Coil leveling is crucial in metal processing to ensure high-quality output. The process is typically executed using a leveling machine equipped with leveling rollers of varying diameters. However, challenges arise when dealing with wide materials, often resulting in curved rather than flat coils. This issue is especially prevalent with diagonally distorted coils, complicating the leveling process. To overcome such shortcomings and enhance leveling accuracy, auxiliary leveling roller groups come into play, particularly when material width exceeds 300mm.

Enhancing Leveling Precision

Auxiliary leveling rollers, also referred to as leveling machine reinforcement devices, play a pivotal role in addressing curvature issues. These rollers feature upper and lower axes deliberately positioned in a staggered arrangement along the vertical axis. Such positioning reinforces the support provided to the leveling rollers, effectively curbing deformation tendencies. By exerting increased downward pressure during leveling, these auxiliary rollers ensure the successful leveling of various irregular coils.

Structural Features

The design of auxiliary leveling rollers incorporates several key structural elements for optimal functionality. The rollers’ ends are encased within roller sliders, which are part of an adjusting device mechanism. These sliders smoothly glide within grooves present on roller brackets, facilitating vertical adjustments. Connected to the roller sliders are adjusting rods, with springs threaded onto them. The opposite ends of these springs abut against the shoulder of the adjusting wheel shaft, ensuring stability. Notably, the adjusting wheel features a calibration ring, firmly positioned between the wheel and the upper template, bolstered by a calibration ring pad fixed underneath. This intricate setup, complemented by snap rings and bearings, enables precise adjustments to achieve desired leveling outcomes.

Operational Workflow

When employing a leveling machine equipped with auxiliary leveling rollers, the leveling process unfolds in a systematic manner. Initially, the coil undergoes primary leveling via upper and lower rollers fixed on the roller bracket. Subsequently, it advances to the auxiliary leveling rollers for further refinement. Should the coil exhibit residual curvature, the adjusting device affixed to the upper template comes into play. Adjustment entails rotating the adjusting wheel, initiating a cascading effect facilitated by the interconnected components. As the wheel rotates, the spring-driven adjustment rods trigger vertical movements, thereby altering the relative positions of the auxiliary leveling roller ends. This meticulous adjustment process culminates in achieving comprehensive coil leveling.


In conclusion, auxiliary leveling rollers represent a critical component in the quest for precise coil leveling. By strategically supplementing the capabilities of leveling machines, these rollers effectively mitigate curvature issues, ensuring the production of flat, high-quality coils. Their structural integrity, coupled with a streamlined operational workflow, underscores their significance in metal processing applications, ultimately optimizing productivity and output quality.

Coil Leveling
Coil Leveling