EP1256403A2 - Metallgussformkörper mit eingegossenem Hartstoffkörper - Google Patents
Metallgussformkörper mit eingegossenem Hartstoffkörper Download PDFInfo
- Publication number
- EP1256403A2 EP1256403A2 EP02009288A EP02009288A EP1256403A2 EP 1256403 A2 EP1256403 A2 EP 1256403A2 EP 02009288 A EP02009288 A EP 02009288A EP 02009288 A EP02009288 A EP 02009288A EP 1256403 A2 EP1256403 A2 EP 1256403A2
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- EP
- European Patent Office
- Prior art keywords
- casting
- hard material
- metal casting
- matrix
- cast
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C15/003—Shape or construction of discs or rings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/11—Details
- B02C7/12—Shape or construction of discs
-
- 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 metal casting with at least one cast-in Hard material body, a use of the metal casting and a method for its manufacture.
- Machining body needed for the processing of materials and workpieces.
- processing bodies i.e. Action body needed, at least on their processing surface or more Machining surfaces are wear-resistant.
- a metal casting has at least one active surface for one Machining or processing of a material based on a composite is formed. If only processing is mentioned below, the Processing must always be included.
- the composite material has a casting matrix a metallic casting material at least one porous hard material body in which the cast material has penetrated. The at least one hard material body is, so to speak impregnated with the casting material.
- the hard material body has a higher one Wear resistance or wear resistance than the cast material, so that by the composite has an active surface with an increased compared to the pure casting material Wear resistance is obtained.
- the composite material preferably has one closed, non-porous structure.
- a wear-resistant iron-based alloy forms, particularly prefers wear-resistant cast iron, the matrix.
- Another preferred matrix material is for example GX 300 NiMo3Mg or ADI (tempered ductile iron), their structure consist essentially of bainitic or accicular basic mass. Structure with bainitic or accicular base mass are examples of preferred structures.
- any of wear castings for the Material processing known casting material form the matrix material.
- the casting material should however have a Vickers hardness of at least 400 HV.
- the metal casting is preferred for the crushing of materials accordingly uses and forms a grinding body, crushing body or Crushing bodies for crushing granular feed or larger ones Task goods.
- Such wear castings are preferably used in Food industry, the coating industry, the cement industry and the Brickmaking industry, to name just a few.
- Metal moldings as grinding media for coal and lime grinding, the Clinker grinding and, for example, the production of raw cement used become.
- the invention also relates to one Hard metal moldings in general, the matrix of which Iron-based alloy is formed.
- the matrix material is also particularly preferred in in this case a cast iron material. So the composite material, which only consists of the Cast matrix and the embedded hard material consists or at least essentially is formed by these two materials, for example also advantageously as Friction bodies are used in brakes, for example in wheel vehicle brakes.
- the at least one hard material body is preferably a ceramic body that consists of a Ceramic material from the group of carbides, oxides and nitrides or a combination consists of several of these materials or one of these materials or one Combination of several of these materials as an essential ingredient.
- carbides are particularly preferred, wherein it is one or more carbides of a carbide former or else carbides several carbide formers from the group consisting of Si, Cr, W, Mo, V, Nb, Ti, Zr, Ta and Hf can act and the carbide content of the ceramic body at least 20 wt .-% and is at most 70% by weight.
- the carbide content is preferably at least 30 % By weight and at most 60% by weight.
- the carbide portion is preferably formed by SiC alone or in combination with other carbides.
- the hardness of the hard material body is preferably greater than that of the matrix material. While the Vickers hardness of the matrix material is no greater than about 800 HV the hard body has a Vickers hardness of at least 1000 HV and more preferably of at least 2000 HV. Furthermore, it preferably also has a larger one Compressive strength as the matrix material. Ceramic hard material bodies of the type mentioned possess these properties and often have a Vickers hardness of up to approximately 3000 HV on.
- the hard material body is open-pore, i.e. it has an open porosity.
