CN1843680A - Laser grinding tool for producing micro groove structure on friction surface of workpiece - Google Patents

Laser grinding tool for producing micro groove structure on friction surface of workpiece Download PDF

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Publication number
CN1843680A
CN1843680A CNA2005101162926A CN200510116292A CN1843680A CN 1843680 A CN1843680 A CN 1843680A CN A2005101162926 A CNA2005101162926 A CN A2005101162926A CN 200510116292 A CN200510116292 A CN 200510116292A CN 1843680 A CN1843680 A CN 1843680A
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CN
China
Prior art keywords
laser beam
laser
honing
tool
instrument
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Granted
Application number
CNA2005101162926A
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Chinese (zh)
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CN100534698C (en
Inventor
托比亚斯·阿贝恩
奥利弗·库尔
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GREEN CO KG
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GREEN CO KG
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Publication of CN1843680A publication Critical patent/CN1843680A/en
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Publication of CN100534698C publication Critical patent/CN100534698C/en
Expired - Fee Related legal-status Critical Current
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/10—Devices involving relative movement between laser beam and workpiece using a fixed support, i.e. involving moving the laser beam
    • B23K26/103—Devices involving relative movement between laser beam and workpiece using a fixed support, i.e. involving moving the laser beam the laser beam rotating around the fixed workpiece
    • B23K26/106—Devices involving relative movement between laser beam and workpiece using a fixed support, i.e. involving moving the laser beam the laser beam rotating around the fixed workpiece inside the workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/082—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/10—Devices involving relative movement between laser beam and workpiece using a fixed support, i.e. involving moving the laser beam

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)

Abstract

This invention relates to a laser honing tool by which a micropocket structure on friction stressed surface of workpiece is formed. It is also relates to a method of forming a micropocket structure on friction stressed surface of workpiece of cylinder, esepically for engine block of internal combustion engine.

