Tests in laboratory and industry have shown that ball_milling with variable rotational speed can raise the efficiency of ball_milling by a big margin and improve the processing quality of the powders.

• 实验室和工业应用试验结果表明，变转速球磨方法不仅能较大幅度地提高球磨效率，而且能对粉料加工质量产生明显的影响。