零(ling)部(bu)件(jian)(jian)線(xian)(xian)切(qie)(qie)(qie)(qie)割(ge)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)是(shi)一(yi)(yi)種(zhong)基于(yu)先進技術的(de)(de)(de)金屬加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)方法,它(ta)通過(guo)(guo)(guo)使用電子束或激光束來切(qie)(qie)(qie)(qie)割(ge)金屬材料(liao),以(yi)制造(zao)各種(zhong)形(xing)(xing)狀和(he)(he)(he)尺寸(cun)的(de)(de)(de)零(ling)部(bu)件(jian)(jian)。這種(zhong)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)方法具(ju)(ju)有許多(duo)優點,如(ru)高(gao)(gao)精(jing)(jing)(jing)度(du)、無(wu)接(jie)觸(chu)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)和(he)(he)(he)無(wu)污染等。首先,零(ling)部(bu)件(jian)(jian)線(xian)(xian)切(qie)(qie)(qie)(qie)割(ge)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)具(ju)(ju)有高(gao)(gao)精(jing)(jing)(jing)度(du)的(de)(de)(de)特(te)點。電子束或激光束具(ju)(ju)有很小的(de)(de)(de)切(qie)(qie)(qie)(qie)割(ge)寬度(du),可(ke)以(yi)實現(xian)非(fei)常精(jing)(jing)(jing)細的(de)(de)(de)切(qie)(qie)(qie)(qie)割(ge)。這使得零(ling)部(bu)件(jian)(jian)線(xian)(xian)切(qie)(qie)(qie)(qie)割(ge)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)可(ke)以(yi)制造(zao)出(chu)精(jing)(jing)(jing)確到(dao)微米(mi)級別的(de)(de)(de)零(ling)部(bu)件(jian)(jian),滿足高(gao)(gao)精(jing)(jing)(jing)度(du)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)的(de)(de)(de)需求(qiu)。此外,由(you)于(yu)切(qie)(qie)(qie)(qie)割(ge)過(guo)(guo)(guo)程是(shi)由(you)計算機(ji)控制的(de)(de)(de),因此可(ke)以(yi)實現(xian)高(gao)(gao)度(du)精(jing)(jing)(jing)確的(de)(de)(de)切(qie)(qie)(qie)(qie)割(ge)路徑,確保(bao)每個零(ling)部(bu)件(jian)(jian)的(de)(de)(de)尺寸(cun)和(he)(he)(he)形(xing)(xing)狀都(dou)符(fu)合設計要求(qiu)。其次(ci),零(ling)部(bu)件(jian)(jian)線(xian)(xian)切(qie)(qie)(qie)(qie)割(ge)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)是(shi)一(yi)(yi)種(zhong)無(wu)接(jie)觸(chu)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)方法。電子束或激光束在切(qie)(qie)(qie)(qie)割(ge)過(guo)(guo)(guo)程中不會直接(jie)接(jie)觸(chu)金屬材料(liao),而是(shi)通過(guo)(guo)(guo)熱能將金屬材料(liao)切(qie)(qie)(qie)(qie)割(ge)。這種(zhong)無(wu)接(jie)觸(chu)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)方法可(ke)以(yi)避免切(qie)(qie)(qie)(qie)割(ge)工(gong)(gong)(gong)(gong)(gong)(gong)具(ju)(ju)與金屬材料(liao)之間的(de)(de)(de)摩擦和(he)(he)(he)磨損(sun),減少了切(qie)(qie)(qie)(qie)割(ge)工(gong)(gong)(gong)(gong)(gong)(gong)具(ju)(ju)的(de)(de)(de)磨損(sun)和(he)(he)(he)維(wei)護成本。