CN111083946A - Wear-resisting high strength rotary blade - Google Patents
Wear-resisting high strength rotary blade Download PDFInfo
- Publication number
- CN111083946A CN111083946A CN201911260828.XA CN201911260828A CN111083946A CN 111083946 A CN111083946 A CN 111083946A CN 201911260828 A CN201911260828 A CN 201911260828A CN 111083946 A CN111083946 A CN 111083946A
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- bending section
- straight blade
- wear
- powder
- blade
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- 238000005452 bending Methods 0.000 claims abstract description 31
- 239000000843 powder Substances 0.000 claims abstract description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000005520 cutting process Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000956 alloy Substances 0.000 claims abstract description 7
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 7
- 150000003839 salts Chemical class 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 229910002651 NO3 Inorganic materials 0.000 claims abstract description 4
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 4
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 4
- 238000004372 laser cladding Methods 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 6
- 238000005496 tempering Methods 0.000 claims description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 9
- 238000003971 tillage Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000005253 cladding Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
- A01B33/10—Structural or functional features of the tools ; Theoretical aspects of the cutting action
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/22—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for drills; for milling cutters; for machine cutting tools
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
-
- 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
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses a wear-resistant high-strength rotary tillage cutter which comprises a straight blade, a bending section, mounting holes and cutting edges, wherein the straight blade and the bending section are forged pieces, the bending section is formed by stamping through a stamping machine, the tail end of the straight blade is provided with 3 mounting holes and is mounted on a cutter holder through bolts, the front end of the straight blade and the bending section are provided with the cutting edges, the straight blade and the bending section are made of 60Si2Mn steel, the straight blade and the bending section are heated through integral salt bath, oil-cooled quenched and deoiled and then tempered in nitrate bath, the hardness of the cutting edges is HRC55, the hardness of the tail end of the straight blade is HRC45, the cutting edges are subjected to laser cladding, coating powder is made of self-fluxing iron-based alloy powder, the granularity is 100 meshes, a carbon dioxide laser is adopted, the power is 3kw, and the powder feeder synchronously feeds powder at a powder feeding rate of 30 mg/. The invention adopts a special structure, improves the soil crushing effect, is provided with a wear-resistant pattern layer after special heat treatment, can resist corrosion and abrasion, has long service life and reduces the maintenance times.
Description
Technical Field
The invention belongs to the field of agricultural machinery processing, and particularly relates to a wear-resistant high-strength rotary blade.
Background
The rotary cultivator is a cultivator which is matched with a tractor to complete the operations of ploughing and harrowing. The soil breaking machine has the characteristics of strong soil breaking capacity, flat ground surface after ploughing and the like, so that the soil breaking machine is widely applied; meanwhile, the stubble buried below the ground surface can be cut up, the operation of the seeder is convenient, and a good seedbed is provided for later-stage seeding. The prior rotary tillage blade has insufficient wear resistance, and the blade part is easy to be seriously worn by the friction of soil; or the handle part and the blade part are bent or damaged due to the impact of soil blocks, stones and stubbles. The service life is shorter, the time and the labor are wasted when the blade is replaced, and the maintenance cost is high.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a wear-resistant high-strength rotary blade which adopts a special structure, improves the soil crushing effect, is provided with a wear-resistant coating through special heat treatment, has high strength, corrosion resistance and abrasion resistance, is long in service life and reduces the maintenance times.
In order to achieve the purpose, the invention provides a wear-resistant high-strength rotary tillage cutter, which comprises a straight blade, a bending section, a mounting hole and a cutting edge,
the straight blade and the bending section are forged pieces, the bending section is formed by punching through a punching machine, the tail end of the straight blade is provided with 3 mounting holes and is mounted on the tool apron through bolts, the front end of the straight blade and the bending section are provided with cutting edges,
the straight blade and the bending section adopt 60Si2Mn steel, the integral salt bath is heated, oil is cooled and quenched, the oil is removed, the tempering treatment is carried out in the nitrate bath, the hardness of the cutting edge is HRC55, the hardness of the tail end of the straight blade is HRC45,
the cutting edge adopts laser cladding, the coating powder adopts self-fluxing iron-based alloy powder, the granularity is 100 meshes, a carbon dioxide laser is adopted, the power is 3kw, a powder feeder feeds powder synchronously, and the powder feeding speed is 30 mg/min.
Furthermore, the bending angle of the bending section is 70-85 degrees, and the torsion angle is 5-10 degrees.
Further, the salt bath heating temperature of the straight blade and the bending section is 880 ℃, the heating time is 10-20 minutes, the tempering is divided into two times, the first time is 60 minutes, and the temperature is 240-270 ℃; the second time is 5-10 minutes, and the temperature is 500-550 ℃.
Further, the self-fluxing iron-based alloy powder comprises the following chemical components in percentage by mass: 17% of chromium, 1.5% of silicon, 4% of boron, 1% of carbon, 10% of nickel and the balance of iron.
The invention has the beneficial effects that:
the wear-resistant high-strength rotary tillage cutter adopts a special structure, improves the soil crushing effect, is subjected to special heat treatment, is provided with a wear-resistant pattern layer, can resist corrosion and wear, has long service life, and reduces the maintenance times.
