CN115533089A - Printing water jacket of cosmetic bottle cap mold based on additive manufacturing technology and preparation method thereof - Google Patents
Printing water jacket of cosmetic bottle cap mold based on additive manufacturing technology and preparation method thereof Download PDFInfo
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- CN115533089A CN115533089A CN202211251119.7A CN202211251119A CN115533089A CN 115533089 A CN115533089 A CN 115533089A CN 202211251119 A CN202211251119 A CN 202211251119A CN 115533089 A CN115533089 A CN 115533089A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/12—Metallic powder containing non-metallic particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
- B22F1/052—Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/065—Spherical particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The application relates to the technical field of additive manufacturing, in particular to a printing water jacket of a cosmetic bottle cap mold based on additive manufacturing technology and a preparation method thereof. A printing water jacket of a cosmetic bottle cap mold based on an additive manufacturing technology is mainly prepared by adopting a special spherical powder alloy and an additive auxiliary additive through the additive manufacturing technology, wherein the mass ratio of the special spherical powder alloy to the additive auxiliary additive is 100: (0.4-1.2); the additive auxiliary agent is at least one of cubic boron nitride, micro-nano tantalum silicide powder and nano aluminum nitride, nano titanium nitride and nano vanadium nitride. The water cooling hole has the advantages of relatively good toughness, difficulty in generating cracks at the water cooling hole and good use stability.
Description
Technical Field
The application relates to the technical field of additive manufacturing, in particular to a printing water jacket of a cosmetic bottle cap mold based on additive manufacturing technology and a preparation method of the printing water jacket.
Background
The printing water jacket of the cosmetic bottle cap mold is internally provided with a nonlinear cooling water channel or a three-dimensional cooling water channel which plays a role in heat dissipation, so that the conventional machining preparation is time-consuming and labor-consuming. The printing water jacket of the cosmetic bottle cap mold is generally manufactured by an additive manufacturing process, such as a Selective Laser Melting (SLM) method.
When the SLM type 3D printer is adopted to perform additive manufacturing of the printing water jacket of the cosmetic bottle cap mold, only the upper surface of a formed product is rapidly heated, and after cooling, residual tensile stress exists on the upper surface of the formed product, so that the formed product is easy to deform and the processing problem of downward protrusion is caused. For this reason, maraging steel powder is generally used as additive manufacturing powder for the printing water jacket of cosmetic bottle cap molds. The applicant finds that the above scheme has the following defects in the actual production process: the printing water jacket of the cosmetic bottle cap mold has low heat conductivity, so that the overall low cooling efficiency is low, and cracks are easily generated at the water cooling hole to influence the quality of a finally sold product.
Disclosure of Invention
In order to solve the problems that the overall low cooling efficiency is low due to low thermal conductivity in the prior art, and the quality of a finally sold product is affected by the fact that cracks are easily generated at the water cooling hole, the application provides a printing water jacket of a cosmetic bottle cap mold based on an additive manufacturing technology and a preparation method thereof.
In a first aspect, the application provides a printing water jacket of a cosmetic bottle cap mold based on an additive manufacturing technology, which is realized by the following technical scheme:
a printing water jacket of a cosmetic bottle cap mold based on an additive manufacturing technology is mainly prepared by adopting a special spherical powder alloy and an additive auxiliary additive through the additive manufacturing technology; the mass ratio of the special spherical powder alloy to the additive auxiliary agent is 100: (0.4-1.2); the special spherical powder alloy comprises the following chemical components in percentage by weight: c: <0.02%; si:0.5-2.0%; cr:10.0 to 16.0 percent; mo:0.1 to 0.5 percent; 4 to 8 percent of Ni; co:8 to 15 percent; v:0.02-0.1%; ta:0.01 to 0.3 percent; the contents of P, S and B are lower than 0.015 percent; the balance of iron and inevitable impurity elements; the additive auxiliary agent is cubic boron nitride, micro-nano tantalum silicide powder and at least one of nano aluminum nitride, nano titanium nitride and nano vanadium nitride.
Co in the special spherical powder alloy forms a Ni-rich precipitated phase as an entropy alloy element during tempering, and Ta and Ni form Ni 3 Ta，Ni 3 Ta has thermodynamic stability, shows excellent extensibility in the aspect of elastic performance, and can improve the condition that cracks are easy to generate at the water cooling hole to a certain extent. Mo accelerates the enrichment of a Cr passive film, and effectively improves the corrosion resistance and stability of the alloy. The V element is used as a deoxidizer, so that the structure grains are refined, the strength and toughness of the deoxidizer are improved, and the condition that cracks are easy to generate at the water cooling hole is improved. The carbide formed by vanadium and carbon can improve the hydrogen corrosion resistance under high temperature and high pressure. In addition to the dispersion strengthening of Ni-rich precipitated phases, higher Co, fe, ni and other elements generate certain solid solution strengthening effect similar to the solid solution strengthening effect in medium-entropy alloy.