Description

Bear the laser honing instrument that produces micro groove structure on the face of friction load at workpiece
Technical field
The present invention relates to be used on the face that bears friction load of workpiece, producing the laser honing instrument of the structure that constitutes by some microflutes.
The invention still further relates to a kind of be used for microflute be worked on the cylindrical form interior surface that bears friction load of workpiece, especially be worked into method on the working face of IC engine cylinder bore.
Background technology
The cylindrical working face in the hole in the engine cylinder-body that this class surface for example is an internal combustion engine.These microflutes are used to receive lubricant, especially in the zone of the top dead centre of internal combustion engine and lower dead center.
Open (EP 0 565 742 B1 of laser honing instrument with the device that is used for laser beam introducing, focusing and deflection; DE 43 16 012 C2; DE 295 06 005 U; EP 1 275 864B1).
Summary of the invention
Task of the present invention is: further improve this laser honing instrument.
According to the present invention, proposed a kind of laser honing instrument that is used on the face that bears friction load of workpiece producing the structure that is made of some microflutes, it has: be used for the device that is connected the hollow end sections that the below of a main shaft is opened wide on the body of tool of laser honing instrument and is used for laser beam is incorporated into the inner room of body of tool; Be used to make the device of laser beam focusing; Be used to the device that makes laser beam deflection about 90 °; A removable laser beam outgoing assembly; laser beam passes a cover glass and is directed in this laser beam outgoing assembly; and this laser beam passes through an opening outgoing from this laser beam outgoing assembly again; wherein between cover glass and opening, be configured with a chamber; a kind of gas flows to this chamber by pipeline, and this gas is discharged from the chamber by this opening again.
According to the present invention, also proposed a kind of laser honing instrument that is used on the face that bears friction load of workpiece producing the structure that is made of some microflutes, it has: be used for the device that is connected the hollow end sections that the below of a main shaft is opened wide on the body of tool of laser honing instrument and is used for laser beam is incorporated into the inner room of body of tool; Be used to make the device of laser beam focusing; A removable laser beam outgoing assembly; laser beam passes a cover glass and is introduced in this laser beam outgoing assembly; and this laser beam passes through an opening outgoing from this laser beam outgoing assembly again; wherein between cover glass and opening, be configured with a chamber; a kind of gas flows to this chamber by pipeline, and this gas is discharged from the chamber by this opening again.
Advantageously, focus optics in the body of tool be set at one can axially movable sleeve in, this sleeve has the pin that a slot that passes in the body of tool extends, and this pin is directed in a groove that extends sideling around the adjustable ring of described sleeve.
Advantageously, being used to make the device of laser beam deflection to have one can be around the deflecting mirror of an axis B swing of vertically extending with respect to the axis A of laser honing instrument.
Advantageously, be used to make the device of laser beam deflection to rotate with respect to body of tool.
According to the present invention, also proposed a kind of be used for microflute be worked on the cylindrical form interior surface that bears friction load of workpiece, especially be worked into method on the working face of IC engine cylinder bore, wherein, this method has following steps: with a known hone inner surface is carried out honing just; Introduce micro groove structure by laser honing instrument according to technique scheme; The microflute edge is carried out deburring; Inner surface is carried out final honing.
Advantageously, for deburring and for final honing, but used one to have first hone stone of independent operation and two hole enlargement instruments of second hone stone, wherein, first hone stone extends and is used for deburring being provided with on the zone of microflute, and second hone stone that extends on whole is used for final honing.
Advantageously, laser honing instrument axis A with respect to described hole in described hole rotates prejudicially.
Advantageously, in order to introduce these microflutes that constitute described structure, laser beam is incorporated into the described hole from oblique upper.
Description of drawings
With reference to the accompanying drawings embodiments of the invention and favourable further configuration thereof are described in detail below.Accompanying drawing is represented:
Embodiment of Fig. 1,
Fig. 2 second embodiment,
Fig. 3 follows employed deburring and microhoning instrument after the embodiment processing of using according to Fig. 1 and Fig. 2.
The specific embodiment
Fig. 1 shows a workpiece 1 with hole 2, and this hole has a cylindrical form interior surface 3.Some microflutes 6 are worked in this inner surface 3 (load) reception lubricant when friction load is born in the cylinder hole of these microflutes in the engine cylinder-body of inner surface 3, for example internal combustion engine by a laser beam 15 owing to rub.
The laser honing instrument has a body of tool 5, and this body of tool is fixed on the flange 8 of the hollow and main shaft 10 that open wide downwards of of honing machine with some screws 7.This main shaft can move up and down and be rotatable.
Laser beam 15 produces with known device, and is incorporated into the hollow lumen 11 of main shaft 10 from last (not shown).Then, the opening 9 of this laser beam from the bottom of main shaft 10 incides the inner room 16 of body of tool 5 and by a focus optics 17 and focuses in this wise, makes this laser beam form a some P behind the deflecting mirror 18 ' upper deflecting of an arrangement for deflecting 18 when shining the inner surface 3 of workpiece 1.If main shaft 10 turns over a definite angle around its axis A afterwards, then form a microflute 6.
Focus optics 17 is arranged in a sleeve 20, and this sleeve can move axially ground but be arranged on un-rotatably in the body of tool 5.This is achieved in that promptly a pin 23 that is arranged on regularly on this sleeve is directed in a slot 22 that extends in the axial direction.Rotation by adjustable ring 19 focuses on, and this adjustable ring rotationally but can not be arranged on the body of tool 5 with moving axially.In inside, that adjustable ring 19 is provided with is a rectangle, spiral helicine, thus as the groove 21 that extends sideling of the relative axis A of same screw thread, and pin 23 is coupled in this groove.Be permanently connected because this is sold with sleeve 20, so when rotating adjustable ring 19, pin 23 axially moves, and it is axially mobile to have sleeve 20 focus optics 17, that be connected with this pin thus.
