# US 4,591,989 A · System for displaying tool parameters of tools utilized in a machining process

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- Number: US 4,591,989 A
- Document ID: US4591989A
- Status: Granted
- Kind: A
- Application number: 06/471,614
- Filed: 1983-03-03
- Granted: 1986-05-27
- Earliest claimed: 1982-03-04
- Assignees: Mitsubishi Denki Kabushiki Kaisha
- Inventors: Hitoshi Tanaka
- Web page: https://patentgrep.com/patent/US4591989A

## CPC

- G05B 19/40938: {Tool management}
- G05B 2219/36333: Selection from standard forms, shapes, partprograms, enter value for variable
- G05B 2219/36357: Tool line up, select right order of tool, optimal tool order loading, tool file
- G05B 2219/37383: Tool length
- G05B 2219/37405: Contact detection between workpiece and tool, probe, feeler
- Y02P 90/02: Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
- G05B: CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables G05D; systems for regulating electric or magnetic variables G05F; control devices or systems insofar as characterised by mechanical features only G05G)
- Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

## Abstract

A numerically controlled machining system which stores in a memory, a machining program having machining pattern commands for specifying machining patterns, tool commands for specifying tools, and positional information commands for specifying positional information for the tools. A selecting device selects only the tool commands from the stored machining program, and displays parameters regarding the tools selected by the selecting device. The display can display a list of tools along with the parameters thereof so that the operator can locate the tools with utmost ease for tool preparation and attachment.

## Claims

### Claim 1

A numerically controlled machining system comprising:
a numerical control unit for controlling a machine tool, said numerical control unit including an input device, an arithmetic unit for effecting arithmetic operations on commands entered through said input device, a memory for storing the commands from said input device and the results of the arithmetic operations of said arithmetic unit, and a control unit for controlling the arithmetic operations in said arithmetic unit;
means for storing in said memory a machining program having machining pattern commands for specifying machining patterns, tool commands for specifying tools, tool parameters and positional information commands for specifying positional information for the tools, wherein said tool parameters include nominal tool diameters, tool diameters, tool lengths, length compensations indicative of the amounts of wear on the tools, and tool lives, wherein the term "length compensation" used herein means the amount of wear on the tool, the term "tool diameter" means the diameter of the tool, the term "tool length" means the distance between the tip end of a tool and the end face of a spindle on which the tool is mounted, and the term "tool life" is the period of time in which a tool can be used for a cutting operation;
means for selecting only the tool commands and associated specified tools from the stored machining program;
means for displaying tool parameters selected by said selecting means, wherein said displaying means displays a list of the selected tools in their machining order in the stored machining program; and
automatic length setting means for measuring the length of each tool.

### Claim 2 (depends on 1)

A numerically controlled machining system according to claim 1, including a keyboard for rewriting tool parameters.

### Claim 3 (depends on 1)

A numerically controlled machining system according to claim 1, wherein said numerical control unit includes means for manually inputting the machining program.

### Claim 4 (depends on 3)

A numerically controlled machining system according to claim 3, wherein said inputting means includes a keyboard for entering, deleting, inserting and correcting data items for the machining program which is being displayed by said displaying means.