EP0034549B1 - Procédé de dudgeonnage et outil susceptible d'être utilisé pour la mise en oeuvre de ce procédé - Google Patents
Procédé de dudgeonnage et outil susceptible d'être utilisé pour la mise en oeuvre de ce procédé Download PDFInfo
- Publication number
- EP0034549B1 EP0034549B1 EP81420011A EP81420011A EP0034549B1 EP 0034549 B1 EP0034549 B1 EP 0034549B1 EP 81420011 A EP81420011 A EP 81420011A EP 81420011 A EP81420011 A EP 81420011A EP 0034549 B1 EP0034549 B1 EP 0034549B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bore
- tube
- inside surface
- tool
- projections
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000000463 material Substances 0.000 claims description 9
- 238000003754 machining Methods 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/06—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes in openings, e.g. rolling-in
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4935—Heat exchanger or boiler making
- Y10T29/49373—Tube joint and tube plate structure
- Y10T29/49375—Tube joint and tube plate structure including conduit expansion or inflation
Definitions
- Pipe expansion is a process well known in the art for attaching a tube to a support plate.
- a bore is made in the plate and the end of the tube is engaged in this bore.
- the outer wall of the tube is then applied by expansion against the inner surface of the bore of the plate using a dudgeon consisting of a plurality of rollers arranged around a conical pin (see US-A-1,881 867).
- this grooving process can only be used for the expansion of thick tubes because thin tubes, for example less than 1 millimeter thick, tend to crack at the edges of the grooves. Furthermore, if the grooving improves the attachment of the tube to the plate, the sealing remains practically unchanged.
- the present invention aims to overcome these drawbacks by providing a expansion method applicable more particularly to expansion of thin tubes which on the one hand improves sealing and on the other hand can be implemented in a simple and inexpensive manner.
- the present invention relates to a expansion method in which at least one bore is formed in a metal plate to receive the end of a tube.
- at least one annular projection is formed which projects beyond the interior surface of the bore; each projection has an extension measured parallel to the axis of the tube at most equal to one millimeter, and it radially exceeds the internal surface of the bore only by a small value, at most two tenths of a millimeter.
- the annular projections are produced by the discharge of material on the interior surface of the bore.
- This discharge can advantageously be carried out by machining similar to swaging, but carried out directly on the bore of the plate, this before placing the end of the tube in the bore.
- the present invention also relates to a tool in the form of a dudgeon capable of being used to produce the annular projections by the discharge of metal onto the surface of the bore.
- this tool in the form of a dudgeon, has an outer casing which has annularly hollow parts at least partially complementary to the annular projections to be formed on the internal surface of the bore, and raised parts intended to push the material of the inner surface of the bore in said recessed portions.
- Such a dudgeon-shaped tool can for example be obtained by replacing the conventional conical rollers of a dudgeon with a plurality of balls.
- the tool is obtained by replacing the conventional conical rollers with conical rollers which each have annular grooves of shape complementary to those of the projections to be formed on the inner surface of the bore.
- the rollers of this tool have intermediate parts, the level of which is between that of the hollow parts and that of the raised parts, this to suddenly increase the resistive torque when said intermediate parts come into contact with the inner surface of the bore.
- the present invention also relates to an assembly of at least one tube on a plate, this assembly being carried out by the above method.
- Figure 1 shows a tube (1) expanded in a plate (2).
- the thickness of the tube has been very clearly exaggerated compared to its diameter in order to make it more readable.
- a bore (3) is first made in the plate (2) at a diameter slightly greater than the outside diameter of the tube (1).
- Annular projections (4) are then formed by any known means, for example by discharge of material on the inner surface of the bore (3).
- the projections (4) here have a substantially isosceles section.
- the end of the tube (1) is then engaged in the bore (3) provided with the projections (4) where it is expanded in a conventional manner.
- a single projection (4) may be sufficient, but several are preferably provided to take account of the fact that the extreme projections can be damaged when the tube (1) is engaged in the bore (3).
- FIGS 2 and 4 show another embodiment of the invention.
- Figure 2 shows a tube (11) expanded in a plate (12). Prior to the introduction of the tube (11) into the bore (13) of the plate (12), there were formed on the inner surface of the bore (13) projections (14) whose profile is shown more in detail in figure 4.