Behind deflecting mirror 18 ' upper deflecting, laser beam 15 passes a laser beam outgoing assembly 30, is provided with a cover glass 31 in this laser beam outgoing assembly.This cover glass is used to prevent inner room 16 by particle pollution, and these particles are divested when laser beam 15 affacts on the inner surface 3 and splash down from this inner surface 3.Above-mentioned laser beam 15 passes through opening 32 outgoing from laser beam outgoing assembly 30.The diameter of this opening 32 should be as far as possible so little, yet be greater than at this locational beam diameter, so that help not having particle can enter into chamber 35 between cover glass 31 and the opening 32.
Be used to keep cover glass 31, not contaminated other measure is towards the surface of opening 32; the gas that will be under the pressure flows to chamber 35 between cover glass 31 and the opening 32 by a pipeline 40; then 35 discharges from the chamber again of this gas by opening 32; thus, this flow also prevented cover glass 31, on the side of described inner surface 3 because laser action and being penetrated into the chamber 35 from the particle under inner surface 3 explosions.
Adjustable ring 19 can or manually or by a numerical control controlling organization be adjusted on the different-diameter in hole 2.
As shown in the figure, arrangement for deflecting 18 for example have the deflecting mirror 18 of a reflector laser '.But also it can be designed to prism, thus, laser beam 15 is deflected according to the total reflection law.
Arrangement for deflecting 18 is configured to adjustable, and its mode is: deflecting mirror 18 ' and can be around swinging along the axis B that extends perpendicular to the drawing plane.In addition, this arrangement for deflecting can be around axis A rotation on base 25 together with axis B.
Skew when regulating laser beam 15, the diameter variation in the time of can obtaining variation aspect accurate relatively 90 ° of deflection angle and laser beam and pass opening 32.If laser beam 15 for example accurately is not adjusted at the centre of body of tool 5, then this laser beam drifts about up and down when body of tool 5 rotates.In a kind of being obliquely installed, in embodiment only schematically illustrated in Fig. 2, other skew appears.
Although cover glass 31 is still contaminated if taked relevant measure, then can change laser beam outgoing assembly 30 especially simply.This fast and the replacing possibility that need not to adjust reduced downtime in producing.
Recommendation with laser honing instrument 5 preferred in the hole 2 central authorities locate in this wise, make that this laser honing instrument can be around axis A rotation.Thus, distance between focus optics 17 and the inner surface 3 and the residing focussing plane of some P remain unchanged.
People also can and rotate this laser honing instrument with respect to location, the eccentric axis ground in hole 2.In this way, the distance between inner surface 3 and this laser honing instrument becomes big.Certainly, for this then the laser honing instrument must on a circular orbit, be directed to simultaneously.Scheme also can be as an alternative: make workpiece 1 around the rotation of laser honing instrument.
In form of implementation as shown in Figure 2, laser beam 15 is incorporated in the hole 2 from outside top obliquely.In the case, laser honing instrument 2 outside location then in the hole.Laser beam 15 carries out deflection unlike shown in Fig. 1.
Operate in this wise: at first in due form honing is just carried out in hole 2; Introduce the structure that constitutes by some microflutes 6 with described laser honing instrument then; Subsequently in another processing procedure to inner surface 3 deburrings, just remove the burr on microflute 6 edges; Carry out final honing then.
Above-mentioned deburring and final honing can be picked burr and hone carries out by unique going, and this deburring and hone are configured to the two hole enlargement instruments according to Fig. 3.This pair hole enlargement instrument has a body of tool 51, this body of tool is provided with some radially slots, alternately is provided with second hone stone 53 of first hone stone 52 of some cutting lays with the weak point that is used for deburring 60 and the cutting lay 61 that some have the length that is used for final honing in these slots.Short hone stone 52 is used for the edge deburring at the microflute 6 of the top dead centre near zone of piston, and this piston can be arranged in the hole 2 of internal combustion engine with moving up and down.Short hone stone 52 is used for the edge deburring to microflute 6.For this reason, if for example only in upper area (near the top dead centre of piston) on inner surface 3, apply microflute, then only need short hone stone.
Hole enlargement bar 54 be provided with some conical 54 ', these faces 54 ' with conical 52 ' acting in conjunction on hone stone 52, if move this hole enlargement bar 54, then these hone stones 52 radially outward move.But deburring this moment.Hole enlargement bar 55 be provided with some conical hole enlargement faces 55 ', these hole enlargement faces and conical 53 ' acting in conjunction on second hone stone 53, if otherwise mobile hole enlargement bar 55, then second hone stone 53 radially outward moves.Carry out final honing this moment.When hole enlargement bar 54 or 55 moved upward, hone stone 52 or 53 was radially inwardly drawn by back-moving spring 56.
The reference number inventory
1 workpiece, 25 bases
2 holes, 30 laser beam outgoing assemblies
Cylindrical form interior surface 31 cover glasses in 3 holes 2
5 body of tool, 32 openings
Chamber between 6 the microflutes 15 31 and 32 in 3
7 screws, 40 pipelines
8 flanges 50 are used for the instrument of deburring and final honing
The body of tool of opening 51 parts 50 on the bottom of 9 parts 10
10 main shafts, 52 first hone stones (short)
On the inner chamber 52 ' parts 52 of 11 parts 10 conical
15 laser beams, 53 second hone stones (long)
On the inner room 53 ' parts 53 of 16 parts 5 conical
17 focus optics 54 are used for the hole enlargement bar of parts 52
On 18 arrangements for deflecting, 54 ' parts 54 conical
18 ' deflecting mirror 55 is used for the hole enlargement bar of parts 53
On 19 adjustable rings, 55 ' parts 55 conical
20 sleeves, 56 back-moving springs
Cutting lay on 21 grooves, 60 parts 52 (short)
Cutting lay on slot 61 parts 53 in 225 (long)
23 pins

