CN114959694A - Stomach wall cutting machinery hand - Google Patents
Stomach wall cutting machinery hand Download PDFInfo
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- CN114959694A CN114959694A CN202210737445.2A CN202210737445A CN114959694A CN 114959694 A CN114959694 A CN 114959694A CN 202210737445 A CN202210737445 A CN 202210737445A CN 114959694 A CN114959694 A CN 114959694A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 21
- 210000002784 stomach Anatomy 0.000 title description 2
- 238000000034 method Methods 0.000 claims abstract description 51
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000000758 substrate Substances 0.000 claims abstract description 50
- 239000000463 material Substances 0.000 claims abstract description 48
- 238000005253 cladding Methods 0.000 claims abstract description 34
- 239000000843 powder Substances 0.000 claims abstract description 32
- 238000012986 modification Methods 0.000 claims abstract description 29
- 230000004048 modification Effects 0.000 claims abstract description 29
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000004372 laser cladding Methods 0.000 claims abstract description 14
- 230000001360 synchronised effect Effects 0.000 claims abstract description 12
- 210000003815 abdominal wall Anatomy 0.000 claims abstract description 11
- 239000011812 mixed powder Substances 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims description 38
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- 238000005498 polishing Methods 0.000 claims description 30
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 24
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 20
- 239000002253 acid Substances 0.000 claims description 18
- 229910052786 argon Inorganic materials 0.000 claims description 12
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 10
- 238000002791 soaking Methods 0.000 claims description 9
- 238000005238 degreasing Methods 0.000 claims description 2
- 238000005554 pickling Methods 0.000 claims description 2
- 239000002131 composite material Substances 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 description 9
- 238000003754 machining Methods 0.000 description 8
- 239000002994 raw material Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000840 electrochemical analysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000012890 simulated body fluid Substances 0.000 description 1
- 239000010959 steel Substances 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/70—Manipulators specially adapted for use in surgery
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/04—Hardening by cooling below 0 degrees Celsius
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/067—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds comprising a particular metallic binder
-
- 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
-
- 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
- C22C38/06—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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Robotics (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Biomedical Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
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- General Health & Medical Sciences (AREA)
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- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention relates to an abdominal wall cutting manipulator. The method comprises the steps of carrying out surface modification on a substrate material of the abdominal wall cutting manipulator by selecting a laser cladding process and liquid nitrogen cryogenic treatment, wherein the laser cladding process selects mixed powder consisting of 40-50 parts by weight of ZrC, 10-15 parts by weight of Al, 10-29 parts by weight of B and 40-50 parts by weight of Fe, and prepares a composite cladding layer on the surface of the substrate by a synchronous powder feeding method, and then the composite cladding layer is subjected to cryogenic treatment for 120-150min under the condition of liquid nitrogen so as to further improve the wear resistance of the manipulator.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to an abdominal wall cutting manipulator.
Background
With the research and progress of the automation technology in the clinical medical field, the medical manipulator is gradually used in the operation process, and the manipulator can perform the operation which can be completed only by skilled doctors, so that the manipulator has huge application prospect in the medical field. However, since the fine medical manipulator is expensive to manufacture and the corrosion resistance and wear resistance directly determine the lifespan of the manipulator, it is necessary to research a medical manipulator having excellent corrosion resistance and wear resistance.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide the abdominal wall cutting manipulator which has excellent corrosion resistance and wear resistance.
The invention provides an abdominal wall cutting manipulator which is obtained by performing surface modification treatment on a stainless steel substrate material by using mixed powder, wherein the mixed powder comprises 40-50 parts by weight of ZrC, 10-15 parts by weight of Al, 10-29 parts by weight of B and 40-50 parts by weight of Fe.
Preferably, the surface modification treatment comprises liquid nitrogen cryogenic treatment.
Preferably, the surface modification treatment comprises:
sequentially carrying out oil removal, acid cleaning, polishing, cleaning and drying on a substrate material for later use;
selecting a laser cladding process to carry out surface modification on the substrate material, wherein the laser power in the cladding process is 1000-1200W, the scanning speed is 300-320mm/min, the powder feeding speed is 10-12g/min, the argon flow is 8-10L/min, and the spot diameter is 2-2.5mm, and the cladding process adopts a synchronous powder feeding method;
and soaking the substrate material subjected to surface modification in liquid nitrogen for cryogenic treatment, and taking out after the treatment for 120-150 minutes.
