DE1180340B - Method and device for keeping the welding gap constant when producing screw sutures - Google Patents
Method and device for keeping the welding gap constant when producing screw suturesInfo
- Publication number
- DE1180340B DE1180340B DEM54713A DEM0054713A DE1180340B DE 1180340 B DE1180340 B DE 1180340B DE M54713 A DEM54713 A DE M54713A DE M0054713 A DEM0054713 A DE M0054713A DE 1180340 B DE1180340 B DE 1180340B
- Authority
- DE
- Germany
- Prior art keywords
- pipe axis
- keeping
- constant
- station
- parallel
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/12—Making tubes or metal hoses with helically arranged seams
- B21C37/122—Making tubes or metal hoses with helically arranged seams with welded or soldered seams
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Description
DEUTSCHESGERMAN
PATENTAMTPATENT OFFICE
AUSLEGESCHRIFTEDITORIAL
Internat. Kl.: B 21 cBoarding school Class: B 21 c
Nummer:
Aktenzeichen:
Anmeldetag:
Auslegetag:Number:
File number:
Registration date:
Display day:
Deutsche Kl.: 7b-9/01 German classes : 7b -9/01
1180340
M54713Ib/7b
5. November 1962
29. Oktober 19641180340
M54713Ib / 7b
5th November 1962
October 29, 1964
Beim Herstellen von geschweißten, insbesondere mit Hochfrequenz verschweißten Schraubennahtrohren muß das der Schweißstelle zulaufende Band zur Erzielung einer gleichbleibenden einwandfreien Schweißnaht und eines gleichbleibenden Rohrdurchmessers eine konstante Breite aufweisen. Man verwendet daher in der Regel Bänder, die an den Kanten besäumt oder spanlos bearbeitet sind.When producing welded, in particular, high-frequency welded screw sutures the band running towards the welding point must be used to achieve a consistent, flawless quality Weld seam and a constant pipe diameter have a constant width. One uses therefore, as a rule, strips that are trimmed at the edges or machined without cutting.
Bei normalem Walzband sind Abweichungen der Bandbreite von dem Sollwert nicht zu vermeiden. Derartige Einflüsse werden mit Hilfe besonderer, die Größe des Spalts feststellender oder die Breite messender Tastvorrichtungen ermittelt und kompensiert. Hierzu wird der Rohrschenkel im Sinne eines gleichbleibenden Spalts geschwenkt, während der Einlaufwinkel des Bandes konstant gehalten wird, da der Bandzuführungstisch und die Verformungsstation fest bleiben. Weil Durchmesser des Rohrs, Bandbreite und Einlaufwinkel in gegenseitiger Abhängigkeit stehen (&=jr-D-sina), erhält man bei diesem Vorgehen Durchmesserveränderungen des fertigen Rohrs. Außerdem können wegen der Bandsäbel Dachbildungen am Rohr und örtliche Konizitäten eintreten.With normal rolled strip, deviations of the strip width from the target value cannot be avoided. Such influences are determined with the help of special, the size of the gap or the width measuring Sensing devices determined and compensated. For this purpose, the pipe leg is in the sense of a constant Swiveled gap, while the inlet angle of the strip is kept constant, as the The tape feed table and the forming station remain fixed. Because diameter of the pipe, bandwidth and inlet angles are mutually dependent (& = jr-D-sina), one obtains with this procedure Changes in the diameter of the finished pipe. In addition, roof formations can occur because of the band sabers occur on the pipe and local conicities.
Andere bekannte Anlagen zum Herstellen von Schraubennahtrohren sind daher so ausgebildet, daß der Bandzuführungstisch gegenüber der Rohrachse um einen Königszapfen laufend verschwenkt werden kann. Dieses Verschwenken erfolgt im Zusammenwirken mit der Tasteinrichtung automatisch dann, wenn die Breite des zulaufenden Bandes oder die Spaltbreite sich ändert. Kinematisch umgekehrt kann auch der Zuführungstisch ortsfest und die Verformungsstation um einen Zapfen schwenkbar gemacht werden. Letztgenannte Anordnung hat den Nachteil, daß der Rohrschenkel, d. h. das auslaufende Rohr, ständig seine Auslaufrichtung ändert. Das Verschwenken des Bandschenkels ist daher meist einfacher. Man kann auch beide Vorgehen insofern kombinieren, als der Bandschenkel zum Kompensieren grober Abweichungen des Bandes und der Rohrschenkel zum Kompensieren der Fehler zweiten Grades bewegt wird.Other known systems for the production of screw sutures are therefore designed so that the tape feed table can be swiveled continuously around a king pin relative to the pipe axis can. This pivoting takes place automatically in cooperation with the sensing device, when the width of the tapered strip or the gap width changes. Kinematically the other way round can also made the feed table stationary and the deformation station pivotable about a pin will. The latter arrangement has the disadvantage that the pipe leg, d. H. the draining pipe, constantly changes its direction of discharge. The pivoting of the hinge leg is therefore usually easier. You can also combine both procedures in that the ligament limb is used to compensate gross deviations of the band and the pipe legs to compensate for the errors second Degree is moved.
