EP1406749B1 - Verfahren und vorrichtung zum abtragen von einem im innern eines werkstücks angeordneten material - Google Patents
Verfahren und vorrichtung zum abtragen von einem im innern eines werkstücks angeordneten material Download PDFInfo
- Publication number
- EP1406749B1 EP1406749B1 EP02742799A EP02742799A EP1406749B1 EP 1406749 B1 EP1406749 B1 EP 1406749B1 EP 02742799 A EP02742799 A EP 02742799A EP 02742799 A EP02742799 A EP 02742799A EP 1406749 B1 EP1406749 B1 EP 1406749B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- jet
- workpiece
- bore
- generation unit
- unit
- 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 - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/083—Deburring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/10—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for compacting surfaces, e.g. shot-peening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/32—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
- B24C3/325—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks for internal surfaces, e.g. of tubes
Definitions
- the invention relates to a method for removing one inside a Workpiece arranged material.
- a directional unit or reflection unit is arranged to generate a substance jet, which is firmly connected to the device for generating the jet of material.
- the original material jet from its direction against the wall of a bore deflects can be a material removal in the field of Drill hole wall.
- Similar devices of this type, in which the straightening units are always firmly connected to the device for generating the material jet are also known from US 5,664,992, DD 294 891 A5 and US 2,439,032.
- the problem is often the use of such devices in the range of Bore intersections, where due to the rigid at the top of the devices for Generation of the material beam arranged straightening units, for example, to spatial Problems may arise in the area of bore intersections, which may be the use of the restrict known devices.
- the object of the invention is a method to provide a problem-free removal of material inside a Workpiece in the area of Bohrverschneidungen allows. This task will solved in the method according to claim 1.
- the spatial Separation between the beam generating unit and the straightening unit becomes essential better accessibility or flexibility of the device used in the range of Botuungsverschneidonne achieved by the fact that the two units in different Holes are introduced and so on different areas of Bohrungsverschneidung can be arranged.
- suitable device and advantageous developments of this Device are listed in claims 3 to 8.
- Figure 1 is schematically a not affected by the scope Injector jet device shown, wherein a Water jet 1 an abrasive 2 in a mixing chamber. 5 sucks, so that a mixed jet 3 generated in a probe 6 becomes. From the probe 6 exits a stream of material 4, the by means of a reflection element 7 to a predetermined Area is directed inside a workpiece 8.
- a relatively hard to reach area e.g. as a hole 9
- a relatively small Diameter example has a few millimeters.
- the device is movable according to an arrow P 1 in the axial direction of the probe 6.
- the device according to an arrow P 2 is rotatable about the axis of the probe 6. This makes it possible that almost arbitrarily formed areas in the interior of the workpiece 8 can be removed.
- a control unit not shown, controls the movement of the device for this purpose.
- annular cavity of the bore 9 can be generated by rotation in accordance with arrow P 2 .
- the bore 9 may be in contrast to the illustrated variant, a blind hole.
- FIG. 2 shows a device according to the invention shown, in contrast to the device according to FIG. 1 no holding element 11 fixed to the probe 6 is provided, but a separate baffle plate 12, the introduced through a second bore 13 in the workpiece 8 is.
- the workpiece 8 according to FIG. 2 is for example, a so-called rail (pressure accumulator) the system common rail.
- the rail 8 includes in particular Branches 14, each having a bore 15. in the Generally, both the bore 13 and the Bores 15 produced by machining, so that in the transition area between the holes 13, 15 burrs or sharp edges arise.
- the probe 6 in the bore 15th introduced and the baffle plate 12 in the bore 13, so that the substance jet 4 is reflected on the baffle plate 12 in such a way is that this the transition area in exactly predetermined Deburred or rounded off.
- This is especially positive, that by the impulse effect of the material jet 4 on impact on the workpiece 8 a compaction of the structure and thus Compressive stresses of the workpiece 8 are generated.
- Compressive stresses have an advantageous effect on the later Application of the rail 8, this particular one pulsating load at comparatively high pressures is exposed.
- Figure 3 are differently shaped baffles 12th shown schematically.
- Figure 3a has both a 39als also a front view of a baffle plate 12 with planar, perpendicular to the material beam 4 aligned reflection surface 16 on.
