WO2002070180A1 - Outil de coupe, electrobroche et machine-outil adoptant un tel outil outil de coupe - Google Patents
Outil de coupe, electrobroche et machine-outil adoptant un tel outil outil de coupe Download PDFInfo
- Publication number
- WO2002070180A1 WO2002070180A1 PCT/FR2002/000824 FR0200824W WO02070180A1 WO 2002070180 A1 WO2002070180 A1 WO 2002070180A1 FR 0200824 W FR0200824 W FR 0200824W WO 02070180 A1 WO02070180 A1 WO 02070180A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tool
- fact
- machining
- chips
- internal conduit
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/04—Drills for trepanning
- B23B51/0486—Drills for trepanning with lubricating or cooling equipment
- B23B51/0493—Drills for trepanning with lubricating or cooling equipment with exchangeable cutting inserts, e.g. able to be clamped
-
- 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
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/50—Cutting by use of rotating axially moving tool with product handling or receiving means
- Y10T408/51—Ejector
-
- 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
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/304088—Milling with means to remove chip
Definitions
- the present invention relates to tooling in the field of machine tools and in particular to adaptations of tools intended for machining at very high speed. DESCRIPTION OF THE PRIOR ART
- the drilling and tapping operations are conventionally carried out using tools comprising one or two cutting edges at their end and lateral flutes allowing the material to be evacuated in the form of chips (drills, taps).
- these tools are often fitted with internal conduits having the function of ensuring the projection of a cooling or evacuation fluid on the cutting area.
- This projection of cooling and / or evacuation fluid can be carried out by external means such as projection nozzles.
- the American document n ° 2,895,355 describes high speed machining tools of the type comprising that of a body of which a first end comprises a means for removing material and a second end of which comes in connection with a setting means movement.
- These tools are advantageously fitted with an internal channel opening at the level of the cutting element and ensuring, in cooperation with the cooling and / or evacuation liquid, the evacuation of the chips from the cutting end of the tool inward.
- the optimized chip evacuation allows faster setting of the machining tools.
- the American document describes a more complex tool than those described above in that it offers at its end projection channels of a liquid and evacuation channels of the mixture formed by the liquid and the chips created during machining.
- the evacuation of the chips by a conduit arranged in a tool during a dry machining constitutes a technical difficulty impossible to overcome by the usual techniques. Indeed, the tools or evacuation devices described above cannot meet this new criterion in that the evacuation and / or cooling fluid constituted by its kinetic energy once projected, the driving element of the evacuation chips in particular through the channels made for this purpose in the tools.
- the high-speed dry machining tool of the type comprising that of a body of which a first end comprises a material removal means and of which a second end comes in connection with a means of setting in motion, is remarkable in that the end comprising the material removal means is provided with an orifice opening on an internal duct which, placed in depression, evacuated by displacement of air by said means d 'removal during the machining operation.
- This dry machining is desirable because of the disappearance of adhesion phenomena, the production of very small fragmented chips easy to transport and the evacuation of heat in the chip.
- the tool of the invention is particularly advantageous because it no longer requires cooling or evacuation cutting fluid to set in motion the chips inside the tool fitted with an internal conduit. Also, although the construction of evacuation conduits is not new, they are now used in a different way in order to meet new design criteria in the context of a new application, namely machining at dry.
- This technological chip evacuation solution is particularly simple and therefore easy to implement.
- this tool also has the advantage of overcoming the constraints related to cooling because the depressurization of its internal duct ensures sufficient air circulation to fulfill this function.
- this chip evacuation solution is particularly suitable for very high speed machining which generates micro-chips which are difficult to reject to the outside by conventional means. A suction integrated in the tool which produces said micro-chips, ensures the best possible evacuation.
- the invention also relates to the electrospindle as well as the machine tool adopting the tool of the invention.
- FIG. 1a is a front view in section of an embodiment of a tool according to the invention
- FIG. 1b is a side view of said tool of FIG. 1a
- FIG. 2a is a front view in section of an embodiment of a second tool according to the invention.
- FIG. 2b is a side view of said tool of FIG. 2a
- FIG. 3a is a front view in section of an embodiment of a third tool according to the invention
- Figure 3b is a side view of said tool of Figure 3a. DESCRIPTION OF THE PREFERRED EMBODIMENTS
- the machining tool referenced 0 as a whole is of the type comprising that of a body 100, here elongated, of which a first end 110 comprises a removal means of material 200 and of which a second end 120 comes in connection with a means of setting in motion (not illustrated) which can be constituted for example, by an electrospindle.