Bandsäbelungen sind allerdings durch Besäumen erfahrungsgemäß wirtschaftlich nicht beseitigbar; meist werden sie dabei nur kopiert. Beim Zulaufen eines Bandes mit Säbeligkeiten kann zwar durch Ändern des Einlaufwinkels der Schweißspalt für kurze Zeit konstant gehalten werden; trotzdem ergeben sich mehr oder minder starke Formabweichungen des fertigen Rohres, weil Säbeligkeiten zu Konizitäten führen.However, experience has shown that band sabings cannot be removed economically by trimming; mostly they are only copied. When running in a band with saber-like can through Changing the inlet angle of the welding gap can be kept constant for a short time; surrender anyway There are more or less strong deviations in shape of the finished pipe because of saber-like behavior lead to conicities.
Mit der Erfindung sollen durch Säbeligkeiten vonWith the invention, by saberaticals of
Verfahren und Vorrichtung zum Konstanthalten des Schweißspalts beim Herstellen von
SchraubennahtrohrenMethod and device for keeping the welding gap constant when producing
Screw sutures
Anmelder:Applicant:
Mannesmann Aktiengesellschaft,Mannesmann Aktiengesellschaft,
Düsseldorf, Mannesmannufer 1 bDüsseldorf, Mannesmannufer 1 b
Als Erfinder benannt:
Dipl.-Ing. Gerd van Ceuyk,
Adolf Weiß, DüsseldorfNamed as inventor:
Dipl.-Ing. Gerd van Ceuyk,
Adolf Weiß, Düsseldorf
Band gleichbleibender Breite bedingte Formabweichungen des Rohrs bekämpft werden.Band of constant width caused deviations in shape of the pipe are combated.
Nach der Erfindung wird unter an sich bekannter Konstanthaltung des Emiaufwinkels α das Verstellen des Tisches bzw. der Verformungsstation durch Verschieben des Tisches parallel zur Rohrachse bzw. — kinematisch umgekehrt — durch Verschieben der Verformungsstation in der Rohrachse durchgeführt.According to the invention, the adjustment is carried out while keeping the angle of emanation α constant, which is known per se of the table or the forming station by moving the table parallel to the pipe axis or - kinematically reversed - carried out by moving the deformation station in the pipe axis.
Der Tisch bzw. die Verformungsstation laufen über Zapfen in Führungsschienen, die zur Rohrachse parallel sind.The table or the forming station run over pins in guide rails that are parallel to the pipe axis are.
Durch diese Maßnahme wird es möglich, ohne Steuerung des Einlaufwinkels den Schweißspalt und den Durchmesser des fertigen Rohres konstant zu halten.This measure makes it possible to adjust the welding gap and without controlling the inlet angle to keep the diameter of the finished pipe constant.
In der Zeichnung ist schematisch ein Ausführungsbeispiel der Erfindung dargestellt. Der Bandzuführungstisch 5, welcher den Bandhaspel 1, die Richtmaschine 2, die Bandkantenbearbeitungsvorrichtung 3 und den Treibapparat 4 trägt, weist an seinem hinteren Ende die Laufschiene 6 auf, deren Zapfen 7 und 8 in den beiden parallel zu der Rohrachse angeordneten Führungsschienen 9 bzw. 10 laufen. Unterhalb der Bandverformungsvorrichtung 11 ist, ebenfalls parallel zu der Rohrachse, die Führungsschiene 12 angeordnet, in welcher der Zapfen 13 gleitet. Mit 14 ist die übliche Führungsvorrichtung für das fertiggewickelte Rohr 15 dargestellt.An exemplary embodiment of the invention is shown schematically in the drawing. The strip feed table 5, which carries the strip reel 1, the straightening machine 2, the strip edge processing device 3 and the driving device 4, has the running rail 6 at its rear end, the pins 7 and 8 of which in the two guide rails 9 and 10, respectively, which are arranged parallel to the pipe axis to run. The guide rail 12, in which the pin 13 slides, is arranged below the band deformation device 11, likewise parallel to the pipe axis. With 14 the usual guide device for the finished wound pipe 15 is shown.