- the baffle plate 12 according to Figure 3a corresponds largely the baffle plate 12 according to FIG. 2
- the baffle plate 12 according to Figure 3b is again in side than Also shown front view and has a planar Reflection surface 16, but this angle to the Beam direction of the fabric jet 4 is arranged.
- FIG. 3c shows a side and front view of a baffle plate 12 with a plurality of planar reflection surfaces 16 oriented perpendicular to the material jet 4.
- the baffle plate 12 according to FIG. 3 c can optionally be rotated about the longitudinal axis according to arrow P 4 so that the baffle plate 12 can be rotated and / or displaced along the arrow P 3 in the region of the impinging substance jet 4, for example ,
- FIG 3d is a section of a baffle plate 12 with a parabolic reflective surfaces 16 shown.
- the Reflection surface 16 extends in the axial direction of Baffle plate 12.
- FIG. 3e shows a baffle plate 12 with a parabolic shape longitudinal groove 17, wherein the groove 17 in the region of Impact of the material jet 4, a U-shaped recess 18th having.
- the grooves 17 of Figures 3d and 3e can both U-shaped as well as V-shaped.
- the baffle plate 12 more longitudinal grooves 17 and a plurality of recesses 18th so that numerous impact areas on the Impact plate 12 can be realized.
- FIG 4 is a baffle plate 12 with a blind hole-like Well represented.
- the blind hole-like depression, the optionally also formed as a longitudinal groove 17 can, has the reflection surface 16.
- the fabric jet 4 is such reflects that of the transition region of the bore 13 and the bore 15 ablates in a predetermined manner.
- FIG. 5 shows a baffle plate 12 having a plurality of, in particular longitudinal grooves 17, wherein due to the rotationally symmetrical design, the baffle plate 12 can be rotated as needed according to arrow P 4 , so that another groove 17, the transition region of the bore 13 and the bore 15 removes.
- the baffle plate 12 can be designed such that a machining sequence can be provided by turning the baffle plate 12 according to the arrow P 4 .
- the reflection of the material jet 4 is influenced such that the transition region of the bore 15 can be advantageously removed with the bore 13.
- the rotation according to arrow P 4 and control of the rotational speed and an asymmetrical machining is possible.
- a plurality of corresponding and / or different contours can be mounted in succession on the baffle plate 12 in the axial direction.
- FIG. 7 shows a device which is not affected by the scope of protection, wherein the baffle plate 12 is designed to be comparable with the baffle plate 12 according to FIG. 3b.
- the material jet 4 impinges on the reflection surface 16 in such a way that a one-sided hollowing of the workpiece 8 takes place.
- the baffle plate 12 can be moved or rotated according to the arrows P 1 and P 2 , so that even more complex, in particular rotationally symmetrical hollow shapes in the workpiece 8 can be generated.
- an opening or connection of the bore 9 to a blind hole not shown in detail can be made.
- FIG. 8 shows a suspension jet device which is not affected by the scope of protection, wherein the suspension mixture is transported by means of a probe 19 into the interior of the workpiece.
- a connection is made between the bore 9 and the blind bore 10, wherein a cavity 20 is generated in the interior of the workpiece 8 at the same time or with a time offset.
- the probe 19 is moved or rotated according to the arrows P 2 and / or P 1 .
- the workpiece 8 may be a diesel nozzle or the like.
- baffles 7, 12 arbitrary, more complex areas inside, in particular removed in hard to reach areas of the workpiece 8 or rounded. This can be done by moving the Baffle elements 7, 12, of the workpiece 8 and / or the Beam generating unit produces the most complex molds be, in particular by rotating, panning and / or Scan subsequent elements.
- the baffle element 7, 12 is preferably made of a very wear-resistant material manufactured or has appropriate inserts or like that.
- the diameter and the Geometry to be produced in a predetermined manner in particular the diameter and the Geometry to be produced in a predetermined manner.
- the Hole transition can advantageously almost arbitrary be formed, in particular round, elliptical or polygonal.
- One possibility is for example the Change in the nozzle geometry and the generated thereby larger beam diameter, with a correspondingly larger Hole can be produced.
