EP1148146A2 - Verfahren und Vorrichtung zum gesteuerten Abschrecken von Leichtmetallgussstücken in einem Flüssigkeitsbad - Google Patents
Verfahren und Vorrichtung zum gesteuerten Abschrecken von Leichtmetallgussstücken in einem Flüssigkeitsbad Download PDFInfo
- Publication number
- EP1148146A2 EP1148146A2 EP01108439A EP01108439A EP1148146A2 EP 1148146 A2 EP1148146 A2 EP 1148146A2 EP 01108439 A EP01108439 A EP 01108439A EP 01108439 A EP01108439 A EP 01108439A EP 1148146 A2 EP1148146 A2 EP 1148146A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid bath
- castings
- liquid
- gas bubble
- gas
- 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
- 239000007788 liquid Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000010791 quenching Methods 0.000 title claims abstract description 12
- 230000000171 quenching effect Effects 0.000 title claims abstract description 12
- 238000005058 metal casting Methods 0.000 title claims abstract description 5
- 238000005266 casting Methods 0.000 claims abstract description 17
- 238000011065 in-situ storage Methods 0.000 claims abstract description 4
- 230000001174 ascending effect Effects 0.000 claims abstract description 3
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000006262 metallic foam Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000000151 deposition Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000001816 cooling Methods 0.000 description 5
- 239000002826 coolant Substances 0.000 description 2
- -1 ferrous metals Chemical class 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
- C21D1/64—Quenching devices for bath quenching with circulating liquids
Definitions
- the invention relates to a method and an apparatus for controlled quenching of light metal castings in one Liquid bath.
- Quenching castings in a liquid bath is a well known element of both heat treatment of ferrous metals as well as non-ferrous metals. For this is both immersing castings in a water bath or a Oil bath and as an alternative to this, rinsing under water known.
- a device is known from SU 1 574 648 A1, which a Contains liquid container, in the side wall of a compressed gas line flows into which an injector is located inside the container to form a gas-bubble-enriched cooling stream. Parts to be hardened are inserted into the Liquid lowered.
- the object of the present invention is the method and to improve the device so that the Quenching can be adjusted better.
- the solution consists in a process in which the castings in Liquid bath from below at least temporarily from an ascending Blown gas stream, the gas bubbles of the gas bubble flow generated in situ at the bottom of the liquid bath are and in a device comprising a liquid-filled Basin that has at least one inlet and one Has a drain for liquid and a gas bubble generator is provided at the bottom of the basin, at least one Air supply chamber at the bottom of the basin with a cover includes a plurality of gas outlet openings.
- the gas bubbles at the bottom of the liquid bath are preferred equally generated in situ.
- the castings can conveniently at a distance above a gas bubble formation zone to be ordered.
- the liquid bath can be a water bath be and the gas bubble flow consist of air bubbles. While immersing the castings in the liquid bath after a previous heating of the castings to a certain initial temperature leads to known cooling curves, can by the invention Adding a gas bubble stream the cooling rate be significantly reduced or strengthened. By setting and regulating the gas bubble flow can in particular ensure that certain transition temperatures for the structure cannot be undershot early. The gas bubble flow does not need to be applied throughout the quenching process become; rather, it can be done before the final one Removed the castings from the liquid bath turned off again become.
- the gas bubble generator according to the invention can have at least one Include air supply chamber at the bottom of the basin by a Cover completed with a variety of gas vents is.
- the cover can be made of a porous Plate exist in the event of excess pressure in the air supply chamber lets a gas bubble flow emerge evenly distributed upwards.
- the porous plate can e.g. made of open metal foam, more porous Ceramic or sintered metal exist.
- Another possibility consists of a wire mesh element as a cover for the air supply chamber to use. Basically, it is cheap if prevents liquid from flowing into the air supply chamber can be. Since this will not be entirely possible provide a drain for liquid in the air supply chamber.
- the air supply chamber should include pressure control means around the To regulate or adjust gas bubble flow.
- the uniform Air supply chamber can also be provided through individual ducts or lines individual nozzle heads at the bottom of the pool with one each Variety of gas outlets to be replaced.
- the cover of the air supply chamber can be in the pool Support base for storing the castings can be provided, the relative large openings for the passage of the gas bubble flow must have.
