该机主传动在0.5～5m/min范围内无级可调。设有百分表测量系统使上下辊之间达到适当的尺寸。
The main driving system ofthis machine adoptd ACmo-toorfrequency conversion fiming lt canbe adjusted stepless in the limit of 0.5～5m/min.lt has measuyrement system with hundred-cent watch hundred-cent watch to obtain suit and exactt size between the upper and lower rollers.
