MX9801793A - Metodo y dispositivo para producir tubos laminados por presion, con engrosamiento de la pared interna en los extremos. - Google Patents
Metodo y dispositivo para producir tubos laminados por presion, con engrosamiento de la pared interna en los extremos.Info
- Publication number
- MX9801793A MX9801793A MX9801793A MX9801793A MX9801793A MX 9801793 A MX9801793 A MX 9801793A MX 9801793 A MX9801793 A MX 9801793A MX 9801793 A MX9801793 A MX 9801793A MX 9801793 A MX9801793 A MX 9801793A
- Authority
- MX
- Mexico
- Prior art keywords
- pressure
- mandrel
- thickened wall
- pressure rollers
- semi
- Prior art date
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
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
-
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
- B21D22/16—Spinning over shaping mandrels or formers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H7/00—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons
- B21H7/18—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons grooved pins; Rolling grooves, e.g. oil grooves, in articles
- B21H7/187—Rolling helical or rectilinear grooves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Forging (AREA)
- Extrusion Of Metal (AREA)
Abstract
La invencion se refiere a un método para producir tubos (3) laminados por presion con un mandril (1) de presion y uno o más rodillos (2) de presion, este tubo (3) se dispone ente el mandril (1) de presion y los rodillos de presion (2) y se deforma plásticamente por medio de la fuerza de la carga aplicada de los rodillos (2) de presion. Para producir tubos con engrosamientos de la pared de extremo, se propone usar en una primera operacion de trabajo, un primer mandril de presion (1a) con un soporte (4) de extremo de cabeza movil, de manera que los rodillos (2) de presion comiencen en trabajo de transformacion en el soporte (4) de extremo de cabeza movil y trabajen en la direccion del eje de la máquina, en seguida el tubo (3a) semi-acabado se toma desde el primer mandril de presion (1a), en la segunda operacion de trabajo el tubo (3a) semi-acabado se sujeta con el engrosamiento (5) de pared, el cual ya se ha producido en un plato de torno (6) (eje de tension o similar), montado en la máquina laminadora de presion, y un segundo mandril (1b) de presion, sujeto en el extremo de la cabeza movil, con un diámetro externo (d2) que corresponde al diámetro interno del engrosamiento de pared, es empujado dentro del tubo semi-acabado (3a) y en seguida los rodillos de presion (2) forman el segundo engrosamiento de pared desde el extremo de cabeza movil, en la direccion del extremo del eje de la máquina.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19532951A DE19532951A1 (de) | 1995-09-07 | 1995-09-07 | Verfahren und Vorrichtung zur Herstellung von drückgewalzten Rohren mit inneren Wandverdickungen an den Enden |
| DE19532951.1 | 1995-09-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MX9801793A true MX9801793A (es) | 1998-08-30 |
| MXPA98001793A MXPA98001793A (es) | 1998-11-12 |
Family
ID=
Also Published As
| Publication number | Publication date |
|---|---|
| US6038901A (en) | 2000-03-21 |
| ATE195274T1 (de) | 2000-08-15 |
| EP0850114A1 (de) | 1998-07-01 |
| CZ48098A3 (cs) | 1999-05-12 |
| KR19990044435A (ko) | 1999-06-25 |
| CA2228570A1 (en) | 1997-03-13 |
| JPH11512028A (ja) | 1999-10-19 |
| CN1195306A (zh) | 1998-10-07 |
| DE59605725D1 (de) | 2000-09-14 |
| DE19532951A1 (de) | 1997-03-13 |
| WO1997009135A1 (de) | 1997-03-13 |
| EP0850114B1 (de) | 2000-08-09 |
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