CN104624769A - Internal pressure forming and heat treatment integration device and method - Google Patents
Internal pressure forming and heat treatment integration device and method Download PDFInfo
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- CN104624769A CN104624769A CN201510003467.6A CN201510003467A CN104624769A CN 104624769 A CN104624769 A CN 104624769A CN 201510003467 A CN201510003467 A CN 201510003467A CN 104624769 A CN104624769 A CN 104624769A
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Abstract
The invention discloses an internal pressure forming and heat treatment integration device. A sealing punch is divided into a lower sealing punch and an upper sealing punch. A die assembly pushing plate is divided into a right pushing plate and a left pushing plate. A die is divided into a left die and a right die. The die is placed between the left pushing plate and the right pushing plate of the die assembly pushing plate. The right die of the die is connected with the right pushing plate. The left die of the die is connected with the left pushing plate. Elastic devices are arranged on the left die and the right die of the die. Heating devices are embedded into the left die and the right die respectively. Medium channels are formed on the lower sealing punch and the upper sealing punch. The lower sealing punch is communicated with a liquid medium source through a single-way valve and a medium channel switch. The heating devices are connected with a power supply through leads. Power supply switches are arranged on the leads. A method is divided into ten steps. Designing is scientific and reasonable, performance is stable, the technology is simple, working efficiency is high, finished product accuracy and the passing rate are high, and high promotion value is achieved.
Description
Technical field
The present invention relates to a kind of integrated apparatus and method, particularly relate to a kind of in pressing formation and heat treatment integrated apparatus and method, belong to industrial manufacturing technology field.
Background technology
During industry manufactures, be shaped, simultaneously the integration that becomes second nature obtain the best serviceability of component and the best-of-breed technology approach of enhancing productivity.Hollow section component has high composite bending modulus and torsional modulus, is considered to realize structure lightened optimum structure form, is widely used in the fields such as Aeronautics and Astronautics, automobile and bicycle.
During hollow member heat treatment, because inside does not support, structural stress can cause cross sectional shape to change, and therefore cannot obtain high form accuracy and structure property simultaneously; Current hollow section component still extensively adopts forging press to carry out excellent suitability for press forming and heat treatment separately to carry out method in producing, this kind of device and method unstable properties, complex process, operating efficiency are low and finished product accuracy is low, qualification rate is low, which prevent a large amount of production and the extensive use of this class A of geometric unitA.Therefore need a kind of device of more advanced science and technical method can realize hollow section component shaping, become second nature integration.
Summary of the invention
In order to the weak point in solving the problem, the invention provides a kind of in pressing formation and heat treatment integrated apparatus and method.
In order to solve above technical problem, the technical solution used in the present invention is: pressing formation and heat treatment integrated apparatus in a kind of, and comprise sealing punch, matched moulds push pedal, mould, heater element, sealing punch is divided into lower seal drift and upper sealing punch; Matched moulds push pedal is divided into right push pedal and left push pedal two parts; Mould is divided into left mould and right mould two parts, and mould is between the right push pedal and left push pedal of matched moulds push pedal;
The right mould of mould is connected with right push pedal, and the left mould of mould is connected with left push pedal; The left mould of mould and right mould are provided with elastic element; Heater element is embedded in left mould and right mould respectively;
Lower seal drift and upper sealing punch all have medium channel; Lower seal drift is connected with liquid medium source with medium channel switch by check valve; Upper sealing punch is communicated with the external world by medium channel, overflow valve and relief valve; Heater element is connected with power supply by wire; Wire is provided with power switch.
Heater element is induction coil; Mould is ceramic die.
Heater element is low-resistivity copper alloy electrode, insulate between electrode and mould, and in matched moulds process, electrode contacts with blank end and holds tightly.The profile that mould contacts with pipe is insulating materials.
Power supply is large power supply, and large power supply is the power supply of current range 0 ~ 5000000A, voltage range 0 ~ 36V.
Power supply is pulse current power supply, pulse frequency 0 ~ 10000Hz, amplitude 0 ~ 100000A, the power supply of voltage range 0 ~ 100000V.
