機床(chuang)適(shi)用于(yu)高速銅公加工,石磨加工,精雕等
加工(gong)(gong)中心具有數(shu)控系統(tong)、檢(jian)測裝置(zhi)、驅(qu)動(dong)(dong)(dong)(dong)裝置(zhi)、機床(chuang)傳動(dong)(dong)(dong)(dong)鏈、伺服電動(dong)(dong)(dong)(dong)機五大要素,帶有刀(dao)(dao)庫和自動(dong)(dong)(dong)(dong)換(huan)刀(dao)(dao)裝置(zhi),它將(jiang)數(shu)控銑(xian)床(chuang)、數(shu)控鏜床(chuang)、數(shu)控鉆床(chuang)的功(gong)能組(zu)合在一起,功(gong)能強大,近幾(ji)年又出現了許多車削加工(gong)(gong)中心,幾(ji)乎可完成回轉體零件的所有加工(gong)(gong)工(gong)(gong)序(xu)。
CNC立式加工中心主要有主軸箱,換到裝置(機械手),刀庫,工作臺,其他的和普通機床都有,他的加工自由度要看他是幾軸聯動的哈,不過一般都是兩軸半聯動,可以加工5個自由度,立式加工中心主要(yao)加(jia)工(gong)(gong)平(ping)面,曲(qu)面箱體類零(ling)(ling)件(jian)。還可以用來(lai)加(jia)工(gong)(gong)普(pu)通車床難加(jia)工(gong)(gong)的,精度要(yao)求高的零(ling)(ling)件(jian),也可以加(jia)工(gong)(gong)復(fu)雜的、用數學模型描畫的空(kong)間曲(qu)線和(he)曲(qu)面,這(zhe)主要(yao)、要(yao)看(kan)具(ju)體的加(jia)工(gong)(gong)零(ling)(ling)件(jian)的要(yao)求和(he)加(jia)工(gong)(gong)環境。
CNC立式加工中心(xin)應該(gai)如何選擇:
一、加(jia)工(gong)(gong)(gong)中心主要(yao)規(gui)(gui)格的(de)尺(chi)寸應(ying)與(yu)工(gong)(gong)(gong)件的(de)輪廓尺(chi)寸相適應(ying)。即小的(de)工(gong)(gong)(gong)件應(ying)當選擇小規(gui)(gui)格的(de)機床加(jia)工(gong)(gong)(gong),而大(da)的(de)工(gong)(gong)(gong)件則選擇大(da)規(gui)(gui)格的(de)機床加(jia)工(gong)(gong)(gong),做到設備的(de)合理使用。
二、加工(gong)(gong)中心結構取決于機床規格尺寸(cun)、加工(gong)(gong)工(gong)(gong)件的(de)重(zhong)量等因(yin)素的(de)影響。下表列出(chu)了數控(kong)設備Z常見的(de)重(zhong)要規格和性能指標。
三、加(jia)工(gong)(gong)(gong)中心的(de)工(gong)(gong)(gong)作精(jing)度與工(gong)(gong)(gong)序(xu)要(yao)求的(de)加(jia)工(gong)(gong)(gong)精(jing)度相適(shi)應。根(gen)據(ju)零件的(de)加(jia)工(gong)(gong)(gong)精(jing)度要(yao)求選(xuan)擇(ze)機(ji)床(chuang),如精(jing)度要(yao)求低的(de)粗加(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)序(xu),應選(xuan)擇(ze)精(jing)度低的(de)機(ji)床(chuang),精(jing)度要(yao)求高的(de)精(jing)加(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)序(xu),應選(xuan)用精(jing)度高的(de)機(ji)床(chuang)。
四、機(ji)床(chuang)的(de)(de)功率與剛度以(yi)及機(ji)動(dong)范圍(wei)應(ying)與工(gong)序的(de)(de)性質和(he)Z合(he)適(shi)的(de)(de)切削(xue)用量相適(shi)應(ying)。如粗加工(gong)工(gong)序去除的(de)(de)毛坯余量大,切削(xue)余量選得大,就(jiu)要求機(ji)床(chuang)有大的(de)(de)功率和(he)較好的(de)(de)剛度。
五、裝夾方便、夾具結構簡單也是選擇數控設備是需要考慮的一個因素。選擇采用臥式數控機床,還是(shi)選擇(ze)立(li)式數(shu)(shu)控(kong)機床,將直(zhi)(zhi)接影響(xiang)所選擇(ze)的夾具的結構(gou)和加工坐標系,直(zhi)(zhi)接關(guan)系到數(shu)(shu)控(kong)編程(cheng)的難易程(cheng)度和數(shu)(shu)控(kong)加工的可靠性。
CNC零件加工中心廠(chang)家(jia)談(tan)談(tan)應當注重的(de)(de)是,在選擇(ze)數(shu)控(kong)機床時應充分(fen)利用數(shu)控(kong)設(she)備的(de)(de)功(gong)能,根據(ju)需要(yao)進(jin)行(xing)合理的(de)(de)開發(fa),以擴大數(shu)控(kong)機床的(de)(de)功(gong)能,滿足(zu)產品(pin)的(de)(de)需要(yao)。然(ran)后,根據(ju)所選擇(ze)的(de)(de)數(shu)控(kong)機床,進(jin)一步優(you)化數(shu)控(kong)加工(gong)方案(an)和(he)工(gong)藝(yi)路線,根據(ju)需要(yao)適當調整工(gong)序的(de)(de)內(nei)容。
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