通過(guo)(guo)(guo)采用不同的(de)(de)(de)細線(xian)(xian)和(he)(he)(he)電火(huo)花參數,線(xian)(xian)切(qie)(qie)(qie)(qie)割(ge)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)可(ke)以(yi)實現(xian)不同材質(zhi)和(he)(he)(he)厚(hou)度(du)的(de)(de)(de)金屬切(qie)(qie)(qie)(qie)割(ge)和(he)(he)(he)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)。深圳鋁件(jian)(jian)線(xian)(xian)切(qie)(qie)(qie)(qie)割(ge)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)(gong)定(ding)制廠家(jia)
線(xian)切(qie)(qie)(qie)割(ge)(ge)(ge)加(jia)工(gong)工(gong)藝流程:1. 準(zhun)備工(gong)作:選擇(ze)適用的(de)(de)線(xian)切(qie)(qie)(qie)割(ge)(ge)(ge)機(ji)、切(qie)(qie)(qie)割(ge)(ge)(ge)線(xian)以及工(gong)作夾具(ju)。根(gen)據(ju)實際(ji)需求選擇(ze)不同粗(cu)細的(de)(de)切(qie)(qie)(qie)割(ge)(ge)(ge)線(xian),并(bing)根(gen)據(ju)待加(jia)工(gong)工(gong)件的(de)(de)材料和(he)(he)形狀選擇(ze)合適的(de)(de)工(gong)作夾具(ju)。2. 繪制(zhi)(zhi)切(qie)(qie)(qie)割(ge)(ge)(ge)路徑:在線(xian)切(qie)(qie)(qie)割(ge)(ge)(ge)加(jia)工(gong)之前,需要根(gen)據(ju)工(gong)件的(de)(de)要求,使用專業的(de)(de)CAD軟件繪制(zhi)(zhi)出(chu)切(qie)(qie)(qie)割(ge)(ge)(ge)路徑。3. 校(xiao)核穿絲孔(kong)劃線(xian)位(wei)置(zhi):根(gen)據(ju)繪制(zhi)(zhi)的(de)(de)切(qie)(qie)(qie)割(ge)(ge)(ge)路徑,校(xiao)核穿絲孔(kong)劃線(xian)位(wei)置(zhi)是(shi)否正確。4. 打樣沖(chong)眼:沖(chong)眼目的(de)(de)鉆(zhan)(zhan)孔(kong)下鉆(zhan)(zhan)定位(wei)要求:沖(chong)點清楚,大小適當。5. 加(jia)工(gong)穿絲孔(kong):采用直徑為6的(de)(de)鉆(zhan)(zhan)頭鉆(zhan)(zhan)孔(kong)。6. 開(kai)機(ji):開(kai)啟控制(zhi)(zhi)柜開(kai)關(guan)和(he)(he)機(ji)床總控開(kai)關(guan)。7. 纏絲:將電(dian)極絲從絲盤繞到快走絲線(xian)切(qie)(qie)(qie)割(ge)(ge)(ge)機(ji)床儲絲筒上的(de)(de)過程。遼寧(ning)模具(ju)線(xian)切(qie)(qie)(qie)割(ge)(ge)(ge)加(jia)工(gong)費用在金屬加(jia)工(gong)中,線(xian)切(qie)(qie)(qie)割(ge)(ge)(ge)被普遍應(ying)用于各種不同的(de)(de)應(ying)用場(chang)景,包括切(qie)(qie)(qie)割(ge)(ge)(ge)、打標和(he)(he)雕刻。