Preferably, the degreasing is performed by using 15% sodium hydroxide solution, the pickling is performed by using 20% hydrochloric acid solution, the polishing is performed in polishing solution containing alumina particles, the cleaning is performed by using ethanol solution and matching ultrasonic waves, and the drying is performed under the nitrogen condition.
Preferably, the laser power in the cladding process is 1000W, the scanning speed is 300mm/min, the powder feeding speed is 10g/min, the argon flow is 10L/min, and the spot diameter is 2 mm.
The method comprises the steps of carrying out surface modification on a substrate material of the abdominal wall cutting manipulator by selecting a laser cladding process and liquid nitrogen cryogenic treatment, wherein the laser cladding process selects mixed powder consisting of 40-50 parts by weight of ZrC, 10-15 parts by weight of Al, 10-29 parts by weight of B and 40-50 parts by weight of Fe, and prepares a composite cladding layer on the surface of the substrate by a synchronous powder feeding method, and then the composite cladding layer is subjected to cryogenic treatment for 120-150min under the condition of liquid nitrogen so as to further improve the wear resistance of the manipulator.
Detailed Description
The technical effects of the present invention are demonstrated below by specific examples, but the embodiments of the present invention are not limited thereto.
Example 1
Cutting stainless steel as substrate material into proper size by machining;
sequentially carrying out oil removal, acid cleaning, polishing, cleaning and drying on a substrate material for later use, wherein 15% of sodium hydroxide solution is selected for oil removal, 20% of hydrochloric acid solution is selected for acid cleaning, polishing is carried out in polishing solution containing alumina particles, ethanol solution is selected for cleaning and matched with ultrasonic waves, and drying is carried out under the condition of nitrogen;
carrying out surface modification on a substrate material by selecting a laser cladding process, wherein the laser power in the cladding process is 1000W, the scanning speed is 300mm/min, the powder feeding speed is 10g/min, the argon flow is 10L/min, the spot diameter is 2mm, the cladding process adopts a synchronous powder feeding method, and the cladding powder raw materials comprise 40 parts by weight of ZrC, 10 parts by weight of Al, 10 parts by weight of B and 40 parts by weight of Fe;
and soaking the substrate material subjected to surface modification in liquid nitrogen at the temperature of-196 ℃ for cryogenic treatment, and taking out the substrate material after 120 minutes of treatment.
Example 2
Cutting stainless steel as substrate material into proper size by machining;
sequentially carrying out oil removal, acid cleaning, polishing, cleaning and drying on a substrate material for later use, wherein 15% of sodium hydroxide solution is selected for oil removal, 20% of hydrochloric acid solution is selected for acid cleaning, polishing is carried out in polishing solution containing alumina particles, ethanol solution is selected for cleaning and matched with ultrasonic waves, and drying is carried out under the condition of nitrogen;
carrying out surface modification on a substrate material by selecting a laser cladding process, wherein the laser power in the cladding process is 1000W, the scanning speed is 300mm/min, the powder feeding speed is 10g/min, the argon flow is 10L/min, the spot diameter is 2mm, the cladding process adopts a synchronous powder feeding method, and the cladding powder raw materials comprise 40 parts by weight of ZrC, 10 parts by weight of Al, 13 parts by weight of B and 40 parts by weight of Fe;
and soaking the substrate material subjected to surface modification in liquid nitrogen at the temperature of-196 ℃ for cryogenic treatment, and taking out the substrate material after 120 minutes of treatment.
Example 3
Cutting stainless steel as substrate material into proper size by machining;
sequentially carrying out oil removal, acid cleaning, polishing, cleaning and drying on a substrate material for later use, wherein 15% of sodium hydroxide solution is selected for oil removal, 20% of hydrochloric acid solution is selected for acid cleaning, polishing is carried out in polishing solution containing alumina particles, ethanol solution is selected for cleaning and matched with ultrasonic waves, and drying is carried out under the condition of nitrogen;
carrying out surface modification on a substrate material by selecting a laser cladding process, wherein the laser power in the cladding process is 1000W, the scanning speed is 300mm/min, the powder feeding speed is 10g/min, the argon flow is 10L/min, the spot diameter is 2mm, the cladding process adopts a synchronous powder feeding method, and the cladding powder raw materials comprise 40 parts by weight of ZrC, 10 parts by weight of Al, 17 parts by weight of B and 40 parts by weight of Fe;
and soaking the substrate material subjected to surface modification in liquid nitrogen at the temperature of-196 ℃ for cryogenic treatment, and taking out the substrate material after 120 minutes of treatment.
