磨削烧伤检测方法

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1、Accordingtotheprofessionalarticle, „Nital(nitalsolution(HNO3inethanol))etchinginproofofgrindingburning”,sinceca.1983wehavecarriedouttheburningetchinginourplant.Inthefollowingyears,theprocessstepshavebeenmodifiedasfollowing:1.       Clean/Degreasewithultrasonicandtensidecleaningagentby60±5°C2.    

2、    Washinwaterbathby60±5°C                                                                      ca.4min3.        Etchin2%alcoholicnitricacid                                                                      2.5-3.0min4.        Washinwaterbathbyroomtemperature                                  

3、                   ca.0.5min5.        Etchin3%alcoholichydrochloricacid                                                         2.5-3.0min6.        Washinwaterbathbyroomtemperature                                                    ca.0.5min7.        Neutralizein4%hydrousammoniacsolution         

4、                                     1-2min8.        Washinwaterbathbyroomtemperature                                                     ca.0.5min9.        Drywithcompressedair10.      Conserve按照专业条款，硝酸乙醇腐蚀液(硝酸乙醇腐蚀液(HNO3in乙醇))中浸泡的齿轮来检查磨削烧伤，从1983年开始我们在工厂就开始做磨削烧伤的检测。在接下来的许多年里，检测流程修改如下：1.       在温度

5、为60±5°C时，用超音清化剂和表面活性剂清洗并去油污.2.        在60±5°C温度的水中清洗                                                   ca.4min3.        在浓度为2%的酒精硝酸溶液中腐蚀                                      2.5-3.0min4.        在室温的水桶中清洗                                                     ca.0.5min5. 在浓度为3%的酒精盐酸溶液中腐蚀             

6、                         2.5-3.0min6.        在室温的水桶中清洗                                                    ca.0.5min7.        在4%的氨水溶液中中和                                              1-2min8.        在室温的水桶中清洗                                                     ca.0.5min9.        用压缩空气吹干10.      保存