不銹鋼電解拋光工藝流程要根據表面不同的情形、不(bu)銹(xiu)鋼的種類選擇適合的操作程序。

工藝流(liu)程 1

  適合于煉鋼出來的材料，表面有一層氧化(hua)(hua)(hua)(hua)皮(pi)，經電(dian)化(hua)(hua)(hua)(hua)學拋光(guang)(guang)能(neng)獲得光(guang)(guang)亮如鏡的表面。堿性化(hua)(hua)(hua)(hua)學除油（氫氧化(hua)(hua)(hua)(hua)鈉(na)(na)(na)50~80g/L,碳酸(suan)(suan)鈉(na)(na)(na)20~30g/L,磷(lin)酸(suan)(suan)三鈉(na)(na)(na)20~30g/L,洗(xi)(xi)(xi)衣粉(fen)7~10g/L,溫(wen)度(du)(du)95~100℃,時間(jian)15~30min)→熱(re)(re)水(shui)(shui)洗(xi)(xi)(xi)→冷(leng)(leng)水(shui)(shui)洗(xi)(xi)(xi)→去(qu)污(wu)粉(fen)擦洗(xi)(xi)(xi)→冷(leng)(leng)水(shui)(shui)洗(xi)(xi)(xi)→上(shang)夾(jia)具（接觸點用螺(luo)釘擰緊）→下電(dian)化(hua)(hua)(hua)(hua)學拋光(guang)(guang)槽［電(dian)化(hua)(hua)(hua)(hua)學拋光(guang)(guang)液按(an)配方(fang)4,拋光(guang)(guang)件(jian)放(fang)在(zai)(zai)陽極(ji)(ji)上(shang)，鉛板放(fang)在(zai)(zai)陰極(ji)(ji)上(shang)，陰陽極(ji)(ji)面積比1:(2~3.5),調整好陰陽極(ji)(ji)之(zhi)間(jian)距離100~300mm]→給電(dian)拋光(guang)(guang)（電(dian)壓6~12V,陽極(ji)(ji)電(dian)流(liu)密(mi)度(du)(du)30~60A/d㎡,溫(wen)度(du)(du)50~80℃,時間(jian)8~3min)→斷電(dian)出槽→冷(leng)(leng)水(shui)(shui)洗(xi)(xi)(xi)→拆卸夾(jia)具→冷(leng)(leng)水(shui)(shui)洗(xi)(xi)(xi)→熱(re)(re)水(shui)(shui)洗(xi)(xi)(xi)→冷(leng)(leng)水(shui)(shui)洗(xi)(xi)(xi)→鈍化(hua)(hua)(hua)(hua)處理［硝酸(suan)(suan)（d=1.40)600~700mL/L，重鉻酸(suan)(suan)鉀8~10g/L,室溫(wen)，時間(jian)30~40min]→冷(leng)(leng)水(shui)(shui)洗(xi)(xi)(xi)→冷(leng)(leng)水(shui)(shui)洗(xi)(xi)(xi)→中和(he)（碳酸(suan)(suan)鈉(na)(na)(na)20~30g/L,室溫(wen)，時間(jian)2min)→熱(re)(re)水(shui)(shui)洗(xi)(xi)(xi)→干燥(zao)（0.3~0.5MPa壓縮空(kong)氣(qi)吹(chui)干并(bing)烘干）。

工(gong)藝(yi)流程 2

 采用三次(ci)不同的拋光(guang)方法。拋光(guang)不銹鋼零(ling)件(jian)可按(an)此(ci)工(gong)(gong)序進(jin)行。機(ji)械拋光(guang)→化學(xue)除油→冷(leng)(leng)(leng)(leng)水(shui)(shui)洗(xi)(xi)(xi)(xi)→酸蝕（工(gong)(gong)業鹽(yan)酸加緩蝕劑六亞甲基四胺(an)1~2g/L,室溫，時間1.0~2min;或(huo)工(gong)(gong)業硫酸200~250g/L,緩蝕劑硫脲(niao)0.3~0.5g/L,溫度(du)80~98℃,時間3~5min)→冷(leng)(leng)(leng)(leng)水(shui)(shui)洗(xi)(xi)(xi)(xi)→冷(leng)(leng)(leng)(leng)水(shui)(shui)洗(xi)(xi)(xi)(xi)→化學(xue)拋光(guang)（按(an)表(biao)3-1中(zhong)(zhong)配(pei)方8或(huo)其(qi)他）→冷(leng)(leng)(leng)(leng)水(shui)(shui)洗(xi)(xi)(xi)(xi)→電解拋光(guang)（按(an)表(biao)3-3中(zhong)(zhong)配(pei)方，適當選(xuan)取）→熱水(shui)(shui)洗(xi)(xi)(xi)(xi)→冷(leng)(leng)(leng)(leng)水(shui)(shui)洗(xi)(xi)(xi)(xi)→鈍化→冷(leng)(leng)(leng)(leng)水(shui)(shui)洗(xi)(xi)(xi)(xi)→中(zhong)(zhong)和→冷(leng)(leng)(leng)(leng)水(shui)(shui)洗(xi)(xi)(xi)(xi)→冷(leng)(leng)(leng)(leng)水(shui)(shui)洗(xi)(xi)(xi)(xi)→熱水(shui)(shui)洗(xi)(xi)(xi)(xi)（90~98℃)→烘干。

