| 摘要 |
A tool path display apparatus (20) includes a tool coordinate value calculation unit (22) that calculates tool commanded coordinate values and tool actual coordinate values, based on commanded value time series data of position commands for a plurality of axes, detected value time series data of position detected values for the plurality of axes, and the structure of a machine tool, an acceleration calculation unit (23) that calculates accelerations of a tip point of a tool using the tool commanded coordinate values and the tool actual coordinate values, and a display format selection unit (24) that selects display formats of the accelerations of the tool commanded coordinate values and the tool actual coordinate values. |
| 主权项 |
1. A tool path display apparatus of a machine tool, the tool path display apparatus configured for displaying a path of a tip point of a tool of the machine tool, the machine tool configured for controlling a position and posture of at least one of the tool and a workpiece by a plurality of drive axes using a numerical control apparatus, the tool path display apparatus comprising:
a command generation unit configured to generate position commands for the plurality of drive axes per predetermined control cycle; position detectors that are attached to each of the plurality of drive axes and configured to detect a position of each of the plurality of drive axes per predetermined control cycle; a position data acquiring unit configured to
aquire the position commands generated by the command generation unit per predetermined control cycle, as commanded value time series data, andaquire position detected values detected by the position detectors per predetermined control cycle, as detected value time series data; a tool coordinate value calculation unit configured to
calculate a tool commanded coordinate value of the tip point of the tool, in association with the commanded value time series data, based on the commanded value time series data and a structure of the machine tool, andcalculate a tool actual coordinate value of the tip point of the tool, in association with the detected value time series data, based on the detected value time series data and the structure of the machine tool; an acceleration calculation unit configured to
calculate an acceleration or a jerk of the tip point of the tool using at least three pieces of data of the tool commanded coordinate values, andcalculate the acceleration or the jerk of the tip point of the tool using at least three pieces of data of the tool actual coordinate values; and a display format selection unit configured to select display formats of the accelerations or the jerks of the tool commanded coordinate values and the tool actual coordinate values constituting the path of the tip point of the tool, wherein the display format selection unit is configured to perform at least one of:
vector display to display the accelerations or the jerks as acceleration vectors or jerk vectors on the path of the tip point of the tool; andconnection display to display a connection that connects between end points of neighboring acceleration vectors or jerk vectors, and the tool path display apparatus further comprises a display unit configured to display the accelerations or the jerks, with the path of the tip point of the tool, in accordance with the display formats selected by the display format selection unit. |
