EP1373585A2 - Verfahren zur herstellung eines hartmetallansatzes - Google Patents
Verfahren zur herstellung eines hartmetallansatzesInfo
- Publication number
- EP1373585A2 EP1373585A2 EP02703388A EP02703388A EP1373585A2 EP 1373585 A2 EP1373585 A2 EP 1373585A2 EP 02703388 A EP02703388 A EP 02703388A EP 02703388 A EP02703388 A EP 02703388A EP 1373585 A2 EP1373585 A2 EP 1373585A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- hard metal
- wet sludge
- producing
- drying
- spray
- 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
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- 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
- C22C1/10—Alloys containing non-metals
- C22C1/1084—Alloys containing non-metals by mechanical alloying (blending, milling)
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/026—Spray drying of solutions or suspensions
-
- 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
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
- C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Definitions
- Paraffin as a pressing aid and water as a grinding medium.
- the powder mixture is then cooled as quickly as possible in order to limit oxidation of the powder.
- the powder mixture is kneaded. After cooling, if not already present in the powder mixture, the binder metal components are added and the powder mixture is ground in water. The resulting wet sludge is then e.g.
- FIG. 1 shows the basic illustration of a spray tower for the particularly advantageous production of hard metal granules from a wet sludge produced according to the invention.
- the spray tower -1- consists of a cylindrical section -2- and an adjoining, tapered section -3-.
- the spray tower -1- works in countercurrent on the fountain principle, ie the gas stream for drying the wet sludge is fed in at the upper end -11- of the cylindrical section -2- and blown downwards, while the wet sludge to be atomized is blown at the lower end of the cylindrical section Section -2- is sprayed over a spray lance -4- with a nozzle opening -5- according to the principle of a fountain upwards against the direction of the gas flow -6-.
- a waxed hard metal granulate with an average grain size of 125 ⁇ m, consisting of, apart from the 2% wax content (paraffin), 6% by weight cobalt, 0.4% by weight vanadium carbide, the rest tungsten carbide, 36 kg cobalt powder with a medium Grain size of approximately 0.8 ⁇ m FSSS and an oxygen content of 0.56% by weight, 2.4 kg of vanadium carbide powder with an average grain size of approximately 1.2 ⁇ m FSSS and an oxygen content of 0.25% by weight and 561.6 kg
- 2000 kg of hard metal balls with a diameter of 9 mm were used as grinding media, the attritor speed was 78 rpm, the
- the spray tower was designed to work in counterflow according to the fountain principle. Air was used as the gas for drying the wet sludge, which air was fed to the spray tower at 4000 m 3 / h.
- FIG. 3 shows an image of the hard metal granulate produced according to the example with an average grain size of 125 ⁇ m in a 50-fold magnification.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Glanulating (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Treatment Of Sludge (AREA)
- Crushing And Grinding (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Collating Specific Patterns (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT02703388T ATE295903T1 (de) | 2001-03-29 | 2002-03-08 | Verfahren zur herstellung eines hartmetallansatzes |