Drawings
FIG. 1 is a schematic front view of the assembly of the abrasion-resistant high-strength rotary blade with the blade shaft and the frame;
FIG. 2 is a schematic side view of the assembly of the wear-resistant high-strength rotary blade with the blade shaft and the frame according to the present invention;
fig. 3 is an enlarged view of a portion a of fig. 1.
In the figure: 1. a straight blade; 2. bending sections; 3. mounting holes; 4. a tool apron; 5. and (7) cutting edges.
Detailed Description
The details of the present invention are described below with reference to the accompanying drawings and specific embodiments.
As shown in figures 1 and 2, a wear-resistant high-strength rotary blade comprises a straight blade 1, a bending section 2, a mounting hole 3 and a cutting edge 5,
the straight blade 1 and the bending section 2 are forged pieces, the bending section 2 is formed by punching through a punching machine, the tail end of the straight blade 1 is provided with 3 mounting holes 3 and is mounted on a tool apron 4 through bolts, the front end of the straight blade 1 and the bending section 2 are provided with cutting edges 5,
the straight blade 1 and the bending section 2 are made of 60Si2Mn steel, the whole salt bath is heated, oil cooling quenching is carried out, oil is removed, tempering treatment is carried out in a nitrate bath, the hardness of the cutting edge 5 is HRC55, the hardness of the tail end of the straight blade 1 is HRC45, the cutting edge 5 is subjected to laser cladding, coating powder is self-fluxing iron-based alloy powder, the granularity is 100 meshes, a carbon dioxide laser is adopted, the power is 3kw, the powder feeder feeds powder synchronously, and the powder feeding speed is 30 mg/min.
As shown in fig. 3, the bending angle of the bending section 2 is 70-85 degrees, and the torsion angle is 5-10 degrees.
In practical application, the salt bath heating temperature of the straight blade 1 and the bending section 2 is 880 ℃, the heating time is 10-20 minutes, the tempering is divided into two times, the first time is 60 minutes, and the temperature is 240-270 ℃; the second time is 5-10 minutes, and the temperature is 500-550 ℃.
In practical application, the self-fluxing iron-based alloy powder comprises the following chemical components in percentage by mass: 17% of chromium, 1.5% of silicon, 4% of boron, 1% of carbon, 10% of nickel and the balance of iron.
The working principle of the invention is as follows:
and the metallurgical microscope observation shows that firm metallurgical bonding is formed between the cladding layer and the base material, and the cladding layer has no obvious air holes and cracks. The microhardness of the cladding layer can reach 820HV1 to the maximum, which is about 3 times of that of the substrate, and the wear resistance is obviously better than that of the substrate. The field test shows that the wear resistance of the rotary blade after cladding treatment is obviously superior to that of the rotary blade subjected to traditional heat treatment.
In conclusion, the wear-resistant high-strength rotary tillage cutter disclosed by the invention adopts a special structure, the soil crushing effect is improved, and the wear-resistant rotary tillage cutter is subjected to special heat treatment and provided with a wear-resistant pattern layer, so that the wear-resistant rotary tillage cutter is resistant to corrosion and wear, long in service life and capable of reducing maintenance times.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical spirit and features of the present invention, and the present invention is not limited thereto but may be implemented by those skilled in the art.
Claims (4)
1. The utility model provides a wear-resisting high strength rotary blade which characterized in that: comprises a straight blade (1), a bending section (2), a mounting hole (3) and a cutting edge (5),
the straight blade (1) and the bending section (2) are forged pieces, the bending section (2) is formed by punching through a punching machine, the tail end of the straight blade (1) is provided with 3 mounting holes (3) and is mounted on the tool apron (4) through bolts, the front end of the straight blade (1) and the bending section (2) are provided with cutting edges (5),
the straight blade (1) and the bending section (2) are made of 60Si2Mn steel, the whole salt bath is heated, oil is cooled and quenched, oil is removed, the tempering treatment is carried out in a nitrate bath, the hardness of the cutting edge (5) is HRC55, the hardness of the tail end of the straight blade (1) is HRC45,
the cutting edge (5) is subjected to laser cladding, the coating powder is self-fluxing iron-based alloy powder with the granularity of 100 meshes, a carbon dioxide laser is adopted, the power is 3kw, a powder feeder feeds powder synchronously, and the powder feeding speed is 30 mg/min.
2. A wear-resistant high-strength rotary blade according to claim 1, characterized in that: the bending angle of the bending section (2) is 70-85 degrees, and the torsion angle is 5-10 degrees.
3. A wear-resistant high-strength rotary blade according to claim 2, characterized in that: the salt bath heating temperature of the straight blade (1) and the bending section (2) is 880 ℃, the heating time is 10-20 minutes, the tempering is divided into two times, the first time is 60 minutes, and the temperature is 240-270 ℃; the second time is 5-10 minutes, and the temperature is 500-550 ℃.