- the pore density of the hard material body should be at least 5 ppi (pores per square inch), but at most 100 ppi. Is particularly preferred the pore density is at least 10 ppi and at most 50 ppi.
- the pores have one Diameter of preferably at least 20 microns and preferably at most 1000 microns on. The diameter of the pores is particularly preferably at least 50 ⁇ m and at most 500 ⁇ m.
- a ceramic hard material body preferably has a foam structure.
- Such a Ceramic foam body can consist of a ceramic material and a structure have, as of casting filters for molten metals, in particular of casting filters for Cast iron materials are known.
- a pouring filter even provides one particularly preferred hard material body.
- the hard material body therefore does not have to Made especially for the invention, but can advantageously, so to speak, of the Rod can be obtained.
- a preferred structure is spongy.
- Table 1 below shows a preferred ceramic foam material with preferred value ranges of material characteristics, with particularly preferred value ranges being entered in brackets:
- the oxidic portion given in the table above is preferably composed of ceramic oxides and dioxides.
- the proportion of oxide is preferably between 10 and 40% by weight, particularly preferably between 10 and 30% by weight, and the proportion of dioxide is preferably 2 to 20% by weight.
- the table shows the oxidic content as the sum of all oxide content.
- Aluminum oxide Al 2 O 3 is particularly suitable as oxide and silicon dioxide SiO 2 is particularly suitable as dioxide.
- the proportion of the oxide is preferably between 10 and 40% by weight and the proportion of the dioxide is preferably between 2 and 20% by weight.
- the shape of the at least one hard material body can affect the active surface of the metal casting according to the invention adapted, so to speak, tailor-made.
- the composite material is provided with a plurality of Hard material bodies formed on the active surface of the metal casting next to each other, preferably arranged as close to each other as possible and in the Cast matrix are embedded.
- Each one of the plurality of hard material bodies has preferably the following dimensions: The greatest length is at least 10 mm and at most 200 mm, the largest width is at least 10 mm and maximum 100 mm and the greatest thickness is at least 5 mm and at most 50 mm.
- the Hard material bodies can take the form of simple cuboids, prisms and / or have cylindrical bodies.
- an inventive Metal moldings only locally one or more embedded hard material bodies can have, in particular in an area in which one compared to other areas increased wear is to be feared.
- the Wear resistance of the entire active surface of the metal casting by Composite of or the hard material body can be improved with the casting matrix.
- a method according to the invention for producing a metal casting with at least one wear-resistant surface comprises at least the following two Steps: There is at least one porous hard material body in a mold on one Mold surface attached, for example by means of one or more mold nails.
- the Mold surface on which the at least one hard material body is attached preferably the shape of the wear-resistant surface of the metal casting. If the at least one hard material body only forms a region of this surface, the surface in question is particularly wear-resistant over a larger area should be, several such hard body are close to each other on the Mold surface arranged and fastened.
- the mold After attaching the at least one Hard body or the plurality of hard material body, the mold with a Poured out a melt of a wear-resistant iron base material in the solidified state, so that the casting material embeds the hard material body or bodies and in the or Hard body penetrates.
- the iron base material is preferably a cast iron material of the type already mentioned as preferred.
- the at least one hard material body is a Ceramic body made of a material known from casting filters for iron-based alloys and with a structure known from these pouring filters. It is preferably around a ceramic foam body.
- Metal moldings made statements about the hard body and the the cast material also applies to the process, especially the process particularly preferably the production of a wear cast body according to the invention for concerns the material processing.
- the hard body maintains its structure during the casting process, i.e. he is with the Casting temperature structurally stable.
- the hard material body up to at least 1400 ° C, preferably up to at least 1500 ° C, structurally resistant.
- Ceramic materials have a good one Resistance to temperature changes, which on the one hand has good resistance to Outbreaks during temperature changes during the manufacturing process and on the other also good resistance to changing temperatures in operational use the metal casting is guaranteed. Ceramic hard material bodies are over it well wettable with the usual casting materials, so that the production of Metal moldings with a closed, non-porous structure of the Composite material is possible.
