五金加工就(jiu)是將原材料(liao)(不銹鋼、銅料(liao)、鋁料(liao)、鐵(tie)料(liao))，用(yong)車床(chuang)、銑床(chuang)、鉆(zhan)床(chuang)、磨(mo)床(chuang)、拋(pao)光(guang)(guang)等機械按客戶的圖紙或樣品(pin)加(jia)(jia)工(gong)(gong)(gong)成為(wei)(wei)各種零件，如：螺絲 、馬達軸、模型車零件、移(yi)動電(dian)源外(wai)殼等。五(wu)(wu)金表面(mian)加(jia)(jia)工(gong)(gong)(gong)細(xi)分(fen)可(ke)分(fen)為(wei)(wei)：五(wu)(wu)金噴(pen)漆(qi)加(jia)(jia)工(gong)(gong)(gong)、電(dian)鍍、表面(mian)拋(pao)光(guang)(guang)加(jia)(jia)工(gong)(gong)(gong)、五(wu)(wu)金腐蝕加(jia)(jia)工(gong)(gong)(gong)等等。拋(pao)光(guang)(guang)：原理(li)是指通過有(you)規則溶解達到(dao)光(guang)(guang)亮平滑；方(fang)法：利(li)用(yong)機械、化(hua)學或電(dian)化(hua)學的作用(yong)，使工(gong)(gong)(gong)件表面(mian)粗(cu)糙度降低，得以是五(wu)(wu)金加(jia)(jia)工(gong)(gong)(gong)獲得光(guang)(guang)亮、平整表面(mian)的加(jia)(jia)工(gong)(gong)(gong)方(fang)法。是利(li)用(yong)拋(pao) 光(guang)(guang)工(gong)(gong)(gong)具和磨(mo)料(liao)顆粒或其他拋(pao)光(guang)(guang)介質對(dui)工(gong)(gong)(gong)件表面(mian)進行的修飾加(jia)(jia)工(gong)(gong)(gong)。

五金(jin)加(jia)工的(de)(de)(de)(de)氧(yang)化(hua)(hua)分為鋁(lv)硬(ying)質氧(yang)化(hua)(hua)、壓(ya)鑄鋁(lv)氧(yang)化(hua)(hua)、彩色(se)(se)氧(yang)化(hua)(hua)、鋁(lv)陽極(ji)氧(yang)化(hua)(hua)、本色(se)(se)氧(yang)化(hua)(hua)等。鈍化(hua)(hua)：原理可(ke)以用薄(bo)膜(mo)理論來解釋，鈍化(hua)(hua)是由于金(jin)屬(shu)與氧(yang)化(hua)(hua)性物質作(zuo)用，作(zuo)用時在金(jin)屬(shu)表(biao)面生成 一種(zhong)非常薄(bo)的(de)(de)(de)(de)、致密的(de)(de)(de)(de)、覆蓋性能良好的(de)(de)(de)(de)、牢固地吸附(fu)在金(jin)屬(shu) 表(biao)面上的(de)(de)(de)(de)鈍化(hua)(hua)膜(mo)。與傳統(tong)的(de)(de)(de)(de)物理封閉(bi)法(fa)相比(bi)，鈍化(hua)(hua)處(chu)理后具有(you)絕-對(dui)不增加(jia)工件厚度和改變顏色(se)(se)的(de)(de)(de)(de)特點(dian)、提高了產品的(de)(de)(de)(de)精(jing)密度和附(fu)加(jia)值，使操作(zuo)更方便。

背膠(jiao)：背膠(jiao)是郵票的重要特征(zheng)之一。機加(jia)(jia)(jia)工(gong)(gong)(gong)：車(che)削加(jia)(jia)(jia)工(gong)(gong)(gong)、刨削加(jia)(jia)(jia)工(gong)(gong)(gong)、銑削加(jia)(jia)(jia)工(gong)(gong)(gong)、磨(mo)削加(jia)(jia)(jia)工(gong)(gong)(gong)，滾(gun)牙(ya)：牙(ya)使(shi)用(yong)兩(liang)個帶有(you)螺紋(wen)的棍子來擠壓被加(jia)(jia)(jia)工(gong)(gong)(gong)的工(gong)(gong)(gong)件，使(shi)零件表面(mian)被壓出螺紋(wen)。攻(gong)牙(ya)：攻(gong)牙(ya)就是板牙(ya)，是用(yong)來加(jia)(jia)(jia)工(gong)(gong)(gong)或修(xiu)理(li)外螺紋(wen)的，它的內部是有(you)螺紋(wen)的，可手工(gong)(gong)(gong)加(jia)(jia)(jia)工(gong)(gong)(gong)也可以用(yong)在套絲(si)機上。電鍍(du)(du)：電鍍(du)(du)分為掛鍍(du)(du)、滾(gun)鍍(du)(du)、連(lian)續鍍(du)(du)和刷鍍(du)(du)等方式，主要與待(dai)鍍(du)(du)件的尺寸和批(pi)量有(you)關。

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