then the results showed that the rubber calendaring with developed rubber calender machine, an average period of the calendaring was 17 seconds per sheet. the rubber calendaring with farmers' rubber roller machine, an average period of the calendaring was 188 seconds per sheet.
the rate of developed rubber calendar machine and farmers' rubber roller machine, the average was 211 and 19 sheets per hours, respectively.
the rate of the developed rubber calender machine was better than farmers' rubber roller machine about 11 times.