The cubic boron nitride in the additive auxiliary agent endows the additive auxiliary agent with better thermal stability, impact toughness, wear resistance and heat conduction performance, and can improve the service life of the additive auxiliary agent. The micro-nano tantalum silicide powder endows the application with better heat resistance and wear resistance. The nano aluminum nitride endows the lubricant with better antiwear protection effect, can improve lubrication, reduce friction coefficient, improve antiwear capacity, reduce abrasion and prolong the service life of the lubricant. The nano vanadium nitride is used as a dispersive reinforcing printing water jacket, can effectively improve catalytic activity, improves the toughness of a structural material, and can improve the toughness, mechanical strength, chemical stability and wear resistance of the ink.
In conclusion, the printing water jacket of the cosmetic bottle cap mold prepared by compounding the special spherical powder alloy and the additive auxiliary agent has relatively good toughness, excellent wear resistance, heat resistance, solvent resistance and heat resistance stability, is not easy to generate cracks at the water cooling hole, and has good use stability.
Preferably, the special spherical powder alloy is prepared by an atomization method; the particle size D90 of the special spherical powder alloy is controlled between 5 and 25 micrometers and is distributed normally.
By adopting the technical scheme, the implementation of the 3D printing process is facilitated, the difficulty of machining and forming is reduced, the quality stability of the same batch of the printing process can be effectively ensured, and the high-quality printing water jacket with good toughness, high cooling efficiency, low internal stress, high wear resistance and corrosion resistance is obtained.
Preferably, the preparation method of the special spherical powder alloy comprises the following steps: weighing raw materials according to a ratio, uniformly mixing, heating to 1340-1420 ℃ to melt into molten steel, atomizing the obtained molten steel into powder by an atomization method, naturally cooling, and screening to obtain the special spherical powder alloy with the granularity D90 of 5-25 microns.
The preparation method is relatively simple and is convenient for realizing industrial production.
Preferably, the average grain diameter of the cubic boron nitride is controlled to be 1-3 microns, and the specific surface area is controlled to be 8-9.2m 2 Per g, cubic crystal form; the average particle size of the micro-nano tantalum silicide powder is controlled to be 50-300nm, and the specific surface area is controlled to be 30-38m 2 G, volume density of 5.16-5.80g/cm 3 Cubic crystal form; the average grain diameter of the nano aluminum nitride is controlled to be 50-500nm, and the specific surface area is controlled to be 12-42m 2 G, volume density of 0.15-1.2g/cm 3 A hexagonal crystal form; the average grain diameter of the nano titanium nitride is controlled to be 20-700nm, and the specific surface area is 10-62m 2 G, volume density of 0.10-2.3g/cm 3 Cubic crystal form; the average grain diameter of the nano vanadium nitride is controlled to be 40-60nm, and the specific surface area is controlled to be 28-32m 2 G, bulk density of 1.2-1.35g/cm 3 Cubic crystal form.
Through adopting above-mentioned technical scheme, be favorable to this application 3D printing technology's implementation, reduce the fashioned degree of difficulty of processing, and also the same batch of stable quality of this application of effectual assurance.
Preferably, the mass ratio of the special spherical powder alloy to the additive auxiliary agent is 100: (0.6-0.8).
Through the mass ratio of the special spherical powder alloy and the additive auxiliary agent, the excellent performance of the alloy can be ensured, and the production cost of the alloy can be reduced.
Preferably, the additive auxiliary agent is a mixture of cubic boron nitride, micro-nano tantalum silicide powder, nano aluminum nitride and nano vanadium nitride; the mass ratio of the cubic boron nitride to the micro-nano tantalum silicide powder to the nano aluminum nitride to the nano vanadium nitride is 1: (0.4-0.6): (1-2): (0.1-0.5).
The additive auxiliary agent compounded in the application can ensure that the excellent performance of the application can be simultaneously reduced, and further ensures the quality stability of the same batch of the application. In addition, cubic boron nitride gives the present application better thermal stability, impact toughness, wear resistance, heat conductivity, and can improve the service life of the present application. The micro-nano tantalum silicide powder endows the application with better heat resistance and wear resistance. The nano aluminum nitride endows the lubricant with better antiwear protection effect, can improve lubrication, reduce friction coefficient, improve antiwear capacity, reduce abrasion and prolong the service life of the lubricant. The nano vanadium nitride is used as a dispersive reinforcing printing water jacket, can effectively improve catalytic activity, improves the toughness of structural materials, and can improve the toughness, mechanical strength, chemical stability and wear resistance of the ink.
