SE530128C2 - Ultra fine cemented carbide for use in deep drawing and ironing operation, e.g. in ironing operation of aluminum or steel beverage can manufacturing, comprises tungsten carbide, vanadium and/or chromium and specified amount of cobalt - Google Patents
Ultra fine cemented carbide for use in deep drawing and ironing operation, e.g. in ironing operation of aluminum or steel beverage can manufacturing, comprises tungsten carbide, vanadium and/or chromium and specified amount of cobaltInfo
- Publication number
- SE530128C2 SE530128C2 SE0501201A SE0501201A SE530128C2 SE 530128 C2 SE530128 C2 SE 530128C2 SE 0501201 A SE0501201 A SE 0501201A SE 0501201 A SE0501201 A SE 0501201A SE 530128 C2 SE530128 C2 SE 530128C2
- Authority
- SE
- Sweden
- Prior art keywords
- cemented carbide
- ironing operation
- cobalt
- carbide
- ultra fine
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title claims description 12
- 239000010959 steel Substances 0.000 title claims description 12
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 title abstract description 5
- 239000010941 cobalt Substances 0.000 title abstract description 4
- 229910017052 cobalt Inorganic materials 0.000 title abstract description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 title abstract description 4
- 229910052804 chromium Inorganic materials 0.000 title abstract description 3
- 229910052720 vanadium Inorganic materials 0.000 title abstract description 3
- 238000010409 ironing Methods 0.000 title abstract 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title abstract 2
- 239000011651 chromium Substances 0.000 title abstract 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title 1
- 229910052782 aluminium Inorganic materials 0.000 title 1
- 235000013361 beverage Nutrition 0.000 title 1
- 239000003966 growth inhibitor Substances 0.000 claims abstract description 5
- 239000011230 binding agent Substances 0.000 claims description 20
- 235000013339 cereals Nutrition 0.000 description 19
- 238000005482 strain hardening Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 229910001369 Brass Inorganic materials 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 239000010951 brass Substances 0.000 description 3
- 238000010622 cold drawing Methods 0.000 description 3
- 150000001247 metal acetylides Chemical class 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 240000005979 Hordeum vulgare Species 0.000 description 1
- 235000007340 Hordeum vulgare Nutrition 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/02—Dies; Selection of material therefor; Cleaning thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
- B21C25/025—Selection of materials therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Ropes Or Cables (AREA)
- Metal Extraction Processes (AREA)
- Tires In General (AREA)
Abstract
Description
20 25 30 530 128 2 US 5,948,523 beskriver kallbearbetningsverktyg med en förbättrad hårt slitytzon. Detta har erhållits genom en efter- sintringsvärmebehandling i en bornitridinnehàllande miljö av en hàrdmetall av lämplig sammansättning. Effekten är mest uttalad när värmebehandlingen görs av en hárdmetall som tidigare har sintrats för att ästadkomma en hög kolhalt genom lämpliga val av kemisk sammansättning och processbetingelser. US 5,948,523 discloses cold working tools with an improved hard wear zone. This has been obtained by a post-sintering heat treatment in a boron nitride-containing environment of a cemented carbide of suitable composition. The effect is most pronounced when the heat treatment is done by a cemented carbide that has previously been sintered to achieve a high carbon content through appropriate choices of chemical composition and process conditions.
Under många är har det varit en fortgáende utveckling av hàrdmetall med finare och finare kornstorlek.For many years, there has been a continuous development of cemented carbide with finer and finer grain size.
Utvidgningen av hàrdmetallkornstorlekar in i det ultrafina storleksintervallet medför ett antal positiva förbättringar med avseende pà förslitningsprocessen.The expansion of cemented carbide grain sizes into the ultra-fine size range entails a number of positive improvements with respect to the wear process.
