EP1644148A1 - Method for connecting components by riveting - Google Patents
Method for connecting components by rivetingInfo
- Publication number
- EP1644148A1 EP1644148A1 EP04740698A EP04740698A EP1644148A1 EP 1644148 A1 EP1644148 A1 EP 1644148A1 EP 04740698 A EP04740698 A EP 04740698A EP 04740698 A EP04740698 A EP 04740698A EP 1644148 A1 EP1644148 A1 EP 1644148A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rivet
- forming
- projection
- riveting
- protrusion
- 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
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000012937 correction Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract 5
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000007493 shaping process Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/02—Riveting procedures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/28—Control devices specially adapted to riveting machines not restricted to one of the preceding subgroups
Definitions
- the invention relates to a method for connecting components, in which at least one rivet reaches through at least one component and a closing head of the rivet or any molded part is molded on by means of a forming machine.
- the rivet is inserted through the component in order to position a component pair or a component rivet connection and a rivet protrusion is determined. If a measured or determined rivet projection is outside a minimum or maximum range or
- Rivet protrusion area a constant ⁇ rivet result is not guaranteed and the machine stops or the rivet connection is declared as an exclusion.
- the disadvantage here is that very narrow tolerance ranges must be observed. It is therefore necessary to use rivets that are exactly within the tolerance range.
- the hole reveal or the component must also be finished or manufactured within very narrow tolerance ranges, so that optimal riveting is guaranteed in the riveting process.
- rivet connections are increasingly being used to connect components in large numbers, rivets are often used which are manufactured in automatic lathes at quite high costs.
- rivets can be used which are produced, for example, cold-hammered and are therefore much cheaper to produce, but which have a larger tolerance range due to a more favorable manufacturing process.
- the cold rivets can have a tolerance range of about 1 mm.
- the overhang tolerance of the rivet overhang in this example is in the tolerance range of about 0.3 mm. Therefore, in the riveting or forming process, since a constant forming path or a constant forming time is preselected, these cannot be used to obtain a required and specified rivet connection.
- the present invention is based on the object
- a rivet protrusion of the rivet shaft is exactly determined for each rivet connection or component pair comprising the rivet and component before the shaping process or before the shaping. If the rivet protrusion is within the tolerance range, the forming path and the forming time of the closing head are deformed to the correct rivet connection using preselected forming parameters. However, if the rivet penetrating the component exceeds the permissible rivet protrusion, in the method according to the invention the rivet or forming process is automatically compensated for the respective rivet connection when determining the actual rivet protrusion, in which the forming path, forming time and forming force are changed and adjusted so that another perfect riveting can be guaranteed.
- the forming process is preferably automatically redetermined or its parameters are newly determined and set depending on the deviation from the required rivet projection.
- a percentage of the amount of the exceeding or falling below the permissible rivet projection is used as the correction factor as a correction factor for the forming process parameters, such as the forming path, the forming force and the forming time.
- measuring elements if necessary, for determining the actual rivet projection.
- mechanical probes are also used, one of which scans the base surface of the component and the second, usually directly connected to the riveting tool, measures the height of the rivet when it is placed on it in order to determine the rivet protrusion.
- the two sensing elements lie in a common measuring axis. This allows measurements to be made with just one measuring channel.
- the measurement results can be calculated in real time in a computing unit.
- rivets with wide manufacturing tolerances can be used in the present invention in order to obtain a continuous reliable riveting result.
- This enables considerable savings to be made in the manufacturing process by using less expensive rivets.
- a high level of accuracy and permanent process and rivet monitoring are ensured during the production process, even with conventional rivets, with the error rate in the forming or riveting process being minimized or even eliminated.
