Which machine is best suited for forming small hems, flanges, and seams up to 1 inch?

The bar folder is the optimal choice for forming small hems, flanges, and seams up to 1 inch due to its design and functionality. It features a set of adjustable arms that allow for precise folding of sheet metal, making it well-suited for creating small, accurate bends required in various fabrications.

Bar folders are particularly effective when working with thinner gauge materials where precision is key, allowing the operator to achieve clean and accurate folds without excessive force. This is crucial when forming hems, which require a neat edge to prevent fraying and ensure proper assembly with other components.

Other machines mentioned may have their uses but lack the specificity for small-scale folds. The rotary machine is generally better for continuous bending processes, the cornice brake is more suited for larger bends and heavier materials, and the hydraulic press is designed for heavier-duty applications where greater force is necessary, making them less ideal for tasks requiring precision in smaller formats.