五金加工就(jiu)是(shi)將原材料(不銹鋼、銅(tong)料、鋁料、鐵料)，用車床(chuang)(chuang)、銑床(chuang)(chuang)、鉆床(chuang)(chuang)、磨(mo)床(chuang)(chuang)、拋光(guang)(guang)等(deng)(deng)機械(xie)按客戶的(de)圖紙或樣品加(jia)工(gong)(gong)(gong)(gong)(gong)成為各(ge)種零件，如：螺絲 、馬達軸(zhou)、模(mo)型(xing)車零件、移動電源(yuan)外殼等(deng)(deng)。五(wu)(wu)(wu)金表(biao)(biao)面(mian)加(jia)工(gong)(gong)(gong)(gong)(gong)細分(fen)可分(fen)為：五(wu)(wu)(wu)金噴漆加(jia)工(gong)(gong)(gong)(gong)(gong)、電鍍(du)、表(biao)(biao)面(mian)拋光(guang)(guang)加(jia)工(gong)(gong)(gong)(gong)(gong)、五(wu)(wu)(wu)金腐(fu)蝕加(jia)工(gong)(gong)(gong)(gong)(gong)等(deng)(deng)等(deng)(deng)。拋光(guang)(guang)：原理(li)是(shi)指(zhi)通過有規(gui)則溶(rong)解達到光(guang)(guang)亮(liang)平滑；方法：利用機械(xie)、化學(xue)或電化學(xue)的(de)作用，使工(gong)(gong)(gong)(gong)(gong)件表(biao)(biao)面(mian)粗糙度降低，得(de)以是(shi)五(wu)(wu)(wu)金加(jia)工(gong)(gong)(gong)(gong)(gong)獲得(de)光(guang)(guang)亮(liang)、平整(zheng)表(biao)(biao)面(mian)的(de)加(jia)工(gong)(gong)(gong)(gong)(gong)方法。是(shi)利用拋 光(guang)(guang)工(gong)(gong)(gong)(gong)(gong)具(ju)和磨(mo)料顆粒或其(qi)他(ta)拋光(guang)(guang)介質對工(gong)(gong)(gong)(gong)(gong)件表(biao)(biao)面(mian)進行的(de)修飾加(jia)工(gong)(gong)(gong)(gong)(gong)。

五金加(jia)工的氧(yang)化(hua)(hua)(hua)(hua)分為(wei)鋁(lv)硬質氧(yang)化(hua)(hua)(hua)(hua)、壓(ya)鑄鋁(lv)氧(yang)化(hua)(hua)(hua)(hua)、彩色(se)氧(yang)化(hua)(hua)(hua)(hua)、鋁(lv)陽(yang)極氧(yang)化(hua)(hua)(hua)(hua)、本色(se)氧(yang)化(hua)(hua)(hua)(hua)等。鈍(dun)化(hua)(hua)(hua)(hua)：原理(li)(li)可(ke)以(yi)用薄膜(mo)理(li)(li)論(lun)來解釋(shi)，鈍(dun)化(hua)(hua)(hua)(hua)是由于金屬與氧(yang)化(hua)(hua)(hua)(hua)性(xing)物(wu)質作(zuo)用，作(zuo)用時在金屬表面生成(cheng) 一種非常(chang)薄的、致密的、覆蓋性(xing)能(neng)良好的、牢固地(di)吸附(fu)在金屬 表面上的鈍(dun)化(hua)(hua)(hua)(hua)膜(mo)。與傳統的物(wu)理(li)(li)封閉法相比，鈍(dun)化(hua)(hua)(hua)(hua)處理(li)(li)后具(ju)有絕-對(dui)不增加(jia)工件厚度(du)(du)和改變顏(yan)色(se)的特點、提高(gao)了產品(pin)的精(jing)密度(du)(du)和附(fu)加(jia)值，使操作(zuo)更(geng)方(fang)便。

背(bei)膠(jiao)：背(bei)膠(jiao)是郵票的(de)重(zhong)要特征之一。機加工(gong)(gong)(gong)：車削加工(gong)(gong)(gong)、刨削加工(gong)(gong)(gong)、銑削加工(gong)(gong)(gong)、磨削加工(gong)(gong)(gong)，滾(gun)牙：牙使(shi)用(yong)(yong)(yong)兩個帶有螺(luo)(luo)紋(wen)(wen)的(de)棍子(zi)來擠壓被加工(gong)(gong)(gong)的(de)工(gong)(gong)(gong)件，使(shi)零件表面(mian)被壓出(chu)螺(luo)(luo)紋(wen)(wen)。攻牙：攻牙就(jiu)是板(ban)牙，是用(yong)(yong)(yong)來加工(gong)(gong)(gong)或(huo)修理外螺(luo)(luo)紋(wen)(wen)的(de)，它的(de)內部是有螺(luo)(luo)紋(wen)(wen)的(de)，可(ke)手工(gong)(gong)(gong)加工(gong)(gong)(gong)也可(ke)以用(yong)(yong)(yong)在套絲機上。電鍍(du)：電鍍(du)分(fen)為(wei)掛鍍(du)、滾(gun)鍍(du)、連續(xu)鍍(du)和(he)刷鍍(du)等方式，主要與待鍍(du)件的(de)尺(chi)寸和(he)批量(liang)有關(guan)。

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