- Liquid supplied via an inlet can be circulated and be cooled back. It is also possible to overflow quantities easy to dissipate or use in other processes.
- a basin 11 of cuboid shape is shown, the one has upper opening 12 and a bottom 15, over which with some Distance a cover 13 is drawn, which is an air supply chamber 14 completes.
- the cover is made of a porous plate formed, which forms a plurality of gas outlet openings.
- the cover 13 is placed all around on the floor 15 Box profiles 21. Over the cover 13 is with some Distance a tray 22 retracted for storing the castings.
- a tray 22 Over the cover 13 is with some Distance a tray 22 retracted for storing the castings.
- Above the cover 13 is the pool 11 with quenching liquid 16 filled, rise in the gas bubbles 17, which from the Air supply chamber 14 rise through the porous cover 13.
- the pool 11 has a lockable water inlet 18 below of the tray 22 and a lockable water drain 19 close the upper opening 12 of the basin 11.
- To a constant water flow during the quenching process are a another water inlet 24 and another water outlet 25 above of the tray 22 provided.
- Figure 2 are the top view of the basin 11 with the inserted therein Tragboden 22 and the water inlets 18, 24 and the water outlets 19, 25 for quenching liquid and the connection 20 recognizable for compressed air. Furthermore, the all-round box profile 21 visible.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Continuous Casting (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Heat Treatment Of Articles (AREA)
- Furnace Details (AREA)
Abstract
Description
Hierin zeigen:
- Fig. 1
- ein flüssigkeitsgefülltes Becken im senkrechten Schnitt;
- Fig. 2
- ein Becken nach Figur 1 in Draufsicht;
Claims (12)
- Verfahren zum gesteuerten Abschrecken von Leichtmetallgußstücken in einem Flüssigkeitsbad, bei dem die Gußstücke im Flüssigkeitsbad von unten zumindest zeitweise von einem aufsteigenden Gasblasenstrom angeströmt werden,
dadurch gekennzeichnet, daß die Gasblasen des Gasblasenstroms am Grund des Flüssigkeitsbades in situ erzeugt werden. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß die Gasblasen gleichverteilt am Grund des Flüssigkeitsbades erzeugt werden. - Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß die Gußstücke mit Abstand oberhalb einer Entstehungszone der Gasblasen angeordnet werden. - Verfahren nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß das Flüssigkeitsbad in einem Kreislauf umgepumpt und rückgekühlt wird. - Verfahren nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß dem Flüssigkeitsbad ständig neue Flüssigkeit an seinem Grund zugeführt wird und Überlaufmengen an Flüssigkeit ständig abgeführt werden. - Verfahren nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, daß der Gasblasenstrom bereits vor dem vollständigen Eintauchen der Gußstücke in das Flüssigkeitsbad einsetzt. - Verfahren nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, daß der Gasblasenstrom bereits vor dem Entnehmen der Gußstücke aus dem Flüssigkeitsbad abgestellt wird. - Vorrichtung zum gesteuerten Abschrecken von Leichtmetallgußstücken in einem Flüssigkeitsbad, umfassend ein mit Abschreckflüssigkeit gefülltes Becken (11), das über zumindest einen Zulauf (18) und einen Ablauf (19) für Flüssigkeit und über einen Gasblasengenerator verfügt,
