EP0841990B1 - Verschleissteile und verfahren zu deren herstellung - Google Patents
Verschleissteile und verfahren zu deren herstellung Download PDFInfo
- Publication number
- EP0841990B1 EP0841990B1 EP96924838A EP96924838A EP0841990B1 EP 0841990 B1 EP0841990 B1 EP 0841990B1 EP 96924838 A EP96924838 A EP 96924838A EP 96924838 A EP96924838 A EP 96924838A EP 0841990 B1 EP0841990 B1 EP 0841990B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- inlay
- metal
- casting
- wear
- ferrous material
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims description 7
- 238000004519 manufacturing process Methods 0.000 title description 6
- 239000000463 material Substances 0.000 claims abstract description 34
- 238000005266 casting Methods 0.000 claims abstract description 18
- 239000000919 ceramic Substances 0.000 claims abstract description 13
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000011148 porous material Substances 0.000 claims abstract description 10
- 239000002131 composite material Substances 0.000 claims abstract description 9
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 9
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 5
- 239000011707 mineral Substances 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 19
- 238000010276 construction Methods 0.000 claims description 4
- 239000010814 metallic waste Substances 0.000 claims description 3
- 239000011224 oxide ceramic Substances 0.000 claims 2
- 238000002360 preparation method Methods 0.000 abstract description 3
- 239000003923 scrap metal Substances 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 26
- 229910052742 iron Inorganic materials 0.000 description 13
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical compound [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2210/00—Codes relating to different types of disintegrating devices
- B02C2210/02—Features for generally used wear parts on beaters, knives, rollers, anvils, linings and the like
Definitions
- the invention relates to a wearing part for the Processing of minerals, construction waste and Metal waste, with one made of ferrous material manufactured impact body, which in the area of his Wear zone at least one made of metal oxide and / or Metal carbide ceramic manufactured and by composite casting with the impact body has an intimately connected inlay, and a process for their manufacture.
- Wear parts of this type are used, for example, in shredder plants, Hammer and impact mills for the preparation of Minerals, construction waste, scrap and the like Materials used.
- Wear parts of the type mentioned are from the German published application DE 36 18 195 A1 known.
- the known wear parts is a monolithic hard metal block molded inlay intended.
- This carbide inlay is in one Compound casting with the actual impact body of the Wear part connected.
- EP-A-0 476 496 is a wear part and a Process for producing such a wearing part known in which inserts made of a first material a mold can be used with a cast material are cast from a second material. Doing so a plurality of such inserts are inserted into the mold, ripping the inserts to a predetermined one Keep distance. That way between the ribs The space formed is then shaped into the cast casting material filled. No one should metallogical connection between the insert and the casting material take place.
- the inserts at the known wear part are as in the prior art according to DE 36 18 195 A1 as monolithic units educated. The rib-shaped projections represent sure that the casting material suits the particular Insert body so that it is firmer than the the prior art according to DE 36 18 195 A1 in the Casting material is held.
- the known wear parts are used as hammers Impact mechanisms, hammer mills and stone mills used. They show due to the arrangement of the hard metal inlay in the area of the strongest abrasive stress compared to wear parts that do not have corresponding inlay, significantly improved Durability on. When testing the known wear parts, however, are found to be common insufficient hold between the impact body and the inlay is guaranteed. This brings the danger with the fact that the inlay with very heavy use breaks out of the impact body in one piece. About that it also shows that in the area of the transition between the carbide inlay and the much softer one Iron material existing impact body it into a strong, step-like wear comes. Through this excessive erosion in the area of connection between the Inlay and the impact body becomes a danger premature detachment of the inlay from the impact body additionally reinforced.
- a method of manufacturing a wearing part of the type mentioned at the outset is from DE 33 15 125 C1 known.
- wear-resistant zones on the wearing part generated that in the casting Manufacture of wear parts in the respective zones Tungsten carbide particles are deposited, which by a Completely enclosed iron material when pouring become.
- the object of the invention is simple Average the service life of wear parts at the beginning mentioned type continue to improve, so that this next sufficient resilience against striking stress and sufficient Break resistance also increased resistance against abrasive wear.
- the invention is also based on the object Process for the preparation of the invention Specify wear parts.
- the type of solution according to the invention consists of the above mentioned task in that the inlay is perforated or is spongy and the intimate connection between the impact body and the inlay through into the Openings and pores of the inlay penetrated Iron material is formed.
- the metal oxide and / or metal carbide ceramic inlays according to the invention each have a roughly porous structure and are crossed by through openings. These openings can pass through the respective inlay be designed in the form of perforations.
- the size of the openings and pores is chosen so that the iron material of the impact body in the manufacture of the wearing parts according to the invention the respective inlays not only on all sides, as in the prior art encloses, but penetrates into them. This has to Consequence that the respective inlay safely in the impact body is held so that even with a heavy beating Stress a breakout of the inlay from the sun resulting composite is prevented.
