Roll Shaft Parallelism Deviation Causing Strip Tracking Deviation

Deyang, Sichuan, China - September 21, 2026 Understanding the Problem In cold roll forming, strip tracking deviation — where the metal strip gradually drifts sideways as it passes through the forming stands — is one of the most common causes of edge damage, dimensional inconsistency, and unplanned downtime. While operators often first suspect strip camber, uneven tension, or guide misalignment, a frequently overlooked root cause is roll shaft parallelism deviation: a condition where