CN110257751A - A kind of method for realizing that acid bronze alloy is connect with mold steel alloy using 3D printing method - Google Patents
A kind of method for realizing that acid bronze alloy is connect with mold steel alloy using 3D printing method Download PDFInfo
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- CN110257751A CN110257751A CN201910420234.4A CN201910420234A CN110257751A CN 110257751 A CN110257751 A CN 110257751A CN 201910420234 A CN201910420234 A CN 201910420234A CN 110257751 A CN110257751 A CN 110257751A
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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
- 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
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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
- B22F10/30—Process control
- B22F10/36—Process control of energy beam parameters
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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
- B22F10/30—Process control
- B22F10/36—Process control of energy beam parameters
- B22F10/366—Scanning parameters, e.g. hatch distance or scanning strategy
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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
- B22F10/60—Treatment of workpieces or articles after build-up
- B22F10/64—Treatment of workpieces or articles after build-up by thermal means
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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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
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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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- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
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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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F2003/248—Thermal after-treatment
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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
A kind of method for realizing that acid bronze alloy is connect with mold steel alloy using 3D printing method, belongs to 3D printing technique field.This method passes through the traditional techniques such as casting, machining first and goes out qualified acid bronze alloy pedestal to be connected；One layer of pure nickel is sprayed on the surface to be printed of acid bronze alloy pedestal using plasma spraying method, and is sintered, grinding process, pedestal surfacing to be printed is made；Then 3D printing is carried out on processed pedestal by 3D technology, printed material is mold steel alloy powder；After the completion of printing, the printout that will be connected to substrate is taken out, and is heat-treated, obtains finished product.This method can effectively improve the production efficiency and service life of conformal cooling mold by the good thermal conductivity of acid bronze alloy in conjunction with the good mechanical performance of mold steel alloy, have important economic results in society.
Description
Technical field
The invention belongs to 3D printing technique fields, and in particular to a kind of to realize acid bronze alloy and mold using 3D printing method
The method of steel alloy connection.
Background technique
Injection mould cooling system affects the quality and production efficiency of moulded products, and traditional cooling system is difficult to realize
The uniform cooling of mold, moulded products are easy to appear warpage, shrink the defects of uneven.Accompany cooling mold cooling water channel be according to
According to product profile variation, product each section may be implemented and uniformly cool down, significantly improve the quality of product, reduces cooling time,
With very strong practicability, but traditional diamond-making technique is not particularly suited for processing retinue cooling water channel.Precinct laser melts (SLM)
As one kind of increasing material manufacturing, freedom degree height is shaped, the metal parts consistency of preparation is high, intensity is big, surface roughness is low, simultaneously
It can be reduced up-front investment capital and save manufacturing time, bring revolutionary development for the manufacture of injection mold.
Acid bronze alloy has good mechanical performance, high thermal conductivity, non magnetic, commonly used to manufacture injection mould and plastic magnetic
Type chamber and type core in body mould are widely applied in die industry, but because of the 3D printing technique of acid bronze alloy not yet maturation and copper
The mechanical property of based alloy is unable to satisfy actual production requirement, cannot achieve at present using alloy manufacture conformal cooling mold.
The one kind of MS1 mold steel alloy as Maraging steel has intensity height, good toughness, good welding performance and good cold and hot
This several big feature of processing performance are the dedicated martensite ag(e)ing powdered steels of 3D printing, molten with precinct laser in external research
Change method shapes Maraging steel and makes conformal cooling injection mold, becomes the master of precinct laser fusion Maraging steel
Want application mode.But there is higher cost in MS1 mold steel alloy.
Summary of the invention
The purpose of the present invention is to solve at present using acid bronze alloy cannot produce well casual cooling mold and
The casual cooling higher problem of die cost is manufactured using MS1 mold steel alloy, is provided a kind of using 3D printing method realization copper
The method that based alloy is connect with mold steel alloy, this method can realize seamless connection and linkage interface has good mechanical property
Can, and the conformal cooling mold produced can be used in actual production.
To achieve the above object, the technical solution adopted by the present invention is as follows:
A kind of method for realizing that acid bronze alloy is connect with mold steel alloy using 3D printing method, the method comprises the following steps:
Step 1: producing acid bronze alloy pedestal according to actual needs, need to ensure be connected with mould steel on the pedestal
Each surface be in same plane, one layer of nickel is plated on the surface that pedestal will be connect with mould steel using plasma spray technology；Institute
The acid bronze alloy pedestal stated is processed using tradition machinery or foundry engieering processing；
Step 2: nickel plating face surface is sintered；
Step 3: utilizing 3D printing technique, prints the printout of different shape requirement on the base according to actual needs；
Step 4: the part made is heat-treated.
The present invention compared with the existing technology have the beneficial effect that the present invention can obtain being closed by acid bronze alloy and MS1 mould steel
The conformal cooling mold that gold is formed by connecting, by the high conductivity of heat of acid bronze alloy and the good mechanical performance knot of MS1 mold steel alloy
Altogether, the production efficiency and service life of conformal cooling mold are improved well, and there are very high economic results in society, it is right
Preparation Novel high-end mold is of great significance.
