Method for determining the size and location of heads (for...

Details Method for determining the size and location of heads (for... Method for determining the size and location of heads (for...

G - Physics

01

B

354/25

G01B 11/00 (2006.01) B65B 25/14 (2006.01) B65B 57/00 (2006.01) G01B 11/02 (2006.01)

Patent

CA 2000602

This publication discloses a method for the determination of size and location of end heads (1) in a roll wrapper. According to the method, the end head (1) is transferred by means of a pickup arm (4) over photocells (2, 3) and the instants of photocell output signal changes are measured. The distances between the intersect points (A, A', B, B') are determined on the basis of the obtained intersect times and the speed of the end head (1), and the size and location of the end head (1) are then determined on the basis of the obtained intersect distances and the distance between the photocells (2, 3). The obtained measurement results are used for controlling the end heading machine.

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