CH689696A5 - Shaping tool especially for metal rolling, pressing or drawing e.g. cold rolling of sheet steel profiles - Google Patents
Shaping tool especially for metal rolling, pressing or drawing e.g. cold rolling of sheet steel profiles Download PDFInfo
- Publication number
- CH689696A5 CH689696A5 CH264294A CH264294A CH689696A5 CH 689696 A5 CH689696 A5 CH 689696A5 CH 264294 A CH264294 A CH 264294A CH 264294 A CH264294 A CH 264294A CH 689696 A5 CH689696 A5 CH 689696A5
- Authority
- CH
- Switzerland
- Prior art keywords
- surface layer
- group
- tools
- rolling
- layer
- Prior art date
Links
- 238000005097 cold rolling Methods 0.000 title claims description 6
- 238000005096 rolling process Methods 0.000 title claims description 6
- 238000003825 pressing Methods 0.000 title claims description 5
- 229910052751 metal Inorganic materials 0.000 title claims description 3
- 239000002184 metal Substances 0.000 title claims description 3
- 238000007493 shaping process Methods 0.000 title abstract 3
- 229910000831 Steel Inorganic materials 0.000 title description 3
- 239000010959 steel Substances 0.000 title description 3
- 239000010410 layer Substances 0.000 claims abstract description 24
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims abstract description 13
- 239000002344 surface layer Substances 0.000 claims abstract description 12
- 239000002346 layers by function Substances 0.000 claims abstract description 3
- 238000004519 manufacturing process Methods 0.000 claims abstract 2
- 238000000576 coating method Methods 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 230000000737 periodic effect Effects 0.000 claims description 7
- 239000000314 lubricant Substances 0.000 claims description 6
- 238000005240 physical vapour deposition Methods 0.000 claims description 6
- 150000001247 metal acetylides Chemical class 0.000 claims description 3
- 150000004767 nitrides Chemical class 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 239000011230 binding agent Substances 0.000 claims 1
- 229910052804 chromium Inorganic materials 0.000 claims 1
- 239000011651 chromium Substances 0.000 claims 1
- 239000002131 composite material Substances 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 150000002739 metals Chemical class 0.000 claims 1
- 229910052750 molybdenum Inorganic materials 0.000 claims 1
- 239000011733 molybdenum Substances 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 229910052758 niobium Inorganic materials 0.000 claims 1
- 239000010955 niobium Substances 0.000 claims 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 239000010970 precious metal Substances 0.000 claims 1
- 229910052711 selenium Inorganic materials 0.000 claims 1
- 239000011669 selenium Substances 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- 229910052717 sulfur Inorganic materials 0.000 claims 1
- 239000011593 sulfur Substances 0.000 claims 1
- 229910052715 tantalum Inorganic materials 0.000 claims 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims 1
- 229910052721 tungsten Inorganic materials 0.000 claims 1
- 239000010937 tungsten Substances 0.000 claims 1
- 229910052720 vanadium Inorganic materials 0.000 claims 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims 1
- 229910000997 High-speed steel Inorganic materials 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J3/00—Lubricating during forging or pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
- B21B25/04—Cooling or lubricating mandrels during operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/10—Lubricating, cooling or heating rolls externally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/18—Lubricating, e.g. lubricating tool and workpiece simultaneously
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/02—Pretreatment of the material to be coated
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B2003/001—Aluminium or its alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B2003/005—Copper or its alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B3/02—Rolling special iron alloys, e.g. stainless steel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
- Physical Vapour Deposition (AREA)
Abstract
A shaping tool, having a surface layer consisting of one or more group six elements and one or more sub-group five and/or six elements, is new. An Independent claim is also included for production of the above shaping tool, in which the layer is applied by PVD. Preferred Features: The layer comprises stoichiometric or non-stoichiometric molybdenum disulfide applied onto a hard functional layer.
Description
Die vorliegende Erfindung betrifft Werkzeuge gemäss dem Oberbegriff des Patentanspruchs 1.
Es ist heute allgemein bekannt, und durch verschiedene Anwendungs- und Prozesspatente gezeigt, dass harte Schichten auf der Basis von Karbiden, Nitriden, Karbonitriden, Boriden, Siliziden und Oxiden der Gruppe III-VIII des periodischen Systems der Elemente verschleissfeste Eigenschaften besitzen. Diese Schichten weisen sehr hohe Härtewerte auf, die Werte von 1500 HV-4000 HV und mehr erreichen. Solche Schichten werden nach den heute weit entwickelten CVD-(Chemical Vapor Deposition) und PVD-(Physical Vapor Deposition) Verfahren aufgebracht.
Ein wichtiges Anwendungsgebiet ist das Beschichten von Umformwerkzeugen aus Hartmetall, Schnellarbeitsstahl und Werkzeugstahl mit Hartstoffen, z.B. TiC, TiN, TiCN, CrN, VN usw. Damit können zum Teil wesentliche Standzeitverbesserungen erzielt werden.