- a conical, defocused Stoffstrahl 4 the bore transition in addition to a advantageous slope or rounding or the like Mistake.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
Description
- Figur 1
- eine schematische Schnittdarstellung einer nicht erfindungsgemäßen Vorrichtung mit einem fixierten Reflexionselement,
- Figur 2
- eine schematische Darstellung einer, erfindungsgemäßen Vorrichtung mit einem separaten Reflexionselement,
- Figur 3
- verschiedenste Ausführungsformen mehrerer Reflexionselemente in schematischer Darstellung,
- Figur 4
- eine schematische Querschnittdarstellung eines Ausschnitts einer weiteren, erfindungsgemäßen Vorrichtung,
- Figur 5
- eine schematische Querschnittdarstellung eines Ausschnitts einer weiteren, erfindungsgemäßen Vorrichtung,
- Figur 6
- eine schematische Querschnittdarstellung eines Ausschnitts einer weiteren, erfindungsgemäßen Vorrichtung,
- Figur 7
- eine schematische Darstellung einer nicht erfindungsgemäßen Vorrichtung und
- Figur 8
- einen schematischen Querschnitt einer nicht erfindungsgemäßen Suspensionsstrahlvorrichtung.
Claims (8)
- Verfahren zum Abtragen von einem im Inneren eines Werkstücks (8) angeordneten Material im Bereich einer Bohrungsverschneidung, bei dem wenigstens eine Strahlerzeugungseinheit (5, 6) zum Erzeugen eines Stoffstrahls (4) mit einer im Inneren des Werkstücks (8) angeordneten, ein Reflexionselement umfassenden Richteinheit (12) zum Richten des Stoffstrahls (4) auf den Bereich der Bohrungsverschneidung zusammenwirkt, wobei die Strahlerzeugungseinheit (5, 6) und die Richteinheit (12) als separate Bauteile ausgebildet sind, und wobei die Strahlerzeugungseinheit (5, 6) in eine erste Bohrung des Werkstücks (8) und die Richteinheit (12) in eine zweite Bohrung des Werkstücks (8) eingebracht wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass als Stoffstrahl (4) wenigstens einen Fluidstrahl (1) und/oder ein Feststoffstrahl (2) mit zahlreichen Strahlkörpern verwendet wird.
- Vorrichtung zum Durchführen des Verfahrens nach Anspruch 1 oder 2, mit wenigstens einer Strahleizeugungseinheit (5, 6) zum Erzeugen eines Stoffstrahls (4) und einer ein Reflexionselement umfassenden Richteinheit (12) zum Richten des Stoffstrahls (4) auf den Bereich einer Bohrungsverschneidung, wobei die Richteinheit (12) und die Strahlerzeugungseinheit (5, 6) als separate, miteinander nicht verbundene Bauteile ausgebildet sind, die Strahlerzeugungseinheit (5,6) zum Einbringen in eine erste Bohrung des Werkstücks (8) und die Richteinheit (12) zum Einbringen in eine zweite Bohrung des Werkstücks (8) ausgebildet sind, und eine Strahlrichtung des Stoffstrahls (4) im Wesentlichen zwischen 45° und 180° in Bezug auf eine Transportrichtung des Stoffs der Strahlerzeugungseinheit (5, 6) vorgesehen ist.
- Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass das Werkstück (8), die Richteinheit (12) und/oder die Strahlerzeugungseinheit (5, 6) wenigstens teilweise bewegbar ausgebildet sind.
- Vorrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass die Form der Richteinheit (12) wenigstens an den vorgegebenen Bereich des Werkstücks (8) angepasst ist.
- Vorrichtung nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, dass wenigstens eine Reflexionsfläche (16) in einer Ausnehmung (17, 18) des Reflexionselements angeordnet ist.
- Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die Ausnehmung (17, 18) als in axialer Richtung des Reflexionselementes längsgerichtete Ausnehmung (17) ausgebildet ist.