- Figure 1 is a schematically illustrated view of a rivet, inserted into an opening of a component before the forming, in particular riveting process;
- FIG. 2 shows a schematically represented view of a pair of components after the forming process, in particular a correctly deformed closing head
- FIG. 3 shows a schematically illustrated view of a pair of components, in particular a rivet and a component with an incorrect closing head and deformed reveal;
- FIG. 4 shows a schematically illustrated view of a rivet connection with errors, with insufficient rivet projection and faulty closing head
- FIG. 5 shows a schematically represented view of a correct closing head of a rivet connection when the rivet protrusion is too large
- Figure 6 is a schematically illustrated view of a rivet connection when the rivet projection is too small but the correct closing head and correct rivet connection.
- a rivet 1 is pushed through an opening 2 in order to produce a rivet connection or component pairing until a shoulder 3 of the rivet 1 rests on a perforation 4 of the component 5.
- a cylinder-like rivet shaft 1 or a component 1 to be deformed engages the opening 2 and protrudes from the component 5 in a rivet projection U. After the deformation, the rivet shaft la or the component to be deformed is deformed into a rivet head 6.
- a rivet 1 can, as is expressly pointed out here, also be understood to mean a protrusion of a component which is to be connected to another component by shaping. For the sake of simplicity, the wording rivets is chosen in the present application as the protrusion of a component.
- the rivet protrusion U moves within a tolerance range of the conventional manufacturing or riveting process. It can be predefined, a minimum rivet projection U m i n or a maximum rivet projection U ma ⁇ to adjust for fixed a conventional forming or riveting the deformation parameters, the forming force, strain, deformation way and forming time to at this particular machine setting a constant Nietmay to achieve which is still within the permissible tolerance range.
- Component pairings or rivets with a rivet projection U, which exceed the rivet projection U m i n or J max upward or downward are excreted as waste.
- the closing head 6 is shaped, as is shown in particular in FIG. 2, so that a closing head height H is formed.
- the closing head 6 is thickened in the area of the reveal 4.
- the closing head 6 also forms a sufficient overlap over the reveal 4 or opening 2 or bore, with no significant deformation of the component 5 in the region of the Reveal of the hole can be seen. This closing head 6 is correctly shaped.
- the closing head 6 is not correctly deformed because the reveal 4 is deformed. This can be due to the fact that, in a conventional riveting or forming process, the rivet projection U is too large and a permissible rivet projection U max has been exceeded. To achieve a constant closing head height H, if the rivet projection U is too high, the component 5 or sheet metal, in particular its perforated reveal 4, is bent or expanded and the shoulder 3 of the rivet 1 is compressed. The rivet connection is not correct.
- a second possible error is that when falling below a rivet projection U or rivet projection U m i n, as is shown in particular in the embodiment according to FIG 4, to obtain a correct closing head 6 at a constant Schliesskopfhohe too little H
- Material for the closing head 6 is present during the forming process, so that there is no sufficient overlap of the closing head 6 via the reveal 4 or opening 2 and, in addition, no compression or pressing of the rivet 1 is ensured within the opening 2, so that there is no adequate rivet connection arises.
- FIG. 5 it is shown that when the method according to the invention is carried out by the actual
- an exact rivet protrusion U is first determined before the rivet begins. Then, in the present method according to the invention, based on the rivet protrusion to achieve a specified and correct rivet connection, the forming path, the forming time, forming force, etc. are automatically set or respectively via the respective rivet connection or for the actually existing rivet protrusion in the forming machine or in the riveting machine. customized .
- the forming or riveting machine controls a new closing head height H by a certain percentage of the error X by which the rivet projection U is too large , on, ie riveting by a selectable percentage X is less than with a conventional method.
- a rivet can be used that has any rivet projection that goes beyond the maximum rivet projection U raax in order to ensure or perform perfect riveting.
- Forming parameters such as forming path, forming time, forming force, etc., are adjusted.
- the rivet projection U um an amount X of the rivet 1 is too small
- the forming machine controls to a new closing head height H, which has been reduced by a certain percentage of the amount or error X, ie, it becomes Riveted by a certain percentage, which depends on the amount X of the rivet protrusion U which is too small or too low.
