EP1070151A1 - Positionierarm für positionier- und bestücksysteme und verfahren zur herstellung von positionierarmen - Google Patents
Positionierarm für positionier- und bestücksysteme und verfahren zur herstellung von positionierarmenInfo
- Publication number
- EP1070151A1 EP1070151A1 EP99917748A EP99917748A EP1070151A1 EP 1070151 A1 EP1070151 A1 EP 1070151A1 EP 99917748 A EP99917748 A EP 99917748A EP 99917748 A EP99917748 A EP 99917748A EP 1070151 A1 EP1070151 A1 EP 1070151A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- positioning
- ceramic
- foam
- positioning arm
- arm
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/08—Alloys with open or closed pores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/002—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of porous nature
- B22F7/004—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of porous nature comprising at least one non-porous part
- B22F7/006—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of porous nature comprising at least one non-porous part the porous part being obtained by foaming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D25/00—Special casting characterised by the nature of the product
- B22D25/005—Casting metal foams
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12479—Porous [e.g., foamed, spongy, cracked, etc.]
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12486—Laterally noncoextensive components [e.g., embedded, etc.]
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249955—Void-containing component partially impregnated with adjacent component
- Y10T428/249956—Void-containing component is inorganic
Definitions
- Positioning arm for positioning and Bestucksysteme and Ver ⁇ continue to produce positioning arms
- a space-saving portal construction is tionierachsen for the X, Y Posi ⁇ preferred here in which a positioning arm itself example ⁇ example, m X-direction can be moved, while a talen in the horizon ⁇ region of the positioning arm arranged Schlittenem- standardize the method fixed the fact Positioning unit in the Y direction enabled.
- a positioning arm itself example ⁇ example, m X-direction can be moved, while a talen in the horizon ⁇ region of the positioning arm arranged Schlittenem- standardize the method fixed the fact Positioning unit in the Y direction enabled.
- the moving mass should be kept as low as possible.
- Bending and torsion-resistant positioning arms for positioning and Bestucksysteme are usually manufactured as weldments, as stainless steel Femguß construction or as a composite made of precious steel ⁇ -precision casting and welding parts. Furthermore, extruded aluminum profiles, cast aluminum parts and ceramic materials as well as fiber composites such as glass fiber or carbon fiber reinforced laminates are used.
- Appropriate models are initially provided in the manufacture of the positioning arms which are resistant to bending and use by investment casting, these so-called “lost” models mostly consisting of waxes, thermoplastic materials, urea or mixtures thereof.
- DE 42 06 303 discloses a method for producing metal foam bodies, in which a metal powder is mixed with a blowing agent powder, the powder mixture is brought to an elevated temperature in a recipient and is extruded through a die. Subsequently, the extrusion is foamed by heating with decomposition of the blowing agent powder and cooled as a finished foam body.
- DE 195 01 508 discloses a component for the chassis of a motor vehicle and a method for producing such a component, the component consisting of die-cast aluminum and having a cavity profile, in the cavity of which there is a core made of aluminum foam.
- the object underlying the invention is to provide a positioning ⁇ arm and a flexible process for the production of positioning arms, said positioning arms to the one hand, have a very high flexural and torsional rigidity and on the other hand, the lowest possible weight.
- the method is said to be particularly suitable for the production of light, bending and torsionally rigid positioning arms for positioning and placement systems.
- the method according to the invention also offers the possibility of optimal design, the structural requirements for high bending and torsional rigidity being taken into account in particular.
- a positioning arm made of the composite material: metal or ceramic foam / metallic or ceramic material should not be considered hollow, such as cast parts made of steel, aluminum or ceramic, but as a solid material and therefore has a high torsional stiffness and does not spring back when accelerated.
- the advantageous embodiment of the positioning arm according to claim 4 and the manufacturing method according to claim 15 allows further flexibility in the design of the positioning arm through the use of multilayer structures, with alternating metal or ceramic foams and non-foamed materials.
- Semi-finished products are at least partially arranged in the non-foamed material according to claim 5 or claim 14. This results in a firm connection of the semifinished product in the positioning arm and thus simple connections of the positioning arm to other workpieces can be realized. For example, threads can be cast around them, which are then used for screw connections, or tube-shaped semi-finished products as a simple implementation of cable feedthroughs that, when used in placement machines, serve for the power and data supply of placement heads attached to the positioning arm.
