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English to Portuguese translations [Non-PRO] Tech/Engineering - Engineering (general)
English term or phrase:english wheel
The English Wheel (or Wheeling Machine - British English usage), is typically a manually operated metalworking apparatus that allows a craftsman to form smooth, compound curves from flat sheets of metal, such as aluminum or mild steel.The machine is shaped like a large, closed letter "C". At the ends of the C, there are two wheels. The wheel on the top is called the rolling wheel, while the wheel on the bottom is called the anvil wheel. (Some references refer to the wheels by their position: upper wheel and lower wheel.) The anvil wheel usually has a smaller radius than the rolling wheel. Although larger machines exist, the rolling wheel is usually 8 cm (3 inches) wide or less, and usually 25 cm (9 inches) in diameter, or less.
The rolling (top) wheel is flat in cross section, while the anvil (bottom) wheel is domed.