Machine tool comprising an access control device

• US 20090079537A1
• Filed: 09/02/2008
• Published: 03/26/2009
• Est. Priority Date: 09/04/2007
• Status: Active Grant

• Current Assignee: Deckel MAHO Pfronten GmbH (Dmg Mori Co., Ltd.)
• Original Assignee: Deckel MAHO Pfronten GmbH (Dmg Mori Co., Ltd.)
• Inventors: Bornemann, Armin, Seitz, Reinhold, Hahn, Rudolf
• Granted Patent: US 8,502,647 B2
• Time in Patent Office: Days
• US Class Current: 340/5.200
• CPC Class Codes: G05B 19/406 characterised by monitoring or safety G05B19/19 takes precedence
• CPC Class Codes: G05B 19/409 characterised by using manual data input [MDI] or by using control panel, e.g. controlling functions with the panel; characterised by control panel details or by setting parameters G05B19/408, G05B19/4093 take precedence
• CPC Class Codes: G05B 2219/34456 Authorize control of machine, robot if control panel has been connected
• CPC Class Codes: G05B 2219/36542 Cryptography, encrypt, access, authorize with key, code, password

Abstract

The invention relates to a machine tool 101 comprising a plurality of operation functions and a selection device 113a-113d for selecting one or more operation functions by a user. The machine tool 101 receives data from a mobile data carrier 311 via a reception device 112, on the basis of which it may be determined which operation functions may be performed by the user. In this process, an access control device 130 grants the user access to only those selected operation functions he or she is authorized to perform.

Claims

1. A machine tool comprising

a plurality of operation functions,

a selection device for selecting one or more operation functions by a user,

a reception device for receiving data from a mobile data carrier,

a determining device for determining on the basis of the data received which operation functions may be performed by the user, and

an access control device which is set up to control the access to the machine tool with respect to the selected at least one operation function and grant the user access to only those selected operation functions the user is authorized to perform.

2. The machine tool according to claim 1, wherein said reception device comprises a reading device set up to interact with a transponder as a mobile data carrier.

3. The machine tool according to claim 1, wherein the data comprise authorization data indicating which operation function the user may perform on the machine tool.

4. The machine tool according to claim 1, wherein the data identify a user and that said determining device comprises means for inquiring authorization data of the identified user.

5. The machine tool according to claim 1, wherein the machine tool comprises an allocation device for allocating one or more operation functions to a plurality of authorization levels.

6. The machine tool according to claim 5, wherein the data comprise information on the authorization level of the user, the user having a specific authorization level being authorized to perform one or more operation functions allocated to the authorization level.

7. The machine tool according to claim 1, wherein the machine tool comprises a log-on device for logging on users, only logged-on users being authorized to perform operation functions of the machine tool.

8. The machine tool according to claim 7, wherein said log-on device for logging on users enables the input of changeable training data, the changeable training data indicating which machine tool trainings the user to be logged on has attended and the user being authorized to perform one or more operation functions of the machine tool on the basis of the training data.

9. The machine tool according to claim 7, wherein the machine tool comprises data storage means for storing the log-on data indicating which users are logged on.

10. The machine tool according to claim 9, wherein the machine tool comprises transmission means for transmitting the log-on data stored in said data storage means to external storage means and for transmitting the log-on data stored on external storage means to said data storage means of the machine tool.

11. The machine tool according to claim 9, wherein said data storage means furthermore stores operation data indicating which operation functions the machine tool is performing, by which user the operation functions of the machine tool are performed and when the user performs the operation functions.

12. The machine tool according to claim 1, wherein a display device for displaying at least one element of the group of data comprising operation functions which may be performed according to the data received, selected operation functions and the current state the machine tool is in.

13. An authorization data providing device for providing data for reception on a machine tool according to claim 1, comprising a mobile data carrier set up to interact with the machine tool and comprising storage means for storing data by means of which it can be determined which operation functions may be performed by the user.

14. The authorization data providing device according to claim 13, wherein said storage means for storing data contains unchangeable data and the mobile data carrier comprises an imprint providing information on the unchangeable data to the user.

15. The authorization data providing device according to claim 14, wherein the unchangeable data contain a piece of information as to which authorization level the user has.