EP0936954A1 - Vorrichtung zum zugrecken von dünnen metallbändern - Google Patents
Vorrichtung zum zugrecken von dünnen metallbändernInfo
- Publication number
- EP0936954A1 EP0936954A1 EP97912217A EP97912217A EP0936954A1 EP 0936954 A1 EP0936954 A1 EP 0936954A1 EP 97912217 A EP97912217 A EP 97912217A EP 97912217 A EP97912217 A EP 97912217A EP 0936954 A1 EP0936954 A1 EP 0936954A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stretching
- group
- central
- roller
- speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/05—Stretching combined with rolling
Definitions
- the invention relates to a device for tensile stretching thin metal strips, in particular aluminum strips with a thickness between 0.1 and 0.5 mm.
- Stretch bending deflects the strip, which is prestressed to an area below the yield point, on rollers with a small diameter, the curvature on the respective outer surface creating additional bending stress.
- the bending tension together with the pre-tension causes a plastic elongation of the band, which occurs alternately on the lower and upper side of the band due to a loop-shaped band guide.
- Stretch bending involves the risk of surface markings due to multiple contact with the small rollers, which are usually made of steel. This method is therefore less suitable if tapes with extremely high surface requirements have to be processed, such as z. B. can be used for lithographic purposes.
- DE-PS 35 25 343 describes the advantages and disadvantages of the two straightening processes and suggests thin metal strips, eg. B. aluminum strips in the thickness range of 0.1 to 0.33 mm, a combination of the two methods.
- Stretching in the plastic area is subjected to the required stretch.
- Metal strips have the ratio describing the ratio of longitudinal elongation to transverse contraction
- Poisson's number a value of approx. 0.3; d. H. the change in width is approx. 1/3 of the change in length. It has been shown that the flatness in the stretching process is adversely affected if the transverse shrinkage is hindered by the adhesion of the belt on the retaining rollers. Only in the free distance between two successive rollers can the belt contract in the transverse direction without hindrance.
- the invention has for its object to provide a device for tension stretching, with which strips with extremely high quality requirements can be processed.
- the device according to the invention enables tensile stretching in two stages. In this way, the belt has multiple possibilities of contracting freely in the free belt sections when stretching.
- Figure 1 shows a side view of the basic structure
- Figure 2 shows a schematic plan view of the drive diagram. Ways of Carrying Out the Invention
- the device is used to stretch thin metal strips, preferably aluminum strips with a thickness between 0.1 mm and 0.5 mm. It consists of a group of - in the example five - restraining rollers 1 -5, which are all connected to each other via differential gears 1 2-1 6 and are speed-controlled as a whole.
- the distribution of the retention torques on the individual rollers 1 -5 takes place in a known manner in accordance with the achievable force amplification between the belt 20 and the respective roller 1 -5, as is known, for. B. is shown in Figure 2 of DE-PS 25 29 899.
- a central stretching roller 6 is arranged, which is connected to a drive motor 1 8.
- the drive motor 1 8 is speed-controlled and determines the speed of the stretching device.
- a group of five pulling rollers 7-1 1 is arranged, which are also all connected to one another via differential gears 21-25 and are speed-controlled as a whole.
- the distribution of the tensile torques takes place in the same way as the distribution of the retention torques for the rollers 1 -5.
- the pulling rollers 7-1 1 are also connected to the central stretching roller 6 in terms of drive.
- the degree of stretching of the first stretching stage in the stretching section Ri is determined by an adjustable and kept constant speed ratio of the drive motors 17 and 1 8.
- an adjustable and kept constant speed ratio of the drive motors 1 8 and 1 9 determines the degree of stretching of the second stage in the stretching section R 2 .
- the group of pulling rollers 7-1 1 is preferably constructed and arranged essentially symmetrically to the group of retaining rollers 1 -5 with respect to the central stretching roller 6, as shown in FIGS. 1 and 2.
- This arrangement simplifies the construction and control of the stretching device.
- the two rolls 6, 7, each of which a stretching section R 1 # R 2 is delimited on the outlet side, preferably have a larger diameter than the other rolls 1 -5, 8-1 1, as shown in FIG. 1.