Detailed description of the invention
The acid bronze alloy and the electron microscope at MS1 mould steel linkage interface that Fig. 1 is embodiment 1；
The acid bronze alloy and the electron microscope at MS1 mould steel linkage interface that Fig. 2 is embodiment 2；
The acid bronze alloy and the electron microscope at MS1 mould steel linkage interface that Fig. 3 is embodiment 3；
The acid bronze alloy and the electron microscope at MS1 mould steel linkage interface that Fig. 4 is embodiment 4.
Specific embodiment
Further description of the technical solution of the present invention with reference to the accompanying drawings and examples, and however, it is not limited to this,
It is all that modifying or equivalently replacing the technical solution of the present invention, without departing from the spirit and scope of the technical solution of the present invention,
It should all cover within the protection scope of the present invention.
The present invention is made in conformal cooling injection mold of 3D printing technique forming MS1 mould steel and is difficult to use traditional processing
The part produced uses conventional machining techniques using acid bronze alloy as pedestal to process conformal cooling mold cooling water passage simple
Part, and realize that the two is seamlessly connected under the premise of guaranteeing service performance, by the good mechanical performance of MS1 mold steel alloy
Combine with acid bronze alloy high heat-transfer performance, it will the production efficiency and service life of conformal cooling mold are improved well,
Bring considerable economic results in society.
Specific embodiment 1: present embodiment record is a kind of using 3D printing method realization acid bronze alloy and mold
The method of steel alloy connection, the method comprises the following steps:
Step 1: producing acid bronze alloy pedestal according to actual needs, need to ensure be connected with mould steel on the pedestal
Each surface be in same plane, one layer of nickel is plated on the surface that pedestal will be connect with mould steel using plasma spray technology；Institute
The acid bronze alloy pedestal stated is processed using tradition machinery or foundry engieering processing；
Step 2: being sintered nickel plating face surface using EOS M280 3D printer, and sintered nickel plating face is polished
At plane；
Step 3: utilizing 3D printing technique, prints the printout of different shape requirement on the base according to actual needs；
Step 4: the part made is heat-treated.
Specific embodiment 2: a kind of described in specific embodiment one realize acid bronze alloy and mould using 3D printing method
Has the method for steel alloy connection, in step 1, nickel plating layer thick is 20 ~ 40 μm.
Specific embodiment 3: a kind of described in specific embodiment one realize acid bronze alloy and mould using 3D printing method
Have the method for steel alloy connection, in step 2, the sintering processes specifically: using the laser sintered processing of SLM technology progress,
Laser power is 300W, sweep speed 960mm/s, sweep span 0.11mm, and laser scanning number is 2 times.
Specific embodiment 4: a kind of described in specific embodiment one realize acid bronze alloy and mould using 3D printing method
Has the method for steel alloy connection, in step 3, the powder for printing is MS1 mold powdered steel, print parameters are as follows: powdering thickness
40 μm, sweep speed 960mm/s, first and second layer printing power are 265~325W, and every layer with laser scanning twice, from third
Layer starts, and printing power is 285W, and laser scanning is primary, until printing terminates.
Specific embodiment 5: a kind of described in specific embodiment one realize acid bronze alloy and mould using 3D printing method
Having the method for steel alloy connection, in step 4, the heat treatment specifically: direct aging processing, aging temp are 520 DEG C,
Part is with stove heating, and 10 DEG C/min of heating rate, soaking time 6h, the type of cooling is air-cooled.
Embodiment 1:
Step 1: the cylindric acid bronze alloy base of the smooth 20mm × 15mm of upper and lower surface is produced using conventional machining techniques
Plate；
Step 2: one layer of 30 microns of thick nickel layer are plated in pedestal surface to be printed using plasma spray technology；
Step 3: laser sintered processing, laser power 300W, sweep speed 960mm/s are carried out to nickel plating face, scanning twice, is burnt
Polishing nickel plating face after the completion of knot, it is ensured that nickel plating face level is smooth；
Step 4: SLM technology is utilized, the cylindric MS1 mould steel zero of 20mm × 7mm is printed on processed substrate
Part, wherein the printing power of first and second layer of powder be 265W, sweep speed 960mm/s, 40 microns of powdering thickness, sweep span
0.11mm, twice, basal plate preheating is to 100 DEG C for laser scanning；Since third layer (including third layer), it is by printing power adjustment
285W, laser scanning number are adjusted to once, and other parameters are constant；
Step 5: carrying out direct aging processing to the connector that printing is completed, aging temp is 520 DEG C, keeps the temperature 6h, air-cooled；
Step 6: using Electric Discharge Wire-cutting Technology along the longitudinally slit connector of axis, by standard metallographic preparation method of sample
Microstructure at MS1 mould steel and acid bronze alloy linkage interface is obtained, sees Fig. 1.