DK02703388T DK1373585T4 (da) | 2001-03-29 | 2002-03-08 | Fremgangsmåde til fremstilling af en portion af hårdt metal |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT2302001 | 2001-03-29 | ||
AT0023001U AT4928U1 (de) | 2001-03-29 | 2001-03-29 | Verfahren zur herstellung eines hartmetallansatzes |
PCT/AT2002/000075 WO2002079531A2 (de) | 2001-03-29 | 2002-03-08 | Verfahren zur herstellung eines hartmetallansatzes |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1373585A2 true EP1373585A2 (de) | 2004-01-02 |
EP1373585B1 EP1373585B1 (de) | 2005-05-18 |
EP1373585B2 EP1373585B2 (de) | 2009-07-29 |
Family
ID=3484997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02703388A Expired - Lifetime EP1373585B2 (de) | 2001-03-29 | 2002-03-08 | Verfahren zur herstellung eines hartmetallansatzes |
Country Status (17)
Country | Link |
---|---|
US (1) | US6733562B2 (de) |
EP (1) | EP1373585B2 (de) |
JP (1) | JP4044441B2 (de) |
KR (1) | KR100896827B1 (de) |
CN (1) | CN1206381C (de) |
AT (2) | AT4928U1 (de) |
BG (1) | BG65809B1 (de) |
BR (1) | BR0204680B1 (de) |
CA (1) | CA2409394C (de) |
DE (1) | DE50203144D1 (de) |
DK (1) | DK1373585T4 (de) |
ES (1) | ES2240693T5 (de) |
IL (1) | IL152969A (de) |
MX (1) | MXPA02011766A (de) |
PL (1) | PL201615B1 (de) |
TW (1) | TW565482B (de) |
WO (1) | WO2002079531A2 (de) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT6486U1 (de) * | 2003-02-10 | 2003-11-25 | Plansee Tizit Ag | Verfahren zur herstellung eines hartmetallansatzes |
DE102004053221B3 (de) * | 2004-11-04 | 2006-02-02 | Zschimmer & Schwarz Gmbh & Co. Kg Chemische Fabriken | Flüssigkeit und deren Verwendung zur Aufbereitung von Hartmetallen |
DE102004053222B3 (de) * | 2004-11-04 | 2006-01-26 | Zschimmer & Schwarz Gmbh & Co. Kg Chemische Fabriken | Flüssigkeit, deren Verwendung zur Aufbereitung von Pulvermischungen auf Eisen- oder Edelstahlbasis sowie ein Verfahren zur Aufbereitung von Pulvermischungen auf Eisen- oder Edelstahlbasis |
US7470307B2 (en) * | 2005-03-29 | 2008-12-30 | Climax Engineered Materials, Llc | Metal powders and methods for producing the same |
AT9143U1 (de) * | 2006-05-02 | 2007-05-15 | Ceratizit Austria Gmbh | Verfahren zur herstellung eines hartmetallproduktes |
DE102006043581B4 (de) * | 2006-09-12 | 2011-11-03 | Artur Wiegand | Verfahren und Vorrichtung zur Herstellung einer Hartmetall- oder Cermetmischung |
DE102007004937B4 (de) * | 2007-01-26 | 2008-10-23 | H.C. Starck Gmbh | Metallformulierungen |
US8163066B2 (en) | 2007-05-21 | 2012-04-24 | Peter Eisenberger | Carbon dioxide capture/regeneration structures and techniques |
US8500857B2 (en) | 2007-05-21 | 2013-08-06 | Peter Eisenberger | Carbon dioxide capture/regeneration method using gas mixture |
US20140130670A1 (en) | 2012-11-14 | 2014-05-15 | Peter Eisenberger | System and method for removing carbon dioxide from an atmosphere and global thermostat using the same |
US20080289495A1 (en) | 2007-05-21 | 2008-11-27 | Peter Eisenberger | System and Method for Removing Carbon Dioxide From an Atmosphere and Global Thermostat Using the Same |
US8197885B2 (en) * | 2008-01-11 | 2012-06-12 | Climax Engineered Materials, Llc | Methods for producing sodium/molybdenum power compacts |
SE533922C2 (sv) * | 2008-12-18 | 2011-03-01 | Seco Tools Ab | Sätt att tillverka hårdmetallprodukter |
