CN115627521A - Method and system for reducing surface roughness of alloy part - Google Patents
Method and system for reducing surface roughness of alloy part Download PDFInfo
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- CN115627521A CN115627521A CN202211311045.1A CN202211311045A CN115627521A CN 115627521 A CN115627521 A CN 115627521A CN 202211311045 A CN202211311045 A CN 202211311045A CN 115627521 A CN115627521 A CN 115627521A
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- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 75
- 239000000956 alloy Substances 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000003746 surface roughness Effects 0.000 title claims abstract description 25
- 238000005498 polishing Methods 0.000 claims abstract description 268
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 16
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 28
- 229910000838 Al alloy Inorganic materials 0.000 claims description 18
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 18
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 18
- 239000010935 stainless steel Substances 0.000 claims description 18
- 229910001220 stainless steel Inorganic materials 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 16
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 16
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 16
- 229910052759 nickel Inorganic materials 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 claims description 10
- 229910000601 superalloy Inorganic materials 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000007517 polishing process Methods 0.000 claims description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 8
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 8
- MIMUSZHMZBJBPO-UHFFFAOYSA-N 6-methoxy-8-nitroquinoline Chemical compound N1=CC=CC2=CC(OC)=CC([N+]([O-])=O)=C21 MIMUSZHMZBJBPO-UHFFFAOYSA-N 0.000 claims description 4
- 235000019270 ammonium chloride Nutrition 0.000 claims description 4
- 239000011780 sodium chloride Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 13
- 239000007769 metal material Substances 0.000 abstract description 2
- 238000004381 surface treatment Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 100
- 238000001035 drying Methods 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 230000006378 damage Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 229910000905 alloy phase Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 150000002843 nonmetals Chemical class 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/16—Polishing
- C25F3/22—Polishing of heavy metals
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/16—Polishing
- C25F3/18—Polishing of light metals
- C25F3/20—Polishing of light metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/16—Polishing
- C25F3/22—Polishing of heavy metals
- C25F3/24—Polishing of heavy metals of iron or steel
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/16—Polishing
- C25F3/22—Polishing of heavy metals
- C25F3/26—Polishing of heavy metals of refractory metals
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F7/00—Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects; Servicing or operating
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- ing And Chemical Polishing (AREA)
Abstract
The invention belongs to the field of surface treatment of metal materials, and discloses a method and a system for reducing the surface roughness of alloy parts, wherein the method comprises the steps of preparing polishing solution according to the types of alloys; heating the polishing solution to above 70 ℃ by using steam; and polishing the alloy part by using the heated polishing liquid. According to the invention, the corresponding polishing solution is prepared according to the type of the alloy, and the polishing device and the corresponding polishing parameters are combined to achieve the alloy polishing effect with high efficiency, low cost and safety.
Description
Technical Field
The invention belongs to the field of surface treatment of metal materials, and particularly relates to a method and a system for reducing the surface roughness of alloy parts.
Background
The alloy is a substance with metal characteristics, which is synthesized by two or more metals and metals or nonmetals through a certain method. Therefore, various alloy phases are formed by combining various elements and can meet various different performance requirements through proper treatment, however, burrs and tool marks are easy to generate on the surface of the alloy after the procedures of numerical control processing, rolling, forging and pressing and the like, the mechanical properties of parts are seriously influenced, and the use requirements in high-end fields cannot be met.
At present, the traditional methods for reducing the surface roughness of the alloy are mainly mechanical grinding and chemical corrosion. Mechanical polishing is to strike off projections on the surface of a workpiece by adopting modes of impact, friction and the like through a specific tool so as to achieve the effect of reducing the surface roughness, the method has low working efficiency, is easy to generate dust pollution, and is difficult to control the quality stability, and chemical corrosion is to achieve the purpose of reducing the roughness by utilizing an acid solution to perform chemical reaction with the surface of an alloy, but the acid solution has strong corrosivity to a human body and is extremely not environment-friendly. Therefore, it is necessary to develop a healthy, environment-friendly, efficient and low-cost method for reducing the surface roughness of the alloy.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a method and a system for reducing the surface roughness of alloy parts, which are used for preparing corresponding polishing solution according to the types of alloys and achieving the effects of efficient, low-cost and safe alloy polishing by combining a polishing device and corresponding polishing parameters.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for reducing the surface roughness of an alloy part comprises the following steps:
preparing polishing solution according to the type of the alloy;
heating the polishing solution to above 70 ℃ by using steam;
and polishing the alloy part by using the heated polishing solution.
Through using steam heating mode heating polishing solution, effectively avoided heating end contact polishing solution to prevent in long-time use, harmful ion harm heating end.