快(kuai)(kuai)走(zou)(zou)(zou)絲(si)線(xian)切(qie)(qie)割(ge)(ge)加(jia)(jia)工(gong)(gong)(gong)(gong)是(shi)一種利用電(dian)火花放(fang)電(dian)原理進(jin)行(xing)金屬切(qie)(qie)割(ge)(ge)的(de)(de)加(jia)(jia)工(gong)(gong)(gong)(gong)方(fang)(fang)(fang)法(fa)。其(qi)(qi)原理是(shi)利用電(dian)極和(he)(he)(he)工(gong)(gong)(gong)(gong)件之間的(de)(de)間隙(xi),通過高(gao)頻脈(mo)沖(chong)放(fang)電(dian)在電(dian)極和(he)(he)(he)工(gong)(gong)(gong)(gong)件之間形(xing)(xing)成放(fang)電(dian)通道,然后將電(dian)極向(xiang)下移動一定距(ju)離后再(zai)次(ci)(ci)放(fang)電(dian),如(ru)此反復(fu)多次(ci)(ci),再(zai)將工(gong)(gong)(gong)(gong)件分割(ge)(ge)成所(suo)需(xu)形(xing)(xing)狀(zhuang)。相比于傳統(tong)(tong)機(ji)械(xie)加(jia)(jia)工(gong)(gong)(gong)(gong)方(fang)(fang)(fang)法(fa),快(kuai)(kuai)走(zou)(zou)(zou)絲(si)線(xian)切(qie)(qie)割(ge)(ge)加(jia)(jia)工(gong)(gong)(gong)(gong)具(ju)有(you)以(yi)下優點:首先,快(kuai)(kuai)走(zou)(zou)(zou)絲(si)線(xian)切(qie)(qie)割(ge)(ge)加(jia)(jia)工(gong)(gong)(gong)(gong)可以(yi)加(jia)(jia)工(gong)(gong)(gong)(gong)非常(chang)復(fu)雜的(de)(de)工(gong)(gong)(gong)(gong)件形(xing)(xing)狀(zhuang),甚至可以(yi)切(qie)(qie)割(ge)(ge)微小(xiao)的(de)(de)孔洞(dong),而傳統(tong)(tong)機(ji)械(xie)加(jia)(jia)工(gong)(gong)(gong)(gong)方(fang)(fang)(fang)法(fa)往往難以(yi)完(wan)成這樣的(de)(de)加(jia)(jia)工(gong)(gong)(gong)(gong)任(ren)務(wu)。其(qi)(qi)次(ci)(ci),快(kuai)(kuai)走(zou)(zou)(zou)絲(si)線(xian)切(qie)(qie)割(ge)(ge)加(jia)(jia)工(gong)(gong)(gong)(gong)的(de)(de)切(qie)(qie)割(ge)(ge)精(jing)度高(gao),可以(yi)達(da)到亞微米(mi)級別,因(yin)此在一些需(xu)要高(gao)精(jing)度加(jia)(jia)工(gong)(gong)(gong)(gong)的(de)(de)行(xing)業,如(ru)航(hang)空航(hang)天、醫療器(qi)械(xie)等領(ling)域得到了(le)普(pu)遍應用。第三,快(kuai)(kuai)走(zou)(zou)(zou)絲(si)線(xian)切(qie)(qie)割(ge)(ge)加(jia)(jia)工(gong)(gong)(gong)(gong)不會對(dui)工(gong)(gong)(gong)(gong)件產生機(ji)械(xie)應力和(he)(he)(he)熱變形(xing)(xing),因(yin)此可以(yi)保(bao)持工(gong)(gong)(gong)(gong)件原有(you)的(de)(de)尺寸(cun)和(he)(he)(he)形(xing)(xing)狀(zhuang),避免(mian)了(le)因(yin)加(jia)(jia)工(gong)(gong)(gong)(gong)而產生的(de)(de)形(xing)(xing)變和(he)(he)(he)損傷。第四,快(kuai)(kuai)走(zou)(zou)(zou)絲(si)線(xian)切(qie)(qie)割(ge)(ge)加(jia)(jia)工(gong)(gong)(gong)(gong)不需(xu)要使(shi)用刀(dao)具(ju),因(yin)此可以(yi)省去刀(dao)具(ju)的(de)(de)購買、保(bao)養(yang)等費用,同時(shi)也避免(mian)了(le)刀(dao)具(ju)磨損和(he)(he)(he)更換的(de)(de)問題。