Preferably, the mass ratio of the cubic boron nitride to the micro-nano tantalum silicide powder to the nano aluminum nitride to the nano vanadium nitride is 4:2: (6.8-7.5): 1.
the quality ratio of optimizing cubic boron nitride, micro-nano tantalum silicide powder, nanometer aluminium nitride, nanometer vanadium nitride can further promote the excellent performance of this application and can reduce the machine-shaping degree of difficulty of this application simultaneously, and then guarantee the same batch quality stability of this application.
Preferably, the mass ratio of the special spherical powder alloy to the additive auxiliary agent is 100:0.8; the mass ratio of the cubic boron nitride to the micro-nano tantalum silicide powder to the nano aluminum nitride to the nano vanadium nitride is 40:20:72:10.
by adopting the technical scheme, the printing water jacket with high quality can be obtained, and the production cost is relatively low.
In a second aspect, the application provides a method for preparing a printing water jacket of a cosmetic bottle cap mold based on an additive manufacturing technology, which is implemented by the following technical scheme:
a preparation method of a printing water jacket of a cosmetic bottle cap mold based on an additive manufacturing technology comprises the following steps:
firstly, preparing and clamping a base material before loading;
adding powder, namely forcibly inserting and compacting the special metal powder for the printer die insert arranged in the powder supply platform by using a flat shovel and paving and compacting the powder on the periphery of the powder supply platform;
step three, installing and leveling a scraper, spreading powder, installing a powder suction square pipe, cleaning a forming chamber, and cleaning a sealing ring and safety glass of a forming chamber door by dipping wiping paper into absolute ethyl alcohol;
step four, adjusting the 3D printing process parameters, wherein the laser power is 360-450W, the laser scanning speed is 600-800 mm per second, the spot diameter is 0.04-0.0.08mm, the molten pool interval is 0.06-0.2mm, the blowing power is 40-80%, and the platform temperature is 20-200 ℃;
filling argon with the purity of more than or equal to 99.99 percent into the forming bin to ensure that the oxygen content in the forming bin is less than 0.1 percent, loading data, and printing layer by layer to obtain a semi-finished product printing water jacket;
and step six, carrying out heat treatment on the semi-finished product printing water jacket to obtain the finished product printing water jacket.
The preparation method provided by the application is relatively simple, is convenient for realizing industrial batch production, can ensure the quality stability of the same batch of products, and has a good market prospect.
Preferably, the heat treatment operation in the sixth step includes:
s1, heating the semi-finished product printing water jacket in the fifth step to 240-280 ℃ at a heating speed of 3-4 ℃/min, preserving heat for 20-40min, heating to 450-480 ℃ at a heating speed of 6.0-6.5 ℃/min, and carrying out annealing treatment for 8-10h;
s2, heating to 900-980 ℃ at a heating speed of 7.0-7.5 ℃/min, and keeping the temperature for 2-3h;
s3, gas quenching, cooling to normal temperature at the cooling speed of 20-22 ℃/min;
and S4, heating to 420-460 ℃ at a heating speed of 8-12 ℃/min, carrying out aging heat treatment and ion nitriding treatment by adopting nitrogen-hydrogen mixed gas, wherein the volume ratio of hydrogen to nitrogen in the nitrogen-hydrogen mixed gas is (3-5) to (45-47), keeping the temperature for 4-6h, naturally cooling, and cooling to normal temperature to obtain the finished printing water jacket.
The printing water jacket obtained by adopting the heat treatment mode provided by the application has the advantages that the strength, the toughness and the performance are improved, the printing water jacket has better heat-conducting performance compared with a commercially available product on the premise that the mechanical property meets the customer requirement, cracks are not easy to generate at the water cooling hole of the printing water jacket in the using process, and in addition, the printing water jacket has high surface hardness and relatively better corrosion resistance and heat resistance.
In summary, the present application has the following advantages:
1. the water cooling hole has the advantages of relatively good toughness, difficulty in generating cracks at the water cooling hole and good use stability.
2. According to the application, the additive auxiliary agent can improve the overall processing and forming performance, and can improve the toughness, mechanical strength, wear resistance, heat resistance, solvent resistance and heat resistance stability of the overall product.
3. The preparation method provided by the application is relatively simple and is convenient for realizing industrial batch production.
Detailed Description
The present application will be described in further detail with reference to comparative examples and examples.
