... accurate, reliable, easy to operate, time relay control speed, reliable, long service life. This machine is ... (4 minutes 100 to switch) and a constant speed of work. Main technical parameters: 1. Drum ... 1000±5mm 4. Drum body speed: 25r/min, 100r time: 4mim±10s 5. Motor power: 2.2KW 6. ... size accurate, reliable, easy to operate, time relay control speed, reliable, long service life. 2, can be equipped ...