Further, the alloy comprises: copper alloys, titanium alloys, nickel-base superalloys, aluminum alloys, stainless steel, and steel No. 45.
Further, the polishing solution comprises copper alloy polishing solution, titanium alloy polishing solution, nickel-based superalloy polishing solution, aluminum alloy polishing solution, stainless steel polishing solution and No. 45 steel polishing solution.
Further, the method for preparing the polishing solution according to the alloy type comprises the following steps:
uniformly mixing 2-6 wt% of ammonium sulfate, 1-3 wt% of citric acid and water to prepare copper alloy polishing solution;
uniformly mixing 1-5 wt% of ammonium sulfate, 0.5-2 wt% of ammonium bifluoride and water to prepare titanium alloy polishing solution;
uniformly mixing 2-5 wt% of ammonium sulfate, 0.2-1 wt% of citric acid and water to prepare nickel-based superalloy polishing solution;
1-5 wt% of sodium chloride and water are uniformly mixed to prepare an aluminum alloy polishing solution;
uniformly mixing 1-6 wt% of ammonium sulfate, 0.5-4 wt% of citric acid and water to prepare stainless steel polishing solution;
1-6 wt% of ammonium chloride and water are mixed evenly to prepare No. 45 steel polishing solution.
Preparing corresponding polishing solution according to the type of the alloy, and combining a polishing device and corresponding polishing parameters to achieve the alloy polishing effect with high efficiency and low cost; by adopting the low-concentration neutral salt solution as the polishing solution, the polishing solution has little harm to human and environment, and is very suitable for the industrial continuous production of workpiece surface finishing treatment.
Further, before the alloy is polished by the heated polishing solution, stains on the surfaces of alloy parts are cleaned, and the cleaning mode comprises ultrasonic vibration and high-pressure jet.
Further, polishing the alloy component with the heated polishing solution, comprising:
setting the polishing voltage to 300-500V, setting the polishing time to 1-10 min, and controlling the temperature of the polishing solution to be above 70 ℃ in the polishing process 。
Further, polishing the alloy part with the heated polishing liquid comprises:
the polishing current is output by adopting a constant current, and the rated current is 300A.
On the other hand, the invention also discloses a system for reducing the surface roughness of the alloy part, which comprises a steam generating device, a polishing device and a polishing solution configuration device;
the polishing solution preparation device is used for preparing polishing solution according to the alloy type;
the steam generating device is used for generating steam to heat the polishing solution to more than 70 ℃;
the polishing device is used for polishing the alloy parts by matching with the heated polishing liquid.
Further, the polishing device comprises a polishing groove, a hanger and a power supply control system;
the polishing tank is used for containing polishing solution;
the hanger is used for fixing the alloy parts to be polished;
the power control system is used to control the polishing voltage and current.
Furthermore, the steam generating device and the polishing device are both connected with a steam circulating pump, and the steam circulating pump is used for circulating steam between the steam generating device and a polishing groove of the polishing device.
The invention has the technical effects and advantages that:
the polishing device and the polishing method have the advantages that the corresponding polishing solution is prepared according to the type of the alloy, and the polishing device and the corresponding polishing parameters are combined to achieve the alloy polishing effect with high efficiency and low cost; by adopting the low-concentration neutral salt solution as the polishing solution, the polishing solution has little harm to people and environment and is very suitable for the industrial continuous production of the surface finishing treatment of the workpiece; through using steam heating mode heating polishing solution, effectively avoided heating end contact polishing solution to prevent in long-time use, harmful ion harm heating end.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
FIG. 1 is a flow chart of a method for reducing surface roughness of an alloy part according to the present invention;
FIG. 2 is a system architecture diagram for reducing surface roughness of an alloy component in accordance with the present invention;
FIG. 3 is a schematic view of the structure of the polishing apparatus of the present invention;
description of the drawings: 1. a steam generating device; 2. a polishing device; 21. a polishing tank; 22. a hanger; 23. a power supply control system; 3. a steam circulation pump; 4. polishing solution preparation facilities.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Fig. 1 is a flowchart of a method for reducing surface roughness of an alloy part according to the present invention, and as shown in fig. 1, the present invention provides a method for reducing surface roughness of an alloy part, including:
preparing polishing solution according to the type of the alloy;
heating the polishing solution to above 70 ℃ by using steam;
and polishing the alloy part by using the heated polishing liquid.
Specifically, the alloy includes: copper alloys, titanium alloys, nickel-base superalloys, aluminum alloys, stainless steel, and steel No. 45.
