AUTOMATIC SHEARING METHOD AND APPARATUS

摘要

The method of power shearing sheet material to trim it into finished blanks of various desired final dimensions, comprises the steps of positioning the sheet in a suitable cutting position by turning and sliding said sheet, power driving of said sheet by feed effects acting alternatively in the x-axis and y-axis directions with respect to the sheet, power driving of said sheet simultaneously by a constant counter-force acting in selected directions in order to counter-balance the feed effects.