A large number of tests and more than 20 years experience prove that the most of residual stress is relieved within the first 5 minutes,the time chart as follows for your reference.
Workpiece weight(Ton) |
<1 |
1~3 |
3~6 |
6~10 |
10~50 |
>50 |
Vibration time(Minutes) |
8 |
12 |
15 |
20 |
25 |
30~40 |