Further, the polishing solution comprises copper alloy polishing solution, titanium alloy polishing solution, nickel-based superalloy polishing solution, aluminum alloy polishing solution, stainless steel polishing solution and No. 45 steel polishing solution.
Further, the preparing the polishing solution according to the alloy type includes:
uniformly mixing 2-6 wt% of ammonium sulfate, 1-3 wt% of citric acid and water to prepare copper alloy polishing solution;
uniformly mixing 1-5 wt% of ammonium sulfate, 0.5-2 wt% of ammonium bifluoride and water to prepare titanium alloy polishing solution;
evenly mixing 2-5 wt% of ammonium sulfate, 0.2-1 wt% of citric acid and water to prepare a nickel-based superalloy polishing solution;
1-5 wt% of sodium chloride and water are uniformly mixed to prepare an aluminum alloy polishing solution;
uniformly mixing 1-6 wt% of ammonium sulfate, 0.5-4 wt% of citric acid and water to prepare stainless steel polishing solution;
1-6 wt% of ammonium chloride and water are mixed evenly to prepare No. 45 steel polishing solution.
Furthermore, before the alloy parts are polished by the heated polishing solution, dirt on the surfaces of the alloy parts is cleaned by ultrasonic vibration or high-pressure jet, and the dirt is prevented from being mixed into the polishing solution to influence the polishing effect.
Further, the polishing solution is heated to more than 70 ℃ by utilizing steam, so that the heating end is prevented from contacting with the polishing solution, and harmful ions damage the heating end in the long-time use process.
Further, setting the polishing voltage to be 300-380V, setting the polishing time to be 1-10 min, outputting the polishing current by adopting a constant current, starting polishing at a rated current of 300A, and controlling the temperature of the polishing solution to be above 70 ℃ by continuously introducing steam in the polishing process.
On the other hand, the invention also discloses a system for reducing the surface roughness of the alloy part, and fig. 2 is a system architecture diagram for reducing the surface roughness of the alloy part, as shown in fig. 2, the system comprises a steam generating device 1, a polishing device 2 and a polishing solution configuration device 4;
the polishing solution preparation device 4 is used for preparing polishing solution according to the type of the alloy;
the steam generating device 1 is used for heating the polishing solution;
the polishing device 2 is used for polishing the alloy parts by matching with the heated polishing liquid.
Further, the steam generating device 1 and the polishing device 2 are both connected to a steam circulating pump 3 for circulating steam between the steam generating device 1 and the polishing bath 21.
Further, fig. 3 is a schematic structural diagram of the polishing apparatus 2 of the present invention, and as shown in fig. 3, the polishing apparatus 2 includes a polishing tank 21, a hanger 22 and a power control system 23;
the polishing tank 21 is used for containing polishing liquid;
the hanger 22 is used for fixing the alloy parts to be polished;
the power control system 23 is used to control the polishing operation voltage and current.
Example 1
S1, cleaning away surface stains of the copper alloy parts by adopting ultrasonic vibration, and preventing the stains from being mixed into polishing liquid to influence polishing effect.
S2, uniformly mixing 2-6 wt% of ammonium sulfate, 1-3 wt% of citric acid and water in a polishing solution preparation device 4 to prepare a copper alloy polishing solution, and feeding the copper alloy polishing solution into a polishing tank 21.
S3, connecting the polishing tank 21 with the steam generating device 1, opening a steam valve when the steam pressure reaches above 0.4MPa, bringing the steam into the polishing tank 21 by using the steam circulating pump 3, and heating the copper alloy polishing solution to above 70 ℃.
S4, fixing the copper alloy parts on the hanger 22 and placing the copper alloy parts into the polishing groove 21, setting the polishing voltage to be 300-380V through the power supply control system 23, setting the polishing time to be 1-10 min, setting the polishing current to be constant current output and rated current to be 300A, starting polishing, and controlling the temperature of the copper alloy polishing solution to be above 70 ℃ through continuously introducing steam in the polishing process.
And S5, after polishing is finished, washing away the copper alloy polishing solution on the surface of the copper alloy part by using clear water, and drying water stains by using compressed air.
Example 2
S1, cleaning surface stains of the titanium alloy parts by adopting ultrasonic vibration, and preventing the stains from being mixed into polishing liquid to influence polishing effect.
S2, uniformly mixing 1-5 wt% of ammonium sulfate, 0.5-2 wt% of ammonium bifluoride and water in a polishing solution preparation device 4 to prepare titanium alloy polishing solution, and feeding the titanium alloy polishing solution into a polishing tank 21.
S3, connecting the polishing tank 21 with the steam generating device 1, opening a steam valve when the steam pressure reaches above 0.4MPa, bringing the steam into the polishing tank 21 by using the steam circulating pump 3, and heating the titanium alloy polishing solution to above 70 ℃.