- the elongation of the outer surface of the band 20 is kept small due to the curvature when deflecting directly following the stretching distances R f R 2 .
- Both the last free shaft of the differential gear 1 2 of the first retaining roller 1 and the last free shaft of the differential gear 25 of the last pulling roller 1 1 are each supported on a drive motor 1 7, 1 9.
- Drive motors 1 7, 1 9 serve to brace the belt 20 between the rolls 1 -5 or 7-1 1 with each other and to brace the respective group against the central stretching roll 6.
- the maximum difference in the torques of the drive motors 1 7, 1 9 of the restraining group and the pulling group is so limited that the adhesive force between the central roller 6 and the belt 20 is not exceeded. Slipping of the belt 20 on the central stretching roller 6 is thus excluded. Since slipping of the belt 20 on another roller 1 -1 1 is also excluded from the control point of view, the degree of stretching in the two stretching stages can be determined in each case by an adjustable and constant speed ratio of the drive motors 1 7, 1 8 or 1 8, 1 9 .
- a tension measuring roller 26 is arranged between the last two retaining rollers 4, 5. It serves to record the instantaneous pulling force at this point on the railway line. From the measured value, the required braking force before the first pull roller 1 and the required pulling force after the last pull roller 1 1 are determined and automatically set.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Soil Working Implements (AREA)
- Secondary Cells (AREA)
- Metal Rolling (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19645599A DE19645599A1 (de) | 1996-11-06 | 1996-11-06 | Vorrichtung zum Zugrecken von dünnen Metallbändern |
DE19645599 | 1996-11-06 | ||
PCT/EP1997/005875 WO1998019804A1 (de) | 1996-11-06 | 1997-10-24 | Vorrichtung zum zugrecken von dünnen metallbändern |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0936954A1 true EP0936954A1 (de) | 1999-08-25 |
EP0936954B1 EP0936954B1 (de) | 2000-07-26 |
Family
ID=7810712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97912217A Expired - Lifetime EP0936954B1 (de) | 1996-11-06 | 1997-10-24 | Vorrichtung zum zugrecken von dünnen metallbändern |
Country Status (7)
Country | Link |
---|---|
US (1) | US6109084A (de) |
EP (1) | EP0936954B1 (de) |
CN (1) | CN1108886C (de) |
AT (1) | ATE194933T1 (de) |
DE (2) | DE19645599A1 (de) |
ES (1) | ES2151253T3 (de) |
WO (1) | WO1998019804A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10041563A1 (de) * | 2000-08-24 | 2002-03-07 | Sms Demag Ag | Verfahren und Vorrichtung zum Streckrichten von Kaltband sowie Regelung des Streckgrades |
DE10114883C1 (de) * | 2001-03-26 | 2002-10-31 | Bwg Bergwerk Walzwerk | Zugreckanlage für Stahl- und Metallbänder |
DE10121981C1 (de) * | 2001-05-05 | 2002-12-12 | Bwg Bergwerk Walzwerk | Bandbehandlungsanlage zum Richten eines Metallbandes |
DE10218959B4 (de) * | 2002-04-27 | 2011-07-28 | SMS Siemag Aktiengesellschaft, 40237 | Vorrichtung zum Einstellen des maximal übertragbaren Zugkraftverhältnisses eines Bandes im Reibschluß mit einem S-Umlenkrollenpaar |
DE102004048658A1 (de) † | 2004-10-06 | 2006-04-20 | Sms Demag Ag | Vorrichtung zum kontinuierlichen Zugrecken eines Metallbandes und Verfahren zum Betreiben einer solchen Vorrichtung |
US9309714B2 (en) | 2007-11-13 | 2016-04-12 | Guardian Ig, Llc | Rotating spacer applicator for window assembly |
