五金加工就是(shi)(shi)將原材料(liao)(不(bu)銹鋼、銅料(liao)、鋁料(liao)、鐵料(liao))，用(yong)車床(chuang)、銑床(chuang)、鉆床(chuang)、磨(mo)床(chuang)、拋(pao)(pao)光(guang)(guang)等(deng)機(ji)械按客戶的(de)(de)(de)(de)圖紙或樣(yang)品加(jia)(jia)工(gong)(gong)成為各種零件(jian)(jian)，如：螺絲 、馬達(da)軸、模(mo)型車零件(jian)(jian)、移動電(dian)源(yuan)外殼(ke)等(deng)。五金(jin)表(biao)面(mian)(mian)加(jia)(jia)工(gong)(gong)細分(fen)可分(fen)為：五金(jin)噴漆加(jia)(jia)工(gong)(gong)、電(dian)鍍(du)、表(biao)面(mian)(mian)拋(pao)(pao)光(guang)(guang)加(jia)(jia)工(gong)(gong)、五金(jin)腐蝕(shi)加(jia)(jia)工(gong)(gong)等(deng)等(deng)。拋(pao)(pao)光(guang)(guang)：原理是(shi)(shi)指通過有規則溶解(jie)達(da)到光(guang)(guang)亮平(ping)滑；方法：利用(yong)機(ji)械、化學(xue)或電(dian)化學(xue)的(de)(de)(de)(de)作用(yong)，使(shi)工(gong)(gong)件(jian)(jian)表(biao)面(mian)(mian)粗糙度降(jiang)低，得以是(shi)(shi)五金(jin)加(jia)(jia)工(gong)(gong)獲得光(guang)(guang)亮、平(ping)整表(biao)面(mian)(mian)的(de)(de)(de)(de)加(jia)(jia)工(gong)(gong)方法。是(shi)(shi)利用(yong)拋(pao)(pao) 光(guang)(guang)工(gong)(gong)具(ju)和磨(mo)料(liao)顆粒或其(qi)他拋(pao)(pao)光(guang)(guang)介(jie)質對工(gong)(gong)件(jian)(jian)表(biao)面(mian)(mian)進行的(de)(de)(de)(de)修飾加(jia)(jia)工(gong)(gong)。

五金加工(gong)的(de)氧(yang)(yang)化(hua)(hua)(hua)(hua)分為鋁硬質氧(yang)(yang)化(hua)(hua)(hua)(hua)、壓鑄鋁氧(yang)(yang)化(hua)(hua)(hua)(hua)、彩(cai)色氧(yang)(yang)化(hua)(hua)(hua)(hua)、鋁陽極氧(yang)(yang)化(hua)(hua)(hua)(hua)、本色氧(yang)(yang)化(hua)(hua)(hua)(hua)等。鈍(dun)化(hua)(hua)(hua)(hua)：原理可以用薄膜(mo)理論來解釋(shi)，鈍(dun)化(hua)(hua)(hua)(hua)是(shi)由于金屬與(yu)(yu)氧(yang)(yang)化(hua)(hua)(hua)(hua)性物質作(zuo)用，作(zuo)用時在(zai)金屬表(biao)(biao)面生成 一種非常(chang)薄的(de)、致密(mi)的(de)、覆蓋性能(neng)良好的(de)、牢固地吸附(fu)在(zai)金屬 表(biao)(biao)面上的(de)鈍(dun)化(hua)(hua)(hua)(hua)膜(mo)。與(yu)(yu)傳統的(de)物理封閉法相比，鈍(dun)化(hua)(hua)(hua)(hua)處理后具有絕-對不增加工(gong)件厚度和改(gai)變顏色的(de)特(te)點、提高了產品的(de)精密(mi)度和附(fu)加值，使操作(zuo)更方(fang)便。

背膠：背膠是郵票的(de)重要特征之一。機加(jia)工(gong)(gong)：車削(xue)加(jia)工(gong)(gong)、刨(bao)削(xue)加(jia)工(gong)(gong)、銑削(xue)加(jia)工(gong)(gong)、磨削(xue)加(jia)工(gong)(gong)，滾牙：牙使用兩(liang)個帶(dai)有螺(luo)(luo)紋(wen)(wen)的(de)棍子來(lai)擠壓被加(jia)工(gong)(gong)的(de)工(gong)(gong)件(jian)，使零件(jian)表面被壓出螺(luo)(luo)紋(wen)(wen)。攻牙：攻牙就(jiu)是板(ban)牙，是用來(lai)加(jia)工(gong)(gong)或(huo)修理外螺(luo)(luo)紋(wen)(wen)的(de)，它的(de)內部(bu)是有螺(luo)(luo)紋(wen)(wen)的(de)，可手工(gong)(gong)加(jia)工(gong)(gong)也可以(yi)用在套絲機上。電鍍(du)(du)(du)：電鍍(du)(du)(du)分為掛鍍(du)(du)(du)、滾鍍(du)(du)(du)、連續鍍(du)(du)(du)和刷鍍(du)(du)(du)等方式，主要與待鍍(du)(du)(du)件(jian)的(de)尺寸和批(pi)量有關(guan)。

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