AT11730U1 - METHOD FOR PRODUCING A CUTTING EDGE AND CUTTING EDGE PRODUCED ACCORDING TO THIS METHOD - Google Patents
METHOD FOR PRODUCING A CUTTING EDGE AND CUTTING EDGE PRODUCED ACCORDING TO THIS METHOD Download PDFInfo
- Publication number
- AT11730U1 AT11730U1 AT0018610U AT1862010U AT11730U1 AT 11730 U1 AT11730 U1 AT 11730U1 AT 0018610 U AT0018610 U AT 0018610U AT 1862010 U AT1862010 U AT 1862010U AT 11730 U1 AT11730 U1 AT 11730U1
- Authority
- AT
- Austria
- Prior art keywords
- cutting edge
- hard material
- material inserts
- hard
- base body
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
-
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/002—Positioning devices
-
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
-
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/0281—Workpiece supporting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K10/00—Welding or cutting by means of a plasma
- B23K10/02—Plasma welding
- B23K10/027—Welding for purposes other than joining, e.g. build-up welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/32—Bonding taking account of the properties of the material involved
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/34—Laser welding for purposes other than joining
- B23K26/342—Build-up welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
- B23K31/025—Connecting cutting edges or the like to tools; Attaching reinforcements to workpieces, e.g. wear-resisting zones to tableware
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/32—Selection of soldering or welding materials proper with the principal constituent melting at more than 1550 degrees C
- B23K35/327—Selection of soldering or welding materials proper with the principal constituent melting at more than 1550 degrees C comprising refractory compounds, e.g. carbides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
- B23K9/042—Built-up welding on planar surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/20—Tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
Abstract
Die Erfindung betrifft ein Verfahren zur Herstellung einer Schneidkante 1 aus Stahl für ein Messer oder für einen Werfer für landwirtschaftlichen, gewerblichen oder industriellen Einsatz, sowie eine nach diesem Verfahren hergestellte Schneidkante, 1 die sich dadurch auszeichnet, dass in den Grundkörper 8 der Schneidkante 1 in beide Seitenflächen 5, 6 nahe ihrer Stirnfläche 2 Hartstoffeinlagen 3, 4 eingebracht werden, welche nahezu bündig mit den Seitenflächen 5, 6 des Grundkörpers 8 abschließen.The invention relates to a method for producing a cutting edge 1 made of steel for a knife or for a launcher for agricultural, industrial or industrial use, and a cutting edge produced by this method, 1 which is characterized in that in the main body 8 of the cutting edge 1 in Both side surfaces 5, 6 near their end face 2 hard material inserts 3, 4 are introduced, which close almost flush with the side surfaces 5, 6 of the main body 8.
Description
österreichisches Patentamt AT 11 730 U1 2011-04-15Austrian Patent Office AT 11 730 U1 2011-04-15
Beschreibungdescription
VERFAHREN ZUR HERSTELLUNG EINER SCHNEIDKANTE UND NACH DIESEM VERFAHREN HERGESTELLTE SCHNEIDKANTEMETHOD FOR PRODUCING A CUTTING EDGE AND CUTTING EDGE PRODUCED ACCORDING TO THIS METHOD
[0001] Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung einer Schneidkante und eine danach hergestellte Schneidkante für ein Messer oder für einen Werfer für landwirtschaftlichen, gewerblichen oder industriellen Einsatz, die eine selbstschärfende Charakteristik aufweist.The present invention relates to a method for producing a cutting edge and a subsequently produced cutting edge for a knife or for a launcher for agricultural, industrial or industrial use, which has a self-sharpening characteristic.
[0002] Bei unbeschichteten Schneiden eines Messers oder Werfers weist die Schneidkante anfangs einen eckigen Querschnitt mit scharfen, rechtwinkeligen Kanten auf. Mit zunehmender Beanspruchung rundet sich die Schneidkante immer mehr ab, womit die Schneidenschärfe fortwährend abnimmt. Um die Schneidenschärfe wieder herzustellen, müssen solche Messer in vorgegebenen Intervallen nachgeschliffen werden oder sie werden durch neue ersetzt. Die Messerschneide wird dementsprechend relativ bald durch natürlichen Abrieb und durch das erforderliche Nachschleifen abgenützt.In uncoated cutting a knife or thrower, the cutting edge initially has a polygonal cross-section with sharp, rectangular edges. With increasing stress, the cutting edge is rounded off more and more, whereby the cutting edge sharpness decreases continuously. In order to restore the edge sharpness, such knives must be reground at predetermined intervals or they are replaced by new ones. The knife edge is therefore relatively soon worn by natural abrasion and the required regrinding.