Nötningsförslitning (eller kornförlustvolym) kan reduceras i storleksordningen av lite mer än halva sintringskornstorleken (i frànvaro av andra förslitningsprocesser), eftersom kornvolymen är relaterad till diametern upphöjt till tre.Abrasion wear (or grain loss volume) can be reduced in the order of a little more than half the sintering grain size (in the absence of other wear processes), since the grain volume is related to the diameter raised to three.
Adhesiva brott är en annan farlig form av nötningsförslitning, där separationen av starkt svetsade gränsytor mellan verktyg och arbetsmaterial kan orsaka dragbrott inuti den underliggande karbiden.Adhesive fractures are another dangerous form of abrasion wear, where the separation of heavily welded interfaces between tools and work materials can cause tensile fractures within the underlying carbide.
Ultrafina hàrdmetaller kan motstå början av sådana brott bättre än grövre hàrdmetaller beroende pá deras större brotthàllfasthet.Ultrafine cemented carbides can withstand the onset of such fractures better than coarser cemented carbides due to their greater fracture toughness.
Erosion/korrosion av bindefasen sägs vara en del av förslitningsmekanismen vid tráddragning. Fastän bindefashalten ökats i ultrafina hárdmetaller medför den mindre WC-kornstorlek tunnare bindefasfilmer, vanligen kallad fri väg i bindefasen. På så sätt minskas motståndet mot selektiv erosion av den mjuka bindefasen av förslitningspartiklar. Det är rimligt att tro att den tunnare bindefasen även medför bättre oxidations-/korrosionsegenskaper eftersom egenskaperna hos bindefasen vid WC-gränsytan är olika de för ren metall.Erosion / corrosion of the binder phase is said to be part of the wear mechanism during wire drawing. Although the binder phase content has been increased in ultrafine cemented carbides, the smaller WC grain size results in thinner binder phase films, usually called free path in the binder phase. In this way, the resistance to selective erosion of the soft binder phase by wear particles is reduced. It is reasonable to believe that the thinner binder phase also results in better oxidation / corrosion properties since the properties of the binder phase at the WC interface are different from those for pure metal.
Enligt ovan verkar det som om huvudintresset inom utvecklingen av finare submikron hàrdmetall, kanske in i nanometerintervallet, är att öka hàrdheten, maximera nötningsslitstyrka och hàllfasthet medan 10 15 20 25 30 530 128 3 så långt som möjligt behålla alla andra attribut vid användbara nivåer.As above, it seems that the main interest in the development of finer submicron cemented carbide, perhaps into the nanometer range, is to increase the hardness, maximize abrasion wear resistance and durability while retaining all other attributes at useful levels as far as possible.
Den har nu överraskande visat sig att användning av ultrafinkornig hårdmetall med en bindefashalt >5 vikts-% k0bOlt kan leda till förbättrad prestanda i produktion av däckkord av stål genom kombination av förbättringar av hållfasthet, hårdhet och seghet hos ultrafin hårdmetall. Det är ett ändamål med föreliggande uppfinning att tillhandahålla ett verktyg för kallbearbetnings- och dragningoperationer speciellt dragningoperationer för däckkord med en ytterligare förbättrad kombination av hög slitstyrka, hög hållfasthet och bibehållen god seghet.It has now surprisingly been found that the use of ultra-fine-grained cemented carbide with a binder phase content> 5% by weight of carbon dioxide can lead to improved performance in the production of steel tire cords by combining improvements in strength, hardness and toughness of ultrafine cemented carbide. It is an object of the present invention to provide a tool for cold working and drawing operations, especially drawing operations for tire cords with a further improved combination of high wear resistance, high strength and maintained good toughness.
Fig. 1 visar en dragskiva vari A=hårdmetallkärna och B=stàlmantel.Fig. 1 shows a traction sheave in which A = cemented carbide core and B = steel casing.
Fig. 2 visar i 10000 gángers förstoring mikrostrukturen av en hårdmetall enligt föreliggande uppfinning etsad i Murakami.Fig. 2 shows at 10,000 times magnification the microstructure of a cemented carbide according to the present invention etched in Murakami.