Preparation example
Preparation example 1
The special spherical powder alloy comprises the following chemical components in percentage by weight:
c:0.015 percent; si:0.86 percent; cr:15.4 percent; mo:0.18 percent; 7.4 percent of Ni; mn:0.1 percent; co:14.8 percent; v:0.08 percent; ta:0.12 percent; p:0.007%; s:0.005 percent; b:0.002%; the balance of iron and inevitable impurity elements.
According to the preparation method of the special spherical powder alloy, according to the component proportion, the high-temperature molten alloy is cooled to room temperature by using an air atomization method, the spherical powder with a fine-grained martensite structure is obtained through liquid-solid phase change (solidification) and solid-state phase change, the special spherical powder alloy with the grain size D90 controlled between 5 and 25 mu m is obtained through screening, the obtained special spherical powder alloy is in normal distribution, and the purity is more than or equal to 99.99 percent.
Preparation example 2
Preparation 2 differs from preparation 1 in that:
the preparation method of the special spherical powder alloy comprises the following steps:
step one, according to the component proportion, cooling the high-temperature molten alloy to room temperature by using an air atomization method, carrying out liquid-solid phase transition (solidification) and solid-state phase transition to obtain spherical powder with a fine-grained martensite structure, screening to obtain a special spherical powder alloy with the grain size D90 controlled between 5 and 25 mu m, wherein the special spherical powder alloy is in normal distribution, and the purity is more than or equal to 99.99 percent;
step two, placing the special spherical powder alloy in the step one in a micro classifier for screening, wherein the obtained special spherical powder alloy has five grades: 5-10 micron special spherical powder alloy, 10-15 micron special spherical powder alloy, 15-20 micron special spherical powder alloy, 20-25 micron special spherical powder alloy and <5 micron special spherical powder alloy;
taking the special spherical powder alloy of 10-15 microns and the special spherical powder alloy of 15-20 microns to 780 ℃ and maintaining for 30min, cooling to 480 ℃ and maintaining for 60min, and naturally cooling to obtain the special spherical powder alloy of quenched and tempered 10-20 microns;
and step four, taking 80g of the special spherical powder alloy with the diameter of less than 5 microns, 180g of the special spherical powder alloy with the diameter of 15-20 microns in the step two, 360g of the special spherical powder alloy with the diameter of 10-15 microns, 280g of the special spherical powder alloy with the diameter of 15-20 microns and 100g of the special spherical powder alloy with the diameter of 20-25 microns, which are subjected to quenching and tempering in the step four, and uniformly mixing to obtain the finished special spherical powder alloy.
Preparation example 3
Preparation 3 differs from preparation 2 in that:
the special spherical powder alloy comprises the following chemical components in percentage by weight:
c:0.016 percent; si:1.08 percent; cr:12.8 percent; mo:0.32 percent; 6.8 percent of Ni; mn:0.15 percent; co:13.6 percent; v:0.08%; ta:0.14 percent; p:0.006%; s:0.005 percent; b:0.003%; the balance of iron and inevitable impurity elements.
Preparation example 4
Preparation 4 differs from preparation 1 in that:
the special spherical powder alloy comprises the following chemical components in percentage by weight:
c:0.01 percent; si:0.6 percent; cr:15 percent; mo:0.25 percent; 8.0 percent of Ni; mn:0.09%; co:5.0 percent; v:0.06 percent; ta:0.12 percent; p:0.010%; s:0.006%; b:0.002%; the balance of iron and inevitable impurity elements
Examples
Example 1
The application discloses a printing water jacket of cosmetic bottle lid mould based on vibration material disk technique is prepared through vibration material disk technique with special spherical powder alloy and vibration material disk auxiliary agent in preparation example 1, and the mass ratio of special spherical powder alloy and vibration material disk auxiliary agent is 100:0.4.
the additive auxiliary agent is composed of cubic boron nitride, micro-nano tantalum silicide powder and nano vanadium nitride, wherein the mass ratio of the cubic boron nitride to the micro-nano tantalum silicide powder to the nano vanadium nitride is 1.3.
The average grain diameter of cubic boron nitride is controlled to be 1-3 microns, the purity is 99.9 percent, and the specific surface area is 9.145m 2 In cubic form. The average particle diameter of the micro-nano tantalum silicide powder is controlled to be 50nm, and the specific surface area is controlled to be 36.23m 2 G, bulk density 5.16g/cm 3 Cubic crystal form. The average grain diameter of the nano vanadium nitride is controlled to be 40nm, and the specific surface area is 30.2m 2 G, bulk density 1.29g/cm 3 Cubic crystal form.