S4, fixing the titanium alloy parts on the hanger 22 and placing the titanium alloy parts into the polishing groove 21, setting the polishing voltage to be 350-500V through the power supply control system 23, setting the polishing time to be 1-10 min, setting the polishing current to be constant current output and rated current to be 300A, starting polishing, and controlling the temperature of the titanium alloy polishing solution to be above 70 ℃ through continuously introducing steam in the polishing process.
And S5, after polishing is finished, washing away titanium alloy polishing solution on the surface of the titanium alloy part by using clean water, and drying water stain by using compressed air.
Example 3
S1, cleaning surface stains of the nickel-based high-temperature alloy parts by adopting ultrasonic vibration, and preventing the stains from being mixed into polishing liquid to influence polishing effect.
S2, uniformly mixing 2-5 wt% of ammonium sulfate, 0.2-1 wt% of citric acid and water in a polishing solution preparation device 4 to prepare the nickel-based superalloy polishing solution, and feeding the nickel-based superalloy polishing solution into a polishing tank 21.
S3, connecting the polishing tank 21 with the steam generating device 1, opening a steam valve when the steam pressure reaches above 0.4MPa, bringing the steam into the polishing tank 21 by using the steam circulating pump 3, and heating the nickel-based high-temperature alloy polishing solution to above 70 ℃.
S4, fixing the nickel-based high-temperature alloy parts on a hanger 22 and placing the parts into a polishing groove 21, setting the polishing voltage to be 300-380V through a power supply control system 23, setting the polishing time to be 1-10 min, setting the polishing current to be constant current output and rated current to be 300A, starting polishing, and controlling the temperature of the nickel-based high-temperature alloy polishing liquid to be above 70 ℃ through continuously introducing steam in the polishing process.
And S5, after polishing is finished, washing away the nickel-based high-temperature alloy polishing solution on the surface of the nickel-based high-temperature alloy part by using clear water, and drying water stains by using compressed air.
Example 4
S1, cleaning surface stains of the aluminum alloy parts by adopting ultrasonic vibration, and preventing the stains from being mixed into polishing liquid to influence polishing effect.
S2, uniformly mixing 1-5 wt% of sodium chloride and water in a polishing solution preparation device 4 to prepare an aluminum alloy polishing solution, and feeding the aluminum alloy polishing solution into a polishing tank 21.
S3, connecting the polishing tank 21 with the steam generating device 1, opening a steam valve when the steam pressure reaches above 0.4MPa, bringing the steam into the polishing tank by using the steam circulating pump 3, and heating the aluminum alloy polishing solution to above 70 ℃.
S4, fixing the aluminum alloy parts on the hanger 22 and placing the aluminum alloy parts into the polishing groove 21, setting the polishing voltage to be 300-400V through the power supply control system 23, setting the polishing time to be 1-10 min, setting the polishing current to be constant current output and rated current to be 300A, starting polishing, and controlling the temperature of the aluminum alloy polishing solution to be above 70 ℃ through continuously introducing steam in the polishing process.
And S5, after polishing is finished, washing away the aluminum alloy polishing solution on the surface of the aluminum alloy part by using clear water, and drying water stains by using compressed air.
Example 5
S1, cleaning up surface stains of stainless steel parts by adopting ultrasonic vibration, and preventing the stains from being mixed into polishing liquid to influence polishing effect.
S2, uniformly mixing 1-6 wt% of ammonium sulfate, 0.5-4 wt% of citric acid and water in a polishing solution preparation device 4 to prepare a stainless steel polishing solution, and feeding the stainless steel polishing solution into a polishing tank 21.
S3, connecting the polishing tank 21 with the steam generating device 1, opening a steam valve when the steam pressure reaches above 0.4MPa, bringing the steam into the polishing tank 21 by using the steam circulating pump 3, and heating the stainless steel polishing solution to above 70 ℃.
S4, fixing the stainless steel parts on the hanger 22 and placing the stainless steel parts into the polishing groove 21, setting the polishing voltage to be 350-400V through the power supply control system 23, setting the polishing time to be 1-10 min, setting the polishing current to be constant current output and rated current to be 300A, starting polishing, and controlling the temperature of the stainless steel polishing solution to be above 70 ℃ through continuously introducing steam in the polishing process.
And S5, after polishing is finished, washing away the stainless steel polishing solution on the surface of the stainless steel part by using clear water, and drying water stains by using compressed air.
Example 6
S1, cleaning surface stains of the No. 45 steel parts by adopting ultrasonic vibration, and preventing the stains from being mixed into polishing liquid to influence polishing effect.
