五金加工就是(shi)(shi)將原材料(liao)(不銹鋼(gang)、銅料(liao)、鋁(lv)料(liao)、鐵料(liao))，用車床、銑床、鉆床、磨(mo)床、拋光(guang)等機(ji)械(xie)(xie)按客戶(hu)的圖紙或樣品加工(gong)(gong)成為各種(zhong)零件(jian)，如：螺絲 、馬達軸、模型(xing)車零件(jian)、移動電源(yuan)外殼等。五(wu)(wu)金表(biao)面(mian)(mian)加工(gong)(gong)細(xi)分可(ke)分為：五(wu)(wu)金噴(pen)漆加工(gong)(gong)、電鍍、表(biao)面(mian)(mian)拋光(guang)加工(gong)(gong)、五(wu)(wu)金腐蝕加工(gong)(gong)等等。拋光(guang)：原理是(shi)(shi)指(zhi)通過有規則(ze)溶解達到(dao)光(guang)亮平滑(hua)；方(fang)法：利(li)(li)用機(ji)械(xie)(xie)、化(hua)學(xue)或電化(hua)學(xue)的作用，使工(gong)(gong)件(jian)表(biao)面(mian)(mian)粗糙度降低，得以是(shi)(shi)五(wu)(wu)金加工(gong)(gong)獲(huo)得光(guang)亮、平整(zheng)表(biao)面(mian)(mian)的加工(gong)(gong)方(fang)法。是(shi)(shi)利(li)(li)用拋 光(guang)工(gong)(gong)具(ju)和磨(mo)料(liao)顆(ke)粒或其他拋光(guang)介質對工(gong)(gong)件(jian)表(biao)面(mian)(mian)進行(xing)的修飾加工(gong)(gong)。

五金加(jia)(jia)工(gong)的(de)氧(yang)(yang)(yang)化(hua)(hua)分為鋁硬質(zhi)氧(yang)(yang)(yang)化(hua)(hua)、壓鑄鋁氧(yang)(yang)(yang)化(hua)(hua)、彩色(se)氧(yang)(yang)(yang)化(hua)(hua)、鋁陽極氧(yang)(yang)(yang)化(hua)(hua)、本色(se)氧(yang)(yang)(yang)化(hua)(hua)等(deng)。鈍(dun)化(hua)(hua)：原理(li)可以(yi)用(yong)(yong)薄(bo)膜(mo)理(li)論(lun)來解釋，鈍(dun)化(hua)(hua)是(shi)由于金屬與氧(yang)(yang)(yang)化(hua)(hua)性物(wu)質(zhi)作用(yong)(yong)，作用(yong)(yong)時(shi)在金屬表面生成 一(yi)種非常薄(bo)的(de)、致密的(de)、覆(fu)蓋(gai)性能良(liang)好(hao)的(de)、牢(lao)固地(di)吸(xi)附在金屬 表面上的(de)鈍(dun)化(hua)(hua)膜(mo)。與傳統(tong)的(de)物(wu)理(li)封閉法相比，鈍(dun)化(hua)(hua)處理(li)后具有絕-對不增加(jia)(jia)工(gong)件(jian)厚度和改變顏色(se)的(de)特點、提高了(le)產品(pin)的(de)精密度和附加(jia)(jia)值(zhi)，使操(cao)作更方便(bian)。

背膠(jiao)：背膠(jiao)是郵票的(de)重要特(te)征之一。機加工(gong)(gong)(gong)：車(che)削加工(gong)(gong)(gong)、刨(bao)削加工(gong)(gong)(gong)、銑(xian)削加工(gong)(gong)(gong)、磨削加工(gong)(gong)(gong)，滾牙(ya)：牙(ya)使用兩個(ge)帶有螺紋(wen)的(de)棍子來擠壓被加工(gong)(gong)(gong)的(de)工(gong)(gong)(gong)件(jian)，使零件(jian)表(biao)面(mian)被壓出螺紋(wen)。攻(gong)牙(ya)：攻(gong)牙(ya)就是板牙(ya)，是用來加工(gong)(gong)(gong)或修(xiu)理外螺紋(wen)的(de)，它的(de)內部是有螺紋(wen)的(de)，可手工(gong)(gong)(gong)加工(gong)(gong)(gong)也可以用在套絲機上。電鍍：電鍍分為(wei)掛鍍、滾鍍、連續鍍和刷鍍等方(fang)式，主(zhu)要與(yu)待鍍件(jian)的(de)尺寸和批量有關。

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