A preparation method of a printing water jacket of a cosmetic bottle cap mold based on an additive manufacturing technology comprises the following steps:
firstly, preparing a tool and personal protection before a machine operator is on a machine;
secondly, clamping the base material, measuring the height difference between the upper surface of the base material of the working platform and the peripheral platforms by using a depth gauge, and completely fastening the base material by using an inner hexagonal wrench after confirming that no error exists, wherein the fastening torque is 12 N.M, so that the clamping is ensured to be smooth;
step three, selecting metal powder which is mixed with the special spherical powder alloy and the additive auxiliary agent in the preparation example 1 after being uniformly mixed, drying the special spherical powder alloy and the additive auxiliary agent in the preparation example 1 after being uniformly mixed at the drying temperature of 120 ℃ for 4h, cooling to 25 ℃, air-cooling and drying for 1h to obtain special metal powder for drying, adding powder by adopting the special metal powder for the finished product, forcibly inserting and compacting the metal powder filled in the powder supply platform by using a flat shovel, and paving and compacting the powder around the powder supply platform;
fourthly, installing and leveling a scraper, and then spreading powder to enable the first layer of powder to be uniformly spread on the base plate and the thickness of the first layer of powder is not more than 0.03mm;
installing a powder suction square tube, cleaning a forming chamber, and dipping wiping paper into absolute ethyl alcohol to clean a sealing ring and safety glass of a forming chamber door;
step six, adjusting 3D printing process parameters, namely laser power 380W, laser scanning speed 0.65m/s, spot diameter 0.08mm, molten pool interval 0.1mm, blowing power 45% and platform temperature 25 ℃;
step seven, filling argon with the purity of more than or equal to 99.99 percent into the forming bin to ensure that the oxygen content in the forming bin is lower than 0.1 percent;
step eight, loading data, and printing layer by layer to obtain a semi-finished product printing water jacket;
and step nine, performing heat treatment on the semi-finished product printing water jacket, wherein the heat treatment operation comprises the following steps:
s1, heating the semi-finished product printing water jacket in the step eight to 240 ℃ at a heating speed of 3 ℃/min, preserving heat for 40min, heating to 460 ℃ at a heating speed of 6 ℃/min, and carrying out annealing treatment for 8h;
s2, heating to 950 ℃ at a heating speed of 7 ℃/min, and keeping the temperature for 3h;
s3, gas quenching, cooling to normal temperature at a cooling speed of 20-22 ℃/min;
s4, heating to 460 ℃ at a heating speed of 10 ℃/min, and keeping the temperature for 4h;
s5, cooling to normal temperature by air cooling at a cooling speed of 10-12 ℃/min;
and S6, repeating the steps S4 and S5 twice to obtain the finished printing water jacket.
Example 2
Example 2 differs from example 1 in that: the special spherical powder alloy in preparation example 1 was replaced with the special spherical powder alloy in preparation example 2.
Example 3
Example 3 differs from example 1 in that: the special spherical powder alloy in preparation example 1 was replaced with the special spherical powder alloy in preparation example 3.
Example 4
Example 4 differs from example 1 in that: the mass ratio of the special spherical powder alloy to the additive auxiliary agent is 100:0.7.
example 5
Example 5 differs from example 1 in that: the mass ratio of the special spherical powder alloy to the additive auxiliary agent is 100:1.2.
example 6
Example 6 differs from example 1 in that: the additive auxiliary agent is composed of cubic boron nitride, micro-nano tantalum silicide powder and nano vanadium nitride, wherein the mass ratio of the cubic boron nitride to the micro-nano tantalum silicide powder to the nano aluminum nitride is 1.3.
Example 7
Example 7 differs from example 1 in that: the additive auxiliary agent is composed of cubic boron nitride, micro-nano tantalum silicide powder and nano vanadium nitride, wherein the mass ratio of the cubic boron nitride to the micro-nano tantalum silicide powder to the nano titanium nitride is 1.3.
