Cold rolled steel plates with oil and a few rust
Cold rolled steel plate usually has oil, dirt or a few rust. It is easy to clean and clean, but after cleaning it usually, the workpiece still remains a very thin layer of sly, which affects the quality of subsequent processing, and sometimes we have to use the method of strong acid soaking to remove the ash. The use of ultrasonic cleaner and appropriate cleaning liquid can easily and conveniently finish the complete cleaning of the workpiece appearance, and make the workpiece with high activity appearance, and sometimes even can be exempted from the chemical order of acid leaching before electroplating.
A workpiece with oxide skin and yellow rust
The traditional method is to wash with hydrochloric acid or sulfuric acid. If the ultrasonic cleaning device is used to induce the processing skills, it is convenient to remove the oil and rust of the workpiece in a few minutes, and avoid the hydrogen embrittlement caused by the strong acid cleaning.