Boots – shoes – and leggings
Patent
1984-11-28
1987-01-06
Ruggiero, Joseph
Boots, shoes, and leggings
340709, 364171, 364474, 318568, G06F 1546, G05B 1918
Patent
active
046351850
DESCRIPTION:
BRIEF SUMMARY
CROSS-REFERENCE TO RELATED APPLICATION
This application is related to my U.S. application Ser. No. 682,008, filed Nov. 28, 1984.
BACKGROUND OF THE INVENTION
This invention relates to a machining area specifying method for an automatic programming system for creating an NC tape (NC data). More specifically, the invention relates to a machining area specifying method well-suited for application when specifying a portion of a closed path.
A variety of automatic programming units have recently been put into practical use for the purpose of creating NC tapes (NC data) in a simple manner. With these automatic programming units, path data specifying a path can be simply created.
There are cases where it is desired to partially machine solely a portion of a closed path created by automatic programming, or to machine a portion of the closed path under one set of machining conditions, and a remaining portion of the closed path upon changing the machining conditions thereof. Although it is necessary to specify a portion of the closed path in cases such as these, the specifying operation cannot be performed in a simple manner in the prior art.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide a machining area specifying method for an automatic programming system whereby a portion of a closed path can be specified through a simple operation.
Another object of the present invention is to provide a machining area specifying method for an automatic programming system whereby a closed path is displayed on a display screen so that a portion thereof can be specified.
Still another object of the present invention is to provide a machining area specifying method for an automatic programming system, wherein a cursor is movably displayed along a closed path which appears on a display screen, and a portion of the closed path is specified by the position at which the cursor is displayed.
The present invention provides a machining area specifying method which includes displaying a closed path trajectory comprising a number of path blocks on a display screen by using path data prepared beforehand, entering first and second points on the closed path, thereafter indicating by a cursor one of a point on a first path and a point on a second path which are connected to the first and second points, and specifying an area to be machined by operating a machining area input switch when the point on the first path is being indicated by the cursor in a case where the first path is to be machined, and operating the machining area input switch when the point on the second path is being indicated by the cursor in a case where the second path is to be machined.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a diagram of a path trajectory;
FIG. 2 is a block diagram of an embodiment of a circuit for carrying out the method of the present invention;
FIG. 3 is a side view of an operator panel;
FIG. 4 is a flowchart for the processing performed by the processor 103 of FIG. 2; and
FIG. 5 is a block diagram of the cursor pointer 105i of FIG. 2.
DESCRIPTION OF THE PREFERRED EMBODIMENT
In FIG. 1, P.sub.1 .fwdarw.P.sub.2 .fwdarw.P.sub.3 . . . .fwdarw.P.sub.16 .fwdarw.P.sub.1 represents a closed path trajectory. The closed path trajectory is displayed on a display unit 105 by using path data previously created and stored in a memory 101 (FIG. 2).
When a mode selection switch 102a (FIG. 3) on an operator panel 102 is set to a machining area input mode and a start button 102b is pressed, a processor 103 executes processing for closed path trajectory display under the control of a control program stored in a ROM 104. Specifically, the processor 103 initializes a variable k to zero by the following operation: block at a time in successive fashion, converts the path data read into picture information which is then stored in a RAM 106, and then, following the conversion processing, applies the picture information (data indicating the distinction between straight lines and circular arcs, as well as starting points and end points
REFERENCES:
patent: 3757095 (1973-09-01), Kiwiet
patent: 4490781 (1984-12-01), Kishi et al.
patent: 4495491 (1985-01-01), Postl
patent: 4530046 (1985-07-01), Munekata et al.
patent: 4530061 (1985-07-01), Henderson et al.
Kishi Hajimu
Takegahara Takashi
Tanaka Kunio
Fanuc Ltd.
Ruggiero Joseph
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