Claims (9)

1. be used for going up the laser honing instrument that produces the structure that is made of some microflutes (6) at the face that bears friction load (3) of workpiece (1), it has:
A) be used for the body of tool (5) that the hollow end sections (9) that the below of a main shaft (10) is opened wide is connected the laser honing instrument is gone up and is used for laser beam (15) is incorporated into the device (7,8) of the inner room (16) of body of tool (5);
B) device (17) that is used to make laser beam (15) to focus on;
C) be used to the device (18,18 ') that makes laser beam (15) deflection about 90 °;
D) a removable laser beam outgoing assembly (30); laser beam (15) passes a cover glass (31) and is directed in this laser beam outgoing assembly; and this laser beam passes through an opening (32) outgoing from this laser beam outgoing assembly again; wherein between cover glass (31) and opening (32), be configured with a chamber (35); a kind of gas flows to this chamber by pipeline (40), and this gas is (35) discharge from the chamber again by this opening (32).
2. be used for going up the laser honing instrument that produces the structure that is made of some microflutes (6) at the face that bears friction load (3) of workpiece (1), it has:
A) be used for the body of tool (5) that the hollow end sections (9) that the below of a main shaft (10) is opened wide is connected the laser honing instrument is gone up and is used for laser beam (15) is incorporated into the device (7,8) of the inner room (16) of body of tool (5);
B) device (17) that is used to make laser beam (15) to focus on;
C) a removable laser beam outgoing assembly (30); laser beam (15) passes a cover glass (31) and is introduced in this laser beam outgoing assembly; and this laser beam passes through an opening (32) outgoing from this laser beam outgoing assembly again; wherein between cover glass (31) and opening (32), be configured with a chamber (35); a kind of gas flows to this chamber by pipeline (40), and this gas is (35) discharge from the chamber again by this opening (32).
3. according to the laser honing instrument of claim 1 or 2, it is characterized in that, focus optics (17) in the body of tool (5) be set at one can axially movable sleeve (20) in, this sleeve has the pin (23) that a slot (22) that passes in the body of tool extends, and this pin is directed in a groove (21) that extends sideling of an adjustable ring around described sleeve (19).
4. according to the laser honing instrument of claim 1 or 3, it is characterized in that, be used to make the device (18) of laser beam (15) deflection to have the deflecting mirror (18 ') that to swing around the axis (B) that an axis with respect to the laser honing instrument (A) vertically extends.
5. according to the laser honing instrument of claim 4, it is characterized in that, be used to make the device (18) of laser beam (15) deflection to rotate with respect to body of tool (5).
6. be used for microflute (6) be worked on the cylindrical form interior surface that bears friction load (3) of workpiece (1), especially be worked into method on the working face of IC engine cylinder bore, it is characterized in that this method has following steps:
A) with a known hone inner surface (3) is carried out honing just;
B) introduce microflute (6) structure by laser honing instrument according to one in the claim 1～5;
C) microflute (6) edge is carried out deburring;
D) inner surface (3) is carried out final honing.
7. according to the method for claim 6, it is characterized in that, for deburring (step (c)) and for final honing (step (d)), but used one to have first hone stone (52) of independent operation and two hole enlargement instruments (50) of second hone stone (53), wherein, first hone stone (52) extends on the zone that is provided with microflute (6) and is used for deburring, and second hone stone (53) that extends on whole is used for final honing.
8. according to the method for claim 6 or 7, it is characterized in that laser honing instrument axis (A) with respect to described hole in described hole (2) rotates prejudicially.
9. according to the method for claim 6, it is characterized in that in order to introduce these microflutes (6) that constitute described structure, laser beam (15) is incorporated into the described hole (2) from oblique upper.
CNB2005101162926A 2005-04-07 2005-11-07 Laser grinding tool for producing micro groove structure on friction surface of workpiece Expired - Fee Related CN100534698C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE202005005905.6 2005-04-07
DE200520005905 DE202005005905U1 (en) 2005-04-07 2005-04-07 Device for producing recesses in the cylindrical inner surfaces of holes used in the production of engine blocks for combustion engines comprises using a laser beam which is periodically deviated in a radiation deviating unit
DE202005011772.2 2005-07-27

