Rotating tool having an electric data carrier

• US 20070199983A1
• Filed: 02/21/2007
• Published: 08/30/2007
• Est. Priority Date: 02/21/2006
• Status: Active Grant

• Current Assignee: Reishauer AG
• Original Assignee: Reishauer AG
• Inventors: Gretler, Markus, Thyssen, Wolfgang
• Granted Patent: US 7,641,537 B2
• Time in Patent Office: Days
• US Class Current: 235/375
• CPC Class Codes: B23F 23/00 Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines accessories or equipment not restricted to gear-cutting machines B23Q
• CPC Class Codes: B23F 23/1225 Arrangements of abrasive wheel dressing devices on gear-cutting machines dressing devices per se B24B53/00
• CPC Class Codes: B23Q 1/0009 Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts control handles for driving or feeding mechanisms B23Q5/54
• CPC Class Codes: G05B 2219/49305 Store, memory on tool with control and maintenance data
• CPC Class Codes: H02K 11/20 for measuring, monitoring, testing, protecting or switching rectifiers H02K11/04; power electronics H02K11/33
• CPC Class Codes: Y10S 451/90 Gear abrader

Abstract

A rotating cutting tool (2, 14, 16) for machining a workpiece on a machine tool, in particular for dressing the grinding worm of a tooth flank grinding machine, having an electronic data carrier for storing data relevant to the use of the tool, has an annular data carrier (7) arranged concentrically to the rotation axis of the tool and having an above-average storage capacity, and said data carrier (7), during the machining process, with the tool (2, 14, 16) rotating, exchanges tool-relevant data, at a high transmission rate, with a likewise annular write/read head (10) arranged concentrically thereto on the machine.

Claims

1. A machine tool having a rotating cutting tool (2, 14, 16) for machining a workpiece held on the machine tool, the cutting tool (2, 14, 16) being connected to an electronic data carrier (7) for storing data relevant to the use of the tool, wherein means (10) for the non-contact roll-in and/or roll-out of data of the electronic data carrier (7) are provided on the machine tool, said means permitting a roll-in and/or roll-out of data of the electronic data carrier (7) during the machining process when the cutting tool (2, 14, 16) is rotating.

2. The machine tool as claimed in claim 1, wherein the cutting tool (16) is firmly connected to a tool-holding fixture (15), and wherein the electronic data carrier (7) is attached to the tool-holding fixture (15).

3. The machine tool as claimed in claim 1, wherein the electronic data carrier (7) is directly attached to the cutting tool (2, 14).

4. The machine tool as claimed in claim 1, wherein the electronic data carrier (7) is of annular design and is arranged concentrically to the rotation axis (6) of the cutting tool (2, 14, 16), and wherein the electronic data carrier (7) has an annular data transmission area (8), via which the data are exchanged between the electronic data carrier (7) and the roll-in and roll-out means (10) in a non-contact manner.

5. The machine tool as claimed in claim 4, wherein the data transmission area (8) is arranged on an end face of the electronic data carrier (7).

6. The machine tool as claimed in claim 4, wherein the data transmission area (8) is arranged on an outer circumferential side of the electronic data carrier (7).

7. The machine tool as claimed in claim 4, wherein the means (10) for the non-contact roll-in and roll-out of data of the electronic data carrier (7) are rigidly connected to the machine tool and are designed and arranged in such a way that they are located with a data transmission area (9) opposite the data transmission area (8) of the electronic data carrier (7) with a slight gap in between.

8. The machine tool as claimed in claim 7, wherein the means for the non-contact roll-in and roll-out of data of the electronic data carrier (7) comprise a write/read head (10), wherein the write/read head (10) is likewise of annular design, and wherein the write/read head (10) is arranged coaxially to the electronic data carrier (7) and is separated from the latter by a radical of axial transmission gap (11) between the data transmission areas (8, 9).

9. The machine tool as claimed in claim 8, wherein the means for the non-contact toll-in and roll-out of data of the electronic data carrier (7) work in an inductive manner.

10. The machine tool as claimed in claim 8, wherein the transmission gap (11) has a width of less than 1 mm.

11. The machine tool as claimed in claim 1, wherein the electronic data carrier (7) is supplied with electrical energy in a non-contact manner by the means (10) for the roll-in and roll-out of data of the electronic data carrier (7).

12. The machine tool as claimed in claim 3, wherein, in order to accommodate the tool (2), a tool spindle (4) surrounded by a tool spindle housing (5) is provided, and wherein the electronic data carrier (7) is arranged on an end face, facing the tool spindle housing (5), of the tool (2).

13. The machine tool as claimed in claim 1, wherein the data transmitted between the electronic data carrier (7) and the means (10) for the roll-in and roll-out of data of the electronic data carrier (7) comprise at least one of the following tool-specific items of information:

tool-geometry data

tool-coating characteristic data

tool-life data

tool-use technological data

technological data of previous uses of the tool.

14. The machine tool as claimed in claim 2, wherein the actuating means, in particular n the form o a switch (19), are arranged on the tool-holding fixture (15) of the cutting tool (16) in such a way that the data if the electronic data carrier (7) are erased automatically when the cutting tool (16) is released from the tool-holding fixture (15).

15. A cutting tool (2, 14, 16) for a machine tool as claimed in claim 1, which is connected to an electronic data carrier (7) for storing data relevant to the use of the tool, wherein the electronic data carrier (7) is designed for the non-contact roll-in and/or roll-out of data during the machining process when the cutting tool (2, 14, 16) is rotating.

16. The cutting tool as claimed in claim 15, wherein it is firmly connected to a tool-holding fixture (15), and wherein the electronic data carrier (7) is attached to the tool-holding fixture (15).

17. The cutting tool as claimed in claim 15, wherein the electronic data carrier (7) is directly attached to the cutting tool (2, 14).

18. The cutting tool as claimed in claim 15, wherein the electronic data carrier (7) is of annular design and is arranged concentrically to the rotation axis (6) of the cutting tool (2, 14, 16), and wherein the electronic data carrier (7) has an annular data transmission area (8), via which the data are exchanged between the electronic data carrier (7) and the roll-in and roll-out means (10) in a non-contact manner, in particular in an inductive manner.

19. The cutting tool as claimed in claim 18, wherein the data transmission area (8) is arranged on an end face of the electronic data carrier (7).

20. The cutting tool as claimed in claim 18, wherein the data transmission area (8) is arranged on an outer circumferential side of the electronic data carrier (7).

21. The cutting tool as claimed in claim 15, wherein the cutting tool (2, 14, 16) is a tool for producing gears, in particular a diamond dressing roll (2), a diamond dressing gear (14) or a grinding worm.