五金加工就是將原材料(不銹(xiu)鋼、銅(tong)料、鋁料、鐵料)，用車床、銑床、鉆床、磨床、拋(pao)光等(deng)機(ji)械(xie)按客戶的圖紙或樣品加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)成為(wei)各種(zhong)零件，如：螺絲 、馬達(da)軸、模(mo)型車零件、移動電源(yuan)外殼等(deng)。五金(jin)(jin)表(biao)面(mian)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)細分(fen)(fen)可(ke)分(fen)(fen)為(wei)：五金(jin)(jin)噴漆(qi)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)、電鍍、表(biao)面(mian)拋(pao)光加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)、五金(jin)(jin)腐(fu)蝕加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)等(deng)等(deng)。拋(pao)光：原理是指通過有規則溶解達(da)到光亮(liang)平滑；方法(fa)：利(li)用機(ji)械(xie)、化學或電化學的作用，使工(gong)(gong)(gong)(gong)(gong)件表(biao)面(mian)粗糙度(du)降低，得以(yi)是五金(jin)(jin)加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)獲(huo)得光亮(liang)、平整(zheng)表(biao)面(mian)的加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)方法(fa)。是利(li)用拋(pao) 光工(gong)(gong)(gong)(gong)(gong)具和(he)磨料顆粒或其他拋(pao)光介質(zhi)對工(gong)(gong)(gong)(gong)(gong)件表(biao)面(mian)進行的修飾加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)。

五金(jin)加(jia)工(gong)的(de)氧(yang)化(hua)分為鋁(lv)(lv)硬質氧(yang)化(hua)、壓鑄鋁(lv)(lv)氧(yang)化(hua)、彩色氧(yang)化(hua)、鋁(lv)(lv)陽極(ji)氧(yang)化(hua)、本(ben)色氧(yang)化(hua)等。鈍(dun)化(hua)：原理可以用(yong)薄膜理論來解(jie)釋，鈍(dun)化(hua)是由于金(jin)屬與氧(yang)化(hua)性物質作(zuo)用(yong)，作(zuo)用(yong)時在金(jin)屬表面(mian)生成 一(yi)種非常薄的(de)、致(zhi)密的(de)、覆蓋性能(neng)良好的(de)、牢固地吸附在金(jin)屬 表面(mian)上的(de)鈍(dun)化(hua)膜。與傳統的(de)物理封閉法相(xiang)比，鈍(dun)化(hua)處理后(hou)具有(you)絕-對不(bu)增加(jia)工(gong)件厚度(du)和改變顏色的(de)特(te)點、提高了產(chan)品的(de)精密度(du)和附加(jia)值，使操作(zuo)更方便。

背(bei)膠(jiao)：背(bei)膠(jiao)是郵票(piao)的(de)(de)(de)重(zhong)要特(te)征之一。機加(jia)(jia)工(gong)(gong)：車削(xue)加(jia)(jia)工(gong)(gong)、刨削(xue)加(jia)(jia)工(gong)(gong)、銑(xian)削(xue)加(jia)(jia)工(gong)(gong)、磨削(xue)加(jia)(jia)工(gong)(gong)，滾牙(ya)：牙(ya)使(shi)用(yong)兩個帶有(you)螺紋的(de)(de)(de)棍子來擠壓被加(jia)(jia)工(gong)(gong)的(de)(de)(de)工(gong)(gong)件(jian)，使(shi)零件(jian)表面被壓出螺紋。攻(gong)牙(ya)：攻(gong)牙(ya)就是板牙(ya)，是用(yong)來加(jia)(jia)工(gong)(gong)或修(xiu)理外螺紋的(de)(de)(de)，它的(de)(de)(de)內部是有(you)螺紋的(de)(de)(de)，可手工(gong)(gong)加(jia)(jia)工(gong)(gong)也可以用(yong)在套絲機上。電鍍(du)：電鍍(du)分為掛鍍(du)、滾鍍(du)、連續鍍(du)和刷(shua)鍍(du)等(deng)方式，主要與(yu)待鍍(du)件(jian)的(de)(de)(de)尺寸和批量有(you)關。

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