CN112323060A - Powder steel laser cladding cutter and production process thereof - Google Patents
Powder steel laser cladding cutter and production process thereof Download PDFInfo
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- CN112323060A CN112323060A CN202011104700.7A CN202011104700A CN112323060A CN 112323060 A CN112323060 A CN 112323060A CN 202011104700 A CN202011104700 A CN 202011104700A CN 112323060 A CN112323060 A CN 112323060A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 144
- 239000010959 steel Substances 0.000 title claims abstract description 144
- 239000000843 powder Substances 0.000 title claims abstract description 87
- 238000004372 laser cladding Methods 0.000 title claims abstract description 48
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000005520 cutting process Methods 0.000 claims abstract description 46
- 238000005253 cladding Methods 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000227 grinding Methods 0.000 claims abstract description 13
- 239000012535 impurity Substances 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 7
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 7
- 239000011651 chromium Substances 0.000 claims abstract description 7
- 239000010941 cobalt Substances 0.000 claims abstract description 7
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 7
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 239000010949 copper Substances 0.000 claims abstract description 7
- 229910052742 iron Inorganic materials 0.000 claims abstract description 7
- 238000003754 machining Methods 0.000 claims abstract description 7
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims abstract description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 7
- 239000011733 molybdenum Substances 0.000 claims abstract description 7
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 7
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 7
- 239000010955 niobium Substances 0.000 claims abstract description 7
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 7
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 7
- 239000010703 silicon Substances 0.000 claims abstract description 7
- 239000010935 stainless steel Substances 0.000 claims abstract description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 7
- 239000010936 titanium Substances 0.000 claims abstract description 7
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 7
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 7
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 238000005242 forging Methods 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 14
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 12
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 10
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 238000007751 thermal spraying Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/17—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
-
- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- 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
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- 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
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- 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
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- 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
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- 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
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention discloses a powder steel laser cladding knife and a production process thereof, wherein a steel plate is formed by cladding a layer of powder steel material at the position of a cutting edge of a knife body through a laser cladding process, the powder steel comprises, by weight, 10-22 parts of chromium, 5-11 parts of cobalt, 4-10 parts of nickel, 2-5 parts of niobium, 8-13 parts of molybdenum, 0.5-2 parts of aluminum, 1.5-4 parts of titanium, 0.2-1.5 parts of carbon, 0.1-0.5 part of silicon, 0.3-0.6 part of manganese, 0.5-3 parts of vanadium, 0.5-2 parts of copper, and the balance of iron and incidental impurities, the particle size range of the powder steel is 45-135 micrometers, the knife body material is stainless steel, the thickness range of the knife body is 2.5-3.5 millimeters, another technical problem to be solved by the invention is to provide a powder steel laser cladding knife and a production process thereof, and the invention comprises the following steps: and carrying out necessary machining and grinding treatment on the cutting edge of the cutter body to remove oxide skin or rusty spots on the cutting edge. The steel bar is coated on the blade by a laser coating technology, so that the hardness, sharpness, corrosion resistance and wear resistance of the blade of the cutter are improved.
Description
Technical Field
The invention relates to the technical field of cutter manufacturing, in particular to a powder steel laser cladding cutter and a production process thereof.
Background
The laser cladding technology is an important method for modifying the surface of a material, and the principle is that a cladding material is added on the surface of a base material, and a laser beam with high energy density is utilized for irradiation and heating to melt and quickly solidify the cladding material and a thin layer on the surface of the base material, so that metallurgical bonding of a coating material and the base material is realized, a cladding layer with no holes and fine crystal grains and good mechanical property is obtained, particularly a high-performance coating is obtained on the surface of a low-cost base body, the method is a surface modification technology with higher economic benefit, the material cost can be reduced, and the precious rare metal material is saved
At present, the existing domestic developed and mature cutter edge strengthening methods comprise heat treatment, surface quenching, thermal diffusion and infiltration technology, electroplating, thermal spraying and the like. The heat treatment, surface quenching and thermal diffusion technology are all used for changing the performance of the blade under the condition of not changing the base material, the method has very limited degree for improving the performance of the blade, and although the electroplating and thermal spraying can form a coating layer by using special alloy powder, the bonding strength of the coating layer and the base is limited. The above methods have their own disadvantages and shortcomings, and the degree of improving the performance of the cutting edge is very limited, which severely restricts the development of the high-end cutter industry in China and has a large difference with the performance of foreign cutters, so that a new technology is urgently needed to be developed to fundamentally change the performance of the cutting edge of the cutter.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the powder steel laser cladding cutter and the production process thereof, which have the advantages of improving the hardness, sharpness, corrosion resistance, wear resistance and the like of the cutting edge of the cutter and solve the problem of low performance of the cutting edge.