S2, uniformly mixing 1-6 wt% of ammonium chloride and water in a polishing solution preparation device 4 to prepare No. 45 steel polishing solution, and feeding the No. 45 steel polishing solution into a polishing tank 21.
S3, connecting the polishing tank 21 with the steam generating device 1, opening a steam valve when the steam pressure reaches above 0.4MPa, bringing the steam into the polishing tank 21 by using the steam circulating pump 3, and heating the No. 45 steel polishing solution to above 70 ℃.
S4, fixing the No. 45 steel parts on the hanger 22 and placing the parts into the polishing groove 21, setting the polishing voltage to be 300-350V by the power supply control system 23, setting the polishing time to be 1-10 min, setting the polishing current to be constant current output and rated current to be 300A, starting polishing, and controlling the temperature of the No. 45 steel polishing solution to be above 70 ℃ by continuously introducing steam in the polishing process.
And S5, after polishing is finished, washing away the No. 45 steel polishing solution on the surface of the No. 45 steel part by using clear water, and drying water stains by using compressed air.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. A method of reducing surface roughness of an alloy component, the method comprising the steps of:
preparing polishing solution according to the type of the alloy;
heating the polishing solution to above 70 ℃ by using steam;
and polishing the alloy part by using the heated polishing liquid.
2. The method for reducing the surface roughness of an alloy part according to claim 1,
the alloy comprises: copper alloys, titanium alloys, nickel-base superalloys, aluminum alloys, stainless steel, and steel No. 45.
3. The method for reducing the surface roughness of the alloy part according to claim 1, wherein the method comprises the following steps:
the polishing solution comprises copper alloy polishing solution, titanium alloy polishing solution, nickel-based high-temperature alloy polishing solution, aluminum alloy polishing solution, stainless steel polishing solution and No. 45 steel polishing solution.
4. The method for reducing the surface roughness of the alloy part according to claim 1, wherein the step of preparing the polishing solution according to the alloy type comprises the following steps:
uniformly mixing 2-6 wt% of ammonium sulfate, 1-3 wt% of citric acid and water to prepare copper alloy polishing solution;
uniformly mixing 1-5 wt% of ammonium sulfate, 0.5-2 wt% of ammonium bifluoride and water to prepare titanium alloy polishing solution;
uniformly mixing 2-5 wt% of ammonium sulfate, 0.2-1 wt% of citric acid and water to prepare nickel-based superalloy polishing solution;
1-5 wt% of sodium chloride and water are uniformly mixed to prepare an aluminum alloy polishing solution;
uniformly mixing 1-6 wt% of ammonium sulfate, 0.5-4 wt% of citric acid and water to prepare stainless steel polishing solution;
1-6 wt% of ammonium chloride and water are mixed evenly to prepare No. 45 steel polishing solution.
5. A method of reducing surface roughness of an alloy component as claimed in claim 1, comprising, prior to polishing the alloy with the heated polishing fluid:
cleaning the stains on the surfaces of the alloy parts in a cleaning mode comprising ultrasonic vibration and high-pressure jet.
6. The method for reducing the surface roughness of the alloy part according to claim 1 or 5, wherein the polishing the alloy part with the heated polishing solution comprises:
setting the polishing voltage to 300-500V, setting the polishing time to 1-10 min, and controlling the temperature of the polishing solution to be above 70 ℃ in the polishing process 。
7. The method of claim 6, wherein polishing the alloy component with the heated polishing fluid comprises:
the polishing current is output by adopting a constant current, and the rated current is 300A.
8. The system for reducing the surface roughness of the alloy parts is characterized by comprising a steam generating device (1), a polishing device (2) and a polishing solution preparing device (4);
the polishing solution preparation device (4) is used for preparing polishing solution according to the alloy type;
the steam generating device (1) is used for generating steam to heat the polishing solution to more than 70 ℃;
the polishing device (2) is used for polishing the alloy parts by matching with the heated polishing liquid.
9. A system for reducing surface roughness of an alloy component according to claim 8 or claim, wherein:
the polishing device comprises a polishing groove (21), a hanger (22) and a power supply control system (23);
the polishing tank (21) is used for containing polishing liquid;
the hanger (22) is used for fixing an alloy part to be polished;
the power control system (23) is used for controlling the polishing voltage and current.
10. A system for reducing surface roughness of an alloy component according to any one of claims 8 or 9, wherein:
the steam generating device (1) and the polishing device (2) are both connected with a steam circulating pump (3), and the steam circulating pump (3) is used for circulating steam between the steam generating device (1) and a polishing groove (21) of the polishing device (2).
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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