電火花(hua)(hua)(hua)加(jia)(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)藝流(liu)程步驟(zou):1. 加(jia)(jia)工(gong)(gong)(gong)前(qian)準備:確(que)定加(jia)(jia)工(gong)(gong)(gong)零(ling)(ling)(ling)件(jian)(jian)的(de)形(xing)狀、尺(chi)寸(cun)(cun)和材(cai)料(liao),選(xuan)(xuan)擇合(he)適(shi)的(de)加(jia)(jia)工(gong)(gong)(gong)設(she)(she)備和電極(ji),并(bing)對(dui)電極(ji)進行(xing)加(jia)(jia)工(gong)(gong)(gong)前(qian)的(de)處(chu)理(li),如打(da)磨、拋光等(deng)。2. 定位(wei)和夾緊:將(jiang)(jiang)零(ling)(ling)(ling)件(jian)(jian)放(fang)置于加(jia)(jia)工(gong)(gong)(gong)設(she)(she)備上(shang),并(bing)通(tong)過夾具將(jiang)(jiang)其固定在(zai)加(jia)(jia)工(gong)(gong)(gong)臺上(shang),以(yi)確(que)保零(ling)(ling)(ling)件(jian)(jian)在(zai)加(jia)(jia)工(gong)(gong)(gong)過程中不會(hui)移動或(huo)變形(xing)。3. 加(jia)(jia)工(gong)(gong)(gong)參數設(she)(she)置:根據(ju)零(ling)(ling)(ling)件(jian)(jian)的(de)形(xing)狀、尺(chi)寸(cun)(cun)和材(cai)料(liao)等(deng)因素(su),選(xuan)(xuan)擇適(shi)當(dang)的(de)加(jia)(jia)工(gong)(gong)(gong)參數,如脈(mo)沖電壓、脈(mo)沖電流(liu)、放(fang)電頻率、電極(ji)進給速度(du)(du)等(deng)。4. 加(jia)(jia)工(gong)(gong)(gong)過程:啟動電火花(hua)(hua)(hua)加(jia)(jia)工(gong)(gong)(gong)設(she)(she)備,通(tong)過電極(ji)向零(ling)(ling)(ling)件(jian)(jian)表面(mian)釋(shi)放(fang)脈(mo)沖放(fang)電,利用電火花(hua)(hua)(hua)腐蝕和去(qu)除工(gong)(gong)(gong)件(jian)(jian)表面(mian)材(cai)料(liao),形(xing)成(cheng)所需(xu)的(de)形(xing)狀和尺(chi)寸(cun)(cun)。5. 加(jia)(jia)工(gong)(gong)(gong)后處(chu)理(li):完成(cheng)加(jia)(jia)工(gong)(gong)(gong)后,需(xu)要(yao)對(dui)零(ling)(ling)(ling)件(jian)(jian)進行(xing)清洗(xi)、檢驗(yan)和加(jia)(jia)工(gong)(gong)(gong)痕跡去(qu)除等(deng)后處(chu)理(li)工(gong)(gong)(gong)作(zuo),以(yi)保證(zheng)零(ling)(ling)(ling)件(jian)(jian)的(de)質量(liang)和精(jing)度(du)(du)。6. 質量(liang)檢驗(yan):對(dui)加(jia)(jia)工(gong)(gong)(gong)完成(cheng)的(de)零(ling)(ling)(ling)件(jian)(jian)進行(xing)質量(liang)檢驗(yan),包括尺(chi)寸(cun)(cun)精(jing)度(du)(du)、表面(mian)粗糙度(du)(du)、材(cai)料(liao)成(cheng)分等(deng)方面(mian)的(de)檢測(ce),確(que)保零(ling)(ling)(ling)件(jian)(jian)符合(he)設(she)(she)計要(yao)求和標準。線切割(ge)(ge)加(jia)(jia)工(gong)(gong)(gong)是一種常用的(de)金(jin)屬加(jia)(jia)工(gong)(gong)(gong)方法(fa),通(tong)過高速電火花(hua)(hua)(hua)放(fang)電切割(ge)(ge)金(jin)屬材(cai)料(liao)。
