Oscillating action that forces material through a screen.
The oscillating rotor repeatedly presses the feed through the screen. Wet mass is formed into granules, or dry agglomerates are reduced and sized, according to the selected screen opening.

| Item | YK160 | YK320 |
| Production Capacity | 50–200 kg/h | 50–400 kg/h |
| Motor Power | 2.2 kW | 7.5 kW |
| Roller Speed | 65 rpm | 65 rpm |
| Oscillation Angle | 360° | 360° |
| Roller Diameter | Φ160 mm | Φ320 mm |
| Weight | 450 kg | 750 kg |
| Overall Dimensions | 1000×800×1300 mm | 1500×1200×1500 mm |