Weist das zulaufende Band 16 eine säbelförmige Abweichung auf, so wird mit Hilfe der (nicht dargestellten) Tast- und der mit diesen verbundenen Steuerorgane der Tisch 5 entsprechend parallel zu der Rohrachse verschoben, wodurch bei konstantem Einlaufwinkel der Schweißspalt und der Durchmesser des fertiggewickelten Rohres auf einem konstanten Wert gehalten werden.If the tapering strip 16 has a saber-shaped deviation, then with the aid of the (not shown) Tactile and the control elements connected to these, the table 5 correspondingly parallel to shifted along the pipe axis, whereby the welding gap and the diameter at a constant inlet angle of the finished wound pipe can be kept at a constant value.
«9 70S7105«9 70S7105
Claims (2)
Deutsche Patentschrift Nr. 527 391;Considered publications:
German Patent No. 527,391;
1104916;German exploratory documents No. 1118 128,
1104916;
französische Patentschrift Nr. 1023 904;
belgische Patentschrift Nr. 550 693;
britische Patentschrift Nr. 442 352.German utility model No. 1787 609;
French Patent No. 1023 904;
Belgian Patent No. 550 693;
British Patent No. 442 352.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEM54713A DE1180340B (en) | 1962-11-05 | 1962-11-05 | Method and device for keeping the welding gap constant when producing screw sutures |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEM54713A DE1180340B (en) | 1962-11-05 | 1962-11-05 | Method and device for keeping the welding gap constant when producing screw sutures |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1180340B true DE1180340B (en) | 1964-10-29 |
Family
ID=7308099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEM54713A Pending DE1180340B (en) | 1962-11-05 | 1962-11-05 | Method and device for keeping the welding gap constant when producing screw sutures |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1180340B (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE550693A (en) * | ||||
DE527391C (en) * | 1928-02-08 | 1931-06-17 | California Corrugated Culvert | Process for the manufacture of pipes by helically winding a sheet metal strip |
GB442352A (en) * | 1934-12-10 | 1936-02-06 | Wiley William Mcminn | Improvements relating to metallic tubular members |
FR1023904A (en) * | 1950-08-02 | 1953-03-25 | Armco Int Corp | Device and implementation of manufacturing spiral welded tube |
DE1787609U (en) * | 1959-02-03 | 1959-04-30 | Wilhelm Eckhardt | DEVICE FOR THE PRODUCTION OF STRIPES, PROFILE BARS OD. DGL. MANUFACTURED SPIRAL-SEAM-WELDED HOLLOW BODIES, IN PARTICULAR PIPES. |
DE1104916B (en) * | 1958-08-02 | 1961-04-20 | Alexander Kueckens | Method for controlling bandwidth deviations and seeding in the manufacture of screw suture pipes |
DE1118128B (en) * | 1958-07-08 | 1961-11-30 | Kocks Gmbh Friedrich | Pipe mill for the production of welded screw seam pipes with a strip edge sensor control to keep the welding gap equal |
-
1962
- 1962-11-05 DE DEM54713A patent/DE1180340B/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE550693A (en) * | ||||
DE527391C (en) * | 1928-02-08 | 1931-06-17 | California Corrugated Culvert | Process for the manufacture of pipes by helically winding a sheet metal strip |
GB442352A (en) * | 1934-12-10 | 1936-02-06 | Wiley William Mcminn | Improvements relating to metallic tubular members |
FR1023904A (en) * | 1950-08-02 | 1953-03-25 | Armco Int Corp | Device and implementation of manufacturing spiral welded tube |
DE1118128B (en) * | 1958-07-08 | 1961-11-30 | Kocks Gmbh Friedrich | Pipe mill for the production of welded screw seam pipes with a strip edge sensor control to keep the welding gap equal |
DE1104916B (en) * | 1958-08-02 | 1961-04-20 | Alexander Kueckens | Method for controlling bandwidth deviations and seeding in the manufacture of screw suture pipes |
DE1787609U (en) * | 1959-02-03 | 1959-04-30 | Wilhelm Eckhardt | DEVICE FOR THE PRODUCTION OF STRIPES, PROFILE BARS OD. DGL. MANUFACTURED SPIRAL-SEAM-WELDED HOLLOW BODIES, IN PARTICULAR PIPES. |
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