Strukturen innehåller WC och Co-bindefas.The structure contains WC and Co-bonding phase.
Det har nu överraskande visat sig att ett verktyg för kallbearbetnings- och dragningoperationer speciellt dragningoperationer för däckkord med bättre prestanda än tidigare kända verktyg kan erhållas om verktyget är tillverkat av en hårdmetall med en bindefashalt >5% men <10 vikts-% omfattande WC med en ultrafin kornstorlek. En kombination av kornstorlek och bindefashalt som medför bättre prestanda är representerad av 6% Co med ultrafin WC med en hårdhet omkring 100-150HV högre än de flesta använda 3% Co bindefassorter med hårdhet av 1925HV.It has now surprisingly been found that a tool for cold working and drawing operations, especially drawing operations for tire cords with better performance than previously known tools, can be obtained if the tool is made of a cemented carbide with a binder phase content> 5% but <10% by weight of WC with a ultra-fine grain size. A combination of grain size and binder phase content that leads to better performance is represented by 6% Co with ultrafine WC with a hardness around 100-150HV higher than most used 3% Co binder phase varieties with a hardness of 1925HV.
Ett annat exempel på ultrafin hårdmetall framgångsrikt testad för dragning av däckkord karakteriseras av 9 vikts-% koboltbindefas och ultrafin volframkarbidkornstorlek så att hårdheten, HV30, är 1900. Samma hårdhetsnivå som konventionella 3% bindefassorter åstadkommes alltså genom den ultrafina kornstorleken.Another example of ultrafine cemented carbide successfully tested for tire cord drawing is characterized by 9% by weight of cobalt binder phase and ultrafine tungsten carbide grain size so that the hardness, HV30, is 1900. The same hardness level as conventional 3% binder phases is thus achieved by the ultrafine grain size.
Förbättrad slitstyrka åstadkommes genom minskning av kornstorleken och ökning av bindefashalten så att hårdheten som Hv30 10 15 20 25 30 530 128 4 bibehålls eller även ökas genom att ha en ultrafin kornstorlek av volframkarbiden.Improved wear resistance is achieved by reducing the grain size and increasing the binder phase content so that the hardness as Hv30 10 15 20 25 30 530 128 4 is maintained or even increased by having an ultrafine grain size of the tungsten carbide.
Uppfinningen avser användning som ett kallbearbetningsverktyg av hårdmetallsorter med ökad Co~bindefashalt och mycket minskad WC- kornstorlek, tillverkning av material med förbättrad slitstyrka för kallbearbetning och dragoperationer speciellt dragoperatiøner för däckkord.The invention relates to the use as a cold working tool of cemented carbide grades with increased Co binder phase content and greatly reduced WC grain size, manufacture of materials with improved wear resistance for cold working and pulling operations, especially pulling operations for tire cords.
Det är ett välkänt faktum att hårdhet hos hårdmetall är beroende av bindefashalten och kornstorleken av volframkarbid. I allmänhet när kornstorlek eller bindefashalten minskar ökar hàrdheten. För att kringgå denna välkända svårighet i definiering och mätning av “kornstorlek” i hårdmetall, och i detta fall att karakterisera “ultrafin hårdmetall”, används ett förhållande mellan hårdhet/bindefashalt för att karakterisera hårdmetallen enligt föreliggande uppfinning.It is a well known fact that the hardness of cemented carbide depends on the binder phase content and the grain size of tungsten carbide. In general, when grain size or binder phase content decreases, the hardness increases. To circumvent this well-known difficulty in defining and measuring "grain size" in cemented carbide, and in this case to characterize "ultrafine cemented carbide", a hardness / binder phase content is used to characterize the cemented carbide of the present invention.
