WO2020155540A1 - Dispositif de fabrication additive utilisant un chauffage par résistance-induction combiné d'un matériau de fil métallique - Google Patents

Dispositif de fabrication additive utilisant un chauffage par résistance-induction combiné d'un matériau de fil métallique Download PDF

Info

Publication number
WO2020155540A1
WO2020155540A1 PCT/CN2019/093332 CN2019093332W WO2020155540A1 WO 2020155540 A1 WO2020155540 A1 WO 2020155540A1 CN 2019093332 W CN2019093332 W CN 2019093332W WO 2020155540 A1 WO2020155540 A1 WO 2020155540A1
Authority
WO
WIPO (PCT)
Prior art keywords
substrate
metal wire
power supply
additive manufacturing
resistance
Prior art date
Application number
PCT/CN2019/093332
Other languages
English (en)
Chinese (zh)
Inventor
李波波
卢秉恒
张丽娟
任晓飞
王强
李晓强
Original Assignee
西安增材制造国家研究院有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 西安增材制造国家研究院有限公司 filed Critical 西安增材制造国家研究院有限公司
Publication of WO2020155540A1 publication Critical patent/WO2020155540A1/fr

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10Sintering only
    • B22F3/105Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE 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
    • B33Y30/00Apparatus for additive manufacturing; Details thereof or accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10Sintering only
    • B22F3/105Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
    • B22F2003/1053Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding by induction
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

