五金加工就是將原(yuan)材料(liao)(不銹(xiu)鋼、銅料(liao)、鋁料(liao)、鐵料(liao))，用(yong)(yong)車(che)床、銑床、鉆床、磨床、拋(pao)(pao)光(guang)(guang)等(deng)機械按(an)客戶的圖紙或樣(yang)品(pin)加(jia)(jia)工(gong)(gong)成為(wei)各種零件(jian)，如：螺絲 、馬達(da)軸、模(mo)型車(che)零件(jian)、移動電(dian)源(yuan)外殼等(deng)。五金(jin)表(biao)面加(jia)(jia)工(gong)(gong)細分可(ke)分為(wei)：五金(jin)噴漆(qi)加(jia)(jia)工(gong)(gong)、電(dian)鍍(du)、表(biao)面拋(pao)(pao)光(guang)(guang)加(jia)(jia)工(gong)(gong)、五金(jin)腐(fu)蝕加(jia)(jia)工(gong)(gong)等(deng)等(deng)。拋(pao)(pao)光(guang)(guang)：原(yuan)理是指(zhi)通過(guo)有規(gui)則溶(rong)解達(da)到光(guang)(guang)亮平(ping)(ping)滑；方(fang)(fang)法(fa)：利(li)用(yong)(yong)機械、化(hua)學或電(dian)化(hua)學的作用(yong)(yong)，使工(gong)(gong)件(jian)表(biao)面粗(cu)糙度(du)降(jiang)低(di)，得以是五金(jin)加(jia)(jia)工(gong)(gong)獲得光(guang)(guang)亮、平(ping)(ping)整(zheng)表(biao)面的加(jia)(jia)工(gong)(gong)方(fang)(fang)法(fa)。是利(li)用(yong)(yong)拋(pao)(pao) 光(guang)(guang)工(gong)(gong)具(ju)和(he)磨料(liao)顆(ke)粒或其他拋(pao)(pao)光(guang)(guang)介質對工(gong)(gong)件(jian)表(biao)面進(jin)行的修飾(shi)加(jia)(jia)工(gong)(gong)。

五金(jin)加(jia)工(gong)的(de)(de)氧(yang)化(hua)(hua)分為(wei)鋁(lv)(lv)硬(ying)質(zhi)(zhi)氧(yang)化(hua)(hua)、壓鑄鋁(lv)(lv)氧(yang)化(hua)(hua)、彩(cai)色氧(yang)化(hua)(hua)、鋁(lv)(lv)陽(yang)極氧(yang)化(hua)(hua)、本色氧(yang)化(hua)(hua)等。鈍(dun)(dun)化(hua)(hua)：原理(li)可以用(yong)薄膜(mo)理(li)論(lun)來(lai)解釋，鈍(dun)(dun)化(hua)(hua)是由(you)于金(jin)屬與氧(yang)化(hua)(hua)性物(wu)質(zhi)(zhi)作(zuo)用(yong)，作(zuo)用(yong)時在金(jin)屬表(biao)面生成 一種非(fei)常(chang)薄的(de)(de)、致(zhi)密的(de)(de)、覆蓋性能良好的(de)(de)、牢固地(di)吸(xi)附在金(jin)屬 表(biao)面上的(de)(de)鈍(dun)(dun)化(hua)(hua)膜(mo)。與傳統的(de)(de)物(wu)理(li)封(feng)閉法(fa)相比，鈍(dun)(dun)化(hua)(hua)處(chu)理(li)后具有絕(jue)-對不增加(jia)工(gong)件厚度(du)和改變顏色的(de)(de)特點(dian)、提(ti)高了(le)產品的(de)(de)精密度(du)和附加(jia)值，使操作(zuo)更方便。

背膠：背膠是郵(you)票的重要(yao)(yao)特征(zheng)之一。機加工(gong)(gong)：車削(xue)加工(gong)(gong)、刨削(xue)加工(gong)(gong)、銑削(xue)加工(gong)(gong)、磨削(xue)加工(gong)(gong)，滾(gun)牙：牙使(shi)(shi)用(yong)(yong)兩個帶有螺紋(wen)的棍子來擠壓(ya)被加工(gong)(gong)的工(gong)(gong)件，使(shi)(shi)零件表面被壓(ya)出螺紋(wen)。攻牙：攻牙就(jiu)是板牙，是用(yong)(yong)來加工(gong)(gong)或修理(li)外螺紋(wen)的，它的內部是有螺紋(wen)的，可(ke)手(shou)工(gong)(gong)加工(gong)(gong)也可(ke)以用(yong)(yong)在套絲機上。電(dian)鍍(du)(du)：電(dian)鍍(du)(du)分為掛鍍(du)(du)、滾(gun)鍍(du)(du)、連續鍍(du)(du)和(he)刷(shua)鍍(du)(du)等方(fang)式，主要(yao)(yao)與待鍍(du)(du)件的尺寸和(he)批量有關。

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