1. For the convenience of maintenance and installation and reliable operation, the principal and auxiliary machine adopt wholly cast steel seat mixing.
2. Oil seal device is set in roll bearings and oil circuit lubrication adopts manual dry oil cup in to keep the lubrication well, operation convenient and environment clean.
3. All drive gears are made from cast steel, and of such advantages as high strength material, stable running, high wearability and long working life, etc.
4. Equipped with emergency brake equipment. When emergency accidents occur, it will brake automatically with reliability and safety.
5. Using hard-tooth surface gearbox to drive the rollers, which has lower noise and longer life.
6. In order to save labor and operate conveniently, roll gap adopts worm wheel and worm adjustment.