(II) technical scheme
In order to achieve the purpose of improving the hardness, sharpness, corrosion resistance and wear resistance of the edge part of the cutter, the invention provides the following technical scheme:
a steel plate made of powder steel is cladded at the position of the cutting edge of a cutter body through a laser cladding process.
Preferably, the powder steel comprises, by weight, 10-22 parts of chromium, 5-11 parts of cobalt, 4-10 parts of nickel, 2-5 parts of niobium, 8-13 parts of molybdenum, 0.5-2 parts of aluminum, 1.5-4 parts of titanium, 0.2-1.5 parts of carbon, 0.1-0.5 parts of silicon, 0.3-0.6 parts of manganese, 0.5-3 parts of vanadium, 0.5-2 parts of copper, and the balance of iron and incidental impurities.
Preferably, the particle size range of the powder steel is 45-135 micrometers.
Preferably, the cutter body is made of stainless steel, and the thickness range of the cutter body is 2.5-3.5 mm.
The invention aims to solve another technical problem of providing a production process of a powder steel laser cladding cutter, which comprises the following steps:
s1) carrying out necessary machining and grinding treatment on the cutting edge of the cutter body, and removing oxide skin or rusty spots on the cutting edge;
s2) polishing the cutting edge by using abrasive paper, cleaning the cladding part of the cutting edge by using acetone, removing impurities such as dust, oil stain and the like on the surface, then wiping by using absolute ethyl alcohol, and placing in a ventilated and dry place for later use;
s3) drying the powder steel for 2-4 hours to ensure the powder to be fully dried;
s4) charging powder steel into a mold in a cladding machine;
s5) first melting the powdered steel using a laser to form a steel strip;
s6) forging the steel bar into a shape matched with the blade by a forging machine;
s7) attaching the steel strip to the cutting edge of the cutter blank, and combining the steel strip and the cutter blank into a whole through laser cladding
S8) grinding the cutter blank.
Preferably, the thickness of billet can be 2 ~ 3 millimeters, and the width can be 4 millimeters and 8 millimeters.
Preferably, the temperature of the powder steel when being clad into a steel strip is not lower than 4000 ℃.
Preferably, 99.99% argon is used as the shielding gas in the cladding machine.
Preferably, the laser in the cladding machine is a fiber laser.
(III) advantageous effects
Compared with the prior art, the invention provides the powder steel laser cladding cutter and the production process thereof, and the powder steel laser cladding cutter has the following beneficial effects:
1. according to the powder steel laser cladding knife and the production process thereof, the powder steel is heated by irradiating the powder steel with laser, so that the powder steel becomes molten state, the laser cladding technology enables the molten state powder steel to exceed 4000 ℃, the powder steel is cladded into a steel plate at ultrahigh high temperature, the powder steel is forged by a forging machine after being formed into the steel plate through ultrahigh-temperature laser cladding, the structure of the steel plate is compact and more stable, and the hardness of a cutting edge is higher after the cutting edge is manufactured.
2. This powder steel laser cladding sword and production technology thereof makes the billet form the steel sheet that is fit for sword type blade through laser or forging, melts through laser cladding technique with billet and blade and covers for the billet fuses with the blade body as an organic whole, realizes the metallurgical combination of different steel, obtains the sclausura, tiny microstructure of crystalline grain and good mechanical properties's cladding structure, and after the cutter is shorn, hardness, sharpness, corrosion-resistant and wearability of cutting part all improve by a wide margin, and toughness can not reduce when promoting hardness.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the powder steel laser cladding knife is characterized in that: the cutting edge of the cutter body is clad with a layer of steel plate formed by powder steel materials through a laser cladding process, the powder steel comprises, by weight, 15 parts of chromium, 8 parts of cobalt, 7 parts of nickel, 4 parts of niobium, 9 parts of molybdenum, 1 part of aluminum, 2 parts of titanium, 1 part of carbon, 0.3 part of silicon, 0.4 part of manganese, 1.5 parts of vanadium, 1 part of copper and the balance of iron and incidental impurities, the particle size range of the powder steel is 100 micrometers, the cutter body material is stainless steel, and the thickness range of the cutter body is 3 millimeters.
