Smart Maintenance for Backup Rolls: Save Costs & Prevent Failures

Core Maintenance Goals

Effective care of mill rolls (including backup rolls) ensures:

• ◉ <2% monthly operational downtime
• ◉ <0.5% product surface defects
• ◉ 20-40% extended service lifespan

3 Critical Maintenance Practices

1. Daily Quick Checks

• ✔ Visual inspection for cracks/abrasions
• ✔ Lubrication system status
• ✔ Cooling water flow verification

2. Precision Maintenance Schedule

• Weekly: Bearing clearances
• Monthly: Structural integrity checks
• Annual: Full component replacement

3. Surface Restoration

Professional grinding maintains:

• ◉ Roll concentricity (±0.005mm)
• ◉ Surface roughness (Ra ≤0.2μm)
• ◉ Optimal crown profiles

Pro Tips for Longevity

• ★ Use laser alignment tools monthly
• ★ Maintain 40-60% humidity in storage
• ★ Train staff in thermal imaging analysis

Backup roll surface grinding、Mill roll defect prevention、Support roller alignment