五金加工就(jiu)是(shi)將原(yuan)材料(liao)(不(bu)銹鋼、銅料(liao)、鋁料(liao)、鐵料(liao))，用(yong)(yong)車床(chuang)、銑床(chuang)、鉆床(chuang)、磨床(chuang)、拋光等(deng)(deng)機(ji)械(xie)按客戶的圖(tu)紙或(huo)樣(yang)品(pin)加工(gong)成為(wei)各(ge)種零(ling)件，如：螺絲 、馬達(da)(da)軸(zhou)、模型車零(ling)件、移動電源外殼等(deng)(deng)。五(wu)金(jin)表面(mian)(mian)加工(gong)細分可(ke)分為(wei)：五(wu)金(jin)噴(pen)漆加工(gong)、電鍍、表面(mian)(mian)拋光加工(gong)、五(wu)金(jin)腐蝕加工(gong)等(deng)(deng)等(deng)(deng)。拋光：原(yuan)理是(shi)指通過有規則溶解達(da)(da)到光亮平滑；方(fang)法(fa)：利用(yong)(yong)機(ji)械(xie)、化學或(huo)電化學的作(zuo)用(yong)(yong)，使工(gong)件表面(mian)(mian)粗糙度降低(di)，得(de)以是(shi)五(wu)金(jin)加工(gong)獲得(de)光亮、平整表面(mian)(mian)的加工(gong)方(fang)法(fa)。是(shi)利用(yong)(yong)拋 光工(gong)具和磨料(liao)顆粒或(huo)其(qi)他拋光介質對工(gong)件表面(mian)(mian)進行的修飾加工(gong)。

五金(jin)加(jia)工(gong)的(de)氧(yang)(yang)化(hua)(hua)分為(wei)鋁(lv)硬質(zhi)(zhi)氧(yang)(yang)化(hua)(hua)、壓(ya)鑄鋁(lv)氧(yang)(yang)化(hua)(hua)、彩色(se)氧(yang)(yang)化(hua)(hua)、鋁(lv)陽極氧(yang)(yang)化(hua)(hua)、本色(se)氧(yang)(yang)化(hua)(hua)等。鈍(dun)化(hua)(hua)：原理可以用(yong)薄(bo)膜理論(lun)來解釋，鈍(dun)化(hua)(hua)是由于金(jin)屬與氧(yang)(yang)化(hua)(hua)性(xing)物質(zhi)(zhi)作用(yong)，作用(yong)時在金(jin)屬表面生成 一種非常薄(bo)的(de)、致密的(de)、覆蓋性(xing)能良好的(de)、牢固地吸附在金(jin)屬 表面上的(de)鈍(dun)化(hua)(hua)膜。與傳統的(de)物理封閉法相(xiang)比，鈍(dun)化(hua)(hua)處理后(hou)具有(you)絕-對不(bu)增加(jia)工(gong)件厚(hou)度和改變(bian)顏(yan)色(se)的(de)特點、提高(gao)了產品的(de)精(jing)密度和附加(jia)值，使操(cao)作更方便。

背(bei)膠(jiao)：背(bei)膠(jiao)是(shi)(shi)郵票的(de)(de)重(zhong)要(yao)特征之一。機加工(gong)(gong)(gong)(gong)：車削(xue)加工(gong)(gong)(gong)(gong)、刨削(xue)加工(gong)(gong)(gong)(gong)、銑削(xue)加工(gong)(gong)(gong)(gong)、磨削(xue)加工(gong)(gong)(gong)(gong)，滾牙(ya)：牙(ya)使用(yong)兩個帶有(you)螺(luo)(luo)紋(wen)的(de)(de)棍子來擠壓(ya)被(bei)加工(gong)(gong)(gong)(gong)的(de)(de)工(gong)(gong)(gong)(gong)件，使零件表面被(bei)壓(ya)出螺(luo)(luo)紋(wen)。攻牙(ya)：攻牙(ya)就是(shi)(shi)板牙(ya)，是(shi)(shi)用(yong)來加工(gong)(gong)(gong)(gong)或修理外(wai)螺(luo)(luo)紋(wen)的(de)(de)，它(ta)的(de)(de)內部(bu)是(shi)(shi)有(you)螺(luo)(luo)紋(wen)的(de)(de)，可手工(gong)(gong)(gong)(gong)加工(gong)(gong)(gong)(gong)也可以用(yong)在(zai)套絲機上(shang)。電鍍(du)：電鍍(du)分為掛鍍(du)、滾鍍(du)、連續(xu)鍍(du)和刷鍍(du)等(deng)方式，主要(yao)與待鍍(du)件的(de)(de)尺寸和批(pi)量有(you)關。

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