Numerical controller and numerical control method

2:

• The numerical controller according to claim 1, wherein
• the rotation angle is a rotation angle of a rotation axis of the machine tool.

3:

• The numerical controller according to claim 2, further comprising a transformation information calculator to calculate coordinate transformation information for transforming a coordinate value in the machining program into a coordinate value in a coordinate system of the machine tool on a basis of the polarity information and the rotation angle, wherein
• the coordinate transformer transforms a coordinate value in the machining program into a coordinate value in a coordinate system of the machine tool by using the coordinate transformation information and the polarity information.

4:

• The numerical controller according to claim 3, further comprising a setter to set the polarity information on a basis of at least one of the movement direction and the rotation direction, wherein
• the transformation information calculator calculates the coordinate transformation information on a basis of the polarity information set by the setting-unit setter.

5:

• The numerical controller according to claim 4, wherein
• the setter sets polarity information on the rotation axis after setting polarity information on the linear axis of the machine tool.

6:

• The numerical controller according to claim 1, further comprising a selector to select specific polarity information corresponding to an operation of the machine tool from a plurality of pieces of the polarity information, wherein
• the analyzer extracts a combination of axes corresponding to the operation from the machining program, and
• the selector selects the specific polarity information on a basis of the combination of axes.

7:

• The numerical controller according to claim 1, wherein
• the coordinate value in the machining program is a coordinate value of an inclined plane coordinate system that is a coordinate system relative to an inclined plane.

9:

• The numerical controller according to claim 2, further comprising a selector to select specific polarity information corresponding to an operation of the machine tool from a plurality of pieces of the polarity information, wherein
• the analyzer extracts a combination of axes corresponding to the operation from the machining program, and
• the selector selects the specific polarity information on a basis of the combination of axes.

10:

• The numerical controller according to claim 3, further comprising a selector to select specific polarity information corresponding to an operation of the machine tool from a plurality of pieces of the polarity information, wherein
• the analyzer extracts a combination of axes corresponding to the operation from the machining program, and
• the selector selects the specific polarity information on a basis of the combination of axes.

11:

• The numerical controller according to claim 2, wherein
• the coordinate value in the machining program is a coordinate value of an inclined plane coordinate system that is a coordinate system relative to an inclined plane.

12:

• The numerical controller according to claim 3, wherein
• the coordinate value in the machining program is a coordinate value of an inclined plane coordinate system that is a coordinate system relative to an inclined plane.

13:

• The numerical controller according to claim 4, wherein
• the coordinate value in the machining program is a coordinate value of an inclined plane coordinate system that is a coordinate system relative to an inclined plane.

14:

• The numerical controller according to claim 5, wherein
• the coordinate value in the machining program is a coordinate value of an inclined plane coordinate system that is a coordinate system relative to an inclined plane.

15:

• The numerical controller according to claim 6, wherein
• the coordinate value in the machining program is a coordinate value of an inclined plane coordinate system that is a coordinate system relative to an inclined plane.

16:

• The numerical controller according to claim 9, wherein
• the coordinate value in the machining program is a coordinate value of an inclined plane coordinate system that is a coordinate system relative to an inclined plane.

17:

• The numerical controller according to claim 10, wherein
• the coordinate value in the machining program is a coordinate value of an inclined plane coordinate system that is a coordinate system relative to an inclined plane.