[0003] Um diesem Problem der raschen Abnützung vorzubeugen ist es seit langem bekannt, auf der Schneidkante eine die Lebensdauer der Schärfe der Schneidkante verlängernde Hartstoffschicht aufzubringen. So beschreibt die DD 273 996 ein hartstoffbeschichtetes Schneidwerkzeug, insbesondere ein Messer, bei dem der Grundkörper aus Werkzeugstahl oder niedrig legiertem Vergütungsstahl besteht, auf welchen die Hartstoffbeschichtung mittels Laserstrahl oder Elektronenstrahl auf die Schneidkante aufgetragen wird. Nachteilig bei diesen Einrichtungen ist, dass durch die Beanspruchung der Schneidkante diese Hartstoffschicht ungleichförmig abgetragen wird, wobei es zu lokalen Abplatzungen der Hartstoffschicht kommen kann, welche den Verschleiß der Schneidkante zusätzlich begünstigen.To prevent this problem of rapid wear, it has long been known to apply to the cutting edge a lifetime of the sharpness of the cutting edge extending hard material layer. For example, DD 273 996 describes a hard-coated cutting tool, in particular a knife, in which the base body consists of tool steel or low-alloy tempered steel, onto which the hard material coating is applied to the cutting edge by means of a laser beam or electron beam. A disadvantage of these devices is that this hard material layer is removed non-uniformly by the stress of the cutting edge, which may cause local flaking of the hard material layer, which additionally favor the wear of the cutting edge.
[0004] Aufgabe der vorliegenden Erfindung ist es daher eine Schneidkante für Messer oder Werfer zu schaffen, deren Schneidkante durch das Aufbringen einer Hartstoffschicht eine längere Lebensdauer aufweist und zugleich durch die erfindungsgemäße Geometrie der Hartstoffschicht zusätzlich einen Selbstschärfungseffekt hat, wodurch der Verschleiß der Schneidkante erheblich reduziert und die Einsatzdauer des Bauteiles verlängert wird.Object of the present invention is therefore to provide a cutting edge for knives or launcher, the cutting edge by applying a hard material layer has a longer life and at the same time by the inventive geometry of the hard material layer additionally has a self-sharpening effect, whereby the wear of the cutting edge significantly reduced and the service life of the component is extended.
[0005] Diese Aufgabe wird gelöst, indem in die Schneidkante auf beiden Seiten eine Hartstofflegierung aufgetragen oder das Grundmaterial beiderseits durch Hartstoffeintrag auflegiert wird. Dies erfolgt beispielsweise indem in eine Nut im Grundmaterial das Hartstoffmaterial mittels Plasmapulverauftragschweißen eingebracht wird.This object is achieved by applying a hard material alloy in the cutting edge on both sides or the base material is alloyed on both sides by hard material entry. This is done, for example, by introducing the hard material into a groove in the base material by means of plasma powder build-up welding.
[0006] Die Erfindung wird nachfolgend anhand der Figuren näher beschrieben. Darin zeigt: [0007] Fig. 1 einen Schnitt durch die erfindungsgemäße Schneidkante im unbenutzten Zustand; [0008] Fig. 2 eine Aufsicht auf die erfindungsgemäße Schneidkante; [0009] Fig. 3 einen Schnitt durch eine unbenutzte Schneidkante ohne Hartstoffauftrag; [0010] Fig. 4 einen Schnitt durch eine benutzte Schneidkante ohne Hartstoffauftrag; [0011] Fig. 5 einen Schnitt durch die erfindungsgemäße Schneidkante im benutzten Zustand.The invention will be described in more detail with reference to FIGS. FIG. 1 shows a section through the cutting edge according to the invention in the unused state; FIG. FIG. 2 shows a plan view of the cutting edge according to the invention; FIG. 3 shows a section through an unused cutting edge without hard material application. 4 shows a section through a used cutting edge without hard material application; 5 shows a section through the cutting edge according to the invention in the used state.