Example 4
Cutting stainless steel as substrate material into proper size by machining;
sequentially carrying out oil removal, acid cleaning, polishing, cleaning and drying on a substrate material for later use, wherein 15% of sodium hydroxide solution is selected for oil removal, 20% of hydrochloric acid solution is selected for acid cleaning, polishing is carried out in polishing solution containing alumina particles, ethanol solution is selected for cleaning and matched with ultrasonic waves, and drying is carried out under the condition of nitrogen;
carrying out surface modification on a substrate material by selecting a laser cladding process, wherein the laser power in the cladding process is 1000W, the scanning speed is 300mm/min, the powder feeding speed is 10g/min, the argon flow is 10L/min, the spot diameter is 2mm, the cladding process adopts a synchronous powder feeding method, and the cladding powder raw materials comprise 40 parts by weight of ZrC, 10 parts by weight of Al, 25 parts by weight of B and 40 parts by weight of Fe;
and soaking the substrate material subjected to surface modification in liquid nitrogen at the temperature of-196 ℃ for cryogenic treatment, and taking out the substrate material after 120 minutes of treatment.
Example 5
Cutting stainless steel as substrate material into proper size by machining;
sequentially carrying out oil removal, acid cleaning, polishing, cleaning and drying on a substrate material for later use, wherein 15% of sodium hydroxide solution is selected for oil removal, 20% of hydrochloric acid solution is selected for acid cleaning, polishing is carried out in polishing solution containing alumina particles, ethanol solution is selected for cleaning and matched with ultrasonic waves, and drying is carried out under the condition of nitrogen;
carrying out surface modification on a substrate material by selecting a laser cladding process, wherein the laser power in the cladding process is 1000W, the scanning speed is 300mm/min, the powder feeding speed is 10g/min, the argon flow is 10L/min, the spot diameter is 2mm, the cladding process adopts a synchronous powder feeding method, and the cladding powder raw materials comprise 40 parts by weight of ZrC, 10 parts by weight of Al, 29 parts by weight of B and 40 parts by weight of Fe;
and soaking the substrate material subjected to surface modification in liquid nitrogen at the temperature of-196 ℃ for cryogenic treatment, and taking out the substrate material after 120 minutes of treatment.
Comparative example 1
Cutting stainless steel as substrate material into proper size by machining;
sequentially carrying out oil removal, acid cleaning, polishing, cleaning and drying on a substrate material for later use, wherein 15% sodium hydroxide solution is selected for oil removal, 20% hydrochloric acid solution is selected for acid cleaning, polishing is carried out in polishing solution containing alumina particles, ethanol solution is selected for cleaning and matched with ultrasonic waves, and drying is carried out under the condition of nitrogen;
carrying out surface modification on a substrate material by selecting a laser cladding process, wherein the laser power in the cladding process is 1000W, the scanning speed is 300mm/min, the powder feeding speed is 10g/min, the argon flow is 10L/min, the spot diameter is 2mm, the cladding process adopts a synchronous powder feeding method, and the cladding powder raw materials comprise 40 parts by weight of ZrC, 10 parts by weight of Al, 3 parts by weight of B and 40 parts by weight of Fe;
and soaking the substrate material subjected to surface modification in liquid nitrogen at the temperature of-196 ℃ for cryogenic treatment, and taking out the substrate material after 120 minutes of treatment.
Comparative example 2
Cutting stainless steel as substrate material into proper size by machining;
sequentially carrying out oil removal, acid cleaning, polishing, cleaning and drying on a substrate material for later use, wherein 15% of sodium hydroxide solution is selected for oil removal, 20% of hydrochloric acid solution is selected for acid cleaning, polishing is carried out in polishing solution containing alumina particles, ethanol solution is selected for cleaning and matched with ultrasonic waves, and drying is carried out under the condition of nitrogen;
carrying out surface modification on a substrate material by selecting a laser cladding process, wherein the laser power in the cladding process is 1000W, the scanning speed is 300mm/min, the powder feeding speed is 10g/min, the argon flow is 10L/min, the spot diameter is 2mm, the cladding process adopts a synchronous powder feeding method, and the cladding powder raw materials comprise 40 parts by weight of ZrC, 10 parts by weight of Al, 50 parts by weight of B and 40 parts by weight of Fe;
and soaking the substrate material subjected to surface modification in liquid nitrogen at the temperature of-196 ℃ for cryogenic treatment, and taking out the substrate material after 120 minutes of treatment.