- the use of aluminum or aluminum alloys as metal foam and / or non-foamed material according to one of claims 6, 7, 16 or 17 leads to particularly light positioning arms due to the low specific weight of aluminum.
- the elastic modulus of aluminum foam materials is lower than for aluminum (69 GPa), ceramic (approx. 300 GPa) or steel (approx. 210 GPa), due to its low density (300-1000 kg / m 3 ) compared to the other materials (aluminum: 2700 kg / m 3 , ceramic: approx. 4000 5 kg / m 3, steel about 8000 kg / m 3) is given a high specifi ⁇ specific bending stiffness terialien by combination with other Ma ⁇ is further improved.
- Fig.la a core of a metal or ceramic foam with a cladding layer of a non-expanded material
- lc Fig.lb a core of a metal or ceramic foam, which is surrounded by a cladding layer of a non geCum ⁇ th material, 2a part of a positioning arm , which was created by casting several cores, with the associated longitudinal and cross-section m FIGS. 2b and 2c,
- FIG. 3 shows a layered structure made of metal or ceramic foam and non-foamed materials
- FIG. 4 shows part of a positioning arm with a layer structure around a core
- FIGS. 5a and 5c show in cross section two possibilities for arranging a semifinished product in a positioning arm based on a cast metal or ceramic foam
- FIG. 7 shows a plan view of a positioning arm with a placement head in use in an automatic placement machine
- FIG. 8 shows a section along the line II-II of FIG. 7.
- 6 shows how part of a positioning arm of a positioning and mounting system 1 is constructed from a core 2 made of metal or ceramic foam, which is encased with a jacket layer 3 made of a metallic or ceramic material.
- a low-pressure casting process is used for the encapsulation .
- a core 2 made of aluminum foam is cast around with aluminum or an aluminum alloy. Due to the lower density of the aluminum foam, a weight reduction is achieved compared to the rough positioning arms made of aluminum.
- Suitable as ceramic foam are, for example, aluminum silicate or aluminum oxide fibers or alkaline earth silicate fibers processed by the vacuum suction process.
- the method can be varied by, for example, casting several cores 2 made of aluminum foam material together with a metallic or ceramic material 3.
- partition walls cannot be produced, since the sand cores have to be removed again by means of punches after the casting.
- Layered structures are possible by repeatedly using the casting and surrounding methods with metal or ceramic foam, as is shown by way of example in FIG. 3.
- a core 2 made of metal or ceramic foam has been cast around with a metallic or ceramic material 3, which is then surrounded by a further layer 4, for example from a further metal or ceramic foam, which absorbs impact energy particularly well.
- 7 In Fig. 4 shows how a core 3 foamed from a non-ge ⁇ material, such as a semi-finished product or a metal casting or metal-extrusion of a jacket ⁇ layer 3 made of metal or Kera ikschaum is surrounded, in turn, is encapsulated with a further layer 4 made of a metallic or ceramic material.
- a non-ge ⁇ material such as a semi-finished product or a metal casting or metal-extrusion of a jacket ⁇ layer 3 made of metal or Kera ikschaum is surrounded, in turn, is encapsulated with a further layer 4 made of a metallic or ceramic material.
- 5a, 5b and 5c show three possibilities for arranging semi-finished products in positioning arms.
- 5a shows how a semifinished product 5 is surrounded by metal or ceramic foam 6.
- This embodiment has the disadvantage that, due to the low surface adhesion between metal or ceramic foam 6 and semi-finished product 5, the connection is often not sufficiently resilient.
- Higher loads are achieved by the embodiment according to FIG. 5b, in which the semifinished product 5 is surrounded both by the core 2 made of metal or ceramic foam and by the cladding layer 3 made of metallic or ceramic material.
- the embodiment according to FIG. 5c, wherein the semifinished product 5 is surrounded in a known manner by the cladding layer 3 from the metallic or ceramic material and has no contact with the core 2 made of metal or ceramic foam, is suitable for withstanding high loads.
- FIG. 7 shows the positioning arm 1 composed of cores 2 and cladding layer 3, as is used in an automatic placement machine.
- the positioning arm 1 can be moved in the X direction on a rail 10.
- a slide 11 is attached, which in Y- Direction is followed.
- a mounting head 12 is connected to the slide 11 and holds a plurality of suction pipettes 13 along its circumference.
