Patent ID: 6553803
Filing Date: 2003-04-29
Classification: G01B,Y10S

Abstract:
A method for determining the bending angle of a work piece that is going to be or has been bent by means of a bending apparatus comprising a punch means and a die means cooperating with said punch means and having two unbending edge means, the method comprising the steps of:providing indirectly operating detection means in at least two different locations on said die means; operating said detection means to detect the position of at least one leg of the work piece to be bent with regard to the position of said die means and to output position data representing the detected position; and calculating the bending angle in response to said position data and on the basis of the previously stored reference data, the position of said at least one leg of the work piece to be bent being detected both above and below said bending edge means of said die means.