Example 8
Example 8 differs from example 1 in that: the additive auxiliary agent is a mixture of cubic boron nitride, micro-nano tantalum silicide powder, nano aluminum nitride and nano vanadium nitride. The mass ratio of cubic boron nitride, micro-nano tantalum silicide powder, nano aluminum nitride and nano vanadium nitride is 1:0.5:2:0.3.
example 9
Example 9 differs from example 1 in that: the additive auxiliary agent is a mixture of cubic boron nitride, micro-nano tantalum silicide powder, nano aluminum nitride and nano vanadium nitride. The mass ratio of cubic boron nitride, micro-nano tantalum silicide powder, nano aluminum nitride and nano vanadium nitride is 4:2:6.8:1.
example 10
Example 10 differs from example 1 in that: the additive auxiliary agent is a mixture of cubic boron nitride, micro-nano tantalum silicide powder, nano aluminum nitride and nano vanadium nitride. The mass ratio of cubic boron nitride, micro-nano tantalum silicide powder, nano aluminum nitride to nano vanadium nitride is 4:2:7.2:1.
example 11
Example 11 differs from example 1 in that: the additive auxiliary agent is a mixture of cubic boron nitride, micro-nano tantalum silicide powder, nano aluminum nitride and nano vanadium nitride. The mass ratio of cubic boron nitride, micro-nano tantalum silicide powder, nano aluminum nitride to nano vanadium nitride is 4:2:7.5:1.
example 12
Example 12 differs from example 2 in that: the mass ratio of the special spherical powder alloy to the additive auxiliary agent in the preparation example 2 is 100:0.7. the additive auxiliary agent is a mixture of cubic boron nitride, micro-nano tantalum silicide powder, nano aluminum nitride and nano vanadium nitride. The mass ratio of cubic boron nitride, micro-nano tantalum silicide powder, nano aluminum nitride to nano vanadium nitride is 40:20:72:10.
comparative example
Comparative example 1
Comparative example 1 differs from example 1 in that: conventional maraging steel powder is used.
Comparative example 2
Comparative example 2 differs from example 1 in that: the printing water jacket of the cosmetic bottle cap mold based on the additive manufacturing technology is prepared by adopting the special spherical powder alloy in the preparation example 1 through the additive manufacturing technology, and additive auxiliary agents are not adopted.
Comparative example 3
Comparative example 3 differs from example 1 in that: the special spherical powder alloy in preparation example 1 was replaced with the special spherical powder alloy in preparation example 4.
Comparative example 4
Comparative example 4 differs from example 1 in that: the mass ratio of the special spherical powder alloy to the additive auxiliary agent is 100:0.2
Comparative example 5
Comparative example 5 differs from example 1 in that: the mass ratio of the special spherical powder alloy to the additive auxiliary agent is 100:2.
comparative example 6
Comparative example 6 differs from example 1 in that: the additive auxiliary agent consists of cubic boron nitride and micro-nano tantalum silicide powder, and the mass ratio of the cubic boron nitride to the micro-nano tantalum silicide powder is 1.
Performance test
Detection method/test method
1. Measuring the thermal conductivity coefficient: according to GB/T3651-2008 method for measuring high-temperature thermal conductivity of metal.
2. Testing the crack condition of the surface of the water cooling hole: 20 test samples were prepared according to the preparation methods provided in examples 1 to 2 and comparative examples 1 to 6, respectively. And (5) penetrating the surface crack condition of the water cooling hole of each sample by using a magnifying glass of 10 times, and recording the condition into a table.
3. The elongation test method comprises the following steps: the test was carried out according to GB/T228-2010 Metal tensile test method.
4. Method for testing yield strength: the test is carried out according to GB/T1591-2008 'Low alloy high strength structural Steel'.
5. And (3) testing the hardness of the plating layer: the test was performed using an HV-1000 automated turret microhardness tester (Shanghai Vancom-Customs instruments, inc.).
6. Salt spray test: according to GB 5938-86 corrosion-resistant test method for metal coating and chemical treatment layer of light industry products, an artificial salt spray environment simulation test is carried out.
Data analysis
Table 1 shows the measurement parameters of examples 1 to 12 and comparative examples 1 to 6
Table 2 shows crack detection parameters of examples 1 to 12 and comparative examples 1 to 6
As can be seen by combining examples 1-12 and comparative examples 1-6 and tables 1-2, the comparison of examples 1-3 with comparative examples 1-3 shows that the mechanical properties, toughness, hardness and corrosion resistance of examples 1-3 are uniformly superior to those of comparative examples 1-3, so that the printing water jacket prepared in the application has better toughness, mechanical strength, wear resistance and corrosion resistance, cracks are not easy to generate at the water cooling holes, and the use stability is good.
As can be seen by combining examples 1-12 and comparative examples 1-6 with tables 1-2, the mechanical property, toughness, hardness and corrosion resistance of example 1 are uniformly better than those of comparative example 2, so that the additive auxiliary agent can improve the overall toughness, mechanical strength, wear resistance and corrosion resistance.
It can be seen from the combination of examples 1-12 and comparative examples 1-6 and tables 1-2 that the mechanical properties, toughness, hardness and corrosion resistance of example 1 are better than those of comparative example 3, therefore, the toughness, mechanical strength, wear resistance and corrosion resistance of the whole body can be improved by using the special spherical powder alloy of the present application.
