(jia)工(gong)(gong)中心是高度機電(dian)一體化(hua)的產品,工(gong)(gong)件(jian)裝夾后,數(shu)控系統能控制機床按不同工(gong)(gong)序自動(dong)選擇、更換(huan)刀具(ju)(ju)、自動(dong)對(dui)刀、自動(dong)改變主軸轉速、進給量等(deng),可(ke)連續完成鉆、鏜、銑、鉸、攻絲(si)等(deng)多種工(gong)(gong)序,因(yin)而(er)大大減少了(le)工(gong)(gong)件(jian)裝夾時(shi)間、測量和機床調整等(deng)輔助工(gong)(gong)序時(shi)間,對(dui)加(jia)工(gong)(gong)形狀比較復(fu)雜,精度要求較高,品種更換(huan)頻繁的零件(jian)具(ju)(ju)有良(liang)好(hao)的經濟效果(guo)。
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(yi)步發揮(hui)這些優點,數(shu)(shu)控機床遂向“工(gong)序(xu)集中”,即一(yi)臺數(shu)(shu)控機床在(zai)一(yi)次裝夾(jia)零件后(hou)能完成多工(gong)序(xu)加工(gong)的數(shu)(shu)控機床(即加工(gong)中心)方面發展。
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(xu)和相關生(sheng)(sheng)產(chan)(chan)(chan)信息(xi)可(ke)保(bao)留下來,下次(ci)產(chan)(chan)(chan)品再生(sheng)(sheng)產(chan)(chan)(chan)時(shi)(shi),只(zhi)要很(hen)少的(de)準備(bei)時(shi)(shi)間就可(ke)以(yi)開(kai)始生(sheng)(sheng)產(chan)(chan)(chan)。CNC加(jia)工(gong)中心工(gong)時(shi)(shi)包括(kuo)準備(bei)工(gong)時(shi)(shi)和加(jia)工(gong)工(gong)時(shi)(shi),CNC加(jia)工(gong)中心把(ba)很(hen)長的(de)單件(jian)準備(bei)工(gong)時(shi)(shi)平均分配到每(mei)一個(ge)工(gong)件(jian)上,使(shi)每(mei)次(ci)生(sheng)(sheng)產(chan)(chan)(chan)的(de)平均實際工(gong)時(shi)(shi)減(jian)少,生(sheng)(sheng)產(chan)(chan)(chan)周期大(da)大(da)縮短(duan)。
(2)高(gao)精度工(gong)(gong)(gong)件(jian):有(you)(you)些工(gong)(gong)(gong)件(jian)需求甚少,但屬關鍵部件(jian),要(yao)求精度高(gao)且工(gong)(gong)(gong)期(qi)短,用傳統工(gong)(gong)(gong)藝(yi)需用多臺機床協調工(gong)(gong)(gong)作(zuo),其周(zhou)期(qi)長、效率(lv)低,在長工(gong)(gong)(gong)序流(liu)程(cheng)中(zhong),受人(ren)為(wei)影響容(rong)易出廢品,從(cong)而造成重大經濟損失。而采用CNC加工(gong)(gong)(gong)中(zhong)心進行加工(gong)(gong)(gong),生產完全由程(cheng)序自動控(kong)制.避免了(le)長工(gong)(gong)(gong)序流(liu)程(cheng),減少了(le)硬(ying)件(jian)投資及(ji)人(ren)為(wei)干擾,具有(you)(you)生產效益(yi)高(gao)及(ji)質量(liang)穩定的(de)特點(dian)。
(3)批量(liang)生(sheng)(sheng)(sheng)(sheng)(sheng)產(chan)(chan)的工(gong)件:CNC加(jia)(jia)(jia)工(gong)中(zhong)(zhong)心(xin)(xin)生(sheng)(sheng)(sheng)(sheng)(sheng)產(chan)(chan)的柔性(xing)不僅體(ti)現在對特(te)殊要求的快(kuai)速反(fan)應(ying)上(shang),而且可(ke)以快(kuai)速實現批量(liang)生(sheng)(sheng)(sheng)(sheng)(sheng)產(chan)(chan),以提高(gao)市場競爭能力。CNC加(jia)(jia)(jia)工(gong)中(zhong)(zhong)心(xin)(xin)適合于中(zhong)(zhong)小批量(liang)生(sheng)(sheng)(sheng)(sheng)(sheng)產(chan)(chan),特(te)別是小批量(liang)生(sheng)(sheng)(sheng)(sheng)(sheng)產(chan)(chan),在應(ying)用CNC加(jia)(jia)(jia)工(gong)中(zhong)(zhong)心(xin)(xin)時。盡量(liang)使批量(liang)大于經濟(ji)批量(liang),以達到良好的經濟(ji)效果。隨著CNC加(jia)(jia)(jia)工(gong)中(zhong)(zhong)心(xin)(xin)的不斷發展,經濟(ji)批量(liang)越(yue)來越(yue)小,對一些復(fu)雜工(gong)件,5-10件就可(ke)以生(sheng)(sheng)(sheng)(sheng)(sheng)產(chan)(chan),甚至單件生(sheng)(sheng)(sheng)(sheng)(sheng)產(chan)(chan)時也(ye)可(ke)以考慮用CNC加(jia)(jia)(jia)工(gong)中(zhong)(zhong)心(xin)(xin)。
QQ: | 380598058 |
傳真: | 0760-22218638 |
電話: | 18948856139(微信同(tong)號) (朱經理(li)) |
郵箱: | julie.cnc688@gmail.com |
地址: | 中山市小欖鎮工業大道中10號(A幢) |