- the active surface or working surface of the grinding element is primarily subjected to pressure is and the compressive strength of preferred hard material body higher than that of Is matrix material, the matrix material is opposed by the hard material body or bodies Abrasion and other destruction protected, so that the compressive strength of the grinding media or a comparable stressed metal casting on the active surface or more generally on the wear-resistant surface is significantly increased overall.
- the inventive method formed composite as an advantage that the mechanical properties of the Metal moldings are not disturbed by the usual skewered carbides due to the smooth-walled porous structure of the hard material body, no interior Notch effect in the solidified casting material, i.e. in the basic material structure.
- a metal casting 1 is shown in a cross section Embodiment a grinding plate segment for a grinder for the grinding of granular substances, for example coal, lime, clinker or cement raw meal.
- the metal casting 1 can be used as a cylindrical ring segment, such as that in FIG Figure 3 shown cast metal specimen, be formed. Also a cast as a full one Cylinder ring or any other grinding element shape is conceivable.
- the casting takes place static under gravity in a mold with an overhead feeder 5.
- the metal casting 1 has an end face that has a flat working or Active surface 2 forms a composite material in one over the entire active surface uniformly thick layer 3 of about 20 mm layer thickness.
- the composite material this layer consists of a plurality of closely arranged Hard material bodies 7 (Fig. 2), which are penetrated by the solidified casting material.
- the Casting material forms a casting matrix 4, in which the hard material bodies 7 are embedded and form the active surface 2 in combination with the casting material.
- the hard material body 7 have an open Porosity.
- the hard material body 7 consist of a high temperature resistant Foam ceramic, which during the casting process, i.e. at the pouring temperature of the Metal melt maintains its open-pore structure.
- the hard material bodies 7 are made of a foam ceramic formed as from casting filters for iron base melts, preferably cast iron, are known.
- the pore density, measured in ppi (pores per square inch) Hard material body 7 is chosen to match the casting material.
- As a filter for the Foam ceramic that can be used in the melt already has one for the most perfect possible penetration on favorable porosity, so that the adaptation basically no problems. Because of pouring filters because of the Filter applications higher risk of clogging also higher demands on the Permeability and thus penetrability are required after full penetrability when using pouring filter materials easily Fulfills. Since for the production of the metal casting 1, the hard material body 7 only one flowed through only once, i.e.
- the casting matrix 4 is formed, for example, from the material GX 300 CrNiSi 952.
- Table 2 lists further particularly preferred materials for the casting matrix 4 of the exemplary embodiment and any other metal casting according to the invention.
- Casting matrix materials abbreviations Material number / trade name DIN 1695 structure GX 300 NiMo 3 Mg 0.9610 Bainite and / or martensite, spheroidal graphite, structures generally free of carbides GX 260 NiCr 4 2 0.9620 Ni-Hard 2 Cementite in predominantly martensitic matrix GX 330 NiCr 4 2 0.9625 Ni-Hard 1 GX 300 CrNiSi 9 5 2 0.9630 Ni-Hard 4 Mainly chromium carbides in a martensitic matrix, possibly with residual austenite.
- GS 300 CrMo 15 3 0.9635 alloy 15-3 Mainly chromium carbides in a basic composition which, depending on the composition and heat treatment, mainly consists of pearlite, martensite or austenite.
- Figure 2 shows a ring segment-shaped mold 6 from above, on the bottom surface side by side hard material body 7 are placed close together.
- the hard material body 7 are each by cuboids with a length of 75 mm, a width of 50 mm and one Formed thickness of 20 mm.
- the hard material body 7 are in this arrangement Form nails attached to the bottom surface of the mold 6.
- For the cast of the Test specimen were used exactly cuboid hard body 7 as they are immediately available as ceramic foam cast filter bodies.
- the shape of the active surface 2 of the Metal casting 1 more precisely adapted hard material body 7 can be used.