dadurch gekennzeichnet, daß der Gasblasengenerator zumindest eine Luftzufuhrkammer (14) am Grund des Beckens (11) mit einer Abdeckung (13) mit einer Vielzahl von Gasaustrittsöffnungen umfaßt. - Vorrichtung nach Anspruch 8,
dadurch gekennzeichnet, daß oberhalb der Abdeckung (13) bzw. des Zulaufs (18) mit dem Injektorsystem ein Tragboden (22) zum Ablegen der Gußstücke vorgesehen ist. - Vorrichtung nach einem der Ansprüche 8 oder 9,
dadurch gekennzeichnet, daß die Abdeckung (13) aus einer porösen Platte besteht, die insbesondere aus offenem Metallschaum, poröser Keramik oder Sintermetall hergestellt ist. - Vorrichtung nach einem der Ansprüche 8 oder 9,
dadurch gekennzeichnet, daß die Abdeckung (13) aus einem Drahtgewebeelement besteht. - Vorrichtung nach einem der Ansprüche 8 bis 11,
dadurch gekennzeichnet, daß in einem Anschluß (20) zur Luftzufuhrkammer (14) Druckregelmittel zum Einstellen oder Regeln des Gasblasenstroms vorgesehen sind.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10019306A DE10019306C1 (de) | 2000-04-19 | 2000-04-19 | Verfahren und Vorrichtung zum gesteuerten Abschrecken von Leichtmetallstücken in einem Flüssigkeitsbad |
| DE10019306 | 2000-04-19 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| EP1148146A2 true EP1148146A2 (de) | 2001-10-24 |
| EP1148146A3 EP1148146A3 (de) | 2003-10-29 |
| EP1148146B1 EP1148146B1 (de) | 2006-01-04 |
| EP1148146B8 EP1148146B8 (de) | 2006-04-05 |
Family
ID=7639252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01108439A Expired - Lifetime EP1148146B8 (de) | 2000-04-19 | 2001-04-04 | Verfahren und Vorrichtung zum gesteuerten Abschrecken von Leichtmetallgussstücken in einem Flüssigkeitsbad |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US20010054460A1 (de) |
| EP (1) | EP1148146B8 (de) |
| JP (1) | JP2001348617A (de) |
| KR (1) | KR100443226B1 (de) |
| CN (1) | CN1323914A (de) |
| AT (1) | ATE315110T1 (de) |
| AU (1) | AU747095B2 (de) |
| BR (1) | BR0101500A (de) |
| CA (1) | CA2344287A1 (de) |
| CZ (1) | CZ296750B6 (de) |
| DE (2) | DE10019306C1 (de) |
| ES (1) | ES2256105T3 (de) |
| HU (1) | HUP0101574A3 (de) |
| MX (1) | MXPA01003906A (de) |
| NO (1) | NO20011905L (de) |
| PL (1) | PL347049A1 (de) |
| SK (1) | SK285480B6 (de) |
| ZA (1) | ZA200102604B (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10312394A1 (de) * | 2003-03-20 | 2004-09-30 | Bayerische Motoren Werke Ag | Verfahren und Vorrichtung zur Wärmebehandlung eines Bauteils aus einer Metalllegierung |
| JP2007131897A (ja) * | 2005-11-09 | 2007-05-31 | Chuo Motor Wheel Co Ltd | 金属部材の熱処理方法及び金属部材の熱処理装置 |
| CZ306767B6 (cs) * | 2008-12-04 | 2017-06-28 | Explosia A.S. | Rozpouštědlo pro výrobu či úpravu nitrocelulózových bezdýmných prachů |
| KR101086062B1 (ko) | 2008-12-23 | 2011-11-22 | 부산대학교 산학협력단 | 담금질 수조용 증기막 제거장치 |
| DE102013008396B4 (de) | 2013-05-17 | 2015-04-02 | G. Rau Gmbh & Co. Kg | Verfahren und Vorrichtung zum Umschmelzen und/oder Umschmelzlegieren metallischer Werkstoffe, insbesondere von Nitinol |
| CN103341620B (zh) * | 2013-07-05 | 2015-09-30 | 亚新铸造(苏州)有限公司 | 一种用于铸造中冷却池内冷凝水的温度调节系统 |
| DE112017006641T5 (de) * | 2016-12-28 | 2019-09-19 | Ihi Corporation | Wärmebehandlungsvorrichtung |
| CN108580856A (zh) * | 2018-07-17 | 2018-09-28 | 安徽思源三轻智能制造有限公司 | 一种用于铸造中铸件的快速冷却装置 |