- the projections (14) have an axial extension 1 which is of the order of 5 tenths of a millimeter or less.
- the height e which it exceeds from the surface (15) of the bore is of the order of 3 to 5 hundredths of a millimeter.
- the bore (13) also includes recessed areas (16) alternated with the areas (15) where the surface of the bore has not been modified.
- the protrusions (14) are produced by the discharge of material using a tool (20) in the form of a dudgeon, comprising, like conventional dudgeons, a conical pin (21) around which are rollers of generally conical shape. (22) so that the outer casing of the rollers (22) is generally cylindrical.
- the rollers (22) are machined to form recessed parts (23) complementary to the projections (14) and raised parts (24) liable, during the prior machining of the plate (12), in the absence of the tube (11), to push the material from the inner surface of the bore into the hollow parts (23) to form the projections (14). It can also be seen that the rollers (22) have intermediate parts (25) the level of which is between the bottom of the hollow parts (23) and the surface of the raised parts (24).
- the raised parts (24) push the material of the plate back into the hollow parts (23) and sink into the surface of the bore until the parts (25) of intermediate levels come into contact with the surface (15) of the bore.
- the torque of the tool (20) around its axis increases suddenly so that it is possible to adjust the machining to a determined torque with very high operating reliability.
- FIG. 3 represents another variant in which a tube (31) is expanded in a plate (32).
- the bore (33) was previously shaped in the absence of the tube (31), using a tool formed by replacing the rollers of a conventional dudgeon with a plurality of balls. This results in protrusions (34) separated by toric recesses (35).
- the toric recesses (35) are alternated with areas (36) corresponding to the original surface of the bore (3).
- the overall machining tolerances are practically the same as under the conditions of conventional expansion. It suffices to provide a minimum clearance between the tube (1) and the original bore (3) which is greater than the normal clearance of twice the thickness of the projections (4). For example, if the projections have a height e equal to 5 centimeters of millimeter, the additional clearance will have to be of a tenth of millimeter.
- Tubes (1-11-31) of external diameter (d) of 19 mm in stainless steel and titanium and of wall thickness (E) of 0.4 and 0.5 mm as well as tubes of stainless steel of diameter outside (d) of 32 mm and thickness (E) of 0.25 mm were expanded in support plates (2) in steel, aluminum, bronze and cupro-aluminum. It only took two fine annular projections according to the invention to obtain a very good seal, this without excessive deformation of the metal.
Landscapes
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Lubricants (AREA)
- Supports For Pipes And Cables (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Golf Clubs (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Disintegrating Or Milling (AREA)
- Forging (AREA)
- Joints Allowing Movement (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Adornments (AREA)
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT81420011T ATE5129T1 (de) | 1980-02-15 | 1981-02-12 | Verfahren zum einrollen von rohren in platten und werkzeug zur durchfuehrung dieses verfahrens. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8003348A FR2475949A1 (fr) | 1980-02-15 | 1980-02-15 | Procede de dudgeonnage, dudgeon susceptible d'etre utilise pour la mise en oeuvre de ce procede, et assemblage obtenu a l'aide de ce procede |
