steel keel roll forming machinery: 1. Size of sheet: depend on client request 2. Working speed: 12m-15m/min(not including cutting) 3. Roll station :15 stations 4. Material of roller: 45# forge steel, polished and coated with chrome 5. Material of main: shaft45forge steel , shaft dia is 85mm 6. Main power: 22Kw-- 11KW 7. Hydraulic station power :5.5Kw 8. Hydraulic pressure: 20 Mpa 9. Control system: PLC Panasonic 10. Size of machine: 7000×8000×1000mm steel keel roll forming machinery A: Simple structure and beautiful outlook; B: Easy to set and to operate roll forming machinery