Interior pressing formation and heat treatment integral method, its concrete steps are:
A, adopt corresponding heater element, lower seal drift, upper sealing punch and mould according to the shape of hollow member for processing;
B, select suitable liquid medium, liquid medium is gasifiable medium, and gasification temperature raises with the rising of pressure;
C, forming temperature according to hollow member, the cracking pressure of adjustment relief valve;
D, liquid medium source internal pressure is adjusted to process requirements value, its main points are the cracking pressure that medium source internal pressure is less than relief valve, generally should be 0 ~ 20MPa;
The initial pipe that c, selected shape are suitable, is placed on lower seal drift by initial pipe, and then lower seal drift and upper sealing punch seal pipe; Open medium channel switch, liquid medium by check valve and medium channel filling pipe inner chamber, has liquid medium to overflow to overflow valve, then closing outflow valve under the effect of therein pressure;
F, power switch are closed, and heater element is energized, and initial blank temperature progressively raises; Meanwhile, right push pedal and the left push pedal of matched moulds push pedal start out movement, promote left mould and the right mould matched moulds gradually of mould, left mould contacts with initial pipe with the interior profile of right mould, initial pipe starts distortion under the thrust of matched moulds push pedal and the acting in conjunction of internal pressure, matched moulds push pedal persistent movement, completely closed to mould, and apply mold clamping force;
G, along with energising continues, blank temperature rises to liquid medium gasification temperature, and liquid medium gasifies, and causes internal pressure to raise, after internal pressure rises to relief valve unlatching, and internal pressure and initial pipe temperature constant; Initial pipe pastes contour forming under internal pressure effect in this process.Its main points are that power should ensure that being closed to pipe subsides contour forming from power switch should complete in 0 ~ 60 second;
H, heat treatment temperature according to hollow member, the cracking pressure of adjustment relief valve, its main points are, liquid medium gasification temperature at this pressure equals drip molding heat treatment heating-up temperature required under Fast Heating pattern;
I, to open under the effect of liquid medium vapor pressure when relief valve, and outwardly exhaust steam, continue energising 0 ~ 60 second, its main points are the heat treatment requirements that initial pipe tissue reaches Fast Heating, and then disconnecting power switch, opens overflow valve;
J, closedown medium channel switch, open mould, take out drip molding; Shaping and heat treatment terminate.
Forming temperature in step c is thermoforming temperatures or the heat treatment heating-up temperature of drip molding needed under Fast Heating pattern of drip molding.
Initial pipe is uiform section pipe or variable cross-section pipe.
Initial pipe is aluminium-alloy pipe or magnesium-alloy tube or high strength steel pipe or titanium alloy tube; To be 2000 be aluminium-alloy pipe, 5000 to be 6000 be or 7000 line aluminium alloys.
Design science of the present invention rationally, stable performance, technique is simple, do the high and finished product accuracy of industry efficiency and qualification rate high, there is stronger promotional value.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention adopts induction coil to heat.
Fig. 2 is the structural representation that the present invention adopts electrifying electrodes to heat.
Fig. 3 is the profile in A-A face in Fig. 1.
Fig. 4 be Fig. 1 suppress initial pipe complete after structural representation.
Fig. 5 is the profile in B-B face in Fig. 4.
In figure: 1, right push pedal; 2, heater element; 3, lower seal drift; 4, check valve; 5, liquid medium source; 6, medium channel switch; 7, medium channel; 8, left push pedal; 9, wire; 10, power switch; 11, Zuo Mo; 12, power supply; 13, elastic element; 14, upper sealing punch; 15, overflow valve; 16, relief valve; 17, initial pipe; 18, right mould; 19, initial pipe drip molding.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
As Figure 1-Figure 5, the present invention includes heater element 2, check valve 4, liquid medium source 5, medium channel switch 6, medium channel 7, wire 9, power switch 10, power supply 12, elastic element 13, overflow valve 15, relief valve 16, initial pipe 17, matched moulds push pedal and mould.
Sealing punch is divided into lower seal drift 3 and upper sealing punch 14.Matched moulds push pedal is divided into right push pedal 1 and left push pedal 8 two parts.Mould is divided into left mould 11 and right mould 18 two parts.Mould is between the right push pedal 1 and left push pedal 8 of matched moulds push pedal.
