CN111945156A - Method for preparing centrifugal roller through laser cladding - Google Patents
Method for preparing centrifugal roller through laser cladding Download PDFInfo
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- CN111945156A CN111945156A CN202010937359.7A CN202010937359A CN111945156A CN 111945156 A CN111945156 A CN 111945156A CN 202010937359 A CN202010937359 A CN 202010937359A CN 111945156 A CN111945156 A CN 111945156A
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000004372 laser cladding Methods 0.000 title claims abstract description 36
- 239000000843 powder Substances 0.000 claims abstract description 70
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 45
- 239000000956 alloy Substances 0.000 claims abstract description 45
- 238000005253 cladding Methods 0.000 claims abstract description 37
- 239000010410 layer Substances 0.000 claims abstract description 23
- 238000005260 corrosion Methods 0.000 claims abstract description 16
- 230000007797 corrosion Effects 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 14
- 238000009991 scouring Methods 0.000 claims abstract description 14
- 239000000758 substrate Substances 0.000 claims abstract description 11
- 238000005488 sandblasting Methods 0.000 claims abstract description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002346 layers by function Substances 0.000 claims abstract description 8
- 230000007704 transition Effects 0.000 claims abstract description 7
- 230000007547 defect Effects 0.000 claims abstract description 5
- 229910052786 argon Inorganic materials 0.000 claims abstract description 4
- 239000012159 carrier gas Substances 0.000 claims abstract description 4
- 230000037452 priming Effects 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 16
- 229910052748 manganese Inorganic materials 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000003203 everyday effect Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000003628 erosive effect Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000010935 stainless steel Substances 0.000 abstract description 3
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 3
- 229910000531 Co alloy Inorganic materials 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000010790 dilution Methods 0.000 description 4
- 239000012895 dilution Substances 0.000 description 4
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 239000011490 mineral wool Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/055—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 20% but less than 30%
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/07—Alloys based on nickel or cobalt based on cobalt
-
- 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
A method for preparing a centrifugal roller by laser cladding comprises the steps of carrying out sand blasting treatment on a working surface of a blank of the centrifugal roller; preparing alloy laser cladding powder as a functional layer, a priming coat or a transition layer; drying the prepared alloy powder in a drying furnace; mounting the centrifugal roller subjected to sand blasting treatment on a positioner; the alloy powder is filled into a powder feeder, and argon is used as carrier gas; performing processed powder laser cladding process debugging on a substrate with the same material as the centrifugal roller, and cladding on the finished block; starting to clad the centrifugal roller after defects are not found; and finishing cladding and dismounting of the centrifugal roller. The invention adopts different alloy powders for layered cladding, adopts the cobalt-based alloy with corrosion resistance, high temperature resistance, wear resistance, erosion resistance and scouring resistance on the surface, provides a process method for preparing an alloy layer on a centrifugal roller by using a laser cladding technology, solves the problem of short service life of the existing surfacing stainless steel centrifugal roller, and simultaneously provides a technical scheme for preparing related key parts in other industries.
Description
Technical Field
The invention belongs to the technical field of metal surface engineering, and particularly relates to a method for preparing a wear-resistant, high-temperature-resistant, corrosion-resistant and acid-resistant molten slurry scouring and erosion-resistant centrifugal roller by laser cladding.
Background
The four-roller centrifuge is the key equipment for rock wool production, and the centrifugal roller is the most vulnerable key part in the use process of the centrifuge. Under the condition that the centrifugal machine rotates at a high speed, molten rock slurry with the temperature of more than 1400 ℃ is cast on the centrifugal roller, so that the centrifugal roller bears complex working conditions of high temperature, scouring, corrosion, erosion, abrasion, high-speed thermal fatigue and the like, and the service life of the centrifugal roller is extremely short.
At present, a centrifugal roller used by rock wool manufacturers is made of stainless steel materials which are welded on a working surface and serve as functional layers, the service life of the centrifugal roller is about 70 hours, the continuous production of rock wool is directly influenced due to the short service life, workers frequently replace the centrifugal roller, the cost is increased for enterprises, and the product quality is influenced.
Disclosure of Invention
The invention aims to provide a process method for preparing an alloy layer which simultaneously has high temperature resistance, wear resistance, scouring resistance, corrosion resistance and erosion resistance on a working surface of a centrifugal roller by using a laser cladding technology aiming at the defect of short service life of the conventional centrifugal roller.