| CN111690796A (zh) * | 2020-06-10 | 2020-09-22 | 中国铁建高新装备股份有限公司 | 淬火装置及淬火系统 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS579826A (en) * | 1980-06-19 | 1982-01-19 | Sumitomo Electric Ind Ltd | Method and device for heat treatment of metals |
| JPS61526A (ja) * | 1984-06-13 | 1986-01-06 | Sumitomo Electric Ind Ltd | 炭素鋼材の熱処理方法および装置 |
| JPS62202019A (ja) * | 1986-03-01 | 1987-09-05 | Nippon Light Metal Co Ltd | 金属材料の焼入れ方法および装置 |
| SU1574648A1 (ru) * | 1987-07-09 | 1990-06-30 | Институт технической теплофизики АН УССР | Устройство дл закалки изделий |
| DE3900995A1 (de) * | 1988-06-01 | 1990-07-12 | Mannesmann Ag | Verfahren zum haerten eines zylindrischen hohlkoerpers |
| DE4215837C2 (de) * | 1992-05-14 | 1995-06-22 | Man Technologie Gmbh | Verfahren zum Abschrecken oder Aufheizen von Werkstücken |
| DE4412940A1 (de) * | 1994-04-15 | 1995-10-26 | Iva Industrieoefen Verfahren A | Verfahren zum Verändern der Abschreckintensität in flüssigen Abschreckmedien |
-
2000
- 2000-04-19 DE DE10019306A patent/DE10019306C1/de not_active Expired - Fee Related
-
2001
- 2001-03-27 AU AU31353/01A patent/AU747095B2/en not_active Ceased
- 2001-03-29 ZA ZA200102604A patent/ZA200102604B/xx unknown
- 2001-04-04 AT AT01108439T patent/ATE315110T1/de not_active IP Right Cessation
- 2001-04-04 EP EP01108439A patent/EP1148146B8/de not_active Expired - Lifetime
- 2001-04-04 DE DE50108596T patent/DE50108596D1/de not_active Expired - Fee Related
- 2001-04-04 ES ES01108439T patent/ES2256105T3/es not_active Expired - Lifetime
- 2001-04-05 CZ CZ20011251A patent/CZ296750B6/cs not_active IP Right Cessation
- 2001-04-09 SK SK482-2001A patent/SK285480B6/sk not_active IP Right Cessation
- 2001-04-12 PL PL01347049A patent/PL347049A1/xx not_active Application Discontinuation
- 2001-04-12 US US09/833,836 patent/US20010054460A1/en not_active Abandoned
- 2001-04-16 JP JP2001117194A patent/JP2001348617A/ja active Pending
- 2001-04-17 CN CN01116646A patent/CN1323914A/zh active Pending
- 2001-04-18 NO NO20011905A patent/NO20011905L/no not_active Application Discontinuation
- 2001-04-18 BR BR0101500-1A patent/BR0101500A/pt not_active IP Right Cessation
- 2001-04-18 CA CA002344287A patent/CA2344287A1/en not_active Abandoned
- 2001-04-18 MX MXPA01003906A patent/MXPA01003906A/es active IP Right Grant
- 2001-04-18 HU HU0101574A patent/HUP0101574A3/hu unknown
- 2001-04-19 KR KR10-2001-0021009A patent/KR100443226B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| AU3135301A (en) | 2001-11-01 |
| KR100443226B1 (ko) | 2004-08-04 |
| SK285480B6 (sk) | 2007-02-01 |
| CZ296750B6 (cs) | 2006-06-14 |
| HUP0101574A3 (en) | 2004-03-01 |
| NO20011905D0 (no) | 2001-04-18 |
| ATE315110T1 (de) | 2006-02-15 |
| CN1323914A (zh) | 2001-11-28 |
| HU0101574D0 (en) | 2001-06-28 |
| CA2344287A1 (en) | 2001-10-19 |
| KR20010098726A (ko) | 2001-11-08 |
| BR0101500A (pt) | 2001-11-20 |
| EP1148146A3 (de) | 2003-10-29 |
| US20010054460A1 (en) | 2001-12-27 |
| EP1148146B1 (de) | 2006-01-04 |
| ES2256105T3 (es) | 2006-07-16 |
| NO20011905L (no) | 2001-10-22 |
| HUP0101574A2 (hu) | 2001-12-28 |
| CZ20011251A3 (cs) | 2002-05-15 |
| SK4822001A3 (en) | 2002-07-02 |
| DE10019306C1 (de) | 2001-09-13 |
| MXPA01003906A (es) | 2004-05-31 |
| EP1148146B8 (de) | 2006-04-05 |
| JP2001348617A (ja) | 2001-12-18 |
| DE50108596D1 (de) | 2006-03-30 |
| AU747095B2 (en) | 2002-05-09 |
| ZA200102604B (en) | 2001-10-02 |
| PL347049A1 (en) | 2001-10-22 |
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