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

工(gong)藝流程 1

  適合(he)于煉(lian)鋼出來的(de)(de)材料，表面(mian)有一層氧化(hua)(hua)皮，經電(dian)化(hua)(hua)學拋光(guang)(guang)(guang)能(neng)獲得光(guang)(guang)(guang)亮(liang)如鏡的(de)(de)表面(mian)。堿性(xing)化(hua)(hua)學除油（氫氧化(hua)(hua)鈉50~80g/L,碳酸鈉20~30g/L,磷酸三鈉20~30g/L,洗(xi)(xi)(xi)衣粉7~10g/L,溫度95~100℃,時間(jian)15~30min)→熱(re)(re)水(shui)(shui)洗(xi)(xi)(xi)→冷(leng)水(shui)(shui)洗(xi)(xi)(xi)→去污粉擦洗(xi)(xi)(xi)→冷(leng)水(shui)(shui)洗(xi)(xi)(xi)→上夾(jia)具（接觸點用螺(luo)釘擰緊）→下電(dian)化(hua)(hua)學拋光(guang)(guang)(guang)槽(cao)［電(dian)化(hua)(hua)學拋光(guang)(guang)(guang)液按配方4,拋光(guang)(guang)(guang)件(jian)放在(zai)(zai)陽(yang)(yang)(yang)極上，鉛板(ban)放在(zai)(zai)陰(yin)(yin)極上，陰(yin)(yin)陽(yang)(yang)(yang)極面(mian)積比1:(2~3.5),調整好陰(yin)(yin)陽(yang)(yang)(yang)極之間(jian)距離100~300mm]→給電(dian)拋光(guang)(guang)(guang)（電(dian)壓6~12V,陽(yang)(yang)(yang)極電(dian)流密度30~60A/d㎡,溫度50~80℃,時間(jian)8~3min)→斷電(dian)出槽(cao)→冷(leng)水(shui)(shui)洗(xi)(xi)(xi)→拆卸夾(jia)具→冷(leng)水(shui)(shui)洗(xi)(xi)(xi)→熱(re)(re)水(shui)(shui)洗(xi)(xi)(xi)→冷(leng)水(shui)(shui)洗(xi)(xi)(xi)→鈍化(hua)(hua)處理［硝(xiao)酸（d=1.40)600~700mL/L，重鉻酸鉀8~10g/L,室(shi)溫，時間(jian)30~40min]→冷(leng)水(shui)(shui)洗(xi)(xi)(xi)→冷(leng)水(shui)(shui)洗(xi)(xi)(xi)→中和（碳酸鈉20~30g/L,室(shi)溫，時間(jian)2min)→熱(re)(re)水(shui)(shui)洗(xi)(xi)(xi)→干燥（0.3~0.5MPa壓縮空氣吹(chui)干并烘干）。

工藝流程 2

 采用三(san)次不同的拋光方法(fa)。拋光不銹鋼零件可按此工(gong)序(xu)進(jin)行。機(ji)械拋光→化(hua)(hua)學(xue)(xue)除油→冷(leng)(leng)(leng)水(shui)洗(xi)→酸蝕（工(gong)業鹽酸加緩(huan)蝕劑(ji)六亞(ya)甲基四胺(an)1~2g/L,室(shi)溫，時(shi)間(jian)1.0~2min;或(huo)工(gong)業硫(liu)酸200~250g/L,緩(huan)蝕劑(ji)硫(liu)脲0.3~0.5g/L,溫度(du)80~98℃,時(shi)間(jian)3~5min)→冷(leng)(leng)(leng)水(shui)洗(xi)→冷(leng)(leng)(leng)水(shui)洗(xi)→化(hua)(hua)學(xue)(xue)拋光（按表(biao)3-1中(zhong)配方8或(huo)其(qi)他）→冷(leng)(leng)(leng)水(shui)洗(xi)→電解拋光（按表(biao)3-3中(zhong)配方，適當選取）→熱(re)水(shui)洗(xi)→冷(leng)(leng)(leng)水(shui)洗(xi)→鈍化(hua)(hua)→冷(leng)(leng)(leng)水(shui)洗(xi)→中(zhong)和→冷(leng)(leng)(leng)水(shui)洗(xi)→冷(leng)(leng)(leng)水(shui)洗(xi)→熱(re)水(shui)洗(xi)（90~98℃)→烘干。

工(gong)藝流程 3

 適合于切削加工馬(ma)氏體(ti)不銹鋼制品，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(yu)有(you)焊接縫氧(yang)化皮的不銹鋼。裝夾具→除油(you)→水(shui)洗(xi)(xi)(xi)(xi)→去氧(yang)化皮（氫氧(yang)化鈉95~105g/L,碳酸(suan)(suan)鈉100~200g/L,高錳酸(suan)(suan)鉀(jia)80~90g/L,溫(wen)度60~70℃,零件掛陽極，DA35~45A/d㎡2,時間(jian)7~9min,陰(yin)極掛鉛板）→水(shui)洗(xi)(xi)(xi)(xi)→酸(suan)(suan)洗(xi)(xi)(xi)(xi)［硫酸(suan)(suan)10%~15%(質量分數）］→水(shui)洗(xi)(xi)(xi)(xi)→光亮浸蝕（硫酸(suan)(suan)100mL/L,硝(xiao)酸(suan)(suan)170mL/L,氫氟酸(suan)(suan)50mL/L,室溫(wen)，5~10min)→水(shui)洗(xi)(xi)(xi)(xi)→電化學拋光（按表(biao)3-3配(pei)方11進行）→水(shui)洗(xi)(xi)(xi)(xi)→水(shui)洗(xi)(xi)(xi)(xi)→鈍化（硝(xiao)酸(suan)(suan)500mL/L,重鉻酸(suan)(suan)鉀(jia)10g/L,室溫(wen)，時間(jian)10min)→水(shui)洗(xi)(xi)(xi)(xi)→水(shui)洗(xi)(xi)(xi)(xi)→中和（碳酸(suan)(suan)鈉20~30g/L,室溫(wen)，2min)→水(shui)洗(xi)(xi)(xi)(xi)→水(shui)洗(xi)(xi)(xi)(xi)→熱水(shui)洗(xi)(xi)(xi)(xi)→吹(chui)干→下夾具。