Uppfinningen avser ett kallbearbetningsverktyg av hårdmetall med en bindefashalt mellan 5 och 10 vikts-% och en hårdhet med följande förhållande mellan HV3O och Co-halt i vikts-%: HV30>2l50-52*vikts-% Co företrädesvis HV30>2200-52*vikts-% Co företrädesvis HV30>2250-52*vikts-% Co och helst hàrdheten HV30>l900.The invention relates to a cold working tool of cemented carbide with a binder phase content between 5 and 10% by weight and a hardness with the following ratio between HV3O and Co content in% by weight: HV30> 2150-52 * weight% Co preferably HV30> 2200-52 * weight% Co preferably HV30> 2250-52 * weight% Co and preferably the hardness HV30> l900.
Hårdmetallen är tillverkad med konventionella pulvermetallurgiska tekniker såsom malning, pressning och sintring.The cemented carbide is made by conventional powder metallurgical techniques such as grinding, pressing and sintering.
Uppfinningen avser även användning av hårdmetallen enligt uppfinningen speciellt för dragningsoperationer av däckkord av stål men kan även användas för andra kallbearbetnings- och dragningsoperationer såsom djupdragning av burkar. 530 128 Exempel 1 Stàlkorddragskivor med en inre diameter mellan 1,3 och 0,2 mm och A. WC-3% Co, submikron kornstorlek, VC som korntillväxthämmare, 5 tidigare känd teknik.The invention also relates to the use of the cemented carbide according to the invention, especially for drawing operations of steel tire cords, but can also be used for other cold working and drawing operations such as deep drawing of cans. 530 128 Example 1 Steel cord pull plates with an inner diameter between 1.3 and 0.2 mm and A. WC-3% Co, submicron grain size, VC as grain growth inhibitor, 5 prior art.
B. Ultrafin hàrdmetall bestående av WC-9 vikts-% Co med V- och Cr-karbidkorntillväxthämmare, uppfinning.B. Ultrafine cemented carbide consisting of WC-9% by weight Co with V- and Cr-carbide grain growth inhibitors, invention.
Vickershárdheten HV30 för sorterna är 1925 respektive 1950.The Vickers hardness HV30 for the varieties is 1925 and 1950 respectively.
Verktygen provades i tràddragning av mässingsbelagda stàltràdar med 10 hög draghállfasthet för däckkordstillämpningar med följande resultat.The tools were tested in wire drawing of brass coated steel wires with high tensile strength for tire cord applications with the following results.
Prestandafaktor avser kvantiteten av produkt (tråd) som längd av massan dragen genom de olika kärnorna relativt kärna enligt tidigare känd teknik, A. Tabell l sammanfattar resultaten.Performance factor refers to the quantity of product (wire) as the length of the pulp drawn through the various cores relative to the core according to the prior art, Table 1 summarizes the results.
Tabell l Prov Prestandafaktor A. tidigare känd teknik Ref B. uppfinning +l5% 15 Exempel 2 Stàlkorddragskivor med en inre diameter mellan 1,3 och 0,175 mm och A. Samma sort enligt tidigare känd teknik som i Exempel l. 20 B. Ultrafin hàrdmetalldragskiva bestående av WC och 6% Co med korntillväxthämmare V och Cr.Table 1 Test Performance factor A. prior art Ref B. invention + l5% 15 Example 2 Steel cord pull plates with an inner diameter between 1.3 and 0.175 mm and A. Same variety according to prior art as in Example 1. 20 B. Ultrafine cemented carbide pull plate consisting of WC and 6% Co with barley growth inhibitors V and Cr.
