零件加工一次成形工藝(yi)技術

沈陽機械加工廠為您介紹：

1. 零件結構(gou)

隨著數(shu)控加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)技(ji)術(shu)的廣泛應用，零(ling)件(jian)結構復雜程度不(bu)斷提高(gao)，有(you)(you)些cnc零(ling)件(jian)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)中(zhong)，定位、裝(zhuang)夾(jia)(jia)非常困難(nan)，不(bu)適合多次定位、裝(zhuang)夾(jia)(jia)。整(zheng)體(ti)(ti)機加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)一次成(cheng)形技(ji)術(shu)是(shi)在臥式或立(li)臥轉換加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)機床上(shang)，按(an)角度旋轉、翻(fan)轉工(gong)(gong)(gong)(gong)(gong)作臺，對零(ling)件(jian)所(suo)有(you)(you)面、孔等整(zheng)體(ti)(ti)一次加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)成(cheng)形，滿(man)足所(suo)有(you)(you)形位公差(cha)要求后(hou)(hou)，再分層掏銑零(ling)件(jian)與工(gong)(gong)(gong)(gong)(gong)藝柄相連部(bu)分，使工(gong)(gong)(gong)(gong)(gong)藝柄與工(gong)(gong)(gong)(gong)(gong)件(jian)分離。若(ruo)兩次定位裝(zhuang)夾(jia)(jia)，則定位誤差(cha)較(jiao)大，并且(qie)裝(zhuang)夾(jia)(jia)困難(nan)。采用不(bu)卸零(ling)件(jian)一次加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)成(cheng)形技(ji)術(shu)，精細(xi)零(ling)件(jian)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)后(hou)(hou)形位精度得到了很(hen)好保證。

2. 加工原理

機械加工(gong)(gong)廠充分利(li)用(yong)(yong)數控加工(gong)(gong)多角度(du)加工(gong)(gong)優勢，利(li)用(yong)(yong)硬(ying)質合金銑刀高(gao)速、小(xiao)進給加工(gong)(gong)零(ling)件(jian)變形小(xiao)的特點(dian)，利(li)用(yong)(yong)型材零(ling)件(jian)的外形殘留部分作為定位(wei)、壓緊工(gong)(gong)藝柄，利(li)用(yong)(yong)UG軟(ruan)(ruan)件(jian)自動編(bian)程功能，保證整體(ti)加工(gong)(gong)零(ling)件(jian)一致(zhi)性、各面銜接吻合性好。

4. 實(shi)施效果(guo)

批量(liang)生產中(zhong)零(ling)件(jian)(jian)形位精(jing)度穩定，生產效(xiao)率(lv)大幅(fu)提高。精(jing)細零(ling)件(jian)(jian)整體機加(jia)工(gong)(gong)一次(ci)成形工(gong)(gong)藝技術主要(yao)應用(yong)于定位、裝夾較為困(kun)難的(de)零(ling)件(jian)(jian)加(jia)工(gong)(gong)，可以合并加(jia)工(gong)(gong)工(gong)(gong)序，提高工(gong)(gong)作效(xiao)率(lv)，保(bao)證形位精(jing)度；可用(yong)于對(dui)稱結構零(ling)件(jian)(jian)成對(dui)套裁(cai)加(jia)工(gong)(gong)，減少(shao)裝夾次(ci)數，節約工(gong)(gong)裝制作費用(yong)；適用(yong)于高速(su)小(xiao)(xiao)進給(gei)逐層掃描加(jia)工(gong)(gong)，加(jia)工(gong)(gong)時切削(xue)力(li)小(xiao)(xiao)、切削(xue)熱少(shao)，零(ling)件(jian)(jian)不易產生應力(li)變形。

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