Machine control gage system performing roundness measuring function

A machine control gage system which measures a size of a workpiece rotated by a rotating-driving device after a machining device machines the workpiece, performs a roundness measuring function, and performs one of determination whether the workpiece is defective or not in accordance with measurement data and feed-back of the measurement data to the machining device, the machine control gage system comprising:

• at least three radius data measuring devices which measure radius data corresponding to rotational angles of the workpiece by measuring the size of the workpiece at at least three points, axes of the at least three radius data measuring devices intersecting with each other at a single point;
• a cancellation-calculating device which calculates and cancels a rotational error of the workpiece in accordance with measured values measured by the at least three radius data measuring devices at the at least three points;
• a storing device which stores the radius data measured by the at least three radius data measuring devices;
• and
• a roundness calculating device which analyzes roundness of the workpiece in accordance with the radius data stored in the storing device to calculate the roundness of the workpiece.

A machine control gage system which measures a size of a workpiece rotated by a rotating-driving device after a machining device machines the workpiece and performs one of determination whether the workpiece is defective or not in accordance with measurement data and feed-back of the measurement data to the machining device, the machine control gage system comprising:

• a radius data measuring device which measures radius data corresponding to rotational angles of the workpiece;
• a storing device which stores the radius data measured by the radius data measuring device;
• and
• a roundness calculating device which analyzes roundness of the workpiece in accordance with the radius data stored in the storing device to calculate the roundness of the workpiece,
• wherein the machine control gage system performs a roundness measuring function, and
• the radius data measuring device measures the size of the workpiece at at least three points, and comprises a cancellation-calculating device which cancellation-calculates a rotational error of the workpiece in accordance with measured values measured by the radius data measuring device at the at least three points;
• further comprising a determining device which compares the roundness calculated by the roundness calculating device with a preset maximum and determines that the workpiece is defective when the roundness is more than the preset maximum.

A machine control gage system which measures a size of a workpiece rotated by a rotating-driving device after a machining device machines the workpiece and performs one of determination whether the workpiece is defective or not in accordance with measurement data and feed-back of the measurement data to the machining device, the machine control gage system comprising:

• a radius data measuring device which measures radius data corresponding to rotational angles of the workpiece;
• a storing device which stores the radius data measured by the radius data measuring device;
• and
• a roundness calculating device which analyzes roundness of the workpiece in accordance with the radius data stored in the storing device to calculate the roundness of the workpiece,
• wherein the machine control gage system performs a roundness measuring function,
• the radius data measuring device measures the size of the workpiece at at least three points, and comprises a cancellation-calculating device which cancellation-calculates a rotational error of the workpiece in accordance with measured values measured by the radius data measuring device at the at least three points;
• and
• the roundness calculating device comprises a frequency-analyzing device which frequency-analyzes the radius data stored in the storing device.

A machine control gage system which measures a size of a workpiece while a machining device machines the workpiece, performs a roundness measuring function, and commands the machining device to stop machining when the measured size of the workpiece reaches a preset size, the machine control gage system comprising:

• at least three radius data measuring devices which measure radius data corresponding to rotational angles of the workpiece by measuring the size of the workpiece at at least three points, axes of the at least three radius data measuring devices intersecting with each other at a single point;
• a cancellation-calculating devices which calculates and cancels a rotational error of the workpiece in accordance with measured values measured by the at least three radius data measuring devices at the at least three points;
• a storing device which stores the radius data measured by the at least three radius data measuring devices;
• and
• a roundness calculating device which analyzes roundness of the workpiece in accordance with the radius data stored in the storing device to calculate the roundness of the workpiece.

A machine control gage system which measures a size of a workpiece while a machining device machines the workpiece and commands the machining device to stop machining when the measured size of the workpiece reaches a preset size, the machine control gage system comprising:

• a radius data measuring device which measures radius data corresponding to rotational angles of the workpiece;
• a storing device which stores the radius data measured by the radius data measuring device;
• and
• a roundness calculating device which analyzes roundness of the workpiece in accordance with the radius data stored in the storing device to calculate the roundness of the workpiece,
• wherein the machine control gage system performs a roundness measuring function and
• wherein the radius data measuring device measures the size of the workpiece at at least three points, and comprises a cancellation-calculating device which cancellation-calculates a rotational error of the workpiece in accordance with measured values measured by the radius data measuring device at the at least three points;
• further comprising a determining device which compares the roundness calculated by the roundness calculating device with a preset maximum and determines that the workpiece is defective when the roundness is more than the preset maximum.

A machine control gage system which measures a size of a workpiece while a machining device machines the workpiece and commands the machining device to stop machining when the measured size of the workpiece reaches a preset size, the machine control gage system comprising:

• a radius data measuring device which measures radius data corresponding to rotational angles of the workpiece;
• a storing device which stores the radius data measured by the radius data measuring device;
• and
• a roundness calculating device which analyzes roundness of the workpiece in accordance with the radius data stored in the storing device to calculate the roundness of the workpiece,
• wherein the machine control gage system performs a roundness measuring function,
• wherein the radius data measuring device measures the size of the workpiece at at least three points, and comprises a cancellation-calculating device which cancellation-calculates a rotational error of the workpiece in accordance with measured values measured by the radius data measuring device at the at least three points;
• and
• wherein the roundness calculating device comprises a frequency-analyzing device which frequency-analyzes the radius data stored in the storing device.