The laser cladding technology is a technological method for remarkably improving the wear resistance, corrosion resistance, heat resistance, oxidation resistance, electrical characteristics and the like of the surface of a base material by placing selected coating materials on the surface of a coated base body in different filling modes, simultaneously melting a thin layer on the surface of the base body through laser irradiation, and forming a surface coating which has extremely low dilution and is metallurgically combined with the base material after rapid solidification. Its main process is characterized by (1) quick cooling speed (up to 106K/s), belonging to quick solidification process, and easily obtaining fine crystal structure or producing new phase which can not be obtained by equilibrium state, such as unstable phase and amorphous state, etc.. (2) The coating has low dilution rate (generally less than 5 percent), is firmly metallurgically bonded or interface diffusion bonded with a substrate, can obtain a good coating with low dilution rate by adjusting laser process parameters, and has controllable coating components and dilution; (3) the heat input and distortion are small, and especially when high-power density rapid cladding is adopted, the deformation can be reduced to be within the assembly tolerance of parts. (4) The powder selection is almost without any limitation, especially for the deposition of high melting point alloys on the surface of low melting point metals.
The technical scheme of the invention is as follows: a method for preparing a centrifugal roller by laser cladding comprises the following specific steps:
s1, performing sand blasting treatment on the blank working surface of the centrifugal roller to remove oxides and other impurities on the working surface of the blank and reduce the internal stress of the blank.
S2, preparing alloy laser cladding powder which simultaneously has high temperature resistance, wear resistance, scouring resistance and corrosion resistance as an outermost functional layer, wherein the alloy powder comprises the following components in percentage by mass: c: 0.90-1.40%, 28.00-30.00% of Cr, Fe: 0 to 3.00%, Mn 0 to 0.50%, Mo: 0 to 1.00%, Ni 0 to 3.00%, Si 0.70 to 1.55%, W: 3.50-5.50% and the balance of Co.
S3, preparing alloy laser cladding powder with corrosion resistance, wear resistance and scouring resistance as a base coat, wherein the base coat alloy powder comprises the following components in percentage by mass: c: 0.16-0.25%, Cr 12-14%, Si is less than or equal to 1%, Mn: less than or equal to 1 percent, S: less than or equal to 0.030 percent, P: less than or equal to 0.040 percent and the balance of Fe.
S4, preparing alloy laser cladding powder which has the functions of high temperature resistance and corrosion resistance at the same time as a transition layer between a bottom layer and a functional layer, wherein the alloy powder of the transition layer comprises the following components in percentage by mass: c is less than or equal to 0.1 percent, Cr: 20% -23%, Mo: 8-10%, Nb 3.15-5.15%, Fe is less than or equal to 5%, Co is less than or equal to 1%, Mn: less than or equal to 0.5 percent, Si: less than or equal to 0.5 percent, S: less than or equal to 0.015 percent, P: less than or equal to 0.015 percent, Cu: less than or equal to 0.07 percent, Al: less than or equal to 0.4 percent, Ti: less than or equal to 0.4, and the balance being Ni.
S5, drying the prepared alloy powder in a drying furnace at the drying temperature of 70-100 ℃ for 2-3 h for later use.
And S6, mounting the centrifugal roller subjected to sand blasting on a positioner.
S7, putting the alloy powder obtained in the step S3 and dried in the step S5 into a powder feeder, and adopting argon as a carrier gas.
S8, the laser is a fiber laser, the maximum power of the fiber laser is 6KW, the light spot is a circular light spot, and the diameter of the light spot is 2-3 mm.
S9, carrying out powder laser cladding process debugging on the alloy powder obtained in the step S3 on a substrate with the same material as the centrifugal roller after the alloy powder is processed in the step S5, wherein the final process parameters are as follows: laser power: p =2.5KW, powder feeding amount: 13-16 g/h, the scanning speed v = 15-20 mm/s, the flow of protective gas is 25L/min, the flow of powder conveying gas is 6-7L/min, and the lap joint rate is 40-45%.
S10, carrying out laser cladding process debugging on the alloy powder processed in the step S4 and the step S5 on a substrate which is made of the same material as the centrifugal roller, and cladding on the block subjected to cladding in the step S9 after debugging is finished.
S11, carrying out laser cladding process debugging on the alloy powder processed in the step S2 and the step S5 on a substrate which is made of the same material as the centrifugal roller, and cladding on the block which is cladded in the step S10 after debugging is finished.
And S12, cladding the centrifugal roller after the cladding block is subjected to nondestructive inspection and no defect is found.
And S13, cleaning the centrifugal roller installed in the step S6 by using industrial alcohol, removing oil stains on the surface, and drying by using a blower.
And S14, cladding the centrifugal roller on the centrifugal roller according to the process parameters of the step S9, wherein the number of cladding layers is 1.
