Abstract: A method for automatically controlling a triggering of a sharpening of the sharp edge of a cutting blade for a cutting machine, includes determining components of a mechanical action torsor at the guiding point of the cutting blade in the blade reference, determining an admissible threshold value for a variable established from the at least one of the components of the mechanical action torsor and based on geometric parameters of the cutting blade and on thickness and material characteristics of the mattress to be cut, monitoring during the cutting of the material variations in amplitude of the variable chosen to determine the threshold value, and automatically triggering an alert to request a sharpening cycle of the sharp edge of the cutting blade as soon as the amplitude of the variable chosen to determine the threshold value reaches said threshold value.

Abstract: The invention relates to a method for determining components of a mechanical action torsor at the guiding point of a cutting blade (L) for a cutting machine, the blade being guided in a presser foot (P) of a cutting head of the machine, the method comprising the positioning of a five-component dynamometer on the presser foot, the dynamometer comprising a plurality of sensors for determining a frontal force, a lateral force, a rolling moment, a pitching moment and a yawing moment of the cutting blade, the establishment of a calibration matrix of the dynamometer, and the determination of the forces in three dimensions to which the cutting blade is subjected, on the basis of the measurements obtained by the sensors and the calibration matrix.

Abstract: A method for determining components of a mechanical action torsor at the guiding point of a cutting blade for a cutting machine, the blade being guided in a presser foot of a cutting head of the machine, such that the method includes the positioning of a five-component dynamometer on the presser foot, the dynamometer comprising a plurality of sensors for determining a frontal force, a lateral force, a rolling moment, a pitching moment and a yawing moment of the cutting blade, the establishment of a calibration matrix of the dynamometer, and the determination of the forces in three dimensions to which the cutting blade is subjected, on the basis of the measurements obtained by the sensors and the calibration matrix.