- the end 110 comprising the material removal means 200 is provided with an orifice 111 opening onto an internal conduit 130 produced in the body of the tool 0 and by which the chips produced by said removal means 200 are discharged.
- said internal conduit 130 opens on the two ends 110 and 120 of the body 100 of the tool 0.
- said internal conduit 130 is constituted by a hollow cylindrical volume whose axis corresponds to the axis of rotation of the tool and opening at the two ends of the body of the tool 0.
- the internal conduit is formed by the free volume of a tube constituting the body 100 open at its two ends 110 and 120 and at one end 110 of which is the cutting part or parts of the means d 'removal of material 200.
- This embodiment is particularly advantageous because of the simplicity of its design.
- the use of a tube 100 greatly simplifies the arrangement of a chip evacuation conduit 130 on the axis of rotation of the tool without requiring removal of material.
- the use of a hollow cylindrical volume further defines a particularly regular internal conduit which will facilitate the evacuation of the chips.
- the internal conduit 130 of the tool 0 is placed under vacuum in order to evacuate the chips produced at its end 110 equipped with a material removal means 200. As illustrated, the chips once produced pass from a position at the front of the tool towards a rearward position along the arrow referenced F under the action of suction.
- the cutting part of the material removal means occupies a plane passing through the axis of the conduit 130 so as to leave a free space for the orifice 111 and therefore for the conduit 130 so that the shavings produced can be evacuated by said conduit 130.
- the cutting inserts forming the material removal means 200 have a thickness such that when they are placed at the end 110 of the tube 100, they do not obscure the whole of the orifice 111 of the internal conduit 130 and leave most of it free as illustrated.
- any chip produced by said cutting insert will inevitably be sucked through the orifice 111 through the internal conduit 130 of the tool 0 towards the rear of the tube 100 according to the arrow F.
- the means of removal of material 200 is linked to the end of the tube 100 so that the orifice the orifice 111 defined by the internal conduit 130 remains open so that the chips can pass through the internal conduit 130 arranged in the body 100 of tool 0.
- the tool 0 consists of a material of great stiffness for its body, that is to say the tube 100 and at least one brazed plate at the end 110 of the body 100 for the material removal means 200. Brazing is a mastered technique and does not present any particular difficulty.
- the Applicant has designed a tool 0 capable of obviating the drawbacks of the conventional tools hitherto used while reducing the difficulty and the manufacturing costs.
- the evacuation Chip guarantees also have the advantage of optimizing the quality of the machining carried out.
- Figures la and lb illustrate an embodiment of a tool 0 capable of piercing by lengthening along its axis of rotation.
- Figures 2a and 2b illustrate an embodiment of a tool 0 to be drilled by orbital movement along the axis of rotation.
- Figures 3a and 3b illustrate an embodiment of a tool 0 to be drilled and tapped by orbital movement along the axis of rotation.
- These tools are particularly suitable for machine tools capable of causing helical orbital movements of the tools installed at the ends of the spindle or electrospindle.
- the electrospindle (not illustrated) adapted to the setting in motion of the tool 0 is remarkable in that it is fitted with a conduit placed under vacuum for the purpose of evacuation of the chips passing through the internal conduit 120 of the tool 0.
- This electrospindle may itself comprise an axial internal conduit through which the chips will pass. It is the same for the machine tool (not illustrated) having to adapt to the setting in motion of the tool 0 of the invention and which is remarkable in that it includes a means of suction for purposes for depression of the internal conduit fitted in the tool.
