Phosphating production method for automobile galvanized plate

The invention discloses a phosphating production method for an automobile galvanized plate and belongs to the field of automobile plate phosphating processes. The production method comprises the following steps of 1, solution compounding; 2, slag discharging; 3, titration; 4, control over phosphating process key points; 5, treatment of abnormal process in the phosphating process. Technological parameters in the activating treatment and phosphating processes are strictly controlled and adjusted in time, and quality of the phosphorized plate is guaranteed. Meanwhile, corresponding countermeasures are taken to solve abnormal problems existing in the production process, and therefore by means of the whole set of complete phosphating production method for the automobile galvanized plate, product quality is guaranteed. 本发明公开了种汽车镀锌板磷化处理生产方法，属于汽车板的磷化处理工艺领域。生产方法包括如下步骤：1)配液、2)排渣、3)滴定、4)磷化处理工艺关键点控制、5)磷化处理工艺中异常过程处理。通过严格控制活化处理和磷化处理过程中的工艺参数，并及时的对活化和磷化过程中的工艺参数进行调整，保证了磷化板的质量。同时，对生产过程中出现的异常问题，也配备了相对应的解决措施。因此，本发明的生产方法制定了整套完整的镀