Patent ID: 8136434
Filing Date: 2012-03-20
Classification: B23D,B23Q,B26D,B27B,G05B,Y10T

Abstract:
1. A cutting-off machine for logs of web material comprising a cutting blade for cutting logs of web material, a motorization for moving the cutting blade toward a log to be cut, and a control device for the cutting blade, characterized in that the control device comprises: a measuring device able to measure a deformation value on at least a portion of said cutting blade, a first comparison device to compare the deformation value measured by said measuring device with a first threshold deformation value, a second comparison device to compare the deformation value measured by said measuring device with a second threshold deformation value, and an actuator to send, according to an input signal coming from said first comparison device, a control signal to said motorization to stop said motorization for moving the cutting blade toward the log, and to send, according to an input signal coming from said second comparison device, a control signal to said motorization to start up said motorization for moving the cutting blade toward the log.