- the suction pipettes 13 serve to transport components 14 from supply units (not shown) to the desired position of the components 14 on a printed circuit board 15, as shown in FIG. 8.
- the Bestuckkopf 13 is rotatably supported so that a total of twelve suction pipes 13, for example, with the initial twelve ⁇ construction elements are removed from the feed units 13, before these twelve devices 13 are sequentially placed on the printed circuit board 15 °.
- the invention encompasses all other conceivable combinations of metal foams with metallic and / or ceramic materials, which are not shown in detail here, but are obvious to the person skilled in the art.
- Layered structures can thus also be realized, for example, by surrounding metallic or ceramic cores with metal or ceramic foam and then further encapsulating them with metallic and / or ceramic materials.
- the described methods are particularly suitable for the implementation of positioning arms with automatic placement machines that are exposed to particularly strong acceleration forces.
- the method is also suitable for highly accelerated components on machines whose swing-out behavior has a strong influence on positioning duration and positioning accuracy.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Laminated Bodies (AREA)
- Ceramic Products (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Manipulator (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19811612 | 1998-03-17 | ||
DE19811612A DE19811612C1 (de) | 1998-03-17 | 1998-03-17 | Portal für Positionier- und Bestücksysteme und Verfahren zur Herstellung von Portalen |
PCT/DE1999/000438 WO1999047717A1 (de) | 1998-03-17 | 1999-02-17 | Positionierarm für positionier- und bestücksysteme und verfahren zur herstellung von positionierarmen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1070151A1 true EP1070151A1 (de) | 2001-01-24 |
EP1070151B1 EP1070151B1 (de) | 2003-05-02 |
Family
ID=7861221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99917748A Expired - Lifetime EP1070151B1 (de) | 1998-03-17 | 1999-02-17 | Positionierarm für positionier- und bestücksysteme und verfahren zur herstellung von positionierarmen |
Country Status (7)
Country | Link |
---|---|
US (1) | US6428907B1 (de) |
EP (1) | EP1070151B1 (de) |
JP (1) | JP2002506744A (de) |
KR (1) | KR20010041889A (de) |
CN (1) | CN1293715A (de) |
DE (2) | DE19811612C1 (de) |
WO (1) | WO1999047717A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
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DE19927837C1 (de) * | 1999-06-18 | 2001-01-25 | Schwaebische Werkzeugmaschinen | Verfahren zum Herstellen eines Metallbauteils aus Metallschaum für eine Werkzeugmaschine |
DE19940361A1 (de) * | 1999-08-25 | 2001-03-01 | Abb Patent Gmbh | Kabelgarnitur in Form eines Steckendverschlusses und/oder Kabel-Verbindungsmuffe |
CN1314533C (zh) * | 2000-11-30 | 2007-05-09 | 北京有色金属研究总院 | 一种复合泡沫金属及其制备方法 |
DE10123899A1 (de) * | 2001-05-16 | 2002-11-21 | Goldschmidt Ag Th | Verfahren zur Herstellung von Metallformteilen |
DE10127716A1 (de) * | 2001-06-07 | 2002-12-12 | Goldschmidt Ag Th | Verfahren zur Herstellung von Metall/Metallschaum-Verbundbauteilen |
JP3869255B2 (ja) * | 2001-06-14 | 2007-01-17 | 富士通株式会社 | 金属成形体製造方法およびこれにより製造される金属成形体 |
US6808003B2 (en) * | 2001-08-07 | 2004-10-26 | Alcoa Inc. | Coextruded products of aluminum foam and skin material |
AT411970B (de) * | 2002-04-19 | 2004-08-26 | Huette Klein Reichenbach Gmbh | Leichtbauteil, sowie verfahren und vorrichtung zu dessen herstellung |
DE10328047B3 (de) * | 2003-06-23 | 2005-04-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aus Metallschaumbausteinen aufgebautes Bauteil und Verfahren zu seiner Herstellung |
DE102004030780A1 (de) * | 2004-06-25 | 2006-01-19 | Audi Ag | Verbundwerkstoff und Verfahren zu seiner Herstellung |