FR8003348 | 1980-02-15 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0034549A2 EP0034549A2 (fr) | 1981-08-26 |
EP0034549A3 EP0034549A3 (en) | 1981-09-02 |
EP0034549B1 true EP0034549B1 (fr) | 1983-10-26 |
Family
ID=9238616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81420011A Expired EP0034549B1 (fr) | 1980-02-15 | 1981-02-12 | Procédé de dudgeonnage et outil susceptible d'être utilisé pour la mise en oeuvre de ce procédé |
Country Status (10)
Families Citing this family (132)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5916634A (ja) * | 1982-07-19 | 1984-01-27 | Riken Corp | 管状部材と環体部品の結合構造とその結合方法 |
US4505017A (en) * | 1982-12-15 | 1985-03-19 | Combustion Engineering, Inc. | Method of installing a tube sleeve |
JPS61133229U (enrdf_load_stackoverflow) * | 1985-02-01 | 1986-08-20 | ||
AT383063B (de) * | 1985-09-19 | 1987-05-11 | Simmering Graz Pauker Ag | Werkzeug zum eindrehen feiner walzrillen in die bohrungen von rohrboeden oder in den mantel von rohren |
DE3716328C3 (de) * | 1987-05-15 | 1994-07-28 | Bbc Reaktor Gmbh | Hohlstopfen zum Verschließen eines Wärmetauscherrohres |
DE3929080C2 (de) * | 1989-09-01 | 1996-06-27 | Mak Maschinenbau Krupp | Verfahren und Vorrichtung zur Behandlung der Oberflächen von reibschlüssig miteinander zu verbindenden Bauteilen |
RU2160174C2 (ru) * | 1997-05-28 | 2000-12-10 | Самарский государственный аэрокосмический университет им.С.П.Королева | Способ закрепления труб в трубных решетках |
RU2129056C1 (ru) * | 1997-10-20 | 1999-04-20 | Самарский государственный аэрокосмический университет им.С.П.Королева | Способ закрепления труб в трубных решетках |
RU2133164C1 (ru) * | 1997-10-21 | 1999-07-20 | Самарский государственный аэрокосмический университет им.С.П.Королева | Способ закрепления труб в трубных решетках |
RU2133165C1 (ru) * | 1997-10-21 | 1999-07-20 | Самарский государственный аэрокосмический университет им.С.П.Королева | Способ закрепления труб в трубных решетках |
RU2160175C2 (ru) * | 1998-03-17 | 2000-12-10 | Самарский государственный аэрокосмический университет им. С.П. Королева | Способ закрепления труб в трубных решетках |
US6557640B1 (en) | 1998-12-07 | 2003-05-06 | Shell Oil Company | Lubrication and self-cleaning system for expansion mandrel |
US7121352B2 (en) | 1998-11-16 | 2006-10-17 | Enventure Global Technology | Isolation of subterranean zones |
US6823937B1 (en) | 1998-12-07 | 2004-11-30 | Shell Oil Company | Wellhead |
US7231985B2 (en) | 1998-11-16 | 2007-06-19 | Shell Oil Company | Radial expansion of tubular members |
AU2001269810B2 (en) | 1998-11-16 | 2005-04-07 | Shell Oil Company | Radial expansion of tubular members |
US6712154B2 (en) * | 1998-11-16 | 2004-03-30 | Enventure Global Technology | Isolation of subterranean zones |
US7357188B1 (en) * | 1998-12-07 | 2008-04-15 | Shell Oil Company | Mono-diameter wellbore casing |
US7603758B2 (en) | 1998-12-07 | 2009-10-20 | Shell Oil Company | Method of coupling a tubular member |
US6745845B2 (en) * | 1998-11-16 | 2004-06-08 | Shell Oil Company | Isolation of subterranean zones |
US6575240B1 (en) | 1998-12-07 | 2003-06-10 | Shell Oil Company | System and method for driving pipe |
US6634431B2 (en) * | 1998-11-16 | 2003-10-21 | Robert Lance Cook | Isolation of subterranean zones |
GB2344606B (en) * | 1998-12-07 | 2003-08-13 | Shell Int Research | Forming a wellbore casing by expansion of a tubular member |
US7185710B2 (en) | 1998-12-07 | 2007-03-06 | Enventure Global Technology | Mono-diameter wellbore casing |
US7552776B2 (en) | 1998-12-07 | 2009-06-30 | Enventure Global Technology, Llc | Anchor hangers |
US7195064B2 (en) | 1998-12-07 | 2007-03-27 | Enventure Global Technology | Mono-diameter wellbore casing |
