EP1563954A1 - Procédé d'usinage des ouvertures de passage dans des objets et dispositif correspondant - Google Patents

Procédé d'usinage des ouvertures de passage dans des objets et dispositif correspondant Download PDF

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Publication number
EP1563954A1
EP1563954A1 EP04003064A EP04003064A EP1563954A1 EP 1563954 A1 EP1563954 A1 EP 1563954A1 EP 04003064 A EP04003064 A EP 04003064A EP 04003064 A EP04003064 A EP 04003064A EP 1563954 A1 EP1563954 A1 EP 1563954A1
Authority
EP
European Patent Office
Prior art keywords
opening
insert
passage
section
liquid
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
Application number
EP04003064A
Other languages
German (de)
English (en)
Other versions
EP1563954B1 (fr
Inventor
Carl E. Diver
Franz X. Wagner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Delphi Technologies Inc filed Critical Delphi Technologies Inc
Priority to AT04003064T priority Critical patent/ATE401167T1/de
Priority to EP04003064A priority patent/EP1563954B1/fr
Priority to DE502004007604T priority patent/DE502004007604D1/de
Publication of EP1563954A1 publication Critical patent/EP1563954A1/fr
Application granted granted Critical
Publication of EP1563954B1 publication Critical patent/EP1563954B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
    • B24B31/10—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
    • B24B31/116—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work using plastically deformable grinding compound, moved relatively to the workpiece under the influence of pressure

Definitions

  • the present invention relates to a method for processing, in particular Deburring, calibrating including expanding and edge rounding, of passage openings (13) as drilled holes in one Wall of a channel-like portion (11) of an article, in which a liquid, in particular with abrasive particles contained therein, under pressure through the channel-like section and then the Opening is passed.
  • the invention relates to a device for processing, especially deburring, calibrating including widening and edge rounding, of openings like drilled holes in a wall a channel-like portion of an article with a holder for holding the object to be processed, a liquid reservoir and means for passing the liquid through the one to be processed Passage opening under pressure.
  • Processing of passage openings, in particular drilled holes, is generally required to remove burrs and the edges round.
  • through openings can be reworked be calibrated to a desired flow rate.
  • a possibility Such post-processing consists in the so-called liquid honing. This is a liquid with abrasive particles suspended therein passed under pressure through the opening.
  • the flow rate can be calibrated depending on the degree of rounding.
  • the invention is based on the object, a method and an apparatus specify the type mentioned, which does not have these disadvantages exhibit. In particular, a symmetrical processing of passage openings be guaranteed.
  • this object is achieved in a device of the aforementioned Art solved by a flowing through of the liquid Insert is provided, which in the channel-like portion of the machined Object is usable and an outlet for the Has liquid, the front of the inlet opening to be machined Opening is placeable and has a cross-section that is greater than the cross section of the inlet opening of the passage opening to be processed, wherein the plane of the outlet opening to the plane of the inlet opening the passage opening to be processed when placed runs parallel.
  • the flow direction of the liquid can in particular by a Be deployed in the channel-like section of the object is used. At the object itself must thereby advantageously no changes are made.
  • the insert preferably has an outlet opening for the liquid, whose diameter is larger than the diameter of the machined Opening, with the insert with its opening immediately in front of the machining opening is positioned.
  • the direction change of the liquid flow takes place in the region of the outlet opening of the Insert.
  • the outlet opening of the insert is applied unevenly. That is, the asymmetry is of the passage opening to be processed shifted to the outlet of the insert, and the Processing of the passage opening is symmetrical.
  • an insert may have two or more of the openings mentioned each positioned in front of an opening to be machined. To this Way several passages can be processed simultaneously and thus saving processing time.
  • an insert made of abrasion-resistant material for example with diamond reinforcement. This can advantageously the life of the insert increase.
  • the insert for aligning the flow direction can be needle-like be formed and a longitudinally extending central bore as well as in the front end of the bore with this in connection have standing passage opening, the exit surface parallel to Entry surface of the machined opening is aligned.
  • Such a Insert can be advantageously in the object with the processed Introduced opening and with its outlet opening in front of the be machined passage opening.
  • the insert 1 shown in Fig. 1 comprises a substantially disc-shaped rear end 2 and a subsequent forward Extension in the form of a needle 3.
  • a longitudinal bore of the needle 3 extending central bore 4 introduced.
  • This hole 4 is made through a connection piece 5 on the side of the rear end 2 of the insert. 1 is arranged, which is remote from the needle 3.
  • a pressure pump not shown here connectable to a likewise not shown liquid reservoir.
  • the front end 6 of the needle 3 of the insert 1 has a frustoconical Tip 7 up.
  • the central channel. 4 formed with a tapered portion 4 '.
  • Cross holes 8 on the other hand, in the lateral surface 9 of the frustoconical Tip 7 with outlet openings 10 open.
  • the diameter the outlet openings 10 is larger than the diameter the passages to be processed.
  • the direction of the channels 8 is also chosen so that the flow direction through these channels 8 flowing machining fluid when inserted into the object Insert perpendicular to the plane of the openings to be processed runs.
  • the flow orientation is the shape of the passage opening maintain, that is, the post-processing is true to form. Without a targeted Flow orientation, the passage opening would be their original Lose shape, which is disadvantageous in certain applications.
  • FIG. 3 Shown is the top 7 the needle 3 of an insert 1 according to the invention, wherein the needle 3 in a channel-like portion 11 of an object 12 to be processed is introduced.
  • the article 12 has a passage opening to be processed 13 on.
  • the flow direction I of the machining fluid changes through the insert 3 such that they are perpendicular to Level of the inlet opening 14 of the passage opening to be processed 13th runs. This happens because the channel 8 with the outlet opening 10 of the insert 1 in the manner described before the passage opening 13 is arranged.
  • edges 16 of the channels 8 When processing objects 12 by means of an insert 1 become the edges 16 of the channels 8 through the abrasive particles of the machining fluid applied. If these edges 16 are not special hard material formed, for example, diamond coated, must therefore, the insert 1 will be replaced from time to time.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Threshing Machine Elements (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
EP04003064A 2004-02-11 2004-02-11 Procédé d'usinage des ouvertures de passage dans des objets et utilisation d'un dispositif correspondante Expired - Lifetime EP1563954B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT04003064T ATE401167T1 (de) 2004-02-11 2004-02-11 Verfahren zum bearbeiten von durchtrittsöffnungen in gegenständen und verwendung einer vorrichtung hierfür
EP04003064A EP1563954B1 (fr) 2004-02-11 2004-02-11 Procédé d'usinage des ouvertures de passage dans des objets et utilisation d'un dispositif correspondante
DE502004007604T DE502004007604D1 (de) 2004-02-11 2004-02-11 Verfahren zum Bearbeiten von Durchtrittsöffnungen in Gegenständen und Verwendung einer Vorrichtung hierfür