A production process of a powder steel laser cladding cutter is characterized by comprising the following steps: the method comprises the following steps:
s1) carrying out necessary machining and grinding treatment on the cutting edge of the cutter body, and removing oxide skin or rusty spots on the cutting edge;
s2) polishing the cutting edge by using abrasive paper, cleaning the cladding part of the cutting edge by using acetone, removing impurities such as dust, oil stain and the like on the surface, then wiping by using absolute ethyl alcohol, and placing in a ventilated and dry place for later use;
s3) drying the powder steel for 4 hours to ensure the powder to be fully dried;
s4) loading the powder steel into a mold in a cladding machine using 99.99% argon gas as a shielding gas to prevent the steel strip from being oxidized at a high temperature by using the shielding gas;
s5), firstly, melting powder steel by using laser to form a steel bar, wherein the temperature of the powder steel when being melted and coated into the steel bar is not lower than 4000 ℃, the thickness of the steel bar is 2.5 mm, and the width of the steel bar can be 4 mm to 8 mm;
s6) forging the steel bar into a shape matched with the blade by a forging machine;
s7) attaching the steel strip to the cutting edge of the cutter blank, and combining the steel strip and the cutter blank into a whole through laser cladding, wherein a laser in the cladding machine is a fiber laser;
s8) grinding the cutter blank.
Example two:
the powder steel laser cladding knife is characterized in that: the cutting edge of the cutter body is clad with a layer of steel plate formed by powder steel materials through a laser cladding process, the powder steel comprises, by weight, 10 parts of chromium, 5 parts of cobalt, 4 parts of nickel, 2 parts of niobium, 8 parts of molybdenum, 0.5 part of aluminum, 1.5 parts of titanium, 0.2 part of carbon, 0.1 part of silicon, 0.3 part of manganese, 0.5 part of vanadium, 0.5 part of copper and the balance of iron and incidental impurities, the particle size range of the powder steel is 45 micrometers, the cutter body is made of stainless steel, and the thickness range of the cutter body is 2.5 millimeters.
A production process of a powder steel laser cladding cutter is characterized by comprising the following steps: the method comprises the following steps:
s1) carrying out necessary machining and grinding treatment on the cutting edge of the cutter body, and removing oxide skin or rusty spots on the cutting edge;
s2) polishing the cutting edge by using abrasive paper, cleaning the cladding part of the cutting edge by using acetone, removing impurities such as dust, oil stain and the like on the surface, then wiping by using absolute ethyl alcohol, and placing in a ventilated and dry place for later use;
s3) drying the powder steel for 2 hours to ensure the powder to be fully dried;
s4) loading the powder steel into a mold in a cladding machine using 99.99% argon gas as a shielding gas to prevent the steel strip from being oxidized at a high temperature by using the shielding gas;
s5), firstly, melting powder steel by using laser to form a steel bar, wherein the temperature of the powder steel when being melted and coated into the steel bar is not lower than 4000 ℃, the thickness of the steel bar is 2 mm, and the width of the steel bar can be 4 mm to 8 mm;
s6) forging the steel bar into a shape matched with the blade by a forging machine;
s7) attaching the steel strip to the cutting edge of the cutter blank, and combining the steel strip and the cutter blank into a whole through laser cladding, wherein a laser in the cladding machine is a fiber laser;
s8) grinding the tool blank
Example three:
the powder steel laser cladding knife is characterized in that: the cutting edge of the cutter body is clad with a layer of steel plate formed by powder steel materials through a laser cladding process, the powder steel comprises, by weight, 22 parts of chromium, 11 parts of cobalt, 10 parts of nickel, 5 parts of niobium, 13 parts of molybdenum, 2 parts of aluminum, 4 parts of titanium, 1.5 parts of carbon, 0.5 part of silicon, 0.6 part of manganese, 3 parts of vanadium, 2 parts of copper and the balance of iron and incidental impurities, the particle size range of the powder steel is 135 micrometers, the cutter body material is stainless steel, and the thickness range of the cutter body is 3.5 millimeters.