WO2009064915A1 (en) | 2007-11-13 | 2009-05-22 | Infinite Edge Technologies, Llc | Reinforced window spacer |
DE102008024013B3 (de) * | 2008-05-16 | 2009-08-20 | Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh | Verfahren und Vorrichtung zum Richten eines Metallbandes |
WO2011008860A1 (en) | 2009-07-14 | 2011-01-20 | Infinite Edge Technologies, Llc | Stretched strips for spacer and sealed unit |
WO2011156722A1 (en) | 2010-06-10 | 2011-12-15 | Infinite Edge Technologies, Llc | Window spacer applicator |
US9228389B2 (en) | 2010-12-17 | 2016-01-05 | Guardian Ig, Llc | Triple pane window spacer, window assembly and methods for manufacturing same |
US9260907B2 (en) | 2012-10-22 | 2016-02-16 | Guardian Ig, Llc | Triple pane window spacer having a sunken intermediate pane |
US9689196B2 (en) | 2012-10-22 | 2017-06-27 | Guardian Ig, Llc | Assembly equipment line and method for windows |
CN104630433A (zh) * | 2013-11-14 | 2015-05-20 | 余召辉 | 一种带钢在连续退火炉内热拉伸的方法和装置 |
US10363590B2 (en) | 2015-03-19 | 2019-07-30 | Machine Concepts, Inc. | Shape correction leveler drive systems |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3374653A (en) * | 1965-05-28 | 1968-03-26 | Kaiser Aluminium Chem Corp | Strip leveling apparatus |
FR1483386A (fr) * | 1965-06-18 | 1967-06-02 | United States Steel Corp | Procédé et appareil pour réduire l'épaisseur d'un feuillard |
GB1219966A (en) * | 1968-04-30 | 1971-01-20 | Head Wrightson & Co Ltd | Strip processing apparatus |
DE2529899C3 (de) * | 1975-07-04 | 1980-05-08 | Erwin Kampf Gmbh & Co Maschinenfabrik, 5276 Wiehl | Spannvorrichtung für kontinuierlich durchlaufende Metallbänder |
DE3026129A1 (de) * | 1980-07-10 | 1982-02-04 | Erwin Kampf Gmbh & Co Maschinenfabrik, 5276 Wiehl | Metallbandreckanlage |
GB2174027B (en) * | 1985-04-20 | 1988-07-13 | Bwg Bergwerk Walzwerk | Process and equipment for continuous flattening of particularly thin metal strip |
US4765169A (en) * | 1987-11-02 | 1988-08-23 | The Monarch Machine Tool Co. | Method of tension leveling nonhomogeneous metal sheet |
JPH0618655B2 (ja) * | 1988-11-22 | 1994-03-16 | 新日本製鐵株式会社 | 調質圧延機張力異常低下回避法 |
DE3912676A1 (de) * | 1989-04-18 | 1990-10-25 | Bwg Bergwerk Walzwerk | Verfahren und vorrichtung zum kontinuierlichen zugrecken von duennen baendern, insbesondere von metallischen baendern |
-
1996
- 1996-11-06 DE DE19645599A patent/DE19645599A1/de not_active Withdrawn
-
1997
- 1997-10-24 DE DE59702090T patent/DE59702090D1/de not_active Expired - Lifetime
- 1997-10-24 EP EP97912217A patent/EP0936954B1/de not_active Expired - Lifetime
- 1997-10-24 CN CN97197497A patent/CN1108886C/zh not_active Expired - Fee Related
- 1997-10-24 AT AT97912217T patent/ATE194933T1/de not_active IP Right Cessation
- 1997-10-24 WO PCT/EP1997/005875 patent/WO1998019804A1/de active IP Right Grant
- 1997-10-24 US US09/284,314 patent/US6109084A/en not_active Expired - Fee Related
- 1997-10-24 ES ES97912217T patent/ES2151253T3/es not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9819804A1 * |
Also Published As
Publication number | Publication date |
---|---|
ATE194933T1 (de) | 2000-08-15 |
ES2151253T3 (es) | 2000-12-16 |
US6109084A (en) | 2000-08-29 |
CN1228722A (zh) | 1999-09-15 |
DE19645599A1 (de) | 1998-05-07 |
WO1998019804A1 (de) | 1998-05-14 |
CN1108886C (zh) | 2003-05-21 |
DE59702090D1 (de) | 2000-08-31 |
EP0936954B1 (de) | 2000-07-26 |
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