工(gong)藝流(liu)程(cheng) 3

 適合于切削加工馬氏(shi)體不銹鋼(gang)制品，經一次電化學拋光、鈍化得成品。裝夾具→電化學除油（氫氧化鈉15~25g/L,碳酸鈉25~35g/L,磷酸三鈉10~20g/L,溫度55~60℃,陽極DA2~5A/d㎡2,時間1~2min)→熱水洗→冷水洗→酸蝕［硫酸（d=1.84)10%~15%(質量分數），室溫，30~60秒]→冷水洗→電化學拋光（溶液按表3-3配方7配制）→冷水洗→冷水洗→鈍化（硝酸250mL/L,重鉻酸鉀20g/L,室溫，時間＜30min;或重鉻酸鉀15g/L,氫氧化鈉3g/L,pH6.5~7.5,溫度60~80℃,時間3min)→冷水洗→冷水洗→中和（只用鈍化前一個配方時進行，碳酸鈉20~30g/L)→冷水洗→冷水洗→熱水洗→干燥（壓縮空氣吹干）。

工藝流程 4

 適合于有焊接縫氧(yang)化皮(pi)的不(bu)銹鋼。裝夾(jia)具→除油→水(shui)(shui)(shui)洗(xi)(xi)(xi)(xi)(xi)→去氧(yang)化皮(pi)（氫(qing)(qing)氧(yang)化鈉95~105g/L,碳酸(suan)(suan)(suan)(suan)鈉100~200g/L,高錳酸(suan)(suan)(suan)(suan)鉀(jia)80~90g/L,溫度60~70℃,零件掛陽極，DA35~45A/d㎡2,時(shi)間7~9min,陰極掛鉛板）→水(shui)(shui)(shui)洗(xi)(xi)(xi)(xi)(xi)→酸(suan)(suan)(suan)(suan)洗(xi)(xi)(xi)(xi)(xi)［硫酸(suan)(suan)(suan)(suan)10%~15%(質量(liang)分數）］→水(shui)(shui)(shui)洗(xi)(xi)(xi)(xi)(xi)→光亮浸(jin)蝕（硫酸(suan)(suan)(suan)(suan)100mL/L,硝酸(suan)(suan)(suan)(suan)170mL/L,氫(qing)(qing)氟(fu)酸(suan)(suan)(suan)(suan)50mL/L,室(shi)(shi)(shi)溫，5~10min)→水(shui)(shui)(shui)洗(xi)(xi)(xi)(xi)(xi)→電(dian)化學拋光（按表(biao)3-3配方(fang)11進(jin)行）→水(shui)(shui)(shui)洗(xi)(xi)(xi)(xi)(xi)→水(shui)(shui)(shui)洗(xi)(xi)(xi)(xi)(xi)→鈍化（硝酸(suan)(suan)(suan)(suan)500mL/L,重鉻酸(suan)(suan)(suan)(suan)鉀(jia)10g/L,室(shi)(shi)(shi)溫，時(shi)間10min)→水(shui)(shui)(shui)洗(xi)(xi)(xi)(xi)(xi)→水(shui)(shui)(shui)洗(xi)(xi)(xi)(xi)(xi)→中和（碳酸(suan)(suan)(suan)(suan)鈉20~30g/L,室(shi)(shi)(shi)溫，2min)→水(shui)(shui)(shui)洗(xi)(xi)(xi)(xi)(xi)→水(shui)(shui)(shui)洗(xi)(xi)(xi)(xi)(xi)→熱(re)水(shui)(shui)(shui)洗(xi)(xi)(xi)(xi)(xi)→吹(chui)干→下夾(jia)具。