五金加工就是(shi)將(jiang)原材料(liao)(不銹鋼、銅料(liao)、鋁料(liao)、鐵料(liao))，用(yong)車(che)床(chuang)(chuang)、銑(xian)床(chuang)(chuang)、鉆(zhan)床(chuang)(chuang)、磨床(chuang)(chuang)、拋(pao)(pao)光(guang)(guang)等(deng)機(ji)械(xie)按客戶的(de)(de)圖(tu)紙或樣(yang)品加(jia)(jia)工(gong)(gong)(gong)(gong)成為各種零(ling)件(jian)，如：螺絲 、馬(ma)達(da)軸、模型車(che)零(ling)件(jian)、移動電(dian)(dian)源外殼等(deng)。五(wu)(wu)金表(biao)面(mian)(mian)加(jia)(jia)工(gong)(gong)(gong)(gong)細(xi)分可分為：五(wu)(wu)金噴漆加(jia)(jia)工(gong)(gong)(gong)(gong)、電(dian)(dian)鍍、表(biao)面(mian)(mian)拋(pao)(pao)光(guang)(guang)加(jia)(jia)工(gong)(gong)(gong)(gong)、五(wu)(wu)金腐蝕加(jia)(jia)工(gong)(gong)(gong)(gong)等(deng)等(deng)。拋(pao)(pao)光(guang)(guang)：原理(li)是(shi)指通過(guo)有規則溶解達(da)到光(guang)(guang)亮平滑(hua)；方(fang)法：利(li)用(yong)機(ji)械(xie)、化(hua)學(xue)或電(dian)(dian)化(hua)學(xue)的(de)(de)作用(yong)，使工(gong)(gong)(gong)(gong)件(jian)表(biao)面(mian)(mian)粗糙度降低(di)，得(de)以是(shi)五(wu)(wu)金加(jia)(jia)工(gong)(gong)(gong)(gong)獲得(de)光(guang)(guang)亮、平整表(biao)面(mian)(mian)的(de)(de)加(jia)(jia)工(gong)(gong)(gong)(gong)方(fang)法。是(shi)利(li)用(yong)拋(pao)(pao) 光(guang)(guang)工(gong)(gong)(gong)(gong)具和磨料(liao)顆粒或其他拋(pao)(pao)光(guang)(guang)介質(zhi)對工(gong)(gong)(gong)(gong)件(jian)表(biao)面(mian)(mian)進(jin)行的(de)(de)修飾加(jia)(jia)工(gong)(gong)(gong)(gong)。

五金加(jia)工的(de)(de)(de)(de)氧化(hua)(hua)(hua)分(fen)為鋁(lv)硬(ying)質氧化(hua)(hua)(hua)、壓(ya)鑄鋁(lv)氧化(hua)(hua)(hua)、彩色氧化(hua)(hua)(hua)、鋁(lv)陽極氧化(hua)(hua)(hua)、本色氧化(hua)(hua)(hua)等。鈍化(hua)(hua)(hua)：原理(li)可(ke)以用(yong)薄(bo)膜(mo)理(li)論來解釋(shi)，鈍化(hua)(hua)(hua)是由(you)于金屬(shu)(shu)(shu)與氧化(hua)(hua)(hua)性物(wu)質作(zuo)用(yong)，作(zuo)用(yong)時在金屬(shu)(shu)(shu)表(biao)面(mian)(mian)生成(cheng) 一種非常(chang)薄(bo)的(de)(de)(de)(de)、致密的(de)(de)(de)(de)、覆(fu)蓋性能良好的(de)(de)(de)(de)、牢固地吸附在金屬(shu)(shu)(shu) 表(biao)面(mian)(mian)上的(de)(de)(de)(de)鈍化(hua)(hua)(hua)膜(mo)。與傳統的(de)(de)(de)(de)物(wu)理(li)封閉(bi)法相比，鈍化(hua)(hua)(hua)處理(li)后具有絕-對不增加(jia)工件厚度和改變顏色的(de)(de)(de)(de)特點、提高了產品的(de)(de)(de)(de)精密度和附加(jia)值，使操作(zuo)更方便。

背膠：背膠是郵票的(de)(de)(de)重要(yao)特征之(zhi)一。機加(jia)工(gong)：車削(xue)加(jia)工(gong)、刨(bao)削(xue)加(jia)工(gong)、銑削(xue)加(jia)工(gong)、磨削(xue)加(jia)工(gong)，滾牙(ya)：牙(ya)使(shi)用兩個帶有螺(luo)紋(wen)的(de)(de)(de)棍(gun)子來擠壓被加(jia)工(gong)的(de)(de)(de)工(gong)件(jian)，使(shi)零件(jian)表面被壓出螺(luo)紋(wen)。攻牙(ya)：攻牙(ya)就是板牙(ya)，是用來加(jia)工(gong)或修理外螺(luo)紋(wen)的(de)(de)(de)，它的(de)(de)(de)內部是有螺(luo)紋(wen)的(de)(de)(de)，可手(shou)工(gong)加(jia)工(gong)也可以用在套絲機上。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(fang)式，主要(yao)與(yu)待鍍(du)(du)(du)件(jian)的(de)(de)(de)尺寸和批(pi)量有關。

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