Definitions

  • the invention relates to the field of metal additive manufacturing, in particular to a resistance induction composite heating metal wire additive manufacturing device.
  • additive manufacturing (AM) technology is based on CAD/CAM design and uses a layer-by-layer accumulation method to manufacture solid parts. Compared with traditional subtractive manufacturing (cutting) technology, it is a material accumulation manufacturing method.
  • Additive manufacturing technology commonly known as 3D printing technology, is an advanced manufacturing technology that has developed rapidly in the past 30 years. Its advantage lies in the rapid and free manufacturing of three-dimensional structures. It is widely used in new product development and single-piece small-batch manufacturing. Among them, direct metal forming is Difficulties and hot spots in additive manufacturing technology.
  • the additive manufacturing technology of metal powder as a raw material is not only expensive, but also has the risk of explosion. In the processing process, it is necessary to pay attention to the harm of metal powder to the human body, resulting in higher processing costs.
  • the disadvantages of high-energy beam additive manufacturing technology mainly include high equipment cost, complex equipment structure, relatively large equipment volume, radiation pollution, and low molding efficiency under the same power.
  • the electron beam will be accompanied by the emission of gamma rays during the deposition process. If the device is not designed properly, it will cause radiation leakage and cause environmental pollution; another example is that laser sintering or laser melting technology cannot be applied to all metals, especially for laser reflection.
  • Metals with higher rates have poor forming efficiency.
  • the shortcomings of the electric gusset additive manufacturing technology is that it will produce a lot of noise and arc pollution, and the molding accuracy is also poor.
  • Other metal additive manufacturing methods include direct metal inkjet 3D printing (the Israeli 3D printing start-up XJet has completed the prototype development). This method is limited by the ratio of special metal inks and has a narrow application range.
  • the metal wire additive manufacturing method based on resistance thermal fusion accumulation molding refers to the use of Joule heat generated by the current flowing in the wire to directly melt the metal wire to realize the metal additive manufacturing process.
  • This technology realizes the direct conversion of electrical energy into heat energy required for metal melting, and the direct use of electrical energy without multiple intermediate conversions can achieve high utilization, high quality, low cost, green and environmentally friendly additive manufacturing of metal parts. It is a kind of material , Machinery, measurement and control technology and information processing integrated metal additive manufacturing method. However, this method is currently less widely used.
  • One of the reasons is its poor stability, serious arcing and splashing during printing, and poor bonding between layers and with substrates.
  • the metal wire additive manufacturing device has been disclosed, for example, the patent application number 201580075879.9 American Digital Alloy Company.
  • Chinese invention application CN201611186726.4 a resistance electromagnetic induction composite heating metal wire forming method, its basic structure is shown in Figure 1, including metal wire 1, pulsating wire feeding mechanism 2, protective gas 3, gas protective cover 4 , Electromagnetic induction power supply 5, electromagnetic induction coil 6, conductive nozzle 7, three-dimensional motion control system 8, power supply 9, fusion forming parts 10, substrate 11; when the metal wire is formed, it is conveyed to the front end of the metal wire through the nozzle Shielding gas to avoid the oxidation of metal filaments during the melting and accumulation process.
  • the above metal wire additive manufacturing device only illustrates the method of resistance thermal additive manufacturing, but there are the following problems:
  • the wire is softened during the heating process, and the contact tip must be in contact to conduct electricity, resulting in serious problems such as failure to deliver smoothly and blockage during the wire feeding process;
  • the first layer of high-temperature molten metal droplets will form a spherical shape when contacting the low-temperature substrate, and the spherical metal particles cannot be effectively compatible. The same can be pushed to the second to the Nth layer. , Resulting in poor layer-by-layer bonding, and even unable to form.
  • the substrate needs a higher temperature (close to the melting point of the metal) to form a metallurgical structure with the molten metal droplets. It is unrealistic to heat the entire substrate to such a high temperature. , The biggest problem of this solution is that the resistance thermal melting can only melt the metal wire itself, but cannot effectively combine with the matrix, resulting in forming defects or even failure;
  • the present invention provides a resistance induction composite heating metal wire additive manufacturing device.
  • a resistance induction composite heating metal wire material additive manufacturing device comprising a wire feeder, a contact nozzle, a substrate, an atmosphere protection device, and a power supply.
  • the wire feeder, the contact nozzle and the substrate are sequentially arranged from top to bottom.
  • the power supply The positive pole is connected to the contact tip, and the negative pole is connected to the substrate.
  • the special feature is that it also includes an ultra-high frequency induction heating device and a substrate heating device;
  • the ultra-high frequency induction heating device is a high-frequency induction heating coil, The induction heating coil is wound on the outside of the wire at the lower end of the contact nozzle through a ceramic sleeve, and is connected to the power supply;
  • the ultra-high frequency induction heating device is provided with a contact temperature measuring element, and the contact temperature measuring element is arranged on the ceramic sleeve On the tube;
  • the substrate heating device is arranged under the substrate for heating the substrate;
  • the substrate is provided with a substrate temperature measuring element for measuring the temperature of the substrate.
  • the UHF induction heating coil is fixed on the wire feeder, UHF induction heating can not only realize non-contact heating, but also ensure smooth movement of the moving platform, and has high heating efficiency, which is applicable to all metals.
  • the high-frequency induction heating coil is a hollow copper tube, and a cooling medium is passed through the hollow copper tube.
  • the parallel resistor R1 also includes a parallel resistor R1, one end of the parallel resistor R1 is connected to the conductive tip, and the other end is connected to the substrate.
  • the resistance value of the parallel resistor R1 is greater than the contact resistance when the metal wire is connected to the substrate, and smaller than the breakdown resistance of the gas between the contact tip and the substrate, so that the current shunted during normal printing can be negligibly small. Basically no additional system heat loss,
  • one end of the parallel resistor R1 is connected to the conductive mouth through a wire nose.
  • the power supply is a programmable power supply, and the programmable power supply has a constant current output mode and a constant voltage output mode.