DE102006018381A1 (de) * | 2006-04-20 | 2007-10-25 | Siemens Ag | Verfahren zur Erhöhung der Steifigkeit eines einen Hohlraum aufweisenden Bauteils und danach hergestelltes Bauteil |
AT503824B1 (de) | 2006-07-13 | 2009-07-15 | Huette Klein Reichenbach Gmbh | Metallformkörper und verfahren zu dessen herstellung |
DE102007006156B3 (de) * | 2007-02-07 | 2008-06-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Herstellung eines Verbundkörpers und Zwischenprodukt zur Herstellung eines Verbundkörpers |
US20120051898A1 (en) * | 2011-08-05 | 2012-03-01 | General Electric Company | Wind turbine component having a lightweight structure |
DE102013103125B4 (de) * | 2013-03-27 | 2021-10-14 | Asm Assembly Systems Gmbh & Co. Kg | Portalsystem und Verfahren zur Herstellung eines Portalsystems zur Positionierung von wenigstens einem Bestückkopf in einer SMT-Bestückmaschine |
US9321101B2 (en) * | 2013-07-05 | 2016-04-26 | Dell Products L.P. | High-strength structural elements using metal foam for portable information handling systems |
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US3930627A (en) * | 1973-10-03 | 1976-01-06 | Summa Corporation | Radiation shielding and gas diffusion apparatus |
JPS58102304A (ja) * | 1981-12-15 | 1983-06-17 | Matsushita Electric Ind Co Ltd | ト−ンア−ム装置 |
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JPS63268551A (ja) * | 1987-04-24 | 1988-11-07 | Suzuki Motor Co Ltd | 軽合金鋳物 |
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FR2671796B1 (fr) | 1991-01-17 | 1994-01-07 | Vesuvius France Sa | Materiau refractaire monolithe isolant - procede de realisation et piece selon le procede . |
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DE19501508C1 (de) * | 1995-01-19 | 1996-04-25 | Lemfoerder Metallwaren Ag | Bauteil für das Fahrwerk eines Kraftfahrzeuges und Verfahren zur Herstellung eines solchen Bauteils |
US5564064A (en) * | 1995-02-03 | 1996-10-08 | Mcdonnell Douglas Corporation | Integral porous-core metal bodies and in situ method of manufacture thereof |
US5582784A (en) * | 1995-08-16 | 1996-12-10 | Northrop Grumman Corporation | Method of making ceramic matrix composite/ceramic foam panels |
US5992500A (en) | 1996-04-16 | 1999-11-30 | Cmi International, Inc. | Method of making a casting having a low density insert |
DE19717066C1 (de) * | 1997-04-23 | 1998-02-26 | Daimler Benz Ag | Verfahren zum Trennen stranggepreßter Hohlprofile und Strangpreßvorrichtung |
WO1999025432A2 (en) * | 1997-11-19 | 1999-05-27 | Edge Innovations & Technology, Llc | Sports equipment incorporating granular materials for vibration damping |
DE19753358C2 (de) * | 1997-12-02 | 2000-05-11 | Daimler Chrysler Ag | Pleuelstange für eine Hubkolbenmaschine sowie Verfahren zu ihrer Herstellung |
-
1998
- 1998-03-17 DE DE19811612A patent/DE19811612C1/de not_active Expired - Fee Related
-
1999
- 1999-02-17 JP JP2000536898A patent/JP2002506744A/ja active Pending
- 1999-02-17 WO PCT/DE1999/000438 patent/WO1999047717A1/de active IP Right Grant
- 1999-02-17 KR KR1020007010191A patent/KR20010041889A/ko not_active Application Discontinuation
- 1999-02-17 DE DE59905334T patent/DE59905334D1/de not_active Expired - Fee Related
- 1999-02-17 US US09/646,148 patent/US6428907B1/en not_active Expired - Fee Related
- 1999-02-17 EP EP99917748A patent/EP1070151B1/de not_active Expired - Lifetime
- 1999-02-17 CN CN99804062A patent/CN1293715A/zh active Pending
Non-Patent Citations (1)
Title |
---|
See references of WO9947717A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2002506744A (ja) | 2002-03-05 |
DE59905334D1 (de) | 2003-06-05 |
EP1070151B1 (de) | 2003-05-02 |
DE19811612C1 (de) | 1999-02-25 |
CN1293715A (zh) | 2001-05-02 |
KR20010041889A (ko) | 2001-05-25 |
WO1999047717A1 (de) | 1999-09-23 |
US6428907B1 (en) | 2002-08-06 |
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