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04003064A EP1563954B1 (fr) 2004-02-11 2004-02-11 Procédé d'usinage des ouvertures de passage dans des objets et utilisation d'un dispositif correspondante

Publications (2)

Publication Number Publication Date
EP1563954A1 true EP1563954A1 (fr) 2005-08-17
EP1563954B1 EP1563954B1 (fr) 2008-07-16

Family

ID=34684669

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04003064A Expired - Lifetime EP1563954B1 (fr) 2004-02-11 2004-02-11 Procédé d'usinage des ouvertures de passage dans des objets et utilisation d'un dispositif correspondante

Country Status (3)

Country Link
EP (1) EP1563954B1 (fr)
AT (1) ATE401167T1 (fr)
DE (1) DE502004007604D1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014000954A1 (fr) * 2012-06-27 2014-01-03 Robert Bosch Gmbh Procédé permettant d'arrondir des alésages par hydro-érosion
CN104588962A (zh) * 2014-12-03 2015-05-06 中国第一汽车股份有限公司无锡油泵油嘴研究所 一种发动机孔式喷油嘴单孔挤压研磨装置及使用方法
CN108527141A (zh) * 2018-03-26 2018-09-14 南京航空航天大学 一种变截面异形通道磨料流加工组合夹具

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4578164A (en) * 1983-08-24 1986-03-25 Nissan Motor Co., Ltd. Method of electrolytically finishing spray-hole of fuel injection nozzle
JPH0752022A (ja) * 1993-08-19 1995-02-28 Toyota Motor Corp 砥粒流動体を用いた加工方法及びその加工装置
WO1997005989A1 (fr) * 1995-08-04 1997-02-20 Dynetics Corporation Procede et appareil de façonnage d'un orifice au moyen d'une boue abrasive
DE19914719A1 (de) * 1999-03-31 2000-10-05 Siemens Ag Verfahren und Vorrichtung zum hydroerosiven Runden von Bohrungskanten in einem Düsenkörper und Düsenkörper

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4578164A (en) * 1983-08-24 1986-03-25 Nissan Motor Co., Ltd. Method of electrolytically finishing spray-hole of fuel injection nozzle
JPH0752022A (ja) * 1993-08-19 1995-02-28 Toyota Motor Corp 砥粒流動体を用いた加工方法及びその加工装置
WO1997005989A1 (fr) * 1995-08-04 1997-02-20 Dynetics Corporation Procede et appareil de façonnage d'un orifice au moyen d'une boue abrasive
DE19914719A1 (de) * 1999-03-31 2000-10-05 Siemens Ag Verfahren und Vorrichtung zum hydroerosiven Runden von Bohrungskanten in einem Düsenkörper und Düsenkörper

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 05 30 June 1995 (1995-06-30) *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014000954A1 (fr) * 2012-06-27 2014-01-03 Robert Bosch Gmbh Procédé permettant d'arrondir des alésages par hydro-érosion
CN104588962A (zh) * 2014-12-03 2015-05-06 中国第一汽车股份有限公司无锡油泵油嘴研究所 一种发动机孔式喷油嘴单孔挤压研磨装置及使用方法
CN108527141A (zh) * 2018-03-26 2018-09-14 南京航空航天大学 一种变截面异形通道磨料流加工组合夹具
CN108527141B (zh) * 2018-03-26 2019-11-12 南京航空航天大学 一种变截面异形通道磨料流加工组合夹具

Also Published As

Publication number Publication date
DE502004007604D1 (de) 2008-08-28
EP1563954B1 (fr) 2008-07-16
ATE401167T1 (de) 2008-08-15

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