IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0309949
(2007-07-12)
|
등록번호 |
US-8091400
(2012-01-10)
|
우선권정보 |
DE-10 2006 037 091 (2006-08-07); DE-20 2006 012 170 U (2006-08-07) |
국제출원번호 |
PCT/EP2007/006174
(2007-07-12)
|
§371/§102 date |
20090204
(20090204)
|
국제공개번호 |
WO2008/017358
(2008-02-14)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
3 |
초록
▼
The present invention relates to a device for forming, in particular for cold forming, here in particular for cold extruding, a workpiece, which device has a forming die and a feed device by means of which a relative movement can be generated between the workpiece and the forming die, wherein the de
The present invention relates to a device for forming, in particular for cold forming, here in particular for cold extruding, a workpiece, which device has a forming die and a feed device by means of which a relative movement can be generated between the workpiece and the forming die, wherein the device has a frequency generating device which interacts with the feed device and by which the relative movement between the workpiece and the forming die, as generated by the feed device, can be modulated in such a way that following a forward stroke in which the workpiece and/or the forming die pass through a first stroke travel in the feeding direction, a movement of the forming die and/or of the workpiece can be effected in a subsequent reverse stroke, over a second stroke travel in a direction opposite to the feeding direction, and to a method for forming a workpiece wherein a relative movement between the workpiece and a forming die is generated by a feed device, which relative movement between the workpiece and the forming die, produced by the feed device, is modulated in such a way that following a forward stroke in which the workpiece and/or the forming die pass through a first stroke travel, a movement of the forming die and/or of the workpiece can be effected in a subsequent reverse stroke, over a second stroke travel in a direction opposite to the feeding direction.
대표청구항
▼
1. Device for forming a workpiece, which device has a forming die and a feed device by means of which a relative movement can be generated between the workpiece and the forming die, wherein the device has a frequency generating device which interacts with the feed device and by which the relative mo
1. Device for forming a workpiece, which device has a forming die and a feed device by means of which a relative movement can be generated between the workpiece and the forming die, wherein the device has a frequency generating device which interacts with the feed device and by which the relative movement between the workpiece and the forming die, as generated by the feed device, can be modulated in such a way that following a forward stroke in which at least one of the workpiece and forming die pass through a first stroke travel in the feeding direction, a movement of at least one of the forming die and the workpiece can be effected in a subsequent reverse stroke, over a second stroke travel in a direction opposite to the feeding direction, characterized in that the frequency generating device modulates the feed device in such a way that at least one of the stroke travels of the forward strokes and the reverse strokes of at least two successive forming steps of the device, each being composed of a forward stroke and a reverse stroke, are different. 2. The device as defined in claim 1, wherein the frequency generating device includes a control element with fuzzy logic. 3. The device as defined in claim 1, wherein the forming steps carried out within a defined forming length, which the forming die is to run through in forming the workpiece, show a non-continuous chaotic distribution of the stroke travels of the different forming steps. 4. The device as defined in claim 1, wherein the frequency generating device modulates the feed device in such a way that the forming path passed by the forming die in axial direction of the workpiece when working the workpiece is subdivided into at least two forming zones with different stroke travels of at least one of the forward stroke and of the reverse stroke of the different forming steps. 5. The device as defined in claim 1, wherein the device is a device for the cold forming of a workpiece. 6. Method for forming a workpiece wherein a relative movement between the workpiece and a forming die is generated by a feed device, which relative movement between the workpiece and the forming die, produced by the feed device, is modulated in such a way that following a forward stroke in which at least one of the workpiece and the forming die pass through a first stroke travel in the feed direction, a movement of at least one of the forming die and the workpiece, effected in a subsequent reverse stroke over a second stroke travel in a direction opposite to the feeding direction, is modulated by a frequency generating device in such a way that the stroke travels of at least one of the forward strokes and the reverse strokes of at least two successive forming steps, each being composed of a forward stroke and a reverse stroke, are different. 7. The method as defined in claim 6, wherein the frequency generating device used is a frequency generating device with fuzzy logic. 8. The method as defined in claim 6, wherein the frequency generating device generates a succession of non-continuous chaotic forming steps. 9. The method as defined in claim 6, wherein the feed device is modulated by the frequency generating device in such a way that the forming path passed by the forming die in an axial direction of the workpiece when working the workpiece is subdivided into at least two forming zones with different stroke travels of the forward stroke and the reverse stroke of the different forming steps. 10. A device for forming a workpiece, the device comprising: a forming die;a feed device by which a relative movement can be generated between the workpiece and the forming die; anda frequency generating device that interacts with the feed device and by which the relative movement between the workpiece and the forming die, as generated by the feed device, is modulated in such a way that following a forward stroke in which at least one of the workpiece and forming die pass through a first stroke travel in the feeding direction, a movement of at least one of the forming die and the workpiece is effected in a subsequent reverse stroke, over a second stroke travel in a direction opposite to the feeding direction;wherein the frequency generating device modulates the feed device in such a way that at least one of the stroke travels of the forward strokes and the reverse strokes of at least two successive forming steps of the device, each being composed of a forward stroke and a reverse stroke, are different; andwherein the frequency generating device includes a control element with fuzzy logic.
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