A display control system for displaying and controlling a screen, including: a first display instruction means that instructs the screen to display a first mode of the first machine tool; a second display instruction means that instructs the screen to display a second mode of the second machine tool; a third display instruction means that instructs the screen to display an image captured by the camera; and a control means that displays and controls, in response to receiving input of tool related information regarding a tool in the first mode, an image regarding the tool related information, which is obtained from the camera. The tool related information includes any one of a tool number, a pot number of a magazine accommodating the tool, a station number of a turret to which the tool is attached, and a tool correction value.

Disclosed is a position controller for a tilting head in a machining center. The position controller includes an offset attachment having a body combined to the tilting head and a spherical contact secured to the body, an offset detector built in the machining center such that the offset detector move out into a process area of the machining center and automatically detects a tool offset from a contact point with the spherical contact, a storing unit individually storing first and second tool offsets by respective rotation positions of the tilting head, and an operator generating a transform offset of the first tool offset by a rotational transform and a center error vector from the transform offset and the second tool offset. Accordingly, the center error of the tilting head is automatically detected and corrected in the machining center.

The invention relates to a method for machining a workpiece by means of a chip-removing tool on a numerically-controlled machine tool, in which the tool is moved relative to the workpiece along tool paths that are formed by means of a sequence of supporting points N, wherein the bounding volume that is produced during the rotation of the tool essentially comprises a point contact in a point of contact with the desired surface of the workpiece when machining the workpiece, and that in addition to the data relating to the supporting point N the data relating to the respective point of contact of the bounding volume with the desired surface of the workpiece are determined and that the tool path is optimized on the basis of the data relating to the point of contact.

A numerical control apparatus for controlling a tool attached to a column of a machine tool includes a compensation data setting unit that sets, as selection input, a linear drive axis combination of the column, a tilt direction of the column, and a perpendicularity error of the column, and a compensation amount calculation unit that generates a tool vector from a tool length as a distance in an axial direction from a tool attachment position to a tool tip end and a tool diameter as a distance in a direction perpendicular to the axial direction from the tool attachment position to the tool tip end to calculate a position compensation amount of the tool tip end as a machining point in an execution program from the linear drive axis combination of the column, the tilt direction of the column, and the perpendicularity error of the column set by the compensation data setting unit and the tool vector.

A method and system for aggregate programming a computer numerical control (CNC) machine that includes (a) shifting a control point from an aggregate base point to a center tip of a tool being programmed, thereby enabling tool length and diameter adjustment along with C-axis aggregate rotation during a machine activity. The shifting includes (i) activating a tilted work plane (TWP); and (ii) shifting the control point to the tip of the tool using a tool length compensation. The system and method also include (b) implementing an activity on the CNC machine using the shifted control point and C-axis aggregate rotation. In some cases, activating the TWP comprises using a special machine control code such as g-code G68.2. In some cases, shifting the control point to the tip of the tool using a tool length compensation comprises using a special machine control code such as g-code G43.

A cutting processing machine (1) includes an NC device (200). The NC device (200) includes a tool radius compensation amount calculator (201), a processing trace calculator (202), and a driving controller (203). In a case where a processing condition (CP) includes cutting tool change information set with a change of a tool trace (TP) during cutting processing and set such that, in a case where the tool trace (TP) is changed, a control center point (CL) is fixed relative to a surface to be processed of a final processed product, the tool radius compensation amount calculator (201) recognizes a plurality of tool traces (TP) included in the cutting tool change information and generates tool radius compensation information (TC) that includes the plurality of tool traces (TP), positions formed with a surface to be processed (MPL), the control center point (CL), and tool radius compensation values (MVL). The processing trace calculator (202) generates a tool radius compensation control signal (TS).

A workpiece machining device includes a positional deviation correction unit configured to correct a positional deviation of a radius end mill by detecting a positional deviation between a real contour line and an ideal contour line of the radius end mill. The positional deviation correction unit calculates a first correction value configured to make a center of a first arc section formed into an arc shape at a corner portion of the ideal contour line and a center of a second arc section formed into an arc shape at a corner portion of the real contour line to be identical to each other in a plane perpendicular to the rotational axis, and corrects a machining point by the radius end mill using the first correction value.

In a method for 3D radius correction in CNC milling, a mill path of an original milling tool producing a surface contour on a workpiece is calculated for an original milling tool based on dimensions of the mill cutter tip, with the positions of the mill cutter tip specified by an NC program. A surface normal of an end face milling surface and a surface normal of a circumferential milling surface are then specified, for each position of the mill cutter tip taking into account dimensional differences between an actually available milling tool and the original milling tool. By specifying along the mill path a spatial orientation of the milling tool axis, a correction vector is specified from the milling tool orientation, dimensional differences and the surface normals, and the workpiece is machined by traversing the mill path with the actual milling tool under consideration of the correction vector.

A numerical control apparatus for controlling a tool attached to a column of a machine tool includes a compensation data setting unit that sets, as selection input, a linear drive axis combination of the column, a tilt direction of the column, and a perpendicularity error of the column, and a compensation amount calculation unit that generates a tool vector from a tool length as a distance in an axial direction from a tool attachment position to a tool tip end and a tool diameter as a distance in a direction perpendicular to the axial direction from the tool attachment position to the tool tip end to calculate a position compensation amount of the tool tip end as a machining point in an execution program from the linear drive axis combination of the column, the tilt direction of the column, and the perpendicularity error of the column set by the compensation data setting unit and the tool vector.

A cutting processing machine includes a processing machine body and an NC device. The NC device includes a tool diameter correction amount calculator, a processing trace calculator and a driving controller. The processing machine body includes a processing unit and a tool trace controller. In a case where, as a processing condition, an offset amount between a control center point of a tool trace and a center point of a nozzle is set, the processing trace calculator generates a tool trace control signal for causing the control center point to be displaced relative to the center point of the nozzle by the offset amount in a predetermined direction. The processing machine body controls the tool trace based on the tool trace control signal such that the control center point is displaced relative to the center point of the nozzle in the predetermined direction.