Press brakes are equipped with either manual or electric crowning (compensation) systems to ensure consistent bending accuracy across the entire length of the workpiece by offsetting machine deflection during the bending process.

Manual Compensation:
Manual crowning relies on mechanical adjustment by the operator to correct for the natural deflection of the machine frame under load. This method is cost-effective and suitable for basic bending tasks, but it requires manual calibration and experience. It may result in variations in accuracy, especially when dealing with thicker materials or longer bending lengths.

Electric crowning utilizes servo motors or hydraulic systems, combined with sensors and CNC control, to automatically adjust the compensation based on the actual bending force and material thickness. It ensures precise and uniform angles across the full length of the workpiece, even during continuous or complex operations. This enhances bending quality, reduces setup time, minimizes material waste, and improves overall production efficiency.

In summary, while manual compensation is sufficient for simpler tasks, electric compensation offers superior performance, consistency, and automation for demanding production environments.