- the machine tool ensuring its setting in motion will also ensure, by means of suction, the depressurization of the conduit arranged in said electrospindle. It is understood that the cutting tool, the electrospindle and the machine tool adopting such a tool, which have just been described and represented above, were for the purpose of disclosure rather than limitation. . Of course, various arrangements, modifications and improvements could be made to the above example, without however departing from the scope of the invention taken in its broadest aspects and spirit.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Drilling And Boring (AREA)
- Drilling Tools (AREA)
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002569335A JP2004529782A (ja) | 2001-03-07 | 2002-03-07 | 切削工具およびその切削工具を備えた電子ブローチと工作機械 |
| US10/471,218 US20040126194A1 (en) | 2001-03-07 | 2002-03-07 | Cutting tool, electric broaching tool equipped with same |
| EP02718248A EP1370384A1 (fr) | 2001-03-07 | 2002-03-07 | Outil de coupe, electrobroche et machine-outil adoptant un tel outil outil de coupe |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0103433A FR2822739B1 (fr) | 2001-03-07 | 2001-03-07 | Outil de coupe, electrobroche et machine-outil adoptant un tel outil de coupe |
| FR01/03433 | 2001-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2002070180A1 true WO2002070180A1 (fr) | 2002-09-12 |
Family
ID=8861090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2002/000824 Ceased WO2002070180A1 (fr) | 2001-03-07 | 2002-03-07 | Outil de coupe, electrobroche et machine-outil adoptant un tel outil outil de coupe |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20040126194A1 (fr) |
| EP (1) | EP1370384A1 (fr) |
| JP (1) | JP2004529782A (fr) |
| FR (1) | FR2822739B1 (fr) |
| WO (1) | WO2002070180A1 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10222040A1 (de) * | 2002-05-17 | 2003-12-04 | Kennametal Inc | Fräswerkzeug |
| JP4996739B2 (ja) * | 2008-02-29 | 2012-08-08 | オーエスジー株式会社 | 切りくず吸引ドリル |
| JP5802893B2 (ja) * | 2011-05-18 | 2015-11-04 | Uht株式会社 | ドリル及びそれを用いた穿孔装置 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2750817A (en) * | 1952-08-22 | 1956-06-19 | Gen Motors Corp | Drill |
| GB760353A (en) * | 1953-02-14 | 1956-10-31 | Asplund Arne J A | Improvements in or relating to drills |
| US2895355A (en) * | 1953-03-04 | 1959-07-21 | Maskin R L Carlstedt Fa | Drill shank for drills |
| US3511120A (en) * | 1965-12-29 | 1970-05-12 | Bbc Brown Boveri & Cie | Gun drill |
| US5971988A (en) * | 1995-04-07 | 1999-10-26 | Komet Praezisionswerkzeuge Robert Breuning Gmbh | Device for chip removing machining |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US754350A (en) * | 1903-07-22 | 1904-03-08 | Grove David Shaull | Tubular auger. |
| US3694099A (en) * | 1970-10-23 | 1972-09-26 | George C Nicholas | Boring tool |
| DE2417228A1 (de) * | 1974-04-09 | 1975-11-06 | Heller Geb | Verfahren zum absaugen des bohrkleins von der bohrstelle eines bohrers sowie bohrmaschine, bohrer und adapter zum durchfuehren des verfahrens |
| US4871286A (en) * | 1988-10-24 | 1989-10-03 | Gte Valenite Corporation | Grooving or threading tool |
| FR2746086B1 (fr) * | 1996-03-14 | 1998-05-22 | Dispositif de manutention d'une electro-broche de machine-outil d'usinage a grande vitesse | |
| US5842924A (en) * | 1997-02-25 | 1998-12-01 | Manos; Mark R. | Thread repairing tool |
| JP3924365B2 (ja) * | 1997-11-28 | 2007-06-06 | ユニカ株式会社 | 吸塵用アダプター |
| US6216800B1 (en) * | 1998-11-24 | 2001-04-17 | J. H. Fletcher & Co., Inc. | In-situ drilling system with dust collection and overload control |
| IT1309309B1 (it) * | 1999-06-30 | 2002-01-22 | Hsd Srl | Elettromandrino. |
| US6196286B1 (en) * | 1999-12-28 | 2001-03-06 | Thermwood Corporation | Method and tool for manufacturing a shaped edge, veneer surfaced, furniture top |
-
2001
- 2001-03-07 FR FR0103433A patent/FR2822739B1/fr not_active Expired - Fee Related
-
2002
- 2002-03-07 JP JP2002569335A patent/JP2004529782A/ja active Pending
- 2002-03-07 EP EP02718248A patent/EP1370384A1/fr not_active Withdrawn
- 2002-03-07 US US10/471,218 patent/US20040126194A1/en not_active Abandoned
- 2002-03-07 WO PCT/FR2002/000824 patent/WO2002070180A1/fr not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2750817A (en) * | 1952-08-22 | 1956-06-19 | Gen Motors Corp | Drill |
| GB760353A (en) * | 1953-02-14 | 1956-10-31 | Asplund Arne J A | Improvements in or relating to drills |
| US2895355A (en) * | 1953-03-04 | 1959-07-21 | Maskin R L Carlstedt Fa | Drill shank for drills |
| US3511120A (en) * | 1965-12-29 | 1970-05-12 | Bbc Brown Boveri & Cie | Gun drill |
| US5971988A (en) * | 1995-04-07 | 1999-10-26 | Komet Praezisionswerkzeuge Robert Breuning Gmbh | Device for chip removing machining |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1370384A1 (fr) | 2003-12-17 |
| JP2004529782A (ja) | 2004-09-30 |
| FR2822739A1 (fr) | 2002-10-04 |
| US20040126194A1 (en) | 2004-07-01 |
| FR2822739B1 (fr) | 2003-08-01 |
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