And S15, cladding the centrifugal roller by 1 layer every day according to the process parameters of the step S10 after the step S14 is completed.
And S16, cladding the centrifugal roller according to the process parameters of the step S11 after the step S15 is completed, and cladding the centrifugal roller with 1 layer.
And S17, completing the cladding and the dismounting of the centrifugal roller after the step S16 is completed.
The invention provides a centrifugal roller manufacturing method, which adopts different alloy powders for layered cladding, adopts a cobalt-based alloy with corrosion resistance, high temperature resistance, wear resistance, erosion resistance and scouring resistance on the surface, provides a process method for preparing an alloy layer which has the advantages of high temperature resistance, wear resistance, erosion resistance, corrosion resistance and scouring resistance on the working surface of a centrifugal roller by using a laser cladding technology, solves the problem of short service life of the existing build-up welding stainless steel centrifugal roller, and provides a technical scheme for preparing related key parts of other industries.
Detailed Description
A method for preparing a centrifugal roller by laser cladding comprises the following specific steps:
s1, performing sand blasting treatment on the working surface of the centrifugal roller blank to remove oxides and other impurities on the working surface of the blank, reducing the internal stress of the blank, wherein the sand blasting surface effect is favorable for laser absorption and increasing the metallurgical bonding strength. The centrifugal roller blank is made of 20 steel.
S2, preparing alloy laser cladding powder which simultaneously has high temperature resistance, wear resistance, scouring resistance and corrosion resistance as an outermost functional layer, wherein the alloy powder comprises the following components in percentage by mass: c: 0.90-1.40%, 28.00-30.00% of Cr, Fe: 0 to 3.00%, Mn 0 to 0.50%, Mo: 0 to 1.00%, Ni 0 to 3.00%, Si 0.70 to 1.55%, W: 3.50-5.50% and the balance of Co.
S3, preparing alloy laser cladding powder with corrosion resistance, wear resistance and scouring resistance as a base coat, wherein the base coat alloy powder comprises the following components in percentage by mass: c: 0.16-0.25%, Cr 12-14%, Si is less than or equal to 1%, Mn: less than or equal to 1 percent, S: less than or equal to 0.030 percent, P: less than or equal to 0.040 percent and the balance of Fe.
S4, preparing alloy laser cladding powder which has the functions of high temperature resistance, corrosion resistance and scouring resistance at the same time as a transition layer between a priming layer and a functional layer, wherein the alloy powder of the transition layer comprises the following components in percentage by mass: c is less than or equal to 0.1 percent, Cr: 20% -23%, Mo: 8-10%, Nb 3.15-5.15%, Fe is less than or equal to 5%, Co is less than or equal to 1%, Mn: less than or equal to 0.5 percent, Si: less than or equal to 0.5 percent, S: less than or equal to 0.015 percent, P: less than or equal to 0.015 percent, Cu: less than or equal to 0.07 percent, Al: less than or equal to 0.4 percent, Ti: less than or equal to 0.4, and the balance being Ni.
S5, drying the prepared alloy powder in a drying furnace at the drying temperature of 70-100 ℃ for 2-3 h for later use.
S6, mounting the centrifugal roller subjected to sand blasting treatment on a positioner, wherein the positioner is a two-axis positioner and can rotate and turn.
S7, putting the alloy powder obtained in the step S3 and dried in the step S5 into a powder feeder, and adopting argon as a carrier gas.
S8, the laser is a fiber laser, the maximum power of the fiber laser is 6KW, the light spot is a circular light spot, and the diameter of the light spot is 2-3 mm.
S9, carrying out powder laser cladding process debugging on the alloy powder obtained in the step S3 on a substrate with the same material as the centrifugal roller after the alloy powder is processed in the step S5, wherein the final process parameters are as follows: laser power: p =2.5KW, powder feeding amount: 13-16 g/h, the scanning speed v = 15-20 mm/s, the flow of protective gas is 25L/min, the flow of powder conveying gas is 6-7L/min, and the lap joint rate is 40-45%.
S10, carrying out powder laser cladding process debugging on alloy powder in the step S4 on a substrate which is made of the same material as the centrifugal roller and is processed in the step S5, cladding on a block which is cladded in the step S9 after debugging is finished, and carrying out final process parameters as follows: laser power: p =2.5KW, powder feeding amount: 12-15 g/h, the scanning speed v = 15-20 mm/s, the protective gas flow rate is 27L/min, the powder conveying gas flow rate is 6-7L/min, and the overlapping rate is 40%.
