How to choose the frequency of high frequency quenching equipment?

Generally, the frequency of equipment is selected according to three dimensions, quenching depth, workpiece size, and quenching time.

The selection relationship between quenching depth and equipment frequency:

0.2-0.8mm is recommended to choose 100-250KHz ultra-high frequency and high frequency;

1.0-1.5mm is recommended to choose 40-50KHz high frequency, super audio;

1.5-2.0mm is recommended to choose 20-25KHz super audio;

2.0-3.0mm is recommended to choose 8-20KHz super audio and intermediate frequency;

3.0-5.0mm is recommended to choose 4-8KHz intermediate frequency;

5.0-8.0mm is recommended to choose 2.5-4KHz intermediate frequency;