  • the constant current output mode is used for melting of metal, and the constant voltage output mode is used for powering the parallel resistor R1.
  • the atmosphere protection structure includes an airtight box body, an inert gas tank connected with the airtight box body, and the airtight box body and
  • the pipeline connecting the inert gas tank is provided with an air intake pump, and the airtight box is provided with a water and oxygen content detection sensor, and the closed loop of the sensor controls the intake and exhaust of the inert gas;
  • the molten molding area forms an atmosphere protection.
  • the ceramic sleeve is made of boron nitride or silicon nitride.
  • the substrate is moved by a three-dimensional motion platform, and a heat sink is provided on the three-dimensional motion platform.
  • the present invention has the following beneficial effects:
  • an ultra-high frequency induction heating device is arranged under the contact nozzle and above the area to be printed, so as to realize non-contact and high-efficiency heating of the forming area, improve the bond between the metal droplet and the substrate, and benefit the layers and layers.
  • the combination with the substrate realizes high-quality metal 3D forming.
  • the present invention adopts an ultra-high frequency induction heating device.
  • the high-frequency induction heating device realizes rapid non-contact heating of the metal.
  • a strong magnetic field with instantaneous polarity changes is generated in the ultra-high frequency induction coil, and the area to be printed is close to the high-frequency coil ,
  • the wire passes through the high-frequency coil, the magnetic beam will penetrate the entire area to be printed, and the corresponding strong eddy current is generated in the direction opposite to the induction heating current inside the induction heating object, because there is resistance in the induction heating metal.
  • the strong eddy current heat energy makes the temperature of induction heating objects rise rapidly, and the heating layer is extremely thin, generally 0.1-0.5mm. Therefore, the UHF induction heating device has the advantages of non-contact high-efficiency heating and high heating efficiency.
  • the contact between the metal wire and the high-frequency induction heating coil causes a short circuit.
  • the ceramic sleeve can pass high-frequency magnetic fields well, and because of its incompatibility with metal droplets, it has the advantages of being difficult to plug.
  • a temperature measuring device is added to the wall of the casing to solve the difficulty of non-contact temperature measurement in the metal 3D printing process.
  • the contact temperature measurement is simple and convenient, and the temperature measurement is more accurate.
  • the molten metal is estimated based on the heat conduction equation.
  • Surface temperature through the control of resistance welding power supply, high-frequency induction power supply and substrate temperature control power supply to achieve precise control of closed-loop temperature in metal 3D, which helps to achieve high-quality metal 3D forming.
  • Ceramic bushings preferably use boron nitride and silicon nitride .
  • the present invention connects a resistor in parallel between the conductive tip and the substrate.
  • the parallel resistance creates a path for the current, thereby eliminating the arc and electric spark at the end of the conductive wire. This phenomenon avoids printing failures or major defects caused by violent melting and splashing of materials.
  • the present invention realizes a constant temperature environment in the printing area by heating the substrate by the heater at the bottom of the substrate, which can reduce the warpage and deformation of the printed article and improve the forming quality.
  • an airtight box is provided on the periphery of the printing area and contains an air intake and suction pump and a water and oxygen content detection sensor.
  • the box is equipped with an inert gas tank, which has a simple and reliable structure, accurate monitoring of the atmosphere and stable air pressure , The advantages of good protection effect.
  • Figure 1 is a diagram of an existing metal wire forming device with resistance electromagnetic induction composite heating
  • Figure 2 is a diagram of an additive manufacturing device for resistance induction composite heating metal wires of the present invention
  • FIG. 3 is a structural diagram of the ultra-high frequency induction heating device of the present invention.
  • FIG. 5 is a schematic diagram of the atmosphere protection box of the present invention.
  • Figure 6 is a schematic diagram of the additive manufacturing process of the metal wire of the present invention.
  • a resistance induction composite heating metal wire additive manufacturing device as shown in FIG. 2 includes a wire feeder 21, a conductive nozzle 22, a substrate 23, an atmosphere protection device 24 and a power supply, the wire feeder 21, a conductive nozzle 22 and a substrate 23 are arranged in order from top to bottom.
  • the positive pole of the power supply is connected to the contact tip 22, and the negative pole is connected to the substrate 23.
  • It also includes a parallel resistor R1, an ultra-high frequency induction heating device 25 and a substrate heating device 29.
  • One end of the parallel resistor R1 is connected to the conductive tip 22, and the other end is connected to the substrate 23.
  • One end of the parallel resistor R1 is specifically connected to the conductive tip 22 through the wire nose 27.
  • wire nose 27 is generally used for connection.
  • a parallel resistor of appropriate specifications is connected in parallel between the contact tip 22 and the substrate 23. When the metal wire 26 is separated from the substrate 23 due to some external reason, the parallel resistance creates a path for the current without arcing.
  • the principle of parallel resistance selection is much larger than the contact resistance when the metal wire 26 is turned on (the contact resistance when the metal wire 26 and the substrate 23 are turned on), so that during normal printing, the current shunted can be negligible. There is basically no additional system heat loss.
  • the resistance of the parallel resistance is smaller than the breakdown resistance of the macro protective gas (the gas breakdown resistance between the contact tip 22 and the substrate 23).
  • the parallel resistance is when the metal wire 26 and the substrate 23 are separated Play the role of diversion, and at the same time cooperate with the power control, from constant current to voltage source control, to ensure the minimum output power of the power supply, and further reduce the loss of the circuit.
  • the size and power of the appropriate parallel resistor need to be printed according to different Metal wire 26 to choose.
  • the ultra-high frequency induction heating device 25 includes a high frequency induction heating coil.
  • the high frequency induction heating coil is set on the metal wire 26 at the lower end of the contact tip 22 through a ceramic sleeve 28. It is connected to the power supply; the high-frequency induction heating coil can be a hollow copper tube, and the cooling medium is passed into the hollow copper tube.
  • the contact tip 22 connects the resistance welding current to the contact tip 22 through the wire nose 27.
  • the wire feeder 21 feeds the metal wire 26 into the contact tip 22, and continues to feed the high-frequency induction heating coil