S11, carrying out powder laser cladding process debugging on alloy powder in the step S2 on a substrate which is made of the same material as the centrifugal roller and is processed in the step S5, cladding on a block which is cladded in the step S10 after debugging is finished, and carrying out final process parameters as follows: laser power: p =2.7KW, powder feeding amount: 12-15 g/h, the scanning speed v = 15-20 mm/s, the protective gas flow rate is 27L/min, the powder conveying gas flow rate is 6-7L/min, and the lap joint rate is 45%.
And S12, performing nondestructive inspection, and starting to clad the centrifugal roller after no defect is found after the cladding speed is fast.
And S13, cleaning the centrifugal roller installed in the step S6 by using industrial alcohol, removing oil stains on the surface, and drying by using a blower.
And S14, cladding the centrifugal roller on the centrifugal roller according to the process parameters of the step S9, wherein the number of cladding layers is 1.
And S15, cladding the centrifugal roller by 1 layer every day according to the process parameters of the step S10 after the step S14 is completed.
And S16, cladding the centrifugal roller according to the process parameters of the step S11 after the step S15 is completed, and cladding the centrifugal roller with 1 layer.
And S17, completing the cladding and the dismounting of the centrifugal roller after the step S16 is completed.
The embodiments of the present invention described above are the best embodiments, and are within the scope of the claims of the present invention as long as the embodiments employ equivalent replacement means and the like according to the principle of the present invention.
Claims (6)
1. The method for preparing the centrifugal roller by laser cladding is characterized by comprising the following specific steps of:
s1, performing sand blasting treatment on the blank working surface of the centrifugal roller to remove oxides and other impurities on the working surface of the blank and reduce the internal stress of the blank;
s2, preparing alloy laser cladding powder which simultaneously has high temperature resistance, wear resistance, scouring resistance and corrosion resistance as an outermost functional layer, wherein the alloy powder comprises the following components in percentage by mass: c: 0.90-1.40%, 28.00-30.00% of Cr, Fe: 0 to 3.00%, Mn 0 to 0.50%, Mo: 0 to 1.00%, Ni 0 to 3.00%, Si 0.70 to 1.55%, W: 3.50-5.50% and the balance of Co;
s3, preparing alloy laser cladding powder with corrosion resistance, wear resistance and scouring resistance as a base coat, wherein the base coat alloy powder comprises the following components in percentage by mass: c: 0.16-0.25%, Cr 12-14%, Si is less than or equal to 1%, Mn: less than or equal to 1 percent, S: less than or equal to 0.030 percent, P: less than or equal to 0.040 percent, and the balance being Fe;
s4, preparing alloy laser cladding powder which has the functions of high temperature resistance, corrosion resistance and scouring resistance at the same time as a transition layer between a priming layer and a functional layer, wherein the alloy powder of the transition layer comprises the following components in percentage by mass: c is less than or equal to 0.1 percent, Cr: 20% -23%, Mo: 8-10%, Nb 3.15-5.15%, Fe is less than or equal to 5%, Co is less than or equal to 1%, Mn: less than or equal to 0.5 percent, Si: less than or equal to 0.5 percent, S: less than or equal to 0.015 percent, P: less than or equal to 0.015 percent, Cu: less than or equal to 0.07 percent, Al: less than or equal to 0.4 percent, Ti: less than or equal to 0.4, and the balance of Ni;
s5, drying the prepared alloy powder in a drying furnace at the drying temperature of 70-100 ℃ for 2-3 h for later use;
s6, mounting the centrifugal roller subjected to sand blasting on a positioner;
s7, loading the alloy powder obtained in the step S3 and dried in the step S5 into a powder feeder, and adopting argon as carrier gas;
s8, the laser is a fiber laser, the maximum power of the fiber laser is 6KW, the light spot is a circular light spot, and the diameter of the light spot is 2-3 mm;
s9, carrying out powder laser cladding process debugging on the alloy powder obtained in the step S3 on a substrate with the same material as the centrifugal roller after the alloy powder is processed in the step S5, wherein the final process parameters are as follows: laser power: p =2.5KW, powder feeding amount: 13-16 g/h, the scanning speed v = 15-20 mm/s, the flow of protective gas is 25L/min, the flow of powder conveying gas is 6-7L/min, and the lap joint rate is 40-45%;
s10, carrying out debugging on the powder laser cladding process of the alloy powder processed in the step S4 through the step S5 on a substrate with the same material as the centrifugal roller, and cladding on the block subjected to cladding in the step S9 after debugging is finished;
s11, carrying out debugging on the powder laser cladding process of the alloy powder processed in the step S2 through the step S5 on a substrate with the same material as the centrifugal roller, and cladding on the block subjected to cladding in the step S10 after debugging is finished;
s12, performing nondestructive inspection, and starting cladding the centrifugal roller after no defect is found after the cladding speed is fast;
s13, cleaning the centrifugal roller installed in the step S6 by industrial alcohol, removing oil stains on the surface, and drying by a blower;
s14, cladding the centrifugal roller on the centrifugal roller according to the technological parameters of the step S9, wherein the number of cladding layers is 1;
s15, cladding the centrifugal roller by 1 layer every day according to the technological parameters of the step S10 after the step S14 is completed;
s16, cladding the centrifugal roller according to the technological parameters of the step S11 after the step S15 is completed, and cladding the centrifugal roller with 1 layer;
and S17, completing the cladding and the dismounting of the centrifugal roller after the step S16 is completed.