Comparative example 3
Cutting stainless steel as substrate material into proper size by machining;
sequentially carrying out oil removal, acid cleaning, polishing, cleaning and drying on a substrate material for later use, wherein 15% of sodium hydroxide solution is selected for oil removal, 20% of hydrochloric acid solution is selected for acid cleaning, polishing is carried out in polishing solution containing alumina particles, ethanol solution is selected for cleaning and matched with ultrasonic waves, and drying is carried out under the condition of nitrogen;
carrying out surface modification on a substrate material by selecting a laser cladding process, wherein the laser power in the cladding process is 1000W, the scanning speed is 300mm/min, the powder feeding speed is 10g/min, the argon flow is 10L/min, the spot diameter is 2mm, the cladding process adopts a synchronous powder feeding method, and the cladding powder raw materials comprise 40 parts by weight of ZrC, 10 parts by weight of Al, 17 parts by weight of B and 40 parts by weight of Fe;
the inventors tested the corrosion resistance and wear resistance of the samples of examples 1 to 5 and comparative examples 1 to 3 as follows:
and (3) corrosion resistance testing: performing electrochemical test on each sample in simulated body fluid by adopting an electrochemical workstation, sealing a non-working surface by using nail polish, and performing test in a room temperature environment;
and (3) wear resistance test: the wear resistance of each sample is evaluated by adopting a CETR-3 type friction wear testing machine, the load is 5N, the friction pair is a GCr15 steel ball with the diameter of 5mm, the friction frequency is 8Hz, the friction stroke is 3mm, the friction time is 90min, and the mass before and after the wear is weighed by an electronic balance to calculate the wear loss.
The test results of each sample are shown in table 1, in which "√" indicates excellent, "√" indicates acceptable, and "×" indicates unacceptable. Wherein the self-corrosion current density is less than 2.0 x 10 -7 A·cm -2 The rating is excellent, and the self-corrosion current density is between 2.0 x 10 -7 A·cm -2 -5.0*10 -7 A·cm -2 Rated as pass between, the self-corrosion current density was greater than 5.0 x 10 -7 A·cm -2 Grade as unqualified; the grade of the abrasion loss is excellent when the abrasion loss is less than 0.5mg, the grade of the abrasion loss is qualified when the abrasion loss is between 0.5 and 1.0mg, and the grade of the abrasion loss is unqualified when the abrasion loss is more than 1.0 mg.
Table 1 experimental data for each sample
| Number of | Corrosion resistance | Amount of wear |
| Example 1 | ○ | ○ |
| Example 2 | √ | ○ |
| Example 3 | √ | √ |
| Example 4 | √ | √ |
| Example 5 | √ | √ |
| Comparative example 1 | √ | × |
| Comparative example 2 | ○ | × |
| Comparative example 3 | √ | ○ |
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The abdominal wall cutting manipulator is characterized by being obtained by carrying out surface modification treatment on a stainless steel substrate material by using mixed powder, wherein the mixed powder comprises 40-50 parts by weight of ZrC, 10-15 parts by weight of Al, 10-29 parts by weight of B and 40-50 parts by weight of Fe.
2. The abdominal wall cutting manipulator according to claim 1, wherein the surface modification treatment comprises a liquid nitrogen cryogenic treatment.
3. An abdominal wall cutting manipulator according to claim 1 or 2, wherein the surface modification treatment comprises:
sequentially carrying out oil removal, acid cleaning, polishing, cleaning and drying on the substrate material for later use;
selecting a laser cladding process to carry out surface modification on the substrate material, wherein the laser power in the cladding process is 1000-1200W, the scanning speed is 300-320mm/min, the powder feeding speed is 10-12g/min, the argon flow is 8-10L/min, and the spot diameter is 2-2.5mm, and the cladding process adopts a synchronous powder feeding method;
and soaking the substrate material subjected to surface modification in liquid nitrogen for cryogenic treatment, and taking out after the treatment for 120-150 minutes.
4. The abdominal wall cutting manipulator according to claim 3, wherein the degreasing is performed by using 15% sodium hydroxide solution, the pickling is performed by using 20% hydrochloric acid solution, the polishing is performed in polishing solution containing alumina particles, the cleaning is performed by using ethanol solution and matching ultrasonic waves, and the drying is performed under nitrogen.
5. The abdominal wall cutting manipulator as claimed in claim 3, wherein the laser power of the cladding process is 1000W, the scanning speed is 300mm/min, the powder feeding speed is 10g/min, the argon flow is 10L/min, and the spot diameter is 2 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210737445.2A CN114959694B (en) | 2022-06-27 | 2022-06-27 | Abdominal wall cutting manipulator |
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|---|---|---|---|
| CN202210737445.2A CN114959694B (en) | 2022-06-27 | 2022-06-27 | Abdominal wall cutting manipulator |
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