Electricity: motive power systems – Positional servo systems – Program- or pattern-controlled systems
Patent
1994-08-15
1998-09-15
Shoop, Jr., William M.
Electricity: motive power systems
Positional servo systems
Program- or pattern-controlled systems
318600, 318567, 318574, G05B 1918
Patent
active
058084347
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a numerical control apparatus for controlling a machine tool, and more specifically, to a numerical control apparatus for controlling the operation of a machine tool by entering various data from a machine control console.
BACKGROUND ART
Advances in the technology of numerical controlled machine tools have been so great that they can machine workpieces of complex shape at high speed with precision. At present, workpieces having complex shapes cannot be machined without numerically controlled machine tools.
To generate machining programs, there are widely used interactive numerical control apparatuses which comprise a numerical control apparatus with an interactive program generating function, and an automatic programming apparatus for simply generating complex machining programs.
In the use of such a numerical control apparatus, it is necessary to accurately define machine coordinates, a machine origin, program coordinates, and other data for generating strict machining programs. Although the interactive numerical control apparatus and the automatic programming apparatus can be used for machining a number of workpieces, for some machining processes for producing a prototype or a model, general-purpose milling machines, lathes or the like are used which require a short period of time to carry out preparatory action such as attachment and detachment of workpieces, installation of tools, etc., and do not require machining programs to be generated.
Problems of general-purpose machine tools are that recently the number of available operators which can handle general-purpose machine tools is becoming smaller, and it is difficult for the general-purpose machine tools to carry out complicated machining such as oblique linear machining, arcuate machining, or the like, though they can effect linear machining without any problem.
Generally used numerically controlled machine tools include an input command panel and a machine control panel as input panels, for accurately defining the machine coordinates, the machine origin and the like. The input command panel has command keys through which commands can be entered to input and display NC command data, to set and display amounts of offset of a tool position and to display various alarm signals, etc. The machine control panel has command keys through which commands can be entered to store a result of a test cutting operation effected manually in the numerical control apparatus and to carry out an automatic operation and the like.
The operator has been able to control the operation of a machine tool at will by the use of the above input panels. For example, when the operator generates an application program by using a function provided for the numerical control apparatus, the operation of the machine tool can be controlled by detecting only the commands entered through the machine control panel.
In the above application program, however, commands entered through the input command panel cannot be detected. Further, since the input command panel includes all the command keys necessary to carry out data input and the like, a problem arises in that operability is lowered.
DISCLOSURE OF THE INVENTION
Taking the above into consideration, an object of the present invention is to provide a numerical control apparatus having an input panel including the number of command keys corresponding to an application program.
To solve the above problems, according to the present invention, there is provided a numerical control apparatus for controlling a machine tool having at least two axes, comprising input means having at least two command input panels for entering command data for controlling the operation of the machine tool, application execution means for receiving and storing the command data, executing a generated application program and outputting a pulse signal for commanding the operation of the machine tool such as the movement of a tool, and the like, and interpolation means for outputting an interpolation pulse in respo
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Jinnai Minoru
Kokura Masuo
Fanuc Ltd.
Masih Karen
Shoop Jr. William M.
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