- the matrix structure affects in the area of wear-bearing zones favorably on the wear resistance because of the closely spaced, repeating combined arrangement of tough iron material and hard ceramic material of Inlays with a surface with respect to each Optimal properties (hardness / toughness) is created.
- a secure hold of the inlay in the impact body can already be accomplished by the fact that Volume fraction penetrated by iron material is, at least 10% of the free, through the openings and Pore formed volume of the inlay.
- the metal oxide and / or metal carbide ceramic can be made within the wearing part be arranged so that it is entire Wear area includes. This configuration is particularly advantageous if the wearing part is a is mainly exposed to abrasive stress.
- the inlay in the wear part is only partially arranged there is where a predominant in later use abrasive wear occurs.
- This Arrangement is especially with rotating striking tools advantageous, on the one hand, areas with almost exclusively striking stress and on the other hand Areas with impact-abrasive or predominantly exhibit abrasive stress. In the former Areas can then be targeted with an iron material sufficient resistance to striking Wear and sufficient ductility and therefore good Fracture resistance is provided while the others Areas through the metal-ceramic composite casting a high Resistant to abrasive wear and at the same time one thanks to the metallic connection retain the remaining break resistance.
- the above mentioned task solved in that a perforated or sponge-like inlay in a mold introduced and with an iron-containing cast metal is poured and that the casting metal when pouring in penetrates the openings and pores of the inlay in such a way that the inlay completely after the casting process is penetrated by the cast metal.
- FIGS. 1a to 2b show wear parts 10 and 11 represented in the form of tools that one out of one Iron material produced impact body 3, the one high resistance to impact stress as well has good fracture resistance, and different trained inlays 20 and 21 made of metal oxide or Include metal carbide ceramic.
- the tools are each provided with a bore 4, into which a bolt or the like can be inserted, around the tool on a rotor, not shown Shredding plant, such as a shredder plant to fix.
- the manufacture of the tools is done by the inlays 20 and 21 placed in a suitable mold and with cast in a cast metal made of ferrous material be that they have an intimate connection with the cast metal form.
- the casting metal penetrates into the openings and Pores of the respective inlay until the inlay is completely penetrated by the molten metal.
- inlay 24 is between two guide strips 31 arranged. This version is preferred there use where essentially exclusively abrasive Wear occurs.
- Figure 4 shows a mirror-symmetrical Tool 3 rotating in a not shown Tool holder also not shown Crushing device can be positively mounted.
- Tool area 4 of the impact body 3 is essentially exposed to a striking stress and is therefore made of a relatively high iron material Resistance to impact wear and tear sufficient break resistance manufactured.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Powder Metallurgy (AREA)
Description
- Fig. 1a
- ein Werkzeug mit einem perforierten Inlay in einer Seitenansicht;
- Fig. 1b
- das Werkzeug nach Fig. 1a im Längsschnitt;
- Fig. 2a
- ein Werkzeug mit einem schwammartig ausgebildeten Inlay in einer Seitenansicht;
- Fig. 2b
- das Werkzeug nach Fig. 2a im Längsschnitt;
- Fig. 3
- ein Verschleißteil, bei dem der metallisch-keramische Verbund die gesamte Verschleißfläche umfaßt, in perspektivischer Ansicht;
- Fig. 4
- ein Werkzeug, das nur partiell mit einem metallisch-keramischen Verbund versehen ist, in perspektivischer Ansicht.