The right mould 18 of mould is connected with right push pedal 1, and the left mould 11 of mould is connected with left push pedal 8.The left mould 11 of mould and right mould 18 are provided with elastic element 13; Heater element 2 is embedded in left mould 11 and right mould 18.Lower seal drift 3 and upper sealing punch 14 all have medium channel 7.Lower seal drift 3 is connected with liquid medium source 5 with medium channel switch 6 by check valve 4.Upper sealing punch 14 is communicated with the external world by medium channel 7, overflow valve 15 and relief valve 16.Heater element 2 is connected with power supply 12 by wire 9.Wire 9 is provided with power switch 10.
Interior pressing formation and heat treatment integral method, its concrete steps are as follows:
1, corresponding heater element 2, lower seal drift 3, upper sealing punch 14 and mould is adopted according to the shape of the hollow member for processing.
2, select suitable liquid medium, liquid medium is gasifiable medium, and gasification temperature raises with the rising of pressure.
3, according to the forming temperature of hollow member, the cracking pressure of adjustment relief valve 16.
4, liquid medium source internal pressure is adjusted to process requirements value, its main points are the cracking pressure that medium source internal pressure is less than relief valve 16, generally should be 0 ~ 20MPa.
5, the initial pipe 17 that selected shape is suitable, is placed on lower seal drift 3 by initial pipe 17, then lower seal drift 3 and the 14 pairs of pipe sealings of upper sealing punch; Open medium channel switch 6, liquid medium by check valve 4 and medium channel 7 filling pipe inner chamber, has liquid medium to overflow to overflow valve 15, then closing outflow valve 15 under the effect of therein pressure.
6, power switch 10 closes, and heater element 2 is energized, and initial pipe 17 temperature progressively raises.Meanwhile, right push pedal 1 and the left push pedal 8 of matched moulds push pedal start out movement, promote left mould 11 and right mould 18 matched moulds gradually of mould, left mould 11 contacts with initial pipe with the interior profile of right mould 18, initial pipe starts distortion under the thrust of matched moulds push pedal and the acting in conjunction of internal pressure, matched moulds push pedal persistent movement, completely closed to mould, and apply mold clamping force.
7, along with energising continues, blank temperature rises to liquid medium gasification temperature, and liquid medium gasifies, and causes internal pressure to raise, after internal pressure rises to relief valve 16 unlatching, and internal pressure and initial pipe temperature constant; Initial pipe 17 pastes contour forming under internal pressure effect in this process.Its main points are that power should ensure that being closed to pipe subsides contour forming from power switch 10 should complete in 0 ~ 60 second.
8, according to the heat treatment temperature of hollow member, the cracking pressure of adjustment relief valve 16, its main points are, liquid medium gasification temperature at this pressure equals drip molding 19 heat treatment heating-up temperature required under Fast Heating pattern.
9, when relief valve 16 is opened under the effect of liquid medium vapor pressure, and outwardly exhaust steam, continue energising 0 ~ 60 second, its main points are the heat treatment requirements that initial pipe tissue reaches Fast Heating, then disconnecting power switch 10, open overflow valve 15.
10, close medium channel switch 6, open mould, take out drip molding 19; Shaping and heat treatment terminate.
Forming temperature in step 3 is the optimal heat forming temperature of drip molding 19.
The forming temperature of the hollow member in step 3 is the heat treatment heating-up temperature of drip molding 19 needed under Fast Heating pattern.
Heater element 2 is induction coil, and mould is ceramic die, and heater element 2 is low-resistivity copper alloy electrode, insulate between electrode and mould, and in matched moulds process, electrode can contact with blank end and hold tightly.。
The profile that mould contacts with pipe is insulating materials.Initial pipe is uiform section pipe or variable cross-section pipe.
Initial pipe is aluminium-alloy pipe or magnesium-alloy tube.To be 2000 be aluminium-alloy pipe, 5000 to be 6000 be or 7000 line aluminium alloys.Initial pipe is high strength steel pipe or titanium alloy tube.High-strength steel is 22MnB5.Power supply is large power supply.
