锰系磷化中文版本

1、整理课件1锰系磷化整理课件2锰磷化处理哪些工件钢 变速箱部件: 齿轮 引擎部件: 圆筒垫, 凸轮轴, 阀门杆 泵部件: 轴，活塞 紧固件: 螺钉，螺栓 武器: 枪杆整理课件3锰磷化优点 润滑 耐磨 减摩 防腐蚀 减噪整理课件4锰磷化反应机理Pickling reaction:Fe + 2H+ Fe2+ + H2Coating reaction:5 Mn + 10 H2PO4 - (Mn,Fe)5H2(PO4)4 + 6H+ + 6H2PO4-Hureaulite整理课件5锰磷化处理过程脱脂水洗锰磷化酸洗水洗水洗表调烘干RP钝化烘干整理课件6锰磷化合适的产品脱脂: Alkaline cleane

2、rs i.e. Gardoclean 349 不含硅酸盐 不建议使用含硅酸盐脱脂剂酸洗: Hydrochloric acid (10 15%) + Sulfuric acid (20 %) + Phosphoric acid (15 20 %) 酸洗抑制剂GBA H8640 0.5-1.0 g/LGBA H8622 0.5-2.0g/L 整理课件7锰磷化合适的产品表调: Gardolene V 6560A活化成分Gardolene V 6561B水调整Gardolene V 6562C添加剂锰磷化:Gardobond G 4003Gardobond G 4004Gardobond G 4040

3、Gardobond G 4041Gardobond G 4042Gardobond G 4095整理课件8锰磷化产品比较SystemGB G4003GB G4004GB G4095GB G4098GB G4040GB G4041GB G4042组分组分A+EA+EA=EA=EA=EA=EA=E温度温度C95959595808080浓度浓度 GS50-803580-13080-13080-13080-13080-130膜重膜重 g/m24-102-57-307-304-204-204-20ApplicationHigh thruput,low CWVery low CWLow thruput,

4、heavy CWLow thruput, medium CMLow temperature, Micro crystalline 整理课件9 Gardobond G 4098,V1000, CRS锰磷化晶体照片整理课件10锰磷化晶体照片 GB G4041, V 1000 CRS 整理课件11锰磷化晶体照片 Gardobond G4003, V1000 CRS整理课件12锰磷化问题解答起因结果措施Fe(II) 升高Thruput to highIncrease bath volumeFe (II) limitation through agitation 减少 Mn 的成分加 GBA H7203

5、Gas time too longAcid ratio (FS/GS) to high Add GBA H7203Ineffective activation Fresh Activation or partial dumb Bath contaminated with Cr (III) Add 1 g/L Na-citrate Increase concentrationPartial dumb整理课件13Manganese PhosphateTrouble shootingEffectCauseCountermeasureGas time too long Fe (II) concentr

6、ation high Increase bath volume Reduce Free Acid (FA) Improve Activation Add GBA H 7050Coarse crystal structure Cleaner not suitable Use GC 349 Ineffective activation Increase agitation Increase GL V6560A concentration整理课件14Manganese PhosphateTrouble shootingEffectCauseCountermeasureNo- or bad-coating Contamination with Cr (III)Add 1 g/L Na-citratePartial dumb Low Mn concentration Add GBA H7203Pin-holes Acidity to high Add GBA H 7203 Increase Total Acid (TA) Change Mn/Fe ratio Alloy compo