2. The method for preparing the centrifugal roller through laser cladding according to claim 1, wherein the centrifugal roller blank material in the step S1 is 20 steel.
3. The method for laser cladding of manufacturing a centrifugal roller according to claim 1, wherein the positioner in the step S6 is a two-axis positioner, which is rotatable and overturned.
4. The method for preparing the centrifugal roller by laser cladding according to claim 1, wherein the process debugging in the step of S9 is carried out, and the final process parameters are as follows: laser power: p =2.5KW, powder feeding amount: 13-16 g/h, the scanning speed v = 15-20 mm/s, the flow of protective gas is 25L/min, the flow of powder conveying gas is 6-7L/min, and the lap joint rate is 40-45%.
5. The method for preparing the centrifugal roller by laser cladding according to claim 1, wherein the block is clad in the step S10, and the final process parameters are as follows: laser power: p =2.5KW, powder feeding amount: 12-15 g/h, the scanning speed v = 15-20 mm/s, the protective gas flow rate is 27L/min, the powder conveying gas flow rate is 6-7L/min, and the overlapping rate is 40%.
6. The method for preparing the centrifugal roller by laser cladding according to claim 1, wherein the block is clad in the step S11, and the final process parameters are as follows: laser power: p =2.7KW, powder feeding amount: 12-15 g/h, the scanning speed v = 15-20 mm/s, the protective gas flow rate is 27L/min, the powder conveying gas flow rate is 6-7L/min, and the lap joint rate is 45%.
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| CN112410781A (en) * | 2020-11-18 | 2021-02-26 | 辽宁中成智造科技有限公司 | Centrifuge sieve plate strengthening process based on laser cladding technology |
| CN113235086A (en) * | 2021-05-11 | 2021-08-10 | 重庆工港致慧增材制造技术研究院有限公司 | Surface repairing method for air valve for ship engine |
| CN113564587A (en) * | 2021-08-18 | 2021-10-29 | 沈阳大陆激光先进制造技术创新有限公司 | High-temperature oxidation-resistant and press-in nodule-resistant functional layer alloy material for laser composite manufacturing furnace roller and process method |
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| CN115261850A (en) * | 2022-08-05 | 2022-11-01 | 沈阳大陆激光先进制造技术创新有限公司 | Laser cladding material for non-oxidation heat treatment furnace and manufacturing method |
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| CN112410781A (en) * | 2020-11-18 | 2021-02-26 | 辽宁中成智造科技有限公司 | Centrifuge sieve plate strengthening process based on laser cladding technology |
| CN113235086A (en) * | 2021-05-11 | 2021-08-10 | 重庆工港致慧增材制造技术研究院有限公司 | Surface repairing method for air valve for ship engine |
| CN113564587A (en) * | 2021-08-18 | 2021-10-29 | 沈阳大陆激光先进制造技术创新有限公司 | High-temperature oxidation-resistant and press-in nodule-resistant functional layer alloy material for laser composite manufacturing furnace roller and process method |
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| CN113637873A (en) * | 2021-08-18 | 2021-11-12 | 沈阳大陆激光先进制造技术创新有限公司 | Functional layer alloy material for remanufacturing minimum flow valve sealing surface by utilizing laser technology and preparation method of cover |
| CN113637872A (en) * | 2021-08-18 | 2021-11-12 | 沈阳大陆激光先进制造技术创新有限公司 | High-temperature oxidation resistant functional layer alloy material for laser composite manufacturing furnace roller and process method |
| CN116265608A (en) * | 2021-12-16 | 2023-06-20 | 中国石油天然气集团有限公司 | High-strength wear-resistant belt for titanium alloy drill rod joint and preparation method thereof |
| CN115261850A (en) * | 2022-08-05 | 2022-11-01 | 沈阳大陆激光先进制造技术创新有限公司 | Laser cladding material for non-oxidation heat treatment furnace and manufacturing method |
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