- the rivet protrusion U or the actual rivet protrusion is also determined and then automatically influenced on a new rivet to be moved or riveted Closing head height with corresponding automatic adjustment of the forming time and forming path or riveting time and riveting path.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10332474A DE10332474A1 (en) | 2003-07-16 | 2003-07-16 | Method for connecting components by means of rivets |
PCT/EP2004/007373 WO2005007319A1 (en) | 2003-07-16 | 2004-07-06 | Method for connecting components by riveting |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1644148A1 true EP1644148A1 (en) | 2006-04-12 |
EP1644148B1 EP1644148B1 (en) | 2009-12-16 |
Family
ID=34071727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04740698A Active EP1644148B1 (en) | 2003-07-16 | 2004-07-06 | Method for connecting components by riveting |
Country Status (6)
Country | Link |
---|---|
US (1) | US20080051926A1 (en) |
EP (1) | EP1644148B1 (en) |
AT (1) | ATE451984T1 (en) |
CA (1) | CA2532888A1 (en) |
DE (2) | DE10332474A1 (en) |
WO (1) | WO2005007319A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9764376B2 (en) | 2009-04-01 | 2017-09-19 | David L. LeMieux | System for rivet fastening |
JP6177341B2 (en) * | 2012-11-26 | 2017-08-09 | レミュー,デイビッド・エルLemieux, David L. | System for fastening rivets |
CH712279A1 (en) * | 2016-03-18 | 2017-09-29 | Baltec Maschb Ag | Device for acting on a connecting element with a loading force. |
CN112974718B (en) * | 2021-04-21 | 2023-02-28 | 广东鸿图武汉压铸有限公司 | Rivet riveting device suitable for casting and height compensation riveting method |
DE202022105367U1 (en) | 2022-09-23 | 2022-10-17 | Baltec Ag | Device for forming a workpiece |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3874070A (en) * | 1973-08-03 | 1975-04-01 | Boeing Co | High fatigue squeeze riveting process and apparatus therefor |
US5216819A (en) * | 1990-12-21 | 1993-06-08 | The Boeing Company | Method of detecting long and short rivets |
DE59700494D1 (en) * | 1996-07-25 | 1999-11-04 | Bodmer Kuesnacht Ag Kuesnacht | Checking device, in particular for deformation machines |
US6011482A (en) * | 1997-11-26 | 2000-01-04 | The Boeing Company | Fastener protrusion sensor |
US6014804A (en) * | 1998-06-12 | 2000-01-18 | The Boeing Company | Low voltage electromagnetic process and apparatus for controlled riveting |
DE19846463C2 (en) * | 1998-10-08 | 2002-10-31 | Masch Und Werkzeugbau Dorothe | Method for controlling a riveting device and such a device |
DE10150264B4 (en) * | 2001-10-11 | 2006-12-21 | Airbus Deutschland Gmbh | Method and device for rivet selection for riveted joints |
-
2003
- 2003-07-16 DE DE10332474A patent/DE10332474A1/en not_active Withdrawn
-
2004
- 2004-07-06 CA CA002532888A patent/CA2532888A1/en not_active Abandoned
- 2004-07-06 AT AT04740698T patent/ATE451984T1/en not_active IP Right Cessation
- 2004-07-06 WO PCT/EP2004/007373 patent/WO2005007319A1/en active Application Filing
- 2004-07-06 US US10/564,847 patent/US20080051926A1/en not_active Abandoned
- 2004-07-06 EP EP04740698A patent/EP1644148B1/en active Active
- 2004-07-06 DE DE502004010524T patent/DE502004010524D1/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2005007319A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE502004010524D1 (en) | 2010-01-28 |
EP1644148B1 (en) | 2009-12-16 |
CA2532888A1 (en) | 2005-01-27 |
US20080051926A1 (en) | 2008-02-28 |
ATE451984T1 (en) | 2010-01-15 |
DE10332474A1 (en) | 2005-02-24 |
WO2005007319A1 (en) | 2005-01-27 |
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