A production process of a powder steel laser cladding cutter is characterized by comprising the following steps: the method comprises the following steps:
s1) carrying out necessary machining and grinding treatment on the cutting edge of the cutter body, and removing oxide skin or rusty spots on the cutting edge;
s2) polishing the cutting edge by using abrasive paper, cleaning the cladding part of the cutting edge by using acetone, removing impurities such as dust, oil stain and the like on the surface, then wiping by using absolute ethyl alcohol, and placing in a ventilated and dry place for later use;
s3) drying the powder steel for 2.5 hours to ensure the powder to be fully dried;
s4) loading the powder steel into a mold in a cladding machine using 99.99% argon gas as a shielding gas to prevent the steel strip from being oxidized at a high temperature by using the shielding gas;
s5), firstly, melting powder steel by using laser to form a steel bar, wherein the temperature of the powder steel when being melted and coated into the steel bar is not lower than 4000 ℃, the thickness of the steel bar is 2 mm, and the width of the steel bar can be 4 mm to 8 mm;
s6) forging the steel bar into a shape matched with the blade by a forging machine;
s7) attaching the steel strip to the cutting edge of the cutter blank, and combining the steel strip and the cutter blank into a whole through laser cladding, wherein a laser in the cladding machine is a fiber laser;
s8) grinding the cutter blank.
Example four:
the powder steel laser cladding knife is characterized in that: the cutting edge of the cutter body is clad with a layer of steel plate formed by powder steel materials through a laser cladding process, the powder steel comprises, by weight, 20 parts of chromium, 9 parts of cobalt, 8 parts of nickel, 4 parts of niobium, 11 parts of molybdenum, 1.5 parts of aluminum, 3 parts of titanium, 1 part of carbon, 0.4 part of silicon, 0.5 part of manganese, 2.5 parts of vanadium, 1.5 parts of copper and the balance of iron and incidental impurities, the particle size range of the powder steel is 80 micrometers, the cutter body is made of stainless steel, and the thickness range of the cutter body is 3 millimeters.
A production process of a powder steel laser cladding cutter is characterized by comprising the following steps: the method comprises the following steps:
s1) carrying out necessary machining and grinding treatment on the cutting edge of the cutter body, and removing oxide skin or rusty spots on the cutting edge;
s2) polishing the cutting edge by using abrasive paper, cleaning the cladding part of the cutting edge by using acetone, removing impurities such as dust, oil stain and the like on the surface, then wiping by using absolute ethyl alcohol, and placing in a ventilated and dry place for later use;
s3) drying the powder steel for 3.5 hours to ensure that the powder is fully dried;
s4) loading the powder steel into a mold in a cladding machine using 99.99% argon gas as a shielding gas to prevent the steel strip from being oxidized at a high temperature by using the shielding gas;
s5), firstly, melting powder steel by using laser to form a steel bar, wherein the temperature of the powder steel when being melted and coated into the steel bar is not lower than 4000 ℃, the thickness of the steel bar is 3 mm, and the width of the steel bar can be 4 mm to 8 mm;
s6) forging the steel bar into a shape matched with the blade by a forging machine;
s7) attaching the steel strip to the cutting edge of the cutter blank, and combining the steel strip and the cutter blank into a whole through laser cladding, wherein a laser in the cladding machine is a fiber laser;
s8) grinding the cutter blank.
The invention has the beneficial effects that: through with laser irradiation powder steel, the powder steel is heated, make the powder steel become the molten state, laser cladding technology makes the powder steel of molten state exceed 4000 degrees centigrade, the super high temperature melts the powder steel cladding into the steel sheet, after the powder steel forms the steel sheet through super high temperature laser cladding, use forging machine forging, make the compact structure and more stable of steel sheet, melt-cover billet and blade through laser cladding technology, make billet and blade fuse together, realize the metallurgical combination of different steel, obtain the sclausura, tiny microstructure of crystalline grain and cladding structure of good mechanical properties, after the cutter is opened a sword, the hardness of blade, the sharpness, corrosion-resistant and wearability all improve by a wide margin, toughness can not reduce when promoting the hardness.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The powder steel laser cladding knife is characterized in that: and a layer of steel plate made of powder steel materials is cladded at the position of the cutting edge of the cutter body through a laser cladding process.