Die Dicke der Schichten oder Schichtkombinationen liegen vorzugsweise zwischen 2-5 Mikrometer. Die Wirkung der Schicht wird sowohl auf die hohe Härte und Verschleissfestigkeit wie auch auf die verminderte Adhäsionsneigung zwischen Umformwerkstoff und Umformwerkzeug zurückgeführt.
Wegen der sehr hohen lokalen Pressungen bei gewissen Umformoperationen kann es durch die Zyklischen Belastungsspitzen zu oberflächlichen Materialermüdungserscheinungen am Werkzeug kommen. Dies kann zu Abplatzungen der spröden, harten Oberflächenschichten führen. Wird dagegen auf eine Oberflächenbeschichtung verzichtet, so kommt es zu Adhäsionsverschweissungen zwischen Werkzeug und Werkstück.
Ein Beispiel für eine solche Umformoperation ist das Profil-Kaltwalzen von Stahlblech für mechanische Antriebs- und Steuerungsteile in der Automobilindustrie.
Es ist Aufgabe der vorliegenden Erfindung, Werkzeuge zur Verfügung zu stellen, die frei von den genannten Nachteilen sind.
Bei der Suche nach neuen Schichten und Schichtkombinationen für diese Umformoperationen hat man das Suchfeld wesentlich erweitert und auch sehr weiche Festschmierstoffschichten in die Versuche einbezogen, die sich eindeutig von den Hartstoffschichten unterscheiden. Eine solche Schicht ist zum Beispiel Molybdändisulfid (MoS2).
Es wurde gefunden, dass Werkzeuge mit Beschichtungen gemäss der Kennzeichnung des Patentanspruchs 1 zum Umformen, wie Walzen, Pressen und Ziehen von Werkstoffen, geeignet sind. Ein typisches Beschichtungsmaterial ist Molybdändisulfid. Das Molybdändisulfid ist als Schmier- und Gleitstoff bekannt und wird als Schicht nach dem PVD-Verfahren (Physical Vapor Deposition) abgeschieden. Das Hauptanwendungsgebiet heute liegt überall dort, wo Schmier- und Gleitstoffe benutzt werden müssen, aber keine öl- oder fetthaltigen Substanzen wegen der äusseren Bedingungen verwendet werden können. Solche äusseren Bedingungen sind zum Beispiel: Hohe Temperaturen, Vakuum oder Hochvakuum, Gegenwart von fettlösenden Lösungsmitteln, usw.
Molybdändisulfid ist ein sehr weicher Stoff (Mohs'sche Härte 1-2), weist einen sehr niedrigen Reibungskoeffizienten auf, in Abhängigkeit der Umgebungsbedingungen (Vakuum Reibungskoeffizient 0,01-0,04, trockene Luft 0,01-0,04, feuchte Luft 0,2-0,3 bei einer relativen Luftfeuchtigkeit von 50%). Die funktionelle Schichtdicke ist im Gegensatz zu den Hartstoffschichten sehr gering und beträgt weniger als 1 Mikrometer.
In einem Versuchsprogramm wurde das Verhalten von Molybdändisulfid-Schichten auf Kaltumform-Walzrollen untersucht. Als besonders günstig hat sich erwiesen, die Schichten mit einem "closed field unbalanced magnetron"-System abzuscheiden. Bei diesem PVD-Verfahren kann die Beschichtungstemperatur unter 200 DEG C gehalten werden. Die abgeschiedenen Schichten sind äusserst dicht und zeigen eine besonders gute Haftung auf dem Substrat. Auch kann mit diesem System die Schichtzusammensetzung optimal kontrolliert werden.
Beim Kaltwalzen mit Walzrollen, die mit Molybdändisulfid beschichtet waren, zeigten sich erstaunliche Resultate:
- Die Standzeit der Werkzeuge war mehr als 100mal höher als ohne Molybdändisulfid-Beschichtung.
- Durch die sehr dünn aufgetragene Beschichtung (unter 1 mu m Schichtdicke) muss gegenüber den unbeschichteten Walzrollen keine Toleranzanpassung vorgenommen werden.
Untenstehende Tabelle I gibt die Einzelheiten über die Versuchsergebnisse beim Kaltwalzen mit und ohne Molybdändisulfid-Beschichtung.
<tb><TABLE> Columns=3 Tabelle I:
Kaltwalzen von einem Zahnkranz
<tb>Head Col 1: Material:
<tb>Head Col 2: Stahlblech
<tb>Head Col 3: Werkzeug:
<tb>Head Col 2 to 3 AL=L: Walzrollen aus hochlegiertem Schnellstahl
(hochglanzpoliert)
<tb>Head Col 2 AL=L: Beschichtung
<tb>Head Col 4: Standzeit
<tb><SEP>ohne Beschichtung<SEP>< 10 Teile
<tb><SEP>mit Molybdändisulfid-
Beschichtung (SEP)<> 1000 Teile
<tb></TABLE>
Einsparungen ergaben sich vor allem durch das weniger häufige Werkzeugwechseln (Stillstandzeiten) und den viel geringeren Werkzeugverbrauch.
The present invention relates to tools according to the preamble of claim 1.
