Claims
- 1. In a pay-off reel straightening apparatus for a wire material wherein the apparatus has a pivotal receiving means (8) for a reel (9) and has a bending roller (18) assigned to a processing apparatus (19), the improvement comprising: the processing apparatus (19) being a straightening apparatus, a dancer (13) interposed between the receiving means (8) and the bending roller (18), and a constant force for reeling off the wire material and a discharge direction feeding the wire material into the bending roller (18) being maintained so that the wire material is straightened free of torque in a plane parallel to a plane containing a curvature of the reel.
- 2. In the pay-off reel straightening apparatus according to claim 1, wherein an additional torque is applied to the bending roller (18).
- 3. In the pay-off reel straightening apparatus according to claim 1, wherein a destressing straightening device (20) is arranged between the bending roller (18) and the processing apparatus (19).
- 4. In the pay-off reel straightening apparatus according to claim 1, wherein the dancer (13) is fitted in a guide adapted to provide an up movement and a down movement.
- 5. In the pay-off reel straightening apparatus according to claim 1, wherein the wire material passes in a loop form by more than 180° around the bending roller (18).
- 6. In the pay-off reel straightening apparatus according to claim 1, wherein at least one of the bending roller (18) and the receiving means (8) are arranged in a level adjustable manner.
- 7. In the pay-off reel straightening apparatus according to claim 1, wherein the bending roller (18) is coated with a material that enhances a friction coefficient.
- 8. In a pay-off reel straightening apparatus for a wire material wherein the apparatus has a pivotal receiving means (8) for a reel (9) and has a bending roller (18) assigned to a processing apparatus (19), the improvement comprising: the processing apparatus (19) being a straightening apparatus, a dancer (13) interposed between the receiving means (8) and the bending roller (18), and a constant force for reeling off the wire material and a discharge direction feeding the wire material into the bending roller (18) being maintained so that the wire material is straightened free of torque in a plane parallel to a plane containing a curvature of the reel, and the dancer (13) being a storing means comprising a plurality of deflection rollers (11).
- 9. In the pay-off reel straightening apparatus according to claim 8, wherein a spacing (A) between the receiving means (8) for the reel (9) and a first said deflection roller (11), between the first said deflection roller (11) and each of the following siad deflector rollers (11), between a last said deflection roller (11) and the bending roller (18), and between the bending roller (18) and the processing device (19) is less than or equal to D which represents a prevailing diameter of one of the reel (9), the preceding aid deflector rollers (11) and the bending roller (18).
- 10. In the pay-off reel straightening apparatus according to claim 9, wherein a diameter D of each said deflection roller (11) for a defined, elastic deflection of the wire material is governed by D≥d ERp0.2wherein d represents a diameter, E represents a modulus of elasticity and Rp0.2 represents a technical yield point of the wire material.
- 11. In the pay-off reel straightening apparatus according to claim 10, wherein to bring about a constant bending of the wire material in the plane of curvature, a diameter D of the bending roller 18 is governed by D≥d ERp0.2wherein d represents a diameter, E represents a modulus of elasticity and Rp0.2 represents a technical yield point of the wire material.
- 12. In the pay-off reel straightening apparatus according to claim 11, wherein an additional torque is applied to the bending roller (18).
- 13. In the pay-off reel straightening apparatus according to claim 12, wherein the additional torque is a braking moment.
- 14. In the pay-off reel straightening apparatus according to claim 13, wherein a destressing straightening apparatus (20) is arranged between the bending roller (18) and the processing device (19).
- 15. In the pay-off reel straightening apparatus according to claim 14, wherein the destressing straightening device (20)comprises two equally sized pivotal rollers (22, 23) arranged symmetrically with respect to one another on a pivotal support element (25).
- 16. In the pay-off reel straightening apparatus according to claim 15, wherein the dancer (13) is fitted in a guide adapted to provide an up movement and a down movement.
- 17. In the pay-off reel straightening apparatus according to claim 16, wherein the wire material passes in a loop form by more than 180° around the bending roller (18).
- 18. In the pay-off reel straightening apparatus according to claim 17, wherein at least one of the bending roller (18) and the receiving means (8) are arranged in a level adjustable manner.
- 19. In the pay-off reel straightening apparatus according to claim 18, wherein the bending roller (18) is coated with a material that enhances a friction coefficient.
- 20. In a pay-off reel straightening apparatus for a wire material wherein the apparatus has a pivotal receiving means (8) for a reel (9) and has a bending roller (18) assigned to a processing apparatus (19), the improvement comprising: the processing apparatus (19) being a straightening apparatus, a dancer (13) interposed between the receiving means (8) and the bending roller (18), and a constant force for reeling off the wire material and a discharge direction feeding the wire material into the bending roller (18) being maintained so that the wire material is straightened free of torque in a plane parallel to a plane containing a curvature of the reel, wherein a spacing (A) between the receiving means (8) for the reel (9) and a first deflection roller (11) of a plurality of deflection rollers (11), between the first deflection roller (11) and each following said deflector roller (11), between a last deflection roller (11) and the bending roller (18), and between the bending roller (18) and the processing device (19) is less than or equal to D which represents a prevailing diameter of one of the reel (9), the deflector rollers (11) and the bending roller (18).
- 21. In a pay-off reel straightening apparatus for a wire material wherein the apparatus has a pivotal receiving means (8) for a reel (9) and has a bending roller (18) assigned to a processing apparatus (19), the improvement comprising: the processing apparatus (19) being a straightening apparatus, a dancer (13) interposed between the receiving means (8) and the bending roller (18), and a constant force for reeling off the wire material and a discharge direction feeding the wire material into the bending roller (18) being maintained so that the wire material is straightened free of torque in a plane parallel to a plane containing a curvature of the reel, wherein a diameter D of each said deflection roller (11) for a defined, elastic deflection of the wire material is governed by D≥d ERp0.2wherein d represents a diameter, E represents a modulus of elasticity and Rp0.2 represents a technical yield point of the wire material.
- 22. In a pay-off reel straightening apparatus for a wire material wherein the apparatus has a pivotal receiving means (8) for a reel (9) and has a bending roller (18) assigned to a processing apparatus (19), the improvement comprising: the processing apparatus (19) being a straightening apparatus, a dancer (13) interposed between the receiving means (8) and the bending roller (18), and a constant force for reeling off the wire material and a discharge direction feeding the wire material into the bending roller (18) being maintained so that the wire material is straightened free of torque in a plane parallel to a plane containing a curvature of the reel, wherein to bring about a constant bending of the wire material in the plane of curvature, a diameter D of the bending roller 18 is governed by D≥d ERp0.2wherein d represents a diameter, E represents a modulus of elasticity and Rp0.2 represents a technical yield point of the wire material.
Priority Claims (1)
Number |
Date |
Country |
Kind |
197 23 635 |
Jun 1997 |
DE |
|
Parent Case Info
This application is a 371 of PCT/EP98/03357, filed Jun. 5, 1998.
PCT Information
Filing Document |
Filing Date |
Country |
Kind |
102e Date |
371c Date |
PCT/EP98/03357 |
|
WO |
00 |
12/6/1999 |
12/6/1999 |
Publishing Document |
Publishing Date |
Country |
Kind |
WO98/55247 |
12/10/1998 |
WO |
A |
US Referenced Citations (11)
Foreign Referenced Citations (5)
Number |
Date |
Country |
1812802 |
Jun 1970 |
DE |
0 340 322 |
Nov 1989 |
EP |
0 395 029 B1 |
Jan 1997 |
EP |
0 769 830 A2 |
Apr 1997 |
EP |
08 324 885 |
Dec 1996 |
JP |