2. The powdered steel laser cladding knife according to claim 1, characterized in that: the powder steel comprises, by weight, 10-22 parts of chromium, 5-11 parts of cobalt, 4-10 parts of nickel, 2-5 parts of niobium, 8-13 parts of molybdenum, 0.5-2 parts of aluminum, 1.5-4 parts of titanium, 0.2-1.5 parts of carbon, 0.1-0.5 part of silicon, 0.3-0.6 part of manganese, 0.5-3 parts of vanadium, 0.5-2 parts of copper, and the balance of iron and incidental impurities.
3. The powdered steel laser cladding knife according to claim 1, characterized in that: the particle size range of the powder steel is 45-135 microns.
4. The powdered steel laser cladding knife according to claim 1, characterized in that: the cutter body is made of stainless steel, and the thickness range of the cutter body is 2.5-3.5 millimeters.
5. A production process of a powder steel laser cladding cutter is characterized by comprising the following steps: the method comprises the following steps:
s1) carrying out necessary machining and grinding treatment on the cutting edge of the cutter body, and removing oxide skin or rusty spots on the cutting edge;
s2) polishing the cutting edge by using abrasive paper, cleaning the cladding part of the cutting edge by using acetone, removing impurities such as dust, oil stain and the like on the surface, then wiping by using absolute ethyl alcohol, and placing in a ventilated and dry place for later use;
s3) drying the powder steel for 2-4 hours to ensure the powder to be fully dried;
s4) charging powder steel into a mold in a cladding machine;
s5) first melting the powdered steel using a laser to form a steel strip;
s6) forging the steel bar into a shape matched with the blade by a forging machine;
s7) attaching the steel strip to the cutting edge of the cutter blank, and combining the steel strip and the cutter blank into a whole through laser cladding;
s8) grinding the cutter blank.
6. The production process of the powder steel laser cladding cutter according to claim 5, characterized by comprising the following steps: the thickness of billet is 2 ~ 3 millimeters, and the width can be 4 millimeters and 8 millimeters.
7. The production process of the powder steel laser cladding cutter according to claim 5, characterized by comprising the following steps: the temperature of the powder steel when being cladded into a steel strip is not lower than 4000 ℃.
8. The production process of the powder steel laser cladding cutter according to claim 5, characterized by comprising the following steps: 99.99% argon was used as a shielding gas in the melten-coating machine.
9. The production process of the powder steel laser cladding cutter according to claim 5, characterized by comprising the following steps: and the laser in the cladding machine is a fiber laser.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114289715A (en) * | 2021-03-22 | 2022-04-08 | 武汉钜能科技有限责任公司 | Additive manufacturing tool |
| CN114453504A (en) * | 2022-04-13 | 2022-05-10 | 保定市精工汽车模具技术有限公司 | Preparation method of cutting edge of stamping die |
| CN114559045A (en) * | 2022-03-01 | 2022-05-31 | 广东凯利德科技有限公司 | Production method of novel austenitic stainless steel kitchen cutter and low-carbon high-chromium martensite alloy powder |
| CN115418571A (en) * | 2022-09-15 | 2022-12-02 | 雨田(浙江)智能装备有限公司 | Laser cladding alloy powder for improving abrasion resistance and corrosion resistance of banknote cutter blade |
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2020
- 2020-10-15 CN CN202011104700.7A patent/CN112323060A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114289715A (en) * | 2021-03-22 | 2022-04-08 | 武汉钜能科技有限责任公司 | Additive manufacturing tool |
| CN114559045A (en) * | 2022-03-01 | 2022-05-31 | 广东凯利德科技有限公司 | Production method of novel austenitic stainless steel kitchen cutter and low-carbon high-chromium martensite alloy powder |
| CN114559045B (en) * | 2022-03-01 | 2022-10-14 | 广东凯利德科技有限公司 | Method for producing austenitic stainless steel kitchen knife tool and low-carbon high-chromium martensite alloy powder |
| CN114453504A (en) * | 2022-04-13 | 2022-05-10 | 保定市精工汽车模具技术有限公司 | Preparation method of cutting edge of stamping die |
| CN114453504B (en) * | 2022-04-13 | 2022-07-12 | 保定市精工汽车模具技术有限公司 | Preparation method of cutting edge of stamping die |
| CN115418571A (en) * | 2022-09-15 | 2022-12-02 | 雨田(浙江)智能装备有限公司 | Laser cladding alloy powder for improving abrasion resistance and corrosion resistance of banknote cutter blade |
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Application publication date: 20210205 |