Publications (2)

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CN1843680A true CN1843680A (en) 2006-10-11
CN100534698C CN100534698C (en) 2009-09-02

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DE (1) DE202005005905U1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
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WO2011032495A1 (en) * 2009-09-15 2011-03-24 Robert Bosch Gmbh Laser match honing system and method
CN104400613A (en) * 2014-10-21 2015-03-11 上海交通大学 Sectional feeding honing head device with shape deviation compensation function
CN106249375A (en) * 2016-08-24 2016-12-21 武汉凌云光电科技有限责任公司 The adjustable hermetically sealed optical system of eyeglass
CN108698162A (en) * 2016-02-29 2018-10-23 格林技术有限公司 Device and method for being roughened substrate
CN110167709A (en) * 2017-01-05 2019-08-23 大众汽车有限公司 Laser tool with hollow shaft driving device and non-rotary lens；Method for adjusting the focal position of the laser beam in laser tool
CN110480257A (en) * 2019-07-12 2019-11-22 江苏长龄液压股份有限公司 A kind of manufacturing process of oil cylinder

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DE102005019757A1 (en) * 2005-04-28 2006-11-02 Sms Elotherm Gmbh Device for laser beam treatment of surfaces of metallic components, e.g. for combustion engine blocks, has light transparent deflection unit with mutually plane-parallel entrance surfaces for laser beam
DE202005022109U1 (en) 2005-12-19 2014-01-09 Gehring Technologies Gmbh Non-positive connection of the end faces of two machine parts
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US20160151862A1 (en) * 2012-02-10 2016-06-02 Limo Patentverwaltung Gmbh & Co. Kg Device for laser processing of a surface of a workpiece or for post-treatment of a coating on the outside or the inside of a workpiece
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EP0565742B1 (en) * 1992-04-11 1995-03-01 Maschinenfabrik Gehring GmbH & Co. Procedure of fine machining workpiece surfaces
EP1149660A1 (en) * 2000-04-03 2001-10-31 Rexam Beverage Packaging AB Method and device for dust protection in a laser processing apparatus
CN1268418A (en) * 2000-04-30 2000-10-04 李法岗 Gantry-type laser machine tool with boring, quenching and honing function
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011032495A1 (en) * 2009-09-15 2011-03-24 Robert Bosch Gmbh Laser match honing system and method
CN102019504B (en) * 2009-09-15 2012-08-29 博世汽车柴油系统股份有限公司 Laser adaption honing system and method
US8841575B2 (en) 2009-09-15 2014-09-23 Robert Bosch Gmbh Laser match honing system and method
CN104400613A (en) * 2014-10-21 2015-03-11 上海交通大学 Sectional feeding honing head device with shape deviation compensation function
CN104400613B (en) * 2014-10-21 2017-05-24 上海交通大学 Sectional feeding honing head device with shape deviation compensation function
CN108698162A (en) * 2016-02-29 2018-10-23 格林技术有限公司 Device and method for being roughened substrate
CN108698162B (en) * 2016-02-29 2021-05-14 格林技术有限公司 Apparatus and method for roughening a substrate
CN106249375A (en) * 2016-08-24 2016-12-21 武汉凌云光电科技有限责任公司 The adjustable hermetically sealed optical system of eyeglass
CN106249375B (en) * 2016-08-24 2019-01-29 武汉凌云光电科技有限责任公司 The adjustable hermetically sealed optical system of eyeglass
CN110167709A (en) * 2017-01-05 2019-08-23 大众汽车有限公司 Laser tool with hollow shaft driving device and non-rotary lens；Method for adjusting the focal position of the laser beam in laser tool
CN110480257A (en) * 2019-07-12 2019-11-22 江苏长龄液压股份有限公司 A kind of manufacturing process of oil cylinder
CN110480257B (en) * 2019-07-12 2020-05-19 江苏长龄液压股份有限公司 Manufacturing process of oil cylinder

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Publication number Publication date
DE202005005905U1 (en) 2005-06-16
CN100534698C (en) 2009-09-02

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