It is generally known today and has been shown by various application and process patents that hard layers based on carbides, nitrides, carbonitrides, borides, silicides and oxides of group III-VIII of the periodic system of the elements have wear-resistant properties. These layers have very high hardness values that reach values of 1500 HV-4000 HV and more. Such layers are applied using the CVD (Chemical Vapor Deposition) and PVD (Physical Vapor Deposition) processes, which are well developed today.
An important area of application is the coating of forming tools made of hard metal, high-speed steel and tool steel with hard materials, e.g. TiC, TiN, TiCN, CrN, VN etc. In this way, significant improvements in tool life can be achieved.
The thickness of the layers or layer combinations are preferably between 2-5 micrometers. The effect of the layer is attributed to the high hardness and wear resistance as well as the reduced tendency to adhesion between the forming material and the forming tool.
Due to the very high local pressures during certain forming operations, the cyclical load peaks can cause surface fatigue on the tool. This can lead to flaking of the brittle, hard surface layers. If, on the other hand, a surface coating is not used, there is an adhesion weld between the tool and the workpiece.
An example of such a forming operation is the profile cold rolling of sheet steel for mechanical drive and control parts in the automotive industry.
It is an object of the present invention to provide tools which are free from the disadvantages mentioned.
When searching for new layers and layer combinations for these forming operations, the search field was expanded significantly and very soft solid lubricant layers were also included in the tests, which clearly differ from the hard material layers. Such a layer is, for example, molybdenum disulfide (MoS2).
It has been found that tools with coatings according to the characterizing part of claim 1 are suitable for forming, such as rolling, pressing and drawing of materials. A typical coating material is molybdenum disulfide. Molybdenum disulfide is known as a lubricant and lubricant and is deposited as a layer using the PVD (Physical Vapor Deposition) process. The main area of application today is wherever lubricants and lubricants have to be used, but no oil or fat-containing substances can be used due to the external conditions. Such external conditions are, for example: high temperatures, vacuum or high vacuum, presence of fat-dissolving solvents, etc.
Molybdenum disulfide is a very soft material (Mohs hardness 1-2), has a very low coefficient of friction, depending on the ambient conditions (vacuum coefficient of friction 0.01-0.04, dry air 0.01-0.04, moist air 0.2-0.3 at a relative humidity of 50%). In contrast to the hard material layers, the functional layer thickness is very small and is less than 1 micrometer.
The behavior of molybdenum disulfide layers on cold-formed roll rolls was investigated in a test program. It has proven particularly favorable to deposit the layers using a "closed field unbalanced magnetron" system. With this PVD process the coating temperature can be kept below 200 ° C. The deposited layers are extremely dense and show particularly good adhesion to the substrate. The layer composition can also be optimally controlled with this system.
When cold rolling with rolls that were coated with molybdenum disulfide, amazing results were shown:
- The service life of the tools was more than 100 times longer than without a molybdenum disulfide coating.
- Due to the very thinly applied coating (less than 1 µm layer thickness) there is no need to adjust the tolerance compared to the uncoated roller.
Table I below gives details of the test results in cold rolling with and without molybdenum disulfide coating.
<tb> <TABLE> Columns = 3 Table I:
Cold rolling from a ring gear
<tb> Head Col 1: Material:
<tb> Head Col 2: sheet steel
<tb> Head Col 3: Tool:
<tb> Head Col 2 to 3 AL = L: Rolling rollers made of high-alloy high-speed steel
(highly polished)
<tb> Head Col 2 AL = L: coating
<tb> Head Col 4: service life
<tb> <SEP> without coating <SEP> <10 parts
<tb> <SEP> with molybdenum disulfide
Coating (SEP) <> 1000 parts
<tb> </TABLE>
Savings resulted primarily from the less frequent tool changes (downtimes) and the much lower tool consumption.
Claims (14)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH264294A CH689696A5 (en) | 1994-08-30 | 1994-08-30 | Shaping tool especially for metal rolling, pressing or drawing e.g. cold rolling of sheet steel profiles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH264294A CH689696A5 (en) | 1994-08-30 | 1994-08-30 | Shaping tool especially for metal rolling, pressing or drawing e.g. cold rolling of sheet steel profiles |
Publications (1)
Publication Number | Publication Date |
---|---|
CH689696A5 true CH689696A5 (en) | 1999-08-31 |
Family
ID=4238349
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH264294A CH689696A5 (en) | 1994-08-30 | 1994-08-30 | Shaping tool especially for metal rolling, pressing or drawing e.g. cold rolling of sheet steel profiles |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH689696A5 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000033989A1 (en) * | 1998-12-10 | 2000-06-15 | Honda Of America Mfg., Inc. | Application of dry lubricant to forming dies and forming dies that operate with high force |
-
1994
- 1994-08-30 CH CH264294A patent/CH689696A5/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000033989A1 (en) * | 1998-12-10 | 2000-06-15 | Honda Of America Mfg., Inc. | Application of dry lubricant to forming dies and forming dies that operate with high force |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NV | New agent |
Representative=s name: BOVARD AG |
|
PL | Patent ceased |