五金加工就是(shi)(shi)將原材(cai)料(不(bu)銹鋼(gang)、銅料、鋁料、鐵料)，用(yong)車床、銑(xian)床、鉆床、磨(mo)床、拋(pao)(pao)光(guang)等(deng)機械(xie)按(an)客戶的(de)圖紙或(huo)樣品加(jia)(jia)工(gong)(gong)成為各種零件(jian)(jian)，如：螺絲 、馬達軸、模(mo)型車零件(jian)(jian)、移動(dong)電源(yuan)外殼(ke)等(deng)。五金(jin)表(biao)面(mian)加(jia)(jia)工(gong)(gong)細分可分為：五金(jin)噴漆加(jia)(jia)工(gong)(gong)、電鍍、表(biao)面(mian)拋(pao)(pao)光(guang)加(jia)(jia)工(gong)(gong)、五金(jin)腐蝕加(jia)(jia)工(gong)(gong)等(deng)等(deng)。拋(pao)(pao)光(guang)：原理是(shi)(shi)指通過有規則溶解達到光(guang)亮(liang)平滑；方法：利用(yong)機械(xie)、化學(xue)或(huo)電化學(xue)的(de)作用(yong)，使工(gong)(gong)件(jian)(jian)表(biao)面(mian)粗糙度降低，得以是(shi)(shi)五金(jin)加(jia)(jia)工(gong)(gong)獲得光(guang)亮(liang)、平整(zheng)表(biao)面(mian)的(de)加(jia)(jia)工(gong)(gong)方法。是(shi)(shi)利用(yong)拋(pao)(pao) 光(guang)工(gong)(gong)具和(he)磨(mo)料顆粒或(huo)其他拋(pao)(pao)光(guang)介質對工(gong)(gong)件(jian)(jian)表(biao)面(mian)進行的(de)修飾加(jia)(jia)工(gong)(gong)。

五(wu)金(jin)加(jia)工(gong)的(de)氧(yang)化(hua)分(fen)為鋁硬(ying)質氧(yang)化(hua)、壓(ya)鑄鋁氧(yang)化(hua)、彩(cai)色氧(yang)化(hua)、鋁陽極(ji)氧(yang)化(hua)、本色氧(yang)化(hua)等。鈍化(hua)：原理(li)可以用薄(bo)膜理(li)論來解釋(shi)，鈍化(hua)是由于金(jin)屬與氧(yang)化(hua)性(xing)(xing)物質作用，作用時在金(jin)屬表面(mian)生成 一種非常(chang)薄(bo)的(de)、致密(mi)的(de)、覆蓋性(xing)(xing)能良好(hao)的(de)、牢固地吸附(fu)在金(jin)屬 表面(mian)上的(de)鈍化(hua)膜。與傳統的(de)物理(li)封閉法相比，鈍化(hua)處(chu)理(li)后具有絕-對不增加(jia)工(gong)件厚度和(he)改(gai)變顏色的(de)特點、提高了(le)產品(pin)的(de)精密(mi)度和(he)附(fu)加(jia)值，使操作更方便。

背膠(jiao)(jiao)：背膠(jiao)(jiao)是郵票的(de)重要(yao)特(te)征之一。機加(jia)工(gong)(gong)(gong)：車削(xue)加(jia)工(gong)(gong)(gong)、刨削(xue)加(jia)工(gong)(gong)(gong)、銑削(xue)加(jia)工(gong)(gong)(gong)、磨削(xue)加(jia)工(gong)(gong)(gong)，滾牙(ya)：牙(ya)使(shi)用(yong)(yong)兩個帶(dai)有螺紋(wen)(wen)(wen)的(de)棍子來(lai)擠壓(ya)被加(jia)工(gong)(gong)(gong)的(de)工(gong)(gong)(gong)件(jian)，使(shi)零(ling)件(jian)表面被壓(ya)出螺紋(wen)(wen)(wen)。攻(gong)牙(ya)：攻(gong)牙(ya)就是板牙(ya)，是用(yong)(yong)來(lai)加(jia)工(gong)(gong)(gong)或修(xiu)理外螺紋(wen)(wen)(wen)的(de)，它的(de)內部是有螺紋(wen)(wen)(wen)的(de)，可手工(gong)(gong)(gong)加(jia)工(gong)(gong)(gong)也可以用(yong)(yong)在套絲(si)機上。電鍍：電鍍分為(wei)掛(gua)鍍、滾鍍、連續鍍和(he)刷鍍等方式，主(zhu)要(yao)與待鍍件(jian)的(de)尺寸和(he)批量有關。

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