Claims (6)
- Verschleißteil, insbesondere für die Aufbereitung von Mineralstoffen, Baurestmassen und Metallabfällen, mit einem aus Eisenwerkstoff hergestellten Schlagkörper, welcher im Bereich seiner Verschleißzone mindestens ein aus Metalloxyd- und/oder Metallkarbid-Keramik gefertigtes und durch Verbundguß mit dem Schlagkörper (3) innig verbundenes Inlay (20) aufweist,
dadurch gekennzeichnet, daß das Inlay (20) perforiert oder schwammartig ausgebildet ist und die innige Verbindung zwischen dem Schlagkörper (3) und dem Inlay (20) durch in die Öffnungen und Poren des Inlays (20) eingedrungenen Eisenwerkstoff gebildet ist. - Verschleißteil nach Anspruch 1,
daduch gekennzeichnet, daß mindestens 10% des freien Volumens des Inlays (20) vom Eisenwerkstoff durchdrungen sind. - Verschleißteil nach Anspruch 1,
daduch gekennzeichnet, daß das freie Volumen des Inlays (20) im wesentlichen vollständig vom Eisenwerkstoff durchdrungen sind. - Verschleißteil nach einem der voranstehenden
Ansprüche, daduch gekennzeichnet, daß das Inlay (24) die gesamte Verschleißzone des Verschleißteiles (14) umfaßt. - Verschleißteil nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß das Inlay (25) im wesentlichen nur dort angeordnet ist, wo bei der späteren Verwendung eine überwiegend abrasive Verschleißbeanspruchung auftritt. - Verfahren zur Herstellung von Verschleißteilen, insbesondere für die Aufbereitung von Mineralstoffen, Baurestmassen und Metallabfällen, mit einem Schlagkörper (3) aus Eisenwerkstoffen und mit mindestens einem Inlay (20) aus Metalloxyd- und/oder Metallkarbid-Keramik, welches durch Verbundguß mit dem Schlagkörper (3) innig verbunden ist,
dadurch gekennzeichnet, daß ein perforiert oder schwammartig ausgebildetes Inlay in eine Gußform eingebracht und mit einem eisenhaltigen Gießmetall abgegossen wird und daß das Gießmetall beim Abgießen in die Öffnungen und Poren des Inlays (20) eindringt.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19528512A DE19528512C2 (de) | 1995-08-03 | 1995-08-03 | Verschleißteile und Verfahren zu deren Herstellung |
DE19528512 | 1995-08-03 | ||
PCT/EP1996/002879 WO1997005951A1 (de) | 1995-08-03 | 1996-07-02 | Verschleissteile und verfahren zu deren herstellung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0841990A1 EP0841990A1 (de) | 1998-05-20 |
EP0841990B1 true EP0841990B1 (de) | 1999-08-25 |
Family
ID=7768589
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96924838A Expired - Lifetime EP0841990B1 (de) | 1995-08-03 | 1996-07-02 | Verschleissteile und verfahren zu deren herstellung |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0841990B1 (de) |
AT (1) | ATE183669T1 (de) |
AU (1) | AU6516896A (de) |
DE (2) | DE19528512C2 (de) |
ES (1) | ES2137715T3 (de) |
WO (1) | WO1997005951A1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005018854A1 (en) * | 2003-08-20 | 2005-03-03 | F.A.R. - Fonderie Acciaierie Roiale - Spa | Method to produce an element subject to wear, and element subject to wear thus obtained |
USRE39998E1 (en) | 1996-10-01 | 2008-01-08 | Magotteaux International S.A. | Composite wear component |
WO2011124345A1 (de) | 2010-04-07 | 2011-10-13 | Vautid Gmbh | Verfahren zur herstellung eines zumindest bereichsweise einen erhöhten verschleissschutz aufweisenden gusswerkstücks |
US8147980B2 (en) | 2006-11-01 | 2012-04-03 | Aia Engineering, Ltd. | Wear-resistant metal matrix ceramic composite parts and methods of manufacturing thereof |
CN108745508A (zh) * | 2018-07-09 | 2018-11-06 | 徐州鑫华耐磨材料有限公司 | 陶瓷金属复合锤头及其制造方法 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1019297C1 (nl) | 2001-06-26 | 2003-01-07 | Johannes Petrus Andreas Zanden | Versnellingsblok met verstevigingsdeel. |
JP4222944B2 (ja) | 2001-12-04 | 2009-02-12 | マゴット アンテルナショナル エス.アー. | 強化された摩耗抵抗性を持つ鋳造部品 |
ES2268425T3 (es) * | 2002-06-26 | 2007-03-16 | Passage De Douro, Bvba | Miembro acelerador compuesto estructural. |
DE202007018782U1 (de) * | 2007-10-09 | 2009-04-16 | Hazemag & Epr Gmbh | Brechwerkzeug für eine Brechvorrichtung |
DE102010022492A1 (de) | 2010-06-02 | 2011-12-08 | Stahlwerke Bochum Gmbh | Werkzeugeinsatz für eine Vorrichtung zum Zerkleinern von stückigem Material und mit einem solchen Einsatz ausgestattete Vorrichtung |