Embodiment 2: the present embodiment unlike the first embodiment first and second layer of powder printing power be 285W, other with
Embodiment 1 is identical.Microstructure at MS1 mould steel and acid bronze alloy linkage interface, is shown in Fig. 2.
Embodiment 3: the present embodiment unlike the first embodiment first and second layer of powder printing power be 305W, other with
Embodiment 1 is identical.Microstructure at MS1 mould steel and acid bronze alloy linkage interface, is shown in Fig. 3.
Embodiment 4: the present embodiment unlike the first embodiment first and second layer of powder printing power be 325W, other with
Embodiment 1 is identical.Microstructure at MS1 mould steel and acid bronze alloy linkage interface, is shown in Fig. 4.
It is analyzed in conjunction with Fig. 1 ~ 4, it is seen that with the increase of first and second layer of printing power, acid bronze alloy and MS1 mould steel
Defect at linkage interface is first reduced to be increased afterwards, and defect of the printing power in 305W or so is minimum, two kinds of metal connection states
It is best.
Claims (5)
1. a kind of method for realizing that acid bronze alloy is connect with mold steel alloy using 3D printing method, it is characterised in that: the side
Steps are as follows for method:
Step 1: producing acid bronze alloy pedestal according to actual needs, guarantees will to be connected with mould steel on the pedestal
Each surface is in same plane, and one layer of nickel is plated on the surface that pedestal will be connect with mould steel using plasma spray technology；
Step 2: nickel plating layer surface is sintered；
Step 3: utilizing 3D printing technique, prints the printout of different shape requirement on substrate according to actual needs；
Step 4: the part made is heat-treated.
2. a kind of side for realizing that acid bronze alloy is connect with mold steel alloy using 3D printing method according to claim 1
Method, it is characterised in that: in step 1, nickel plating layer thick is 20 ~ 40 μm.
3. a kind of side for realizing that acid bronze alloy is connect with mold steel alloy using 3D printing method according to claim 1
Method, it is characterised in that: in step 2, the sintering processes specifically: carry out laser sintered processing, laser using SLM technology
Power is 300~340W, sweep speed 960mm/s, sweep span 0.11mm, and laser scanning number is 2 times.
4. a kind of side for realizing that acid bronze alloy is connect with mold steel alloy using 3D printing method according to claim 1
Method, it is characterised in that: in step 3, the powder for printing is MS1 mold powdered steel, print parameters are as follows: 40 μm of powdering thickness,
Sweep speed 960mm/s, first and second layer of printing power are 285~325W, and every layer with laser scanning twice, opened from third layer
Begin, printing power is 285W, and laser scanning is primary, until printing terminates.
5. a kind of side for realizing that acid bronze alloy is connect with mold steel alloy using 3D printing method according to claim 1
Method, it is characterised in that: in step 4, the heat treatment specifically: direct aging processing, aging temp are 490~520 DEG C,
Part is with stove heating, and 10 DEG C/min of heating rate, 4~6h of soaking time, the type of cooling is air-cooled.
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Cited By (5)
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| CN110744751A (en) * | 2019-11-21 | 2020-02-04 | 集美大学 | 3D printing anti-grafting forming manufacturing method of injection mold |
| CN113118463A (en) * | 2021-04-13 | 2021-07-16 | 铜陵学院 | Post-treatment method for improving performance of laser selective melting forming die steel |
| CN113600753A (en) * | 2021-08-12 | 2021-11-05 | 安徽海立精密铸造有限公司 | Manufacturing method of sand casting mold |
| CN113799328A (en) * | 2020-06-15 | 2021-12-17 | 泰科电子(上海)有限公司 | Injection mold and method for manufacturing same |
| CN114226654A (en) * | 2021-11-11 | 2022-03-25 | 上海镭镆科技有限公司 | 3D printing die mold insert with copper core |
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Cited By (8)
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| CN110744751A (en) * | 2019-11-21 | 2020-02-04 | 集美大学 | 3D printing anti-grafting forming manufacturing method of injection mold |
| CN110744751B (en) * | 2019-11-21 | 2021-11-26 | 集美大学 | 3D printing anti-grafting forming manufacturing method of injection mold |
| CN113799328A (en) * | 2020-06-15 | 2021-12-17 | 泰科电子(上海)有限公司 | Injection mold and method for manufacturing same |
| CN113799328B (en) * | 2020-06-15 | 2023-11-21 | 泰科电子(上海)有限公司 | Injection mold and method for manufacturing the same |
| CN113118463A (en) * | 2021-04-13 | 2021-07-16 | 铜陵学院 | Post-treatment method for improving performance of laser selective melting forming die steel |
| CN113600753A (en) * | 2021-08-12 | 2021-11-05 | 安徽海立精密铸造有限公司 | Manufacturing method of sand casting mold |
| CN114226654A (en) * | 2021-11-11 | 2022-03-25 | 上海镭镆科技有限公司 | 3D printing die mold insert with copper core |
| CN114226654B (en) * | 2021-11-11 | 2024-03-15 | 上海镭镆科技有限公司 | 3D prints mould mold insert with copper core |
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