EP2246113A1 (de) * | 2009-04-29 | 2010-11-03 | Sandvik Intellectual Property AB | Mahlverfahren für Pulvermischungen mit Cermit oder zementiertem Karbid |
US9028592B2 (en) | 2010-04-30 | 2015-05-12 | Peter Eisenberger | System and method for carbon dioxide capture and sequestration from relatively high concentration CO2 mixtures |
US8500855B2 (en) | 2010-04-30 | 2013-08-06 | Peter Eisenberger | System and method for carbon dioxide capture and sequestration |
US9332776B1 (en) * | 2010-09-27 | 2016-05-10 | ZoomEssence, Inc. | Methods and apparatus for low heat spray drying |
CN102717061A (zh) * | 2011-03-29 | 2012-10-10 | 厦门钨业股份有限公司 | 水基硬质合金混合料用石蜡基复配成型剂 |
CN102974831B (zh) * | 2011-09-05 | 2015-12-02 | 龙岩市华锐硬质合金工具有限公司 | 废旧钨钢刀具的回收再生利用方法 |
US20130095999A1 (en) | 2011-10-13 | 2013-04-18 | Georgia Tech Research Corporation | Methods of making the supported polyamines and structures including supported polyamines |
CN102649156A (zh) * | 2012-03-09 | 2012-08-29 | 成都邦普合金材料有限公司 | 硬质合金混合料石蜡成型剂的一种加入方法 |
US11059024B2 (en) | 2012-10-25 | 2021-07-13 | Georgia Tech Research Corporation | Supported poly(allyl)amine and derivatives for CO2 capture from flue gas or ultra-dilute gas streams such as ambient air or admixtures thereof |
US9475945B2 (en) | 2013-10-03 | 2016-10-25 | Kennametal Inc. | Aqueous slurry for making a powder of hard material |
IN2013CH04500A (de) | 2013-10-04 | 2015-04-10 | Kennametal India Ltd | |
CN106163636B (zh) | 2013-12-31 | 2020-01-10 | 彼得·艾森伯格尔 | 用于从大气中除去co2的旋转多整料床移动系统 |
CA2977625A1 (en) | 2014-12-29 | 2016-07-07 | Bioventus, Llc | Systems and methods for improved delivery of osteoinductive molecules in bone repair |
CN104785771B (zh) * | 2015-03-17 | 2019-04-19 | 厦门钨业股份有限公司 | 适用于硬质合金水基混合料的超细乳化蜡成型剂及制备方法 |
CN106319317A (zh) * | 2015-06-18 | 2017-01-11 | 河北小蜜蜂工具集团有限公司 | 一种高强石油钻头用的胎体配方及其制备方法 |
CN105642904B (zh) * | 2016-01-05 | 2019-07-09 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | 一种纳米金属复合涂层材料的制备方法和装置 |
CN106269158A (zh) * | 2016-08-25 | 2017-01-04 | 贺州市创伟冶金耐材有限公司 | 一种炼钢保护渣的生产方法 |
CN106544538B (zh) * | 2016-12-23 | 2018-09-07 | 苏州新锐合金工具股份有限公司 | 一种超细金属陶瓷制备过程中粉料氧含量的控制方法 |
FI128311B (en) | 2017-02-17 | 2020-03-13 | Teknologian Tutkimuskeskus Vtt Oy | A process for making a carbide powder and a carbide powder |
US9993787B1 (en) | 2017-08-04 | 2018-06-12 | ZoomEssence, Inc. | Ultrahigh efficiency spray drying apparatus and process |
WO2019028446A1 (en) | 2017-08-04 | 2019-02-07 | ZoomEssence, Inc. | APPARATUS AND METHOD FOR HIGH-PERFORMANCE SPRAY DRYING |
US10155234B1 (en) | 2017-08-04 | 2018-12-18 | ZoomEssence, Inc. | Ultrahigh efficiency spray drying apparatus and process |
US9861945B1 (en) | 2017-08-04 | 2018-01-09 | ZoomEssence, Inc. | Ultrahigh efficiency spray drying apparatus and process |
US10486173B2 (en) | 2017-08-04 | 2019-11-26 | ZoomEssence, Inc. | Ultrahigh efficiency spray drying apparatus and process |
US10569244B2 (en) | 2018-04-28 | 2020-02-25 | ZoomEssence, Inc. | Low temperature spray drying of carrier-free compositions |
CN109365823B (zh) * | 2018-10-25 | 2021-02-02 | 上海材料研究所 | 一种整体硬质合金滚刀及其制造工艺 |
CN112692294B (zh) * | 2020-12-22 | 2022-12-09 | 厦门钨业股份有限公司 | 一种高比重钨合金粉末及其制备方法 |
CN117772382A (zh) * | 2024-02-28 | 2024-03-29 | 中科雅丽科技有限公司 | 一种玻璃微珠研磨粉体细度精控调整方法 |
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DE281359C (de) | ||||
US4070184A (en) * | 1976-09-24 | 1978-01-24 | Gte Sylvania Incorporated | Process for producing refractory carbide grade powder |