- the composite material layer 3 can also have a single, homogeneous one Hard laminate are formed.
- FIG. 3 shows the cast test specimen after removal from the mold 6.
- the Test specimen has been ground in the area of a ring segment surface 8.
- the of The surface of the test specimen formed from the composite material was extremely difficult grind. The removal was mainly in the grinding wheel and not on Sample castings. Compared to a conventional manufacturing method, i.e. one Metal moldings only with the casting matrix 4 and without the composite layer 3, could see a significant increase in the wear resistance of the cast surface can be observed as this for a metal casting 1 for material processing is advantageous.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
Description
| Schaumkeramischer Hartstoffkörper | |
| Porendichte | 5 - 100 ppi (10 - 50 ppi) |
| Porendurchmesser | 20 - 1000 µm (50 - 500 µm) |
| Oberfläche/Volumen | 0,01 - 10 m2/m3 (0,05 - 1,5 m2/m3) |
| Vickershärte | 1000 - 3000 HV (> 2000 HV) |
| Carbidanteil | 20 - 70 Gew.-% (30 - 60 Gew.-%) |
| oxidischer Anteil (Oxide und Oxidverbindungen) | 10 - 60 Gew.-% (10 - 50 Gew.-%) |
| Bindemittel (anorganisch, feuerfest) | 10 - 30 Gew.-% (10 - 30 Gew.-%) |
- Figur 1
- einen Metallgussformkörper mit eingebetteten Hartstoffkörpern in einem Querschnitt,
- Figur 2
- eine Gießform mit darin ausgelegten Hartstoffkörpern für eine Herstellung eines Metallguss-Probekörpers und
- Figur 3
- den gegossenen Metallguss-Probekörper.
| Gussmatrix-Werkstoffe | ||
| Kurzzeichen | Werkstoffnummer/Handelsname DIN 1695 | Gefüge |
| G-X 300 NiMo 3 Mg | 0.9610 | Bainit und/oder Martensit, Kugelgraphit, Gefüge im allgemeinen frei von Carbiden |
| G-X 260 NiCr 4 2 | 0.9620 Ni-Hard 2 | Zementit in überwiegend martensitischer Grundmasse |
| G-X 330 NiCr 4 2 | 0.9625 Ni-Hard 1 | |
| G-X 300 CrNiSi 9 5 2 | 0.9630 Ni-Hard 4 | Vorwiegend Chrom-Carbide in martensitischer Grundmasse gegebenenfalls mit Restaustenit. |
| G-S 300 CrMo 15 3 | 0.9635 Legierung 15-3 | Vorwiegend Chrom-Carbide in einer Grundmasse, die je nach Zu- sammensetzung und Wärmebe- handlung überwiegend aus Perlit, Martensit oder Austenit besteht. |
| G-X 300 CrMoNi 15 2 1 | 0.9640 -"- 15-2-1 | |
| G-X 260 CrMoNi 20 2 1 | 0.9645 -"- 20-2-1 | |
| G-X 260 Cr 27 | 0.9650 | |
| G-X 300 CrMo 27 1 | 0.9655 |
Claims (15)
- Metallgussformkörper mit wenigstens einer von einem Verbundwerkstoff gebildeten Wirkfläche (2) für eine Bearbeitung oder Verarbeitung eines Materials, wobei der Verbundwerkstoff (3) in einer Gussmatrix (4) aus einem metallischen Gussmaterial wenigstens einen porösen Hartstoffkörper (7) aufweist, in den das Gussmaterial eingedrungen ist.
- Metallgussformkörper nach Anspruch 1, dadurch gekennzeichnet, dass eine verschleißfeste Eisenbasislegierung, vorzugsweise ein verschleißfestes Gusseisen, die Matrix bildet.
- Metallgussformkörper, der an einer Formkörperoberfläche (2) eingebettet in einer Gussmatrix (4) einer Eisenbasislegierung, vorzugsweise eines Gusseisenmaterials, wenigstens einen Hartstoffkörper (7) aufweist, in den das Gussmaterial eingedrungen ist.
