Processing system, measuring probe, shape measuring device, and program

A shape calculation system comprising:

• a measuring unit that is configured to be attached to a machine tool and generates measurement information for calculating a shape of a processing object of the machine tool;
• an acquisition unit that acquires, as information related to a position of the measuring unit at a time of measuring the processing object, positional information generated by the machine tool and a generation period signal indicating a period during which the positional information is generated;
• an acquisition interval calculation unit that calculates a statistical value indicating an interval between acquisition periods regarding a plurality of the generation period signals acquired by the acquisition unit;
• an estimation unit that estimates the period during which the positional information is generated on the basis of the statistical value calculated by the acquisition interval calculation unit;
• and
• a shape calculation unit that calculates the shape of the processing object on the basis of the measurement information, the positional information, and the period estimated by the estimation unit.

A shape measuring probe which is configured to be attached to a machine tool, the shape measuring probe comprising:

• a measuring unit that generates measurement information of a processing object of the machine tool by capturing an image of the processing object;
• an acquisition unit that acquires, as information related to a position of the shape measuring probe at a time of measuring the processing object, positional information generated by the machine tool and a generation period signal indicating a period during which the positional information is generated;
• an acquisition interval calculation unit that calculates a statistical value indicating an interval between acquisition periods regarding a plurality of the generation period signals acquired by the acquisition unit;
• an estimation unit that estimates the period during which the positional information is generated on the basis of the statistical value calculated by the acquisition interval calculation unit;
• and
• an output unit that outputs the measurement information, the positional information, information related to the period estimated by the estimation unit, and the measurement information.

A shape calculation device comprising:

• a measurement information acquisition unit that acquires measurement information for calculating a shape of a processing object of a machine tool generated by a measuring unit which is configured to be attached to the machine tool;
• a positional information acquisition unit that acquires, as information related to a position of the measuring unit at a time of measuring the processing object, positional information generated by the machine tool;
• a signal acquisition unit that acquires a generation period signal indicating a period during which the positional information is generated from the machine tool;
• an acquisition interval calculation unit that calculates a statistical value indicating an interval between acquisition periods regarding a plurality of the generation period signals acquired by the acquisition unit;
• an estimation unit that estimates the period during which the positional information is generated on the basis of the statistical value calculated by the acquisition interval calculation unit;
• and
• a shape calculation unit that calculates the shape of the processing object on the basis of the measurement information, the positional information, and the period estimated by the estimation unit.

A shape measurement method comprising:

• acquiring measurement information for calculating a shape of a processing object of a machine tool output by a measuring unit which is configured to be attached to the machine tool;
• acquiring, as information related to a position of the measuring unit at a time of measuring the processing object, positional information generated by the machine tool;
• acquiring, as a signal indicating a period during which the positional information is generated, a generation period signal generated by the machine tool;
• calculating a statistical value indicating an interval between acquisition periods regarding a plurality of the acquired generation period signals;
• estimating the period during which the positional information is generated on the basis of the calculated statistical value;
• and
• calculating the shape of the processing object on the basis of the acquired measurement information, the acquired positional information, and the estimated period.

A non-transitory computer-readable recording medium on which is stored a program that causes a computer to execute

• acquiring measurement information for calculating a shape of a processing object of a machine tool, the measurement information output by a measuring unit which is configured to be attached to the machine tool;
• acquiring, as information related to a position of the measuring unit at a time of measuring the processing object, positional information generated by the machine tool;
• acquiring, as a signal indicating a period during which the positional information is generated, a generation period signal generated by the machine tool;
• calculating a statistical value indicating an interval between acquisition periods regarding a plurality of the acquired generation period signals;
• estimating the period during which the positional information is generated on the basis of the calculated statistical value;
• and
• calculating the shape of the processing object on the basis of the acquired measurement information, the acquired positional information, and the estimated period.

A method for producing a processing object, the method comprising:

• generating measurement information for calculating a shape of the processing object by a measuring unit which is configured to be attached to a machine tool;
• generating positional information related to a position of the measuring unit at a time of measuring the processing object;
• acquiring a generation period signal indicating a period during which the positional information is generated;
• calculating a statistical value indicating an interval between acquisition periods regarding a plurality of the acquired generation period signals;
• and
• calculating the shape of the processing object on the basis of the acquired measurement information, the acquired positional information, and the estimated period.