US4456484A (en) * | 1982-04-05 | 1984-06-26 | Gte Products Corporation | Process for producing refractory powder |
US4397889A (en) | 1982-04-05 | 1983-08-09 | Gte Products Corporation | Process for producing refractory powder |
US4478888A (en) * | 1982-04-05 | 1984-10-23 | Gte Products Corporation | Process for producing refractory powder |
US4902471A (en) | 1989-09-11 | 1990-02-20 | Gte Products Corporation | Method for producing metal carbide grade powders |
US5045277A (en) | 1990-09-10 | 1991-09-03 | Gte Products Corporation | Method of producing metal carbide grade powders and controlling the shrinkage of articles made therefrom |
US5007957A (en) | 1990-09-10 | 1991-04-16 | Gte Products Corporation | Method for producing tungsten carbide grade powders suitable for isostatic compaction |
US5922978A (en) * | 1998-03-27 | 1999-07-13 | Omg Americas, Inc. | Method of preparing pressable powders of a transition metal carbide, iron group metal or mixtures thereof |
-
2001
- 2001-03-29 AT AT0023001U patent/AT4928U1/de not_active IP Right Cessation
-
2002
- 2002-02-22 TW TW091103118A patent/TW565482B/zh not_active IP Right Cessation
- 2002-03-08 CA CA002409394A patent/CA2409394C/en not_active Expired - Fee Related
- 2002-03-08 ES ES02703388T patent/ES2240693T5/es not_active Expired - Lifetime
- 2002-03-08 IL IL152969A patent/IL152969A/en active IP Right Grant
- 2002-03-08 DK DK02703388T patent/DK1373585T4/da active
- 2002-03-08 MX MXPA02011766A patent/MXPA02011766A/es active IP Right Grant
- 2002-03-08 EP EP02703388A patent/EP1373585B2/de not_active Expired - Lifetime
- 2002-03-08 WO PCT/AT2002/000075 patent/WO2002079531A2/de active IP Right Grant
- 2002-03-08 JP JP2002577935A patent/JP4044441B2/ja not_active Expired - Lifetime
- 2002-03-08 DE DE50203144T patent/DE50203144D1/de not_active Expired - Lifetime
- 2002-03-08 KR KR1020027014246A patent/KR100896827B1/ko active IP Right Grant
- 2002-03-08 PL PL359344A patent/PL201615B1/pl unknown
- 2002-03-08 BR BRPI0204680-6A patent/BR0204680B1/pt not_active IP Right Cessation
- 2002-03-08 AT AT02703388T patent/ATE295903T1/de active
- 2002-03-08 CN CNB028010051A patent/CN1206381C/zh not_active Expired - Fee Related
- 2002-10-28 BG BG107223A patent/BG65809B1/bg unknown
- 2002-11-22 US US10/302,216 patent/US6733562B2/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO02079531A3 * |
Also Published As
Publication number | Publication date |
---|---|
MXPA02011766A (es) | 2003-04-10 |
AT4928U1 (de) | 2002-01-25 |
BG65809B1 (bg) | 2009-12-31 |
ES2240693T5 (es) | 2009-10-30 |
WO2002079531A3 (de) | 2002-11-28 |
IL152969A0 (en) | 2003-06-24 |
US20030075012A1 (en) | 2003-04-24 |
CA2409394C (en) | 2007-06-19 |
KR100896827B1 (ko) | 2009-05-12 |
US6733562B2 (en) | 2004-05-11 |
EP1373585B2 (de) | 2009-07-29 |
BR0204680A (pt) | 2003-06-10 |
PL359344A1 (en) | 2004-08-23 |
DE50203144D1 (de) | 2005-06-23 |
DK1373585T4 (da) | 2009-11-09 |
TW565482B (en) | 2003-12-11 |
ES2240693T3 (es) | 2005-10-16 |
JP4044441B2 (ja) | 2008-02-06 |
CN1206381C (zh) | 2005-06-15 |
IL152969A (en) | 2006-06-11 |
DK1373585T3 (da) | 2005-09-05 |
BR0204680B1 (pt) | 2010-10-05 |
CA2409394A1 (en) | 2002-11-19 |
KR20030007547A (ko) | 2003-01-23 |
ATE295903T1 (de) | 2005-06-15 |
JP2004518824A (ja) | 2004-06-24 |
WO2002079531A2 (de) | 2002-10-10 |
PL201615B1 (pl) | 2009-04-30 |
BG107223A (en) | 2003-07-31 |
EP1373585B1 (de) | 2005-05-18 |
CN1460126A (zh) | 2003-12-03 |
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