Patent ID: 11921489
Assignee: MITSUBISHI ELECTRIC CORPORATION
Field: Control (Instruments)
Classification: CPC G | IPC G

Claim 11:
12. A numerical control method to machine a workpiece while performing vibration cutting in which a tool and the workpiece are relatively vibrated by driving a first axis to drive the tool or a second axis to drive the workpiece, the method comprising:
adjusting a parameter related to a vibration condition for the vibration cutting during the vibration cutting, based on an amount of cutting load that is generated on the first axis or the second axis and changes during the vibration cutting; and
controlling the vibration cutting using the adjusted parameter, wherein
in the adjusting, when there is a difference between a specified air-cutting amount that is a command value of an air-cutting amount at a time when the tool cuts air with respect to the workpiece during the vibration cutting, and an estimated air-cutting amount that is an estimated value of the air-cutting amount, the parameter is calculated with which the estimated air-cutting amount approaches the specified air-cutting amount.