DE102011113104B4 (de) * | 2011-09-09 | 2018-04-26 | Vautid Gmbh | Verschleißbauteil |
DE102011085520B4 (de) | 2011-10-31 | 2017-05-04 | General Electric Technology Gmbh | Hammer einer Schlägermühle |
CN102909113B (zh) * | 2012-10-17 | 2015-07-01 | 株洲湘军硬质合金有限公司 | 一种破碎机用复合板锤的及其制作方法 |
CN105107576B (zh) * | 2015-09-18 | 2017-10-20 | 中建材(合肥)水泥通用设备科技有限公司 | 一种反击式破碎机板锤及其制造方法 |
DE102017211948B3 (de) * | 2017-07-12 | 2018-03-22 | Thyssenkrupp Ag | Siebsegment mit einem Verschleißschutz sowie Verfahren zum Herstellen eines Siebsegments |
WO2019201437A1 (de) | 2018-04-18 | 2019-10-24 | Stahlwerke Bochum Gmbh | Schlagwerkzeug und damit ausgestatteter rotor für eine maschine zur zerkleinerung von metallgegenständen oder gesteinsmaterialien |
WO2019201436A1 (de) | 2018-04-18 | 2019-10-24 | Stahlwerke Bochum Gmbh | Schlagwerkzeug und damit ausgestatteter rotor für eine maschine zur zerkleinerung von metallgegenständen oder gesteinsmaterialien |
PL3852931T3 (pl) | 2018-09-20 | 2024-07-22 | Stahlwerke Bochum Gmbh | Kapa ochronna i wyposażony w niego wirnik maszyny do rozdrabniania przedmiotów metalowych albo materiałów skalnych |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2365747C3 (de) * | 1973-07-13 | 1978-06-08 | Verschleiss-Technik Dr.-Ing. Hans Wahl Gmbh & Co, 7302 Ostfildern | Gegossener Schlagkörper |
SU662261A1 (ru) * | 1977-02-02 | 1979-05-15 | Институт Проблем Литья Ан Украинской Сср | Способ поверхностного легировани отливок |
DE3315125C1 (de) * | 1983-04-27 | 1984-11-22 | Fried. Krupp Gmbh, 4300 Essen | Verschleissbestaendiger Verbundkoerper und Verfahren zu seiner Herstellung |
DE3618195A1 (de) * | 1986-05-30 | 1987-12-03 | Werner Schatz | Hammer zum zerkleinern von beton, gestein oder dergleichen |
JPH01113161A (ja) * | 1987-10-28 | 1989-05-01 | Sumitomo Metal Ind Ltd | 金属−セラミックス複合管体およびその製造方法 |
JPH01192459A (ja) * | 1988-01-26 | 1989-08-02 | Sumitomo Metal Ind Ltd | 金属−セラミックス複合管体およびその製造方法 |
DD293754A5 (de) * | 1990-04-25 | 1991-09-12 | Gisag-Ag Giesserei Und Maschinenbau Leipzig,De | Verfahren zur herstellung von partiell verschleissgeschuetzten gussstuecken |
BE1004573A4 (fr) * | 1990-09-20 | 1992-12-15 | Magotteaux Int | Procede de fabrication d'une piece de fonderie bimetallique et piece d'usure realisee par ce procede. |
-
1995
- 1995-08-03 DE DE19528512A patent/DE19528512C2/de not_active Expired - Fee Related
-
1996
- 1996-07-02 AT AT96924838T patent/ATE183669T1/de not_active IP Right Cessation
- 1996-07-02 AU AU65168/96A patent/AU6516896A/en not_active Abandoned
- 1996-07-02 ES ES96924838T patent/ES2137715T3/es not_active Expired - Lifetime
- 1996-07-02 DE DE59602897T patent/DE59602897D1/de not_active Expired - Lifetime
- 1996-07-02 WO PCT/EP1996/002879 patent/WO1997005951A1/de active IP Right Grant
- 1996-07-02 EP EP96924838A patent/EP0841990B1/de not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE39998E1 (en) | 1996-10-01 | 2008-01-08 | Magotteaux International S.A. | Composite wear component |
WO2005018854A1 (en) * | 2003-08-20 | 2005-03-03 | F.A.R. - Fonderie Acciaierie Roiale - Spa | Method to produce an element subject to wear, and element subject to wear thus obtained |
US8147980B2 (en) | 2006-11-01 | 2012-04-03 | Aia Engineering, Ltd. | Wear-resistant metal matrix ceramic composite parts and methods of manufacturing thereof |
WO2011124345A1 (de) | 2010-04-07 | 2011-10-13 | Vautid Gmbh | Verfahren zur herstellung eines zumindest bereichsweise einen erhöhten verschleissschutz aufweisenden gusswerkstücks |
DE102010013999A1 (de) | 2010-04-07 | 2011-10-13 | Vautid Gmbh | Verfahren zur Herstellung eines zumindest bereichsweise einen erhöhten Verschleißschutz aufweisenden Gusswerkstücks |
CN108745508A (zh) * | 2018-07-09 | 2018-11-06 | 徐州鑫华耐磨材料有限公司 | 陶瓷金属复合锤头及其制造方法 |
Also Published As
Publication number | Publication date |
---|---|
DE19528512A1 (de) | 1997-02-06 |
DE19528512C2 (de) | 2001-02-22 |
WO1997005951A1 (de) | 1997-02-20 |
EP0841990A1 (de) | 1998-05-20 |
ATE183669T1 (de) | 1999-09-15 |
AU6516896A (en) | 1997-03-05 |
ES2137715T3 (es) | 1999-12-16 |
DE59602897D1 (de) | 1999-09-30 |
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