[0012] Die Schneidkante 1 hat im Neuzustand die Form einer Leiste oder eines Vierkants deren Schnitt in Fig. 1 dargestellt ist und eine Dicke von einigen Millimetern besitzt. Nahe ihrer Stirnfläche 2 besitzt sie auf beiden Seiten eine Hartstoffeinlage 3, 4. Diese Hartstoffeinlage 3, 4 schließt im Wesentlichen bündig mit der Seitenfläche 5, 6 der Schneidkante 1 ab oder besitzt einen geringen Überstand 7. Der Auftrag dieser Hartstoffeinlage 3, 4 erfolgt durch Laser- oder Plasmaauftragschweißung oder mittels MIG MAG- Schweißtechnik. Die Hartstoffeinlage 3, 4 besteht entweder aus reinen Hartstoffen, wie Wolfram-, Chrom- oder Vanadiumkarbiden oder aus einer hartstoffverstärkten metallischen Legierung.The cutting edge 1 has the shape of a bar or a square in the new state whose section is shown in Fig. 1 and has a thickness of a few millimeters. This hard material insert 3, 4 is substantially flush with the side surface 5, 6 of the cutting edge 1 or has a slight projection 7. The order of this hard material insert 3, 4 is carried out by Laser or plasma build-up welding or using MIG MAG welding technology. The hard material insert 3, 4 consists either of pure hard materials, such as tungsten, chromium or vanadium carbides or of a hard material-reinforced metallic alloy.
[0013] Wie aus Fig. 2 hervor geht, werden die seitlichen Hartstoffeinlagen 3, 4 bevorzugt über 1/4As is apparent from Fig. 2, the lateral hard material inserts 3, 4 are preferably about 1/4
Claims (7)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0018610U AT11730U1 (en) | 2010-03-22 | 2010-03-22 | METHOD FOR PRODUCING A CUTTING EDGE AND CUTTING EDGE PRODUCED ACCORDING TO THIS METHOD |
DE202011002916U DE202011002916U1 (en) | 2010-03-22 | 2011-02-18 | Cutting edge for a knife or for a thrower |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0018610U AT11730U1 (en) | 2010-03-22 | 2010-03-22 | METHOD FOR PRODUCING A CUTTING EDGE AND CUTTING EDGE PRODUCED ACCORDING TO THIS METHOD |
Publications (1)
Publication Number | Publication Date |
---|---|
AT11730U1 true AT11730U1 (en) | 2011-04-15 |
Family
ID=43568398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT0018610U AT11730U1 (en) | 2010-03-22 | 2010-03-22 | METHOD FOR PRODUCING A CUTTING EDGE AND CUTTING EDGE PRODUCED ACCORDING TO THIS METHOD |
Country Status (2)
Country | Link |
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AT (1) | AT11730U1 (en) |
DE (1) | DE202011002916U1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3172951A1 (en) * | 2015-11-06 | 2017-05-31 | Amazonen-Werke H. Dreyer GmbH & Co. KG | Soil working tool |
US10143122B2 (en) | 2014-12-22 | 2018-12-04 | Betek Gmbh & Co. Kg | Tool system |
EP3476525A4 (en) * | 2016-06-23 | 2019-11-20 | BMAN Manufacturing (Zhe Jiang) Co., Ltd. | Method for manufacturing ultra-hard and wear-resistant composite blade |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020202079A1 (en) | 2020-02-19 | 2021-08-19 | Robert Bosch Gesellschaft mit beschränkter Haftung | Insert tool and method for producing an insert tool |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD273996A1 (en) | 1988-07-11 | 1989-12-06 | Fz Der Werkzeug Ind Schmalkald | HARDWARE-COATED CUTTING TOOL, ESPECIALLY KNIVES FOR CUTTING PAPER, PAPER, LEATHER, TEXTILES AND CHEMICALS |
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2010
- 2010-03-22 AT AT0018610U patent/AT11730U1/en not_active IP Right Cessation
-
2011
- 2011-02-18 DE DE202011002916U patent/DE202011002916U1/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10143122B2 (en) | 2014-12-22 | 2018-12-04 | Betek Gmbh & Co. Kg | Tool system |
EP3172951A1 (en) * | 2015-11-06 | 2017-05-31 | Amazonen-Werke H. Dreyer GmbH & Co. KG | Soil working tool |
EP3476525A4 (en) * | 2016-06-23 | 2019-11-20 | BMAN Manufacturing (Zhe Jiang) Co., Ltd. | Method for manufacturing ultra-hard and wear-resistant composite blade |
Also Published As
Publication number | Publication date |
---|---|
DE202011002916U1 (en) | 2011-06-01 |
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MM01 | Lapse because of not paying annual fees |
Effective date: 20160331 |