English Wheel

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Function

The English wheel is a hand operated machine for shaping sheet metal. The sheet metal is squeezed between a top wheel and a bottom wheel and rolled back and forth, which gradually stretches and thins the metal. Through this process it is possible to produce compound curves and radii not possible with a slip roll or press brake, with a smoother surface finish than hammering. The English wheel can also be used for planishing, bending, flanging, bead rolling, and embossing.

Safety

Pinch points are the primary safety hazard of the English wheel. The user must be careful never to put their hands or fingers between the wheels.

Maintenance

All wheels must be kept polished, and free of any dirt, grease, oil, or debris. Before placing any metal in the English wheel, it must be completely clean and de-greased, and all burrs, slag, mill scale, rust, paint, or coatings must be removed. Here is an efficient method for polishing the wheels.

Metal Selection

The most common metals used in the English wheel are mild carbon steel, aluminum, stainless steel, copper and brass. Some metals may benefit from annealing, such as copper and aluminum. The maximum recommended thickness for mild carbon steel is 16 gauge (.0625), but the ideal thicknesses are 18-20 gauge for nearly all applications. The thicker and harder the material, the more effort it will take to shape.