1. ±0.2mm Synchronization Accuracy: Electronic balance control of the work rolls ensures no deviation during long-term rolling, with a roundness error ≤1mm.<br/> 2. One-time Forming ≤2 minutes: CNC fully automatic rolling, no need for reversing (four-roll), increasing production efficiency by 50%–80% compared to three-roll.<br/> 3. Minimal Residual Straight Edge After Pre-bending: The four-roll structure includes pre-bending, eliminating the need for auxiliary equipment or sheet metal reversin...
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