Large power supply is the power supply of current range 0 ~ 5000000A, voltage range 0 ~ 36V.
Power supply is pulse current power supply, pulse frequency 0 ~ 10000Hz, amplitude 0 ~ 100000A, the power supply of voltage range 0 ~ 100000V.
The high feature of the interior voltage rise that the present invention utilizes liquid medium to gasify to cause drives pipe to be shaped, simultaneously under certain internal pressure effect, utilize the liquid medium do not gasified to drip molding heat treatment, ensure that Components Shape precision also synchronously completes component heat treatment, achieve the shaping of hollow unit, become second nature integration.
The invention has the beneficial effects as follows:
One, the pressure-driven pipe utilizing liquid medium gasification to be formed is shaped, and without the need to optional equipment booster, cost is low;
Two, under specified pressure, the gasification temperature of liquid medium is constant, and the present invention only needs the cracking pressure by setting relief valve to get final product forming temperature and the heat treatment temperature of accurate and constant control workpiece, and without the need to any temperature measuring equipment and attemperating unit; Simple for process and good stability.
Three, after being shaped, directly utilize inner liquid medium to workpiece quenching, shaping and heat treatment complete at an in-process, and production efficiency is high.Particularly still have the support of interior pressure in quenching process, the distortion that heat treatment causes is controlled, and form accuracy and the yield rate of drip molding are higher.
Four, under hot forming, elastic deformation is low, and drip molding is almost without resilience, and drip molding form accuracy easily ensures.Above-mentioned embodiment is not limitation of the present invention; the present invention is also not limited in above-mentioned citing; the change that those skilled in the art make within the scope of technical scheme of the present invention, remodeling, interpolation or replacement, also all belong to protection scope of the present invention.
Claims (10)
1. pressing formation and a heat treatment integrated apparatus in, comprise sealing punch, matched moulds push pedal, mould, heater element, it is characterized in that: described sealing punch is divided into lower seal drift (3) and upper sealing punch (14); Matched moulds push pedal is divided into right push pedal (1) and left push pedal (8) two parts; Described mould is divided into left mould (11) and right mould (18) two parts, and mould is positioned between the right push pedal (1) of matched moulds push pedal and left push pedal (8);
The right mould (18) of described mould is connected with right push pedal (1), and the left mould (11) of mould is connected with left push pedal (8); The left mould (11) of mould and right mould (18) are provided with elastic element (13); Described heater element (2) is embedded in left mould (11) and right mould (18) respectively;
Described lower seal drift (3) and upper sealing punch (14) all have medium channel (7); Lower seal drift (3) is connected with liquid medium source (5) with medium channel switch (6) by check valve (4); Upper sealing punch (14) is communicated with the external world by medium channel (7), overflow valve (15) and relief valve (16); Heater element (2) is connected with power supply (12) by wire (9); Wire (9) is provided with power switch (10).
2. interior pressing formation according to claim 1 and heat treatment integrated apparatus, is characterized in that: described heater element (2) is induction coil; Described mould is ceramic die.
3. interior pressing formation according to claim 2 and heat treatment integrated apparatus, is characterized in that: described heater element (2) is low-resistivity copper alloy electrode, insulate between electrode and mould, and in matched moulds process, electrode contacts with blank end and holds tightly.
4. interior pressing formation according to claim 2 and heat treatment integrated apparatus, is characterized in that: the profile that described mould contacts with pipe is insulating materials.
5. interior pressing formation according to claim 1 and heat treatment integrated apparatus, is characterized in that: described power supply is large power supply, and large power supply is the power supply of current range 0 ~ 5000000A, voltage range 0 ~ 36V.
6. interior pressing formation according to claim 1 and heat treatment integrated apparatus, is characterized in that: described power supply is pulse current power supply, pulse frequency 0 ~ 10000Hz, amplitude 0 ~ 100000A, the power supply of voltage range 0 ~ 100000V.