It can be seen by combining examples 1-12 and comparative examples 1-6 and combining tables 1-2 that the mechanical properties, toughness, hardness, and corrosion resistance of examples 1 and 6-7 are superior to those of comparative example 6, therefore, the printing water jacket prepared by using cubic boron nitride, micro-nano tantalum silicide powder and at least one of nano aluminum nitride, nano titanium nitride, and nano vanadium nitride as the additive auxiliary agent has better toughness, mechanical strength, wear resistance, and corrosion resistance, and cracks are not easily generated at the water cooling holes, and the use stability is good.
Combining examples 1-12 and comparative examples 1-6 and combining tables 1-2, it can be seen that the mechanical properties, toughness, hardness and corrosion resistance of examples 1, 4-5 are better than comparative example 4, but slightly lower than comparative example 5, therefore, the mass ratio of the special spherical powder alloy and the additive auxiliary agent is controlled to be 100: preferably 0.4-1.2, and preferably, the mass ratio of the special spherical powder alloy to the additive auxiliary agent is controlled to be 100:0.6-0.8.
By combining examples 1-12 and comparative examples 1-6 and table 1, it can be seen that the mechanical properties, toughness, hardness and corrosion resistance of examples 8-12 are superior to those of comparative example 6, and therefore, the additive auxiliary agent adopts cubic boron nitride, micro-nano tantalum silicide powder, nano aluminum nitride and nano vanadium nitride in a mass ratio of 1: (0.4-0.6): (1-2): (0.1-0.5) the finished printing water jacket has better toughness, mechanical strength, wear resistance and corrosion resistance.
As can be seen by combining examples 1-12 and comparative examples 1-6 with Table 2, the overall performance of example 12 is best as seen by comparing examples 8-12, and therefore, the best solution for the additive auxiliary agent in this application is: the mass ratio of cubic boron nitride, micro-nano tantalum silicide powder, nano aluminum nitride to nano vanadium nitride is 40:20:72:10.
the specific embodiments are only for explaining the present application and are not limiting to the present application, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the claims of the present application.
Claims (10)
1. The utility model provides a cosmetic bottle lid mould print water jacket based on vibration material disk technique which characterized in that: the material additive is mainly prepared by adopting special spherical powder alloy and additive auxiliary additives through additive manufacturing technology; the mass ratio of the special spherical powder alloy to the additive auxiliary agent is 100: (0.4-1.2);
the special spherical powder alloy comprises the following chemical components in percentage by weight: c: <0.02%; si:0.5 to 2.0 percent; cr:10.0 to 16.0 percent; mo:0.1 to 0.5 percent; 4 to 8 percent of Ni; co:8 to 15 percent; v:0.02-0.1%; ta:0.01 to 0.3 percent; the contents of P, S and B are lower than 0.015 percent; the balance of iron and inevitable impurity elements;
the additive auxiliary agent is cubic boron nitride, micro-nano tantalum silicide powder and at least one of nano aluminum nitride, nano titanium nitride and nano vanadium nitride.
2. The printing water jacket of the cosmetic bottle cap mold based on the additive manufacturing technology as claimed in claim 1, wherein: the special spherical powder alloy is prepared by an atomization method; the particle size D90 of the special spherical powder alloy is controlled between 5 and 25 micrometers and is distributed normally.
3. The printing water jacket of the cosmetic bottle cap mold based on the additive manufacturing technology as claimed in claim 2, wherein: the preparation method of the special spherical powder alloy comprises the following steps: weighing raw materials according to a ratio, uniformly mixing, heating to 1340-1420 ℃ for melting into molten steel, atomizing the obtained molten steel into powder by an atomization method, naturally cooling, and screening to obtain the special spherical powder alloy with the granularity D90 of 5-25 micrometers.
4. The printing water jacket of the cosmetic bottle cap mold based on the additive manufacturing technology as claimed in claim 1, wherein: the average grain diameter of the cubic boron nitride is controlled to be 1-3 microns, and the specific surface area is 8-9.2m 2 Per g, cubic crystal form; the average particle size of the micro-nano tantalum silicide powder is controlled to be 50-300nm, and the specific surface area is controlled to be 30-38m 2 G, volume density of 5.16-5.80g/cm 3 Cubic crystal form; the average grain diameter of the nano aluminum nitride is controlled to be 50-500nm, and the specific surface area is controlled to be 12-42m 2 G, volume density of 0.15-1.2g/cm 3 A hexagonal crystal form; the average grain diameter of the nano titanium nitride is controlled to be 20-700nm, and the specific surface area is 10-62m 2 G, volume density of 0.10-2.3g/cm 3 Cubic crystal form; the average grain diameter of the nano vanadium nitride is controlled to be 40-60nm, and the specific surface area is controlled to be 28-32m 2 G, bulk density of 1.2-1.35g/cm 3 Cubic crystal form.