- Metallgussformkörper nach wenigstens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Hartstoffkörper (7) ein Keramikkörper mit einem Keramikmaterial aus der Gruppe der Carbide, Oxide und Nitride oder einer Kombination von mehreren dieser Materialien ist.
- Metallgussformkörper nach wenigstens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Hartstoffkörper (7) ein Keramikkörper ist und ein Carbid eines Carbidbildners aus der Gruppe bestehend aus Si, Cr, W, Mo, V, Nb, Ti, Zr, Ta und Hf enthält und der Carbidgehalt mindestens 20 Gew.-% und höchstens 70 Gew.-% beträgt.
- Metallgussformkörper nach wenigstens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der wenigstens eine Hartstoffkörper (7) offenporig ist und eine Porendichte von mindestens 5 ppi (Poren pro Quadratinch) und höchstens 100 ppi aufweist.
- Metallgussformkörper nach wenigstens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der wenigstens eine Hartstoffkörper (7) ein Keramikkörper mit einer Schaumstruktur ist.
- Metallgussformkörper nach wenigstens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass in der Gussmatrix (4) eine Mehrzahl von Hartstoffkörpern (7) nebeneinander angeordnet sind, um die Wirkfläche (2) zu bilden.
- Metallgussformkörper nach wenigstens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Gussmatrix (4) von einem chromlegierten und/oder molybdänlegierten Gusseisen gebildet wird.
- Metallgussformkörper nach wenigstens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Gussmatrix (4) ein Bainit- und/oder Martensitgefüge aufweist.
- Metallgussformkörper nach wenigstens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Metallgussformkörper (1) ein Bearbeitungskörper für eine Materialzerkleinerung, vorzugsweise ein Mahlkörper, ist.
- Verfahren zur Herstellung eines Metallgussformkörpers (1) mit wenigstens einer verschleißfesten Oberfläche (2), bei dema) wenigstens ein poröser Hartstoffkörper (7) in einer Gussform (6) an einer Gussformfläche befestigt,b) und die Gussform (6) mit einem verschleißfesten Eisenbasismaterial ausgegossen wird, so dass das Eisenbasismaterial in den wenigstens einen Hartstoffkörper (7) eindringt,c) wobei der wenigstens eine Hartstoffkörper (7) ein Keramikkörper aus einem von Gießfiltern für Gusseisenmaterial bekannten Material und mit einer von solchen Gießfiltern bekannten Struktur ist.
- Verfahren nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass ein Keramikkörper mit Schaumstruktur verwendet wird.
- Verfahren nach wenigstens einen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein keramischer Gießfilter für den wenigstens einen Hartstoffkörper (7) verwendet wird.
- Verfahren nach wenigstens einen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zur Bildung der wenigstens einen verschleißfesten Oberfläche eine Mehrzahl von Hartstoffkörpern (7) nebeneinander an der Gießformfläche angeordnet und befestigt wird.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10122886 | 2001-05-11 | ||
| DE10122886A DE10122886B4 (de) | 2001-05-11 | 2001-05-11 | Bearbeitungskörper mit eingegossenem Hartstoffkörper zum Zerkleinern eines Aufgabeguts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1256403A2 true EP1256403A2 (de) | 2002-11-13 |
| EP1256403A3 EP1256403A3 (de) | 2004-09-15 |
Family
ID=7684391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02009288A Withdrawn EP1256403A3 (de) | 2001-05-11 | 2002-04-29 | Metallgussformkörper mit eingegossenem Hartstoffkörper |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US20020195223A1 (de) |
| EP (1) | EP1256403A3 (de) |
| JP (1) | JP4275900B2 (de) |
| CA (1) | CA2383171C (de) |
| DE (1) | DE10164975B4 (de) |
| ZA (1) | ZA200203733B (de) |
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| EP2039429A1 (de) * | 2007-09-13 | 2009-03-25 | Claudius Peters Technologies GmbH | Kugelringmühle |
| CN102357652A (zh) * | 2011-08-30 | 2012-02-22 | 辽宁卓异新材料有限公司 | 多尺度陶瓷/金属复合耐磨材料及其制备方法 |
| CN103752764A (zh) * | 2013-12-13 | 2014-04-30 | 柳州市柳港激光科技有限公司 | 具有耐磨金属与陶瓷混合表层的复合铲 |
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| JP5782986B2 (ja) * | 2011-10-21 | 2015-09-24 | 三菱マテリアル株式会社 | 破砕装置及び破砕物製造方法 |
| JP5853580B2 (ja) * | 2011-10-21 | 2016-02-09 | 三菱マテリアル株式会社 | 破砕装置及び破砕物製造方法 |
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-
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-
2002
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- 2002-04-29 EP EP02009288A patent/EP1256403A3/de not_active Withdrawn
- 2002-05-10 ZA ZA200203733A patent/ZA200203733B/xx unknown
- 2002-05-10 US US10/143,105 patent/US20020195223A1/en not_active Abandoned
- 2002-05-13 JP JP2002137840A patent/JP4275900B2/ja not_active Expired - Fee Related
-
2004
- 2004-08-18 US US10/920,800 patent/US7198209B2/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006043162A3 (de) * | 2004-10-21 | 2006-06-22 | Welldone Weartec N V | Mahlelement, sowie mahlkörper mühlen, mischer, extruder und pressschnecken mit solchen mahlelementen |
| EP2039429A1 (de) * | 2007-09-13 | 2009-03-25 | Claudius Peters Technologies GmbH | Kugelringmühle |
| CN102357652A (zh) * | 2011-08-30 | 2012-02-22 | 辽宁卓异新材料有限公司 | 多尺度陶瓷/金属复合耐磨材料及其制备方法 |
| CN103752764A (zh) * | 2013-12-13 | 2014-04-30 | 柳州市柳港激光科技有限公司 | 具有耐磨金属与陶瓷混合表层的复合铲 |
| EP3225359A4 (de) * | 2015-12-03 | 2018-04-04 | Shandong Kaitai Shot Blasting Machinery Share Co., Ltd | Verfahren zur herstellung eines strahlströmungsrohrs einer kompositkugelstrahlmaschine |
| CN111069594A (zh) * | 2020-01-06 | 2020-04-28 | 南通高欣耐磨科技股份有限公司 | 一种低成本、可修复陶瓷合金复合衬板的制造方法 |
| CN111069594B (zh) * | 2020-01-06 | 2021-08-20 | 南通高欣耐磨科技股份有限公司 | 一种低成本、可修复陶瓷合金复合衬板的制造方法 |
| CN111604122A (zh) * | 2020-05-26 | 2020-09-01 | 佛山兴技源科技有限公司 | 磨机、辊压机中带有结构陶瓷瓦板的消耗部件及其制作方法 |
| CN111604122B (zh) * | 2020-05-26 | 2021-07-23 | 佛山兴技源科技有限公司 | 磨机、辊压机中带有结构陶瓷瓦板的消耗部件及其制作方法 |
| EP3995224A1 (de) * | 2020-11-09 | 2022-05-11 | Detlef Bauer | Verschleissplatte und verschleissplattenherstellungsverfahren |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003048049A (ja) | 2003-02-18 |
| CA2383171C (en) | 2007-06-26 |
| JP4275900B2 (ja) | 2009-06-10 |
| DE10164975B4 (de) | 2009-08-20 |
| ZA200203733B (en) | 2002-12-23 |
| CA2383171A1 (en) | 2002-11-11 |
| US20020195223A1 (en) | 2002-12-26 |
| EP1256403A3 (de) | 2004-09-15 |
| US7198209B2 (en) | 2007-04-03 |
| US20050016708A1 (en) | 2005-01-27 |
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