7. pressing formation and a heat treatment integral method in, is characterized in that: its concrete steps are:
A, adopt corresponding heater element (2), lower seal drift (3), upper sealing punch (14) and mould according to the shape of hollow member for processing;
B, select suitable liquid medium, liquid medium is gasifiable medium, and gasification temperature raises with the rising of pressure;
C, forming temperature according to hollow member, the cracking pressure of adjustment relief valve (16);
D, liquid medium source internal pressure is adjusted to process requirements value, its main points are the cracking pressure that medium source internal pressure is less than relief valve (16), generally should be 0 ~ 20MPa;
The initial pipe (17) that e, selected shape are suitable, is placed on lower seal drift (3) by initial pipe (17), and then lower seal drift (3) and upper sealing punch (14) seal pipe; Open medium channel switch (6), liquid medium passes through check valve (4) and medium channel (7) filling pipe inner chamber under the effect of therein pressure, liquid medium is had to overflow to overflow valve (15), then closing outflow valve (15);
F, power switch (10) are closed, and heater element (2) is energized, and initial pipe (17) temperature progressively raises; Meanwhile, the right push pedal (1) of matched moulds push pedal and left push pedal (8) start out movement, promote left mould (11) and right mould (18) matched moulds gradually of mould, left mould (11) contacts with initial pipe with the interior profile of right mould (18), initial pipe starts distortion under the thrust of matched moulds push pedal and the acting in conjunction of internal pressure, matched moulds push pedal persistent movement, completely closed to mould, and apply mold clamping force;
G, along with energising continues, blank temperature rises to liquid medium gasification temperature, and liquid medium gasifies, and causes internal pressure to raise, after internal pressure rises to relief valve (16) unlatching, and internal pressure and initial pipe temperature constant; Initial pipe (17) pastes contour forming under internal pressure effect in this process.Its main points are that power should ensure that being closed to pipe subsides contour forming from power switch (10) should complete in 0 ~ 60 second;
H, heat treatment temperature according to hollow member, the cracking pressure of adjustment relief valve (16), its main points are, liquid medium gasification temperature at this pressure equals drip molding (19) heat treatment heating-up temperature required under Fast Heating pattern;
I, to open under the effect of liquid medium vapor pressure when relief valve (16), and outwardly exhaust steam, continue energising 0 ~ 60 second, its main points are the heat treatment requirements that initial pipe tissue reaches Fast Heating, then disconnecting power switch (10), opens overflow valve (15);
J, closedown medium channel switch (6), open mould, takes out drip molding (19); Shaping and heat treatment terminate.
8. interior pressing formation according to claim 6 and heat treatment integral method, is characterized in that: the forming temperature in described step c is thermoforming temperatures or the heat treatment heating-up temperature of drip molding (19) needed under Fast Heating pattern of drip molding (19).
9. interior pressing formation according to claim 6 and heat treatment integral method, is characterized in that: described initial pipe is uiform section pipe or variable cross-section pipe.
10. interior pressing formation according to claim 6 and heat treatment integral method, is characterized in that: described initial pipe is aluminium-alloy pipe or magnesium-alloy tube or high strength steel pipe or titanium alloy tube; To be 2000 be aluminium-alloy pipe, 5000 to be 6000 be or 7000 line aluminium alloys.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583593A (en) * | 2016-12-16 | 2017-04-26 | 中航动力股份有限公司 | Forming device and forming method for torsion flat tube with leaf-shaped section and thin wall |