4. A wear-resistant high-strength rotary blade according to claim 3, characterized in that: the self-fluxing iron-based alloy powder comprises the following chemical components in percentage by mass: 17% of chromium, 1.5% of silicon, 4% of boron, 1% of carbon, 10% of nickel and the balance of iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911260828.XA CN111083946A (en) | 2019-12-10 | 2019-12-10 | Wear-resisting high strength rotary blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911260828.XA CN111083946A (en) | 2019-12-10 | 2019-12-10 | Wear-resisting high strength rotary blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111083946A true CN111083946A (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911260828.XA Pending CN111083946A (en) | 2019-12-10 | 2019-12-10 | Wear-resisting high strength rotary blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111083946A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022064943A1 (en) * | 2020-09-23 | 2022-03-31 | 株式会社源平刃物工場 | Hair-clipper blade, hair-clipper-type trimming device, and method of manufacturing hair-clipper blade |
| CN114481119A (en) * | 2021-12-24 | 2022-05-13 | 中国农业机械化科学研究院集团有限公司 | A kind of wear-resistant rotary tiller and its making method |
| DE102021132345A1 (en) | 2021-12-08 | 2023-06-15 | Horsch Maschinen Gmbh | Wear-optimized blade for a knife roller of a soil tillage and/or sowing machine, agricultural soil tillage and/or sowing machine and method for producing a wear-optimized blade |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009106207A (en) * | 2007-10-31 | 2009-05-21 | Sasaoka:Kk | Tillage tine |
| CN102224773A (en) * | 2011-04-11 | 2011-10-26 | 江苏大学 | Remanufacturable deep-plow rotary tiller suitable for returning full amount of straw to the field |
| CN103834786A (en) * | 2012-11-27 | 2014-06-04 | 大连经济技术开发区圣洁真空技术开发有限公司 | Heat treatment method of mechanical blade |
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| CN106271403A (en) * | 2016-08-04 | 2017-01-04 | 朱彩凤 | A kind of processing technology of stubble ploughing, rotary tillage blade |
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| CN208549141U (en) * | 2018-06-28 | 2019-03-01 | 福建农林大学 | Shock-absorbing scarifier |
| CN109402631A (en) * | 2018-12-27 | 2019-03-01 | 安徽工业大学 | High rigidity grad enhancement cold roll and its Laser Melting Cover Layer preparation method |
| CN109997429A (en) * | 2019-05-21 | 2019-07-12 | 冯铎 | High-strength abrasion-proof rotary blade and its production technology |
| CN110073747A (en) * | 2019-04-19 | 2019-08-02 | 吴忠市伊禾农机作业服务有限公司 | Apply fertilizer rotary-tillage suppressing hack all-in-one machine |
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2019
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| JP2009106207A (en) * | 2007-10-31 | 2009-05-21 | Sasaoka:Kk | Tillage tine |
| CN102224773A (en) * | 2011-04-11 | 2011-10-26 | 江苏大学 | Remanufacturable deep-plow rotary tiller suitable for returning full amount of straw to the field |
| CN103834786A (en) * | 2012-11-27 | 2014-06-04 | 大连经济技术开发区圣洁真空技术开发有限公司 | Heat treatment method of mechanical blade |
| CN204425915U (en) * | 2014-05-07 | 2015-07-01 | 天津市静海县鑫泽五金加工厂 | A kind of Novel rotary tillage cutter |
| CN106755763A (en) * | 2015-11-20 | 2017-05-31 | 巴南区伟鹏机械加工厂 | A kind of H13 steels extrusion die high temperature quenching technical |
| CN106755762A (en) * | 2015-11-20 | 2017-05-31 | 巴南区伟鹏机械加工厂 | A kind of 5CrMnMo steels hammer forging die high temperature quenching technical |
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| CN109402631A (en) * | 2018-12-27 | 2019-03-01 | 安徽工业大学 | High rigidity grad enhancement cold roll and its Laser Melting Cover Layer preparation method |
| CN110073747A (en) * | 2019-04-19 | 2019-08-02 | 吴忠市伊禾农机作业服务有限公司 | Apply fertilizer rotary-tillage suppressing hack all-in-one machine |
| CN109997429A (en) * | 2019-05-21 | 2019-07-12 | 冯铎 | High-strength abrasion-proof rotary blade and its production technology |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022064943A1 (en) * | 2020-09-23 | 2022-03-31 | 株式会社源平刃物工場 | Hair-clipper blade, hair-clipper-type trimming device, and method of manufacturing hair-clipper blade |
| CN116193979A (en) * | 2020-09-23 | 2023-05-30 | 株式会社源平刀具工场 | Cutting blade, reciprocating cutting device, and method for manufacturing cutting blade |
| DE102021132345A1 (en) | 2021-12-08 | 2023-06-15 | Horsch Maschinen Gmbh | Wear-optimized blade for a knife roller of a soil tillage and/or sowing machine, agricultural soil tillage and/or sowing machine and method for producing a wear-optimized blade |
| CN114481119A (en) * | 2021-12-24 | 2022-05-13 | 中国农业机械化科学研究院集团有限公司 | A kind of wear-resistant rotary tiller and its making method |
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| AU596351B2 (en) | Tillage points |
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