US6739392B2 (en) * | 1998-12-07 | 2004-05-25 | Shell Oil Company | Forming a wellbore casing while simultaneously drilling a wellbore |
US7363984B2 (en) | 1998-12-07 | 2008-04-29 | Enventure Global Technology, Llc | System for radially expanding a tubular member |
AU3792000A (en) | 1998-12-07 | 2000-12-21 | Shell Internationale Research Maatschappij B.V. | Lubrication and self-cleaning system for expansion mandrel |
AU770359B2 (en) * | 1999-02-26 | 2004-02-19 | Shell Internationale Research Maatschappij B.V. | Liner hanger |
US7055608B2 (en) | 1999-03-11 | 2006-06-06 | Shell Oil Company | Forming a wellbore casing while simultaneously drilling a wellbore |
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SG2014009591A (en) | 2011-09-02 | 2014-09-26 | Victaulic Co Of America | Spin forming method |
CN107666948B (zh) | 2015-05-29 | 2021-09-10 | 康宁股份有限公司 | 蜂窝式过滤器的封堵以及用于封堵蜂窝式过滤器的设备 |
KR101682229B1 (ko) * | 2016-07-11 | 2016-12-02 | 박인규 | 폐기열 회수 열교환기 |
RU185633U1 (ru) * | 2018-05-03 | 2018-12-13 | Общество с ограниченной ответственностью "Уральские локомотивы" | Приспособление для рихтовки заходного участка трубной части медного трубчатого кабельного наконечника |
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FR1305575A (fr) * | 1961-08-25 | 1962-10-05 | Commissariat Energie Atomique | Procédé et appareil de fixation étanche d'un tube sur un fourreau ou analogue |
DE2505973A1 (de) * | 1975-02-13 | 1976-08-26 | Interatom | Dichte verbindung von rohrleitungen mit einem flansch an vakuumanlagen |
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- 1980-02-15 FR FR8003348A patent/FR2475949A1/fr active Granted
- 1980-12-29 IN IN1442/CAL/80A patent/IN153730B/en unknown
-
1981
- 1981-02-02 US US06/230,531 patent/US4413395A/en not_active Expired - Fee Related
- 1981-02-11 CA CA000370637A patent/CA1150571A/fr not_active Expired
- 1981-02-12 IT IT8119680A patent/IT1135430B/it active
- 1981-02-12 DE DE8181420011T patent/DE3161253D1/de not_active Expired
- 1981-02-12 EP EP81420011A patent/EP0034549B1/fr not_active Expired
- 1981-02-12 BR BR8100857A patent/BR8100857A/pt not_active IP Right Cessation
- 1981-02-12 AT AT81420011T patent/ATE5129T1/de not_active IP Right Cessation
- 1981-02-13 JP JP1914581A patent/JPS56131026A/ja active Pending
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US2735294A (en) * | 1956-02-21 | fisher | ||
US1881867A (en) * | 1930-09-22 | 1932-10-11 | Vilter Mfg Co | Method of attaching annular elements to supporting structures |
US1878049A (en) * | 1930-09-25 | 1932-09-20 | Gustav Wiedeke Company | Tube expander |
US1988418A (en) * | 1933-11-01 | 1935-01-15 | Scovill Manufacturing Co | Method of securing tubes in tube sheets and article produced thereby |
FR908952A (fr) * | 1944-08-07 | 1946-04-24 | Procédé d'emmanchement de corps creux | |
DE923488C (de) * | 1951-08-17 | 1955-02-14 | Steinmueller Gmbh L & C | Walzverbindung von Rohren, insbesondere Kesselrohren, in Platten, Trommeln, Flanschen od. dgl. |
FR1305575A (fr) * | 1961-08-25 | 1962-10-05 | Commissariat Energie Atomique | Procédé et appareil de fixation étanche d'un tube sur un fourreau ou analogue |
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Also Published As
Publication number | Publication date |
---|---|
US4413395A (en) | 1983-11-08 |
CA1150571A (fr) | 1983-07-26 |
FR2475949A1 (fr) | 1981-08-21 |
JPS56131026A (en) | 1981-10-14 |
DE3161253D1 (en) | 1983-12-01 |
ATE5129T1 (de) | 1983-11-15 |
EP0034549A2 (fr) | 1981-08-26 |
EP0034549A3 (en) | 1981-09-02 |
IT1135430B (it) | 1986-08-20 |
IN153730B (enrdf_load_stackoverflow) | 1984-08-11 |
BR8100857A (pt) | 1981-08-25 |
IT8119680A0 (it) | 1981-02-12 |
FR2475949B1 (enrdf_load_stackoverflow) | 1984-03-02 |
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