5. The printing water jacket of the cosmetic bottle cap mold based on the additive manufacturing technology according to claim 1 or 4, wherein: the mass ratio of the special spherical powder alloy to the additive auxiliary agent is 100: (0.6-0.8).
6. The printing water jacket of the cosmetic bottle cap mold based on the additive manufacturing technology according to claim 1 or 4, wherein: the additive auxiliary agent is a mixture of cubic boron nitride, micro-nano tantalum silicide powder, nano aluminum nitride and nano vanadium nitride; the mass ratio of the cubic boron nitride to the micro-nano tantalum silicide powder to the nano aluminum nitride to the nano vanadium nitride is 1: (0.4-0.6): (1-2): (0.1-0.5).
7. The printing water jacket of the cosmetic bottle cap mold based on the additive manufacturing technology as claimed in claim 6, wherein: the mass ratio of the cubic boron nitride to the micro-nano tantalum silicide powder to the nano aluminum nitride to the nano vanadium nitride is 4:2: (6.8-7.5): 1.
8. the printing water jacket of the cosmetic bottle cap mold based on the additive manufacturing technology as claimed in claim 7, wherein: the mass ratio of the special spherical powder alloy to the additive auxiliary agent is 100:0.8; the mass ratio of the cubic boron nitride to the micro-nano tantalum silicide powder to the nano aluminum nitride to the nano vanadium nitride is 40:20:72:10.
9. the method for preparing the printing water jacket of the cosmetic bottle cap mold based on the additive manufacturing technology according to the claims 1 to 8, wherein the printing water jacket comprises the following steps: the method comprises the following steps:
firstly, preparing and clamping a base material before loading;
adding powder, namely forcibly inserting the special metal powder for the printer die insert which is arranged in the powder supply platform by using a flat shovel, and paving and compacting the powder on the periphery of the powder supply platform;
step three, installing and leveling a scraper, spreading powder, installing a powder suction square pipe, cleaning a forming chamber, and cleaning a sealing ring and safety glass of a forming chamber door by dipping wiping paper into absolute ethyl alcohol;
step four, adjusting 3D printing process parameters, wherein the laser power is 360-450W, the laser scanning speed is 600-800 mm per second, the spot diameter is 0.04-0.08mm, the molten pool interval is 0.06-0.2mm, the blowing power is 40-80%, and the platform temperature is 20-200 ℃;
fifthly, filling argon with the purity of more than or equal to 99.99 percent into the forming bin to ensure that the oxygen content in the forming bin is lower than 0.1 percent, loading data, and printing layer by layer to obtain a semi-finished product printing water jacket;
and step six, carrying out heat treatment on the semi-finished product printing water jacket to obtain the finished product printing water jacket.
10. The method for preparing the printing water jacket of the cosmetic bottle cap mold based on the additive manufacturing technology according to claim 8, wherein the printing water jacket comprises the following steps: the heat treatment operation in the sixth step comprises the following steps:
s1, heating the semi-finished product printing water jacket in the fifth step to 240-280 ℃ at a heating speed of 3-4 ℃/min, preserving heat for 20-40min, heating to 450-480 ℃ at a heating speed of 6.0-6.5 ℃/min, and carrying out annealing treatment for 8-10h;
s2, heating to 900-980 ℃ at a heating speed of 7.0-7.5 ℃/min, and keeping the temperature for 2-3h;
s3, gas quenching, cooling to normal temperature at a cooling speed of 20-22 ℃/min;
and S4, heating to 420-460 ℃ at a heating speed of 8-12 ℃/min, carrying out aging heat treatment and ion nitriding treatment by adopting a nitrogen-hydrogen mixed gas, wherein the volume ratio of hydrogen to nitrogen in the nitrogen-hydrogen mixed gas is (3-5) to (45-47), keeping the temperature for 4-6h, naturally cooling, and cooling to normal temperature to obtain the finished product printing water jacket.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116334491A (en) * | 2023-03-28 | 2023-06-27 | 如皋市宏茂重型锻压有限公司 | Die steel and heat treatment process for improving toughness of die steel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116334491A (en) * | 2023-03-28 | 2023-06-27 | 如皋市宏茂重型锻压有限公司 | Die steel and heat treatment process for improving toughness of die steel |
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