SE447348B - Forfarande och anordning for avrullning av ett upprullat stalror - Google Patents
Forfarande och anordning for avrullning av ett upprullat stalrorInfo
- Publication number
- SE447348B SE447348B SE7904943A SE7904943A SE447348B SE 447348 B SE447348 B SE 447348B SE 7904943 A SE7904943 A SE 7904943A SE 7904943 A SE7904943 A SE 7904943A SE 447348 B SE447348 B SE 447348B
- Authority
- SE
- Sweden
- Prior art keywords
- pipe
- tube
- cold
- outer diameter
- forming
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000000137 annealing Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/12—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by stretching with or without twisting
-
- 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
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
-
- 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
- B21C19/00—Devices for straightening wire or like work combined with or specially adapted for use in connection with drawing or winding machines or apparatus
-
- 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
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/02—Dies; Selection of material therefor; Cleaning thereof
- B21C3/04—Dies; Selection of material therefor; Cleaning thereof with non-adjustable section
-
- 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
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/02—Dies; Selection of material therefor; Cleaning thereof
- B21C3/08—Dies; Selection of material therefor; Cleaning thereof with section defined by rollers, balls, or the like
-
- 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
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/02—Dies; Selection of material therefor; Cleaning thereof
- B21C3/12—Die holders; Rotating dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2829058A DE2829058C2 (de) | 1978-07-01 | 1978-07-01 | Verfahren und Vorrichtung zum Abziehen eines zu einem Rohrbund aufgewickelten Stahlrohrs für die Zwecke seiner Weiterverarbeitung am geraden Rohrstrang |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7904943L SE7904943L (sv) | 1980-01-02 |
SE447348B true SE447348B (sv) | 1986-11-10 |
Family
ID=6043353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7904943A SE447348B (sv) | 1978-07-01 | 1979-06-06 | Forfarande och anordning for avrullning av ett upprullat stalror |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2829058C2 (fr) |
FR (1) | FR2429626A1 (fr) |
IT (1) | IT1116888B (fr) |
SE (1) | SE447348B (fr) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR584507A (fr) * | 1924-07-10 | 1925-02-09 | Perfectionnement aux machines à rétreindre | |
GB397566A (en) * | 1932-03-07 | 1933-08-31 | Harold Dyson | Improvements in or relating to wire drawing apparatus and the like |
US2378729A (en) * | 1941-12-17 | 1945-06-19 | Dow Chemical Co | Cold-working magnesium alloy tubes |
DE911365C (de) * | 1950-02-18 | 1954-05-13 | Reisholz Stahl & Roehrenwerk | Stossbank zum Strecken von Lochstuecken zu Rohren und Hohlkoerpern |
DE2131874C3 (de) * | 1971-06-26 | 1984-07-19 | Benteler-Werke Ag, 4794 Schloss Neuhaus | Vorrichtung zum Reduzieren von Rohrsträngen |
DE2249994C2 (de) * | 1972-10-12 | 1974-03-07 | Th. Kieserling & Albrecht, 5650 Solingen | Zieh-Rieht-Vorrichtung für Stangen oder Rohre |
US3855835A (en) * | 1973-12-10 | 1974-12-24 | B Tisdale | Apparatus for laying pipelines |
FR2320147A1 (fr) * | 1975-08-08 | 1977-03-04 | Revigny Metallurg | Machine a etirer, dresser, couper et polir |
FR2322675A1 (fr) * | 1975-09-03 | 1977-04-01 | Babasov Miknail | Dispositif pour l'etirage et le dressage de demi-produits ronds |
-
1978
- 1978-07-01 DE DE2829058A patent/DE2829058C2/de not_active Expired
-
1979
- 1979-06-06 SE SE7904943A patent/SE447348B/sv not_active IP Right Cessation
- 1979-06-18 IT IT49446/79A patent/IT1116888B/it active
- 1979-06-29 FR FR7917051A patent/FR2429626A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2829058C2 (de) | 1984-03-22 |
IT7949446A0 (it) | 1979-06-18 |
IT1116888B (it) | 1986-02-10 |
SE7904943L (sv) | 1980-01-02 |
FR2429626B1 (fr) | 1984-05-11 |
DE2829058A1 (de) | 1980-01-10 |
FR2429626A1 (fr) | 1980-01-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 7904943-3 Effective date: 19930109 Format of ref document f/p: F |