Boots – shoes – and leggings
Patent
1991-08-19
1994-08-09
Ruggiero, Joseph
Boots, shoes, and leggings
36447426, G06F 1546, G05B 1918
Patent
active
053372492
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a method used in a numerical control apparatus for displaying objects such as the shapes of materials and tools contained in machining programs for numerical control apparatuses, and more particularly to a method used in numerical control apparatuses for displaying objects which are moved together with the servo axis during a machining simulation.
2. Description of the Related Art
Some numerical control apparatuses to control machine tools display animation of a simulation of machining by machine tools on a CRT screen connected thereto, based on the shapes of the materials and tools contained in the machining programs. However, in conventional simulation, numerical control apparatuses can display only the movements of tools for machining materials on the display screen.
The following is a description of a conventional machining simulation, with reference to the drawings. FIGS. 4 and 5 illustrate display screens of a conventional numerical control apparatus. a tool shape 3. The material shape 2, one end of which is fixed by a chuck, rotates in the direction of the C-axis, and the tool shape 3 shifts together with the servo axis in the directions of the X-axis and the Z-axis. Therefore, the shift of the tool shape 3 in the directions of the X-axis and the Z-axis, and the machining thereby of the material shape 2 according to the machining program, is displayed on the display screen 1 as machining simulation. Namely, the tool shape 3 is shifted from the position shown in FIG. 4, in the directions of the X-axis and the Z-axis, to the position shown in FIG. 5. The display of the material shape 2, on the other hand, shows only the rotation thereof in the direction of the C-axis when cut by the tool shape 3 and, the relative positional relationship therebetween on display screen 1 is not changed.
In practice, however, with some actual machine tools such as a compound and a multi-system lathe, the tool and the material shift independently. For example, the tool is shifted in the direction of the X-axis but the material is shifted in the direction of the Z-axis. When a machining is simulated based on a machining program of a numerical control apparatus for controlling such machine tools, as shown in FIGS. 4 and 5, the tool is used to move in the direction of the Z-axis, instead of moving the material in direction of Z-axis, and therefore, a machining movement different from an actual machining movement is simulated by such conventional numerical control apparatuses.
SUMMARY OF THE INVENTION
The present invention has been developed in consideration of such circumstances, and an object thereof is to provide a display method for a numerical control apparatus which is capable of simulating a machining in which the tool and material shapes can be shifted in accordance with the actual movement of the machine tool.
According to the present invention, to solve the above problems, there is provided a display method for a numerical control apparatus for simulating a machining by an animated display of such objects as material shape, tool shape or the like on a display screen, based on control information obtained from the numerical control apparatus, and is characterized in that the display method comprises a step of arbitrarily specifying an object to be shifted on the display screen by combining the object with a servo axis to thereby shift the object.
In practice, with some machine tools, for example, only the tool is moved by the servo axis, or both the tool and a material are moved.
Therefore, an object to be shifted on the display screen can be arbitrarily specified by combining a material shape, tool shape or the like displayed on the display screen of the numerical control apparatus with a servo axis, to shift same by software with which the numerical control apparatus is provided, so that a machining simulation can accurately follow the actual movements of the machine tools.
BRIEF DESCRIPTION OF THE DRAWINGS
FIGS. 1 and 2 a
REFERENCES:
patent: 4633409 (1986-12-01), Sekikawa
patent: 4639855 (1987-01-01), Sekikawa
patent: 4821201 (1989-04-01), Kawamura et al.
patent: 4994977 (1991-02-01), Tsujido
patent: 5150305 (1992-09-01), Sekikawa
Fujita Naoki
Matsumura Teruyuki
Murata Koichi
Fanuc Ltd
Ruggiero Joseph
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