線(xian)(xian)(xian)切(qie)(qie)割(ge)(ge)(ge)加(jia)(jia)(jia)(jia)工(gong)(gong)的(de)(de)(de)優點有(you):1. 精度高(gao):線(xian)(xian)(xian)切(qie)(qie)割(ge)(ge)(ge)加(jia)(jia)(jia)(jia)工(gong)(gong)能(neng)夠實(shi)現(xian)很(hen)高(gao)的(de)(de)(de)加(jia)(jia)(jia)(jia)工(gong)(gong)精度,尤(you)其是(shi)對(dui)(dui)于(yu)復雜(za)形狀和微小尺寸(cun)的(de)(de)(de)零件(jian)(jian),具有(you)明顯的(de)(de)(de)優勢。2. 質量(liang)好:由于(yu)線(xian)(xian)(xian)切(qie)(qie)割(ge)(ge)(ge)加(jia)(jia)(jia)(jia)工(gong)(gong)是(shi)非(fei)接(jie)(jie)觸式加(jia)(jia)(jia)(jia)工(gong)(gong),因此不(bu)(bu)會對(dui)(dui)零件(jian)(jian)產生(sheng)力(li),避免(mian)了(le)零件(jian)(jian)變形。同時,加(jia)(jia)(jia)(jia)工(gong)(gong)表(biao)(biao)面(mian)光(guang)潔度高(gao),毛刺少,表(biao)(biao)面(mian)質量(liang)好。3. 材料范圍廣:線(xian)(xian)(xian)切(qie)(qie)割(ge)(ge)(ge)加(jia)(jia)(jia)(jia)工(gong)(gong)適用(yong)于(yu)各種硬度的(de)(de)(de)材料,包括(kuo)硬質合金、陶瓷(ci)、金屬(shu)等(deng),具有(you)很(hen)強的(de)(de)(de)適應(ying)性。4. 切(qie)(qie)割(ge)(ge)(ge)厚度大:線(xian)(xian)(xian)切(qie)(qie)割(ge)(ge)(ge)加(jia)(jia)(jia)(jia)工(gong)(gong)可以加(jia)(jia)(jia)(jia)工(gong)(gong)較(jiao)大厚度的(de)(de)(de)工(gong)(gong)件(jian)(jian),且(qie)不(bu)(bu)受材料硬度的(de)(de)(de)影響。5. 對(dui)(dui)工(gong)(gong)件(jian)(jian)產生(sheng)的(de)(de)(de)熱(re)影響小:由于(yu)線(xian)(xian)(xian)切(qie)(qie)割(ge)(ge)(ge)加(jia)(jia)(jia)(jia)工(gong)(gong)過程中產生(sheng)的(de)(de)(de)熱(re)量(liang)主要集(ji)中在(zai)切(qie)(qie)割(ge)(ge)(ge)縫內(nei),對(dui)(dui)工(gong)(gong)件(jian)(jian)的(de)(de)(de)熱(re)影響較(jiao)小,有(you)利(li)于(yu)保持(chi)工(gong)(gong)件(jian)(jian)的(de)(de)(de)尺寸(cun)穩定性。6. 無刀具磨損(sun):由于(yu)線(xian)(xian)(xian)切(qie)(qie)割(ge)(ge)(ge)加(jia)(jia)(jia)(jia)工(gong)(gong)為非(fei)接(jie)(jie)觸式加(jia)(jia)(jia)(jia)工(gong)(gong),電(dian)極(ji)絲不(bu)(bu)直接(jie)(jie)接(jie)(jie)觸工(gong)(gong)件(jian)(jian),因此無刀具磨損(sun),有(you)利(li)于(yu)保持(chi)加(jia)(jia)(jia)(jia)工(gong)(gong)精度。7. 適合加(jia)(jia)(jia)(jia)工(gong)(gong)復雜(za)數控曲線(xian)(xian)(xian):線(xian)(xian)(xian)切(qie)(qie)割(ge)(ge)(ge)機械加(jia)(jia)(jia)(jia)工(gong)(gong)可以實(shi)現(xian)對(dui)(dui)復雜(za)數控曲線(xian)(xian)(xian)的(de)(de)(de)加(jia)(jia)(jia)(jia)工(gong)(gong),加(jia)(jia)(jia)(jia)工(gong)(gong)形狀靈活(huo)。線(xian)(xian)(xian)切(qie)(qie)割(ge)(ge)(ge)加(jia)(jia)(jia)(jia)工(gong)(gong)在(zai)電(dian)子、航空、汽車、醫療等(deng)領域得到了(le)廣泛的(de)(de)(de)應(ying)用(yong)。深圳鋁件(jian)(jian)線(xian)(xian)(xian)切(qie)(qie)割(ge)(ge)(ge)加(jia)(jia)(jia)(jia)工(gong)(gong)定制廠家