- Vorrichtung nach einem der Ansprüche 3 bis 7, dadurch gekennzeichnet, dass wenigstens ein Schutzelement (12) zum Schützen von nicht-abzustrahlender Abschnitte des Werkstücks (8) vorgesehen ist und dass das Reflexionselement das Schutzelement (12) umfasst.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10132451 | 2001-07-04 | ||
DE10132451A DE10132451A1 (de) | 2001-07-04 | 2001-07-04 | Vorrichtung zum Abtragen von einem im Inneren eines Werkstücks angeordneten Material |
PCT/DE2002/002054 WO2003004219A1 (de) | 2001-07-04 | 2002-06-06 | Vorrichtung zum abtragen von einem im innern eines werkstücks angeordneten material |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1406749A1 EP1406749A1 (de) | 2004-04-14 |
EP1406749B1 true EP1406749B1 (de) | 2005-08-10 |
Family
ID=7690606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02742799A Expired - Lifetime EP1406749B1 (de) | 2001-07-04 | 2002-06-06 | Verfahren und vorrichtung zum abtragen von einem im innern eines werkstücks angeordneten material |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1406749B1 (de) |
CN (1) | CN100366387C (de) |
DE (2) | DE10132451A1 (de) |
HU (1) | HUP0400383A2 (de) |
WO (1) | WO2003004219A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5066430B2 (ja) * | 2007-11-20 | 2012-11-07 | 日本発條株式会社 | ショットピーニング用反射部材およびそれを用いたショットピーニング方法 |
DE102009001651A1 (de) | 2009-03-19 | 2010-09-23 | Robert Bosch Gmbh | Hochdruckführendes Bauteil und Verfahren zur Herstellung eines hochdruckführenden Bauteils |
DE102010043285A1 (de) | 2010-11-03 | 2012-05-03 | Aktiebolaget Skf | Verfahren, Strahlmittel und Vorrichtung zum Behandeln eines Bauelements |
CN102825551B (zh) * | 2012-08-15 | 2015-03-25 | 上海中国弹簧制造有限公司 | 稳定杆内壁喷丸强化工艺及其喷丸设备 |
DE102014102147B4 (de) * | 2014-02-19 | 2017-03-09 | Wheelabrator Group Gmbh | Verfahren zum Verfestigungsstrahlen einer Rohrinnenwandung eines gekrümmtenWerkstücks mit einer Werkstückbohrung sowie Strahldüseneinheitund Arbeitskammersystem dafür |
CN108296990A (zh) * | 2018-04-11 | 2018-07-20 | 佛山市穗远恒科建材有限公司 | 一种金属管材内壁除锈装置 |
CN109551378A (zh) * | 2018-11-30 | 2019-04-02 | 中国航空工业集团公司金城南京机电液压工程研究中心 | 一种多工位射流去毛刺工装 |
CN110076698B (zh) * | 2019-05-16 | 2021-02-02 | 苏州同谊联擎动力科技有限公司 | 具备油路铝合金铸件的管路内壁修磨工艺 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2439032A (en) * | 1945-11-01 | 1948-04-06 | Gen Motors Corp | Shot blasting nozzle |
DD282414A5 (de) * | 1989-04-14 | 1990-09-12 | Ingenieurschule Fuer Kraft Und | Strahlduese zur oberflaechenbehandlung schwer zugaengiger bauteile |
DE4015412C1 (en) * | 1990-05-14 | 1991-06-20 | Lothar 3300 Braunschweig De Clavey | Metal work deburring tool - has sonde inserted into bore to discharge high pressure water |
DD294891A5 (de) * | 1990-06-05 | 1991-10-17 | Maschinenfabrik Sangershausen Gmbh,De | Vorrichtung zum entgraten von kleinen bohrungen |
US5664992A (en) * | 1994-06-20 | 1997-09-09 | Abclean America, Inc. | Apparatus and method for cleaning tubular members |
DE19809367B4 (de) * | 1998-03-05 | 2007-04-05 | Nagel Maschinen- Und Werkzeugfabrik Gmbh | Verfahren und Vorrichtung zur Feinbearbeitung von Kolbenlaufbahnen |
-
2001
- 2001-07-04 DE DE10132451A patent/DE10132451A1/de not_active Ceased
-
2002
- 2002-06-06 DE DE50203902T patent/DE50203902D1/de not_active Expired - Lifetime
- 2002-06-06 HU HU0400383A patent/HUP0400383A2/hu unknown
- 2002-06-06 CN CNB02813530XA patent/CN100366387C/zh not_active Expired - Fee Related
- 2002-06-06 EP EP02742799A patent/EP1406749B1/de not_active Expired - Lifetime
- 2002-06-06 WO PCT/DE2002/002054 patent/WO2003004219A1/de not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CN100366387C (zh) | 2008-02-06 |
CN1524028A (zh) | 2004-08-25 |
HUP0400383A2 (hu) | 2005-06-28 |
DE10132451A1 (de) | 2003-01-30 |
DE50203902D1 (de) | 2005-09-15 |
EP1406749A1 (de) | 2004-04-14 |
WO2003004219A1 (de) | 2003-01-16 |
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