| CN106881393A (en) * | 2017-03-17 | 2017-06-23 | 北京航星机器制造有限公司 | The special-shaped pneumatic members high temperature of one kind closing pushes away swollen combined shaping method |
| CN106955924A (en) * | 2017-05-05 | 2017-07-18 | 哈尔滨工业大学 | A kind of coaxial travelling electrode of electro-hydraulic forming wears a clamping apparatus |
| CN109047610A (en) * | 2018-07-24 | 2018-12-21 | 哈尔滨工业大学 | A kind of Ti alloy miniature gear pulse current auxiliary microsecond delay floating die assembly |
| CN111451351A (en) * | 2020-04-30 | 2020-07-28 | 初冠南 | Forming and integrating method for tubular part |
| CN115301835A (en) * | 2022-08-24 | 2022-11-08 | 凌云吉恩斯科技有限公司 | Hot stamping manufacturing method of tubular part |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06297049A (en) * | 1993-04-13 | 1994-10-25 | Toshiba Corp | Warm press forming device |
| US7266982B1 (en) * | 2005-06-10 | 2007-09-11 | Guza David E | Hydroforming device and method |
| US20100024502A1 (en) * | 2008-07-29 | 2010-02-04 | Gm Global Technology Operations, Inc. | Open press thermal gap for qpf forming tools |
| CN101961747A (en) * | 2009-07-21 | 2011-02-02 | 本田技研工业株式会社 | Hot bulge forming die apparatus |
| CN102274886A (en) * | 2011-05-05 | 2011-12-14 | 北京航空航天大学 | Bidirectional pressurized pipe hydraulic-forming experimental device and application thereof |
| CN102641936A (en) * | 2012-05-08 | 2012-08-22 | 哈尔滨工业大学 | Tubing bulging device and method using internal heating and pressing |
| CN103521588A (en) * | 2013-10-28 | 2014-01-22 | 哈尔滨工业大学 | Current-assisted titanium alloy bellows hot-forming tool and method |
| CN104001781A (en) * | 2014-04-22 | 2014-08-27 | 哈尔滨工业大学（威海） | Forming device and method for high-precision hollow component |
-
2015
- 2015-01-06 CN CN201510003467.6A patent/CN104624769B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06297049A (en) * | 1993-04-13 | 1994-10-25 | Toshiba Corp | Warm press forming device |
| US7266982B1 (en) * | 2005-06-10 | 2007-09-11 | Guza David E | Hydroforming device and method |
| US20100024502A1 (en) * | 2008-07-29 | 2010-02-04 | Gm Global Technology Operations, Inc. | Open press thermal gap for qpf forming tools |
| CN101961747A (en) * | 2009-07-21 | 2011-02-02 | 本田技研工业株式会社 | Hot bulge forming die apparatus |
| CN102274886A (en) * | 2011-05-05 | 2011-12-14 | 北京航空航天大学 | Bidirectional pressurized pipe hydraulic-forming experimental device and application thereof |
| CN102641936A (en) * | 2012-05-08 | 2012-08-22 | 哈尔滨工业大学 | Tubing bulging device and method using internal heating and pressing |
| CN103521588A (en) * | 2013-10-28 | 2014-01-22 | 哈尔滨工业大学 | Current-assisted titanium alloy bellows hot-forming tool and method |
| CN104001781A (en) * | 2014-04-22 | 2014-08-27 | 哈尔滨工业大学（威海） | Forming device and method for high-precision hollow component |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583593A (en) * | 2016-12-16 | 2017-04-26 | 中航动力股份有限公司 | Forming device and forming method for torsion flat tube with leaf-shaped section and thin wall |
| CN106583593B (en) * | 2016-12-16 | 2018-11-02 | 中航动力股份有限公司 | The building mortion and manufacturing process of a kind of blade profile section thin-walled torsion flat tube |
| CN106881393A (en) * | 2017-03-17 | 2017-06-23 | 北京航星机器制造有限公司 | The special-shaped pneumatic members high temperature of one kind closing pushes away swollen combined shaping method |
| CN106955924A (en) * | 2017-05-05 | 2017-07-18 | 哈尔滨工业大学 | A kind of coaxial travelling electrode of electro-hydraulic forming wears a clamping apparatus |
| CN109047610A (en) * | 2018-07-24 | 2018-12-21 | 哈尔滨工业大学 | A kind of Ti alloy miniature gear pulse current auxiliary microsecond delay floating die assembly |
| CN111451351A (en) * | 2020-04-30 | 2020-07-28 | 初冠南 | Forming and integrating method for tubular part |
| CN111451351B (en) * | 2020-04-30 | 2022-08-09 | 初冠南 | Forming and integrating method for tubular part |
| CN115301835A (en) * | 2022-08-24 | 2022-11-08 | 凌云吉恩斯科技有限公司 | Hot stamping manufacturing method of tubular part |
| CN115301835B (en) * | 2022-08-24 | 2023-08-29 | 凌云吉恩斯科技有限公司 | Hot stamping manufacturing method of tubular part |
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