線切(qie)割(ge)加(jia)工技術不斷發展,出(chu)現了(le)(le)高速(su)線切(qie)割(ge)、數控線切(qie)割(ge)等新技術,推(tui)動了(le)(le)加(jia)工技術的不斷進步(bu)。深圳鋁(lv)件線切(qie)割(ge)加(jia)工定制廠家
線(xian)切(qie)(qie)割(ge)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(Wire EDM)是一種通過放(fang)電腐蝕的(de)(de)方(fang)式進行(xing)金屬材料加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)的(de)(de)方(fang)法。它(ta)使用(yong)一根(gen)細(xi)小(xiao)的(de)(de)金屬線(xian)作(zuo)為(wei)電極,在(zai)與工(gong)(gong)(gong)件(jian)(jian)之間施(shi)加(jia)(jia)(jia)(jia)(jia)電壓的(de)(de)同時以(yi)(yi)(yi)(yi)高(gao)速移動(dong),通過放(fang)電腐蝕的(de)(de)作(zuo)用(yong)將工(gong)(gong)(gong)件(jian)(jian)材料削除,以(yi)(yi)(yi)(yi)達到(dao)所需的(de)(de)形(xing)狀(zhuang)和尺寸。線(xian)切(qie)(qie)割(ge)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)具(ju)有以(yi)(yi)(yi)(yi)下幾個特點和優勢(shi):1. 高(gao)精(jing)(jing)度:線(xian)切(qie)(qie)割(ge)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)可以(yi)(yi)(yi)(yi)實現非常精(jing)(jing)細(xi)的(de)(de)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong),可以(yi)(yi)(yi)(yi)達到(dao)亞毫米級別的(de)(de)精(jing)(jing)度要(yao)求。2. 復雜形(xing)狀(zhuang)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong):線(xian)切(qie)(qie)割(ge)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)可以(yi)(yi)(yi)(yi)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)各(ge)種復雜形(xing)狀(zhuang)的(de)(de)工(gong)(gong)(gong)件(jian)(jian),包括內部(bu)孔、輪(lun)廓等(deng)(deng)。3. 材料適應性廣:線(xian)切(qie)(qie)割(ge)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)適用(yong)于多種金屬材料,包括硬(ying)質(zhi)合(he)金、鋼、鋁等(deng)(deng)。4. 少變形(xing):線(xian)切(qie)(qie)割(ge)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)由于是無接觸(chu)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong),所以(yi)(yi)(yi)(yi)對工(gong)(gong)(gong)件(jian)(jian)的(de)(de)熱影響(xiang)小(xiao),變形(xing)較少。5. 高(gao)效(xiao)(xiao)率(lv):線(xian)切(qie)(qie)割(ge)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)可以(yi)(yi)(yi)(yi)同時進行(xing)多個工(gong)(gong)(gong)件(jian)(jian)的(de)(de)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong),提高(gao)了(le)生產效(xiao)(xiao)率(lv)。深圳鋁件(jian)(jian)線(xian)切(qie)(qie)割(ge)加(jia)(jia)(jia)(jia)(jia)工(gong)(gong)(gong)定制廠家