Vickershàrdheten HV30 för sorterna är 1925 respektive 2050, provades i dragning av mässíngsbelagd stàltràd för däckkord: Tabell 2 sammanfattar resultaten. 25 Tabell 2 Prov Prestandafaktor A. tidigare känd teknik . Ref B. uppfinning +30% 530 123 Exempel 3 Stàlkorddragskivor med inre diametrar mellan 1,7 och 0,3 mm och samma sammansättning av hàrdmetall som i exempel 2, prOV&dêS i dragning av mässingsbelagd stáltràd för däckkord. 5 Tabell 3 V Prov Prestandafaktor A. tidigare känd teknik Ref B. uppfinning +120% Det kan ses fràn de stora skillnaderna i förbättringar, 15-120%, att de betingelser i korddragningoperationen, dvs. stàlkvalitet, smörjning, underhåll etc., faktorer utanför hàrdmetallsfabrikantens 10 inflytande, orsakar en stor variation. Sá, testerna i exemplen kan inte jämföras annat än inom varje tests betingelser.The Vickers hardness HV30 for the varieties is 1925 and 2050, respectively, tested in the drawing of brass-coated steel wire for tire cords: Table 2 summarizes the results. Table 2 Sample Performance Factor A. Prior Art. Ref B. invention + 30% 530 123 Example 3 Steel cord pull plates with inner diameters between 1.7 and 0.3 mm and the same composition of cemented carbide as in Example 2, tested in the drawing of brass-coated steel wire for tire cords. 5 Table 3 V Sample Performance factor A. prior art Ref B. invention + 120% It can be seen from the large differences in improvements, 15-120%, that the conditions in the cord pulling operation, ie. steel quality, lubrication, maintenance, etc., factors outside the influence of the cemented carbide manufacturer, cause a great variety. Sá, the tests in the examples can not be compared other than within the conditions of each test.
Claims (3)
Priority Applications (28)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0501201A SE530128C2 (en) | 2005-05-27 | 2005-05-27 | Ultra fine cemented carbide for use in deep drawing and ironing operation, e.g. in ironing operation of aluminum or steel beverage can manufacturing, comprises tungsten carbide, vanadium and/or chromium and specified amount of cobalt |
| SE0502290A SE529013C2 (en) | 2005-05-27 | 2005-10-17 | Cemented carbide for tools for cold processing of beverage cans, and the use of such carbide in coldworking tools |
| PT06445031T PT1726673E (en) | 2005-05-27 | 2006-05-19 | Tool for coldforming operations with improved performance |
| EP06445031A EP1726673B1 (en) | 2005-05-27 | 2006-05-19 | Tool for coldforming operations with improved performance |
| AT06445030T ATE394514T1 (en) | 2005-05-27 | 2006-05-19 | DRAWING DIE WITH IMPROVED PERFORMANCE |
| EP06445030A EP1726672B1 (en) | 2005-05-27 | 2006-05-19 | Drawing die with improved performance |
| ES06445031T ES2304777T3 (en) | 2005-05-27 | 2006-05-19 | TOOL FOR COLD-CONFORMED OPERATIONS WITH IMPROVED BEHAVIOR. |
| DE602006001033T DE602006001033T2 (en) | 2005-05-27 | 2006-05-19 | Tool for cold forming |
| PL06445031T PL1726673T3 (en) | 2005-05-27 | 2006-05-19 | Tool for coldforming operations with improved performance |
| PL06445030T PL1726672T3 (en) | 2005-05-27 | 2006-05-19 | Drawing die with improved performance |
| DE602006001075T DE602006001075D1 (en) | 2005-05-27 | 2006-05-19 | Drawing die with improved performance |
| AT06445031T ATE393837T1 (en) | 2005-05-27 | 2006-05-19 | COLD FORMING TOOL |
| PT06445030T PT1726672E (en) | 2005-05-27 | 2006-05-19 | Drawing die with improved performance |
| ES06445030T ES2303327T3 (en) | 2005-05-27 | 2006-05-19 | TREFILADO ROW WITH IMPROVED BEHAVIOR. |
| IL175918A IL175918A (en) | 2005-05-27 | 2006-05-25 | Ultra fine cemented carbide and deep drawing tool containing the same |
| US11/440,435 US7641710B2 (en) | 2005-05-27 | 2006-05-25 | Tool for coldforming operations with improved performance |
| PL379790A PL379790A1 (en) | 2005-05-27 | 2006-05-25 | Tool for coldforming operations with improved performance |
| US11/440,425 US7713327B2 (en) | 2005-05-27 | 2006-05-25 | Tool for coldforming operations with improved performance |
| IL175919A IL175919A (en) | 2005-05-27 | 2006-05-25 | Drawing dies containing ultra fine cemented carbide |
| JP2006147078A JP2006328540A (en) | 2005-05-27 | 2006-05-26 | Cemented carbide, and drawing die |
| JP2006146834A JP2006328539A (en) | 2005-05-27 | 2006-05-26 | Coated cemented carbide, and tool |
| RU2006118197/02A RU2006118197A (en) | 2005-05-27 | 2006-05-26 | COLD STAMPING TOOL WITH IMPROVED WORKING CHARACTERISTICS |
| KR1020060047818A KR101373965B1 (en) | 2005-05-27 | 2006-05-26 | Tool for coldforming operations with improved performance |
| KR1020060047747A KR20060122787A (en) | 2005-05-27 | 2006-05-26 | Tool for coldforming operations with improved performance |
| BRPI0601939-0A BRPI0601939A (en) | 2005-05-27 | 2006-05-29 | tool for improved performance cold modeling operations |
| CNB2006100918273A CN100535149C (en) | 2005-05-27 | 2006-05-29 | Tool for coldforming operations with improved performance |
| BRPI0601937-4A BRPI0601937A (en) | 2005-05-27 | 2006-05-29 | tool for improved performance cold modeling operations |
| CN200610091826.9A CN1869267B (en) | 2005-05-27 | 2006-05-29 | Tool for coldforming operations with improved performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0501201A SE530128C2 (en) | 2005-05-27 | 2005-05-27 | Ultra fine cemented carbide for use in deep drawing and ironing operation, e.g. in ironing operation of aluminum or steel beverage can manufacturing, comprises tungsten carbide, vanadium and/or chromium and specified amount of cobalt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE0501201L SE0501201L (en) | 2006-11-28 |
| SE530128C2 true SE530128C2 (en) | 2008-03-04 |
Family
ID=37443044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE0501201A SE530128C2 (en) | 2005-05-27 | 2005-05-27 | Ultra fine cemented carbide for use in deep drawing and ironing operation, e.g. in ironing operation of aluminum or steel beverage can manufacturing, comprises tungsten carbide, vanadium and/or chromium and specified amount of cobalt |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN1869267B (en) |
| SE (1) | SE530128C2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102965546A (en) * | 2012-11-20 | 2013-03-13 | 无锡康柏斯机械科技有限公司 | Cord thread machine |
| GB201902272D0 (en) | 2019-02-19 | 2019-04-03 | Hyperion Materials & Tech Sweden Ab | Hard metal cemented carbide |
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|---|---|---|---|---|
| CN1034875C (en) * | 1991-05-16 | 1997-05-14 | 天津大学 | Producing method for tungsten carbide based hard alloy |
| SE9703204L (en) * | 1997-09-05 | 1999-03-06 | Sandvik Ab | Tools for drilling / milling circuit board material |
| CN1082552C (en) * | 1998-07-09 | 2002-04-10 | 浙江大学 | Smelting method and equipment for nanometer hard tungsten-cobalt carbide and vanadium carbide alloy |
-
2005
- 2005-05-27 SE SE0501201A patent/SE530128C2/en not_active IP Right Cessation
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2006
- 2006-05-29 CN CN200610091826.9A patent/CN1869267B/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| CN1869268A (en) | 2006-11-29 |
| SE0501201L (en) | 2006-11-28 |
| CN1869267A (en) | 2006-11-29 |
| CN1869267B (en) | 2014-05-07 |
| CN100535149C (en) | 2009-09-02 |
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