JPH0596445A - Tool information file creation device in NC device - Google Patents

Abstract

PURPOSE:To register a relatively small amount of tool information as the necessary tool information by introducing a general idea of tool in which an edge tool and a holder are integrally formed. CONSTITUTION:A tool file 10 and a holder file 50 are provided, and when each holder 21 in optimum combination with an edge tool 11 is determined by selecting a holder group, information relating to a form figure and item of a tool 61, built up with the edge tool 11 and the holder 21, is displayed and stored.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an NC (numerical control) device for creating a tool information file necessary for executing an NC program simulation or an NC program.

[0002]

2. Description of the Related Art Before a work is actually processed by an NC device based on input NC data and a part program in an NC data creating unit in an NC device that creates cutting tool trajectory data for processing a three-dimensional shape. The machining simulation, that is, the trajectory of the cutting tool center during machining is overlaid on the work shape diagram on the CRT screen and visually confirmed, enabling accurate machining with the entered NC data and part program. You can check whether or not.

The tool is composed of a cutting tool such as an end mill and a drill, and a holder for inserting and fixing the cutting tool via a collet. The information about the tool in the machining program is the information about the cutting tool. The tool diameter, the tool offset value, etc. are given (Japanese Patent Laid-Open No. 63-
156645).

[0004]

However, in the tool information file creation device in the conventional NC device, only the tool diameter is output as the information related to the tool as the tool information, and the NC program indicating the center of the tool is provided. In the above command, even if the cutting tool diameter information is added, only the cutting area on the two-dimensional plane can be confirmed.

Further, since information related to the holder is not displayed, it is the actual situation that the operator's skill is relied upon to check whether or not the holder portion interferes, and the interference of the holder that occurs during actual machining is required. It is difficult to completely understand the process during the simulation stage of processing. Further, the tool is composed of a cutting tool and a holder into which the cutting tool is fitted and fixed. However, in the tool information file creation device in the conventional NC device, only the information related to the cutting tool is displayed, and the holder is attached to any holder. Since no information is given as information, it is necessary to make a decision by referring to, for example, a tool catalog when constructing a tool composed of a cutting tool and a holder, resulting in poor work efficiency. Further, if tool information in a state of being assembled with all the compatible holders for each cutting tool is created as a tool information file, the storage capacity becomes enormous and it is not put to practical use.

[0006] Further, when actually carrying out the processing, a preparation for processing in the processing machine may be carried out in advance. However, at the time of carrying out this processing, the combination of the cutting tool and the holder for inserting and fixing the cutting tool is enormous. If so, it becomes difficult to surely grasp the combination, and therefore the worker performs the work while looking at the tool catalog and the like, which is a hindrance to improving the work efficiency.

The present invention has been made in view of such a conventional situation, and the tool and the holder are integrated by creating an information file of a tool in which the selected tool and the holder are assembled. Introducing the concept of tools, registering tool information with a relatively small amount of information as necessary tool information to improve work efficiency, and check the interference between the work and the tool on the CRT screen during machining simulation. It is an object of the present invention to provide a tool information file creation device for an NC device that can be used.

[0008]

Therefore, according to the present invention, there is provided a cutting tool file in which information is stored for each cutting tool, and a holder file in which information on a holder for holding the cutting tool is stored for each holder group suitable for the cutting tool. , A holder display means for selecting a holder group suitable for the cutting tool selected from the cutting tool file based on the input information from the holder file, and displaying the shape drawing of each holder of the cutting tool group on the screen, and the holder display means. And a tool display means for displaying on the screen a shape drawing and specifications of a tool in which the selected cutting tool and the holder are assembled based on the information of the selected cutting tool and the information of the cutting tool. Tool information storage means for storing information on the shape and specifications of the tool displayed by the display means in a tool file.

[0009]

With this configuration, the predetermined cutting tool information is taken out from the cutting tool file, the holder display means selects a holder group suitable for the predetermined cutting tool from the holder file based on the input information, and the shape drawing of each holder is displayed. For example, they are sequentially displayed on the screen. Then, when the combination of the cutting tool and the holder is determined, the tool display means is based on the information of the selected holder and the information of the cutting tool, and the shape diagram and various tools of the tool in which the selected cutting tool and the holder are assembled. Display the original on the screen. Further, since the tool information storage means stores the information of the tool in the tool file, a relatively small amount of information of the tool is registered as necessary tool information.

Therefore, at the time of performing a simulation of machining, for example, a tool in which a cutting tool and a holder are integrated is displayed on a CRT screen, and it is confirmed whether or not the holder portion interferes at the simulation stage. It becomes possible to grasp the presence or absence of interference of the holder. Further, by outputting these specifications, it becomes easy to obtain the tool specifications at the time of preparation for processing in the processing machine, and the work efficiency can be improved.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing an embodiment of a tool information file creation device in an NC device according to the present invention. In the present embodiment, a cutting tool file 10 in which information such as the model number and diameter of the cutting tool 11 is stored, and a holder group (2
Holders (21, 3) that hold the cutting tool 11 for each 0, 30, 40, etc.
1, 41, etc.) and a holder file 50 in which information such as a model number and a reference length is stored.

First, when the operator selects a predetermined cutting tool 11, the model number of the cutting tool 11 is selected from the cutting tool file 10.
Information such as the diameter is output. Then, the control unit 1 including a microcomputer and the like,
A group of holders (2
(0, 30, 40, etc.) is selected from the holder file 50 and the holder group (20, 30, 40, etc.) is determined, and then the shape drawings of each holder (21, 31, 41, etc.) are sequentially displayed on the CRT screen 2, for example. To display.

Then, the holders (21,
31, 41, etc.), when the operator determines the holder, for example, the holder 21, which is the optimum combination with the cutting tool 11,
Information such as model number and reference length of the selected holder 21 and cutting tool
Based on the information such as the model number and the diameter of 11, the shape drawing of the tool 61 in which the cutting tool and the holder are assembled and the information related to the specifications are displayed on the CRT screen 2.

Further, the tool displayed on the CRT screen 2
The shape drawing and specification information of 61 are stored in the tool file 60. Next, the arithmetic processing in the control unit 1 will be described based on the flowchart shown in FIG. In step 1 (denoted as S1 in the figure, the same applies hereinafter), the material of the material to be processed is input.

In step 2, the types of cutting tools to be machined are displayed in advance on the CRT screen (in this embodiment, there are 22 types such as face milling, 2-flute end mill, center drill, etc.). To choose from. In step 3, typical cutting tool specifications of the cutting tool selected in step 2 are input. For example, when a two-blade end mill is selected, the diameter, blade length, etc. are set.

In step 4, in order to determine whether or not the cutting tool input in steps 2 and 3 is registered, the cutting tool file 10 registered in advance in the RAM or the like in the control unit 1 is opened. In step 5,
From the opened cutting tool file 10, step 3
Items that match the representative specifications input in step S1 are searched and sequentially output (see FIG. 3).

In step 6, it is judged whether or not the outputted cutting tool 11 is a cutting tool 11 that matches the specifications to be used by the operator. If the cutting tool 11 matches the specifications, the tool is stored for the time being and
Go to step 7. In step 7, the holder file 50 in which the information of the holders holding various cutting tools is stored for each holder group suitable for various cutting tools is opened.

In step 8, the shape drawing of each holder 21 of the holder group 20 selected in step 7 is sequentially displayed on the CRT screen 2 together with various specifications (see FIG. 4). In step 9, from the displayed holders 21, the holders that the operator judges to use should be selected. Step 10
Then, the cutting conditions for the cutting tool 11 stored in step 6 are retrieved from the cutting condition file (see FIG. 5) registered in advance in the RAM or the like in the control unit 1 and converted in step 11 for the NC program.

Then, in step 12, specifications of the cutting tool 11,
With the specifications of the holder 21 that the operator should use and the cutting conditions, the holder 21 holding the cutting tool 11 is used as a tool.
The shape drawing is displayed as 61 on the CRT screen 2, and after confirmation,
It is registered as a tool 61 in the tool file 60 (see FIG. 6).
Then, when the tool file 61 is created by the used tool display device, the simulation of the machining or the like is performed by the separately prepared simulation program.

As described above, according to the tool information file creating apparatus according to this embodiment, the specification information of the cutting tool 11, the specification information of the holder 21, and the cutting tool 11 and the holder 21 are assembled. The shape diagram and specifications of the tool 61 will be stored in the tool file 60 as information, and the information will be registered only for the selected tool, so the amount of information in the file will be relatively small and the practicality is difficult. It will be good. Further, even when an NC device having a not so large capacity is incorporated in a machine tool or the like, it is possible to have the tool information as a file with a margin. Further, it becomes possible to quickly obtain only the necessary tool information from the file information, and the time required for the simulation can be shortened.

Further, when a simulation of machining is performed by a simulation program, for example, a CRT is used.
On the screen, the tool 61 in which the cutting tool 11 and the holder 21 are integrated is displayed.
It becomes possible to confirm whether or not the holder 21 interferes with each other, and it becomes easy to surely grasp the presence or absence of the interference of the holder 21.

Further, since the drawing and specifications of the tool 61 are stored in the tool file 60, by outputting these specifications separately, the specifications of the tool 61 at the time of preparation for processing in the processing machine can be specified. It is easy to obtain and work efficiency can be improved.

[0023]

As described above, the NC according to the present invention
With the tool information file creation device in the device, a cutting tool file in which information is stored for each cutting tool, a holder file in which information of a holder that holds the cutting tool is stored for each holder group that matches the cutting tool, and information of the selected holder Since a tool file that stores the shape drawing and specifications of the tool based on the information of the cutting tool can be obtained, the necessary tool information can be obtained with a relatively small amount of information of the tool, and the work efficiency can be improved. effective.

In addition, when performing a simulation of processing,
It is possible to confirm whether or not the holder interferes, and it is possible to confirm whether or not it is possible to accurately machine with the entered NC data and part program, and the specifications can be easily obtained when selecting the tool. As a result, it is possible to improve the efficiency of the preparation for the processing preparation in the processing machine and improve the commercialability.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention.

FIG. 2 is a flowchart for explaining the operation in the above embodiment.

FIG. 3 is a diagram showing an example of a cutting tool file according to the embodiment.

FIG. 4 is a diagram showing an example of a holder file in the above embodiment.

FIG. 5 is a diagram showing an example of a cutting condition file in the above embodiment.

FIG. 6 is a diagram showing an example of a tool file according to the embodiment.

[Explanation of symbols]

 1 Control unit 2 CRT screen 10 Cutting tool file 11 Cutting tool 20 Holder group 21 Holder 50 Holder file 60 Tool file 61 Tool

Claims (1)

[Claims] 1. A cutting tool file in which information is stored for each cutting tool, a holder file in which information on a holder that holds the cutting tool is stored for each holder group suitable for the cutting tool, and a cutting tool file is selected based on input information. A holder display unit that selects a holder group suitable for the cutting tool from the holder file and displays the shape drawing of each holder of the holder group on the screen, and information about the holder selected from the holders displayed by the holder display unit. Tool display means for displaying on the screen the shape drawing and specifications of the tool assembled with the selected cutting tool and holder based on the information of the cutting tool, and the shape and various tools of the tool displayed by the tool display means A tool information file creating device in an NC device, comprising: tool information storing means for storing original information in a tool file.