Heating roller press | 1. Structure: vertical heating rollers arranged up and down horizontally 2. Frame: "mouth" shaped integral casting frame 3. Bearing seat: Cast 45# steel, equipped with cooling water channels and lubricating oil holes 4. Base: integral welded base 5. Main bearing: Four-row cylindrical roller bearings for rolling mills, filled with high temperature grease 6. Roll size: φ300*400mm 7. Effective use width: ≥300mm 8. Roll material: 9Cr3Mo (electroslag remelting) 9. Roll surface hardness: HSD90-95 (according to the hardness inspection report) 10. Depth of quenching layer on roll surface: ≥8mm, roll quenching and tempering HB280-300 11. Special treatment of the roller surface: chrome-plated roller surface, the thickness of the coating layer is 0.08-0.12mm 12. Roll surface roughness: Ra≤0.2μm 13. Roll cylindricity: ≤0.002mm 14. Roll radial runout: ≤0.002mm (detected on the grinder) 15. Tolerance of radial runout of roll installation: ≤±0.002mm 16. Roll heating method: solid roll drilling is matched with an external oil temperature machine to be heated by heat transfer oil circulation 17. Heating temperature: Max.120±2ºC, the temperature is continuously adjustable, controlled by a digital display temperature controller 18. Heating power: 24kW, heating at room temperature from 20°C to 120°C, heating stability time ≤ 4 hours 19. Roll gap adjustment range: 0-5mm, touch screen display 20. Roll gap adjustment form: touch screen setting, servo motor drives wedge iron adjustment through reducer and ball screw 21. Roll gap adjustment accuracy: 0.001mm 22. Drive: the reducer drives the roll to rotate through gear transmission 23. Main motor reducer: hardened helical gear reducer 24. Main motor power: 4kW (380V 50HZ servo motor) 25. Rolling speed: 0.5-9m/min (stepless speed regulation) 26. Pressure at work: dual-channel constant pressure hydraulic station pressures through plunger cylinders 27. Maximum pressure of hydraulic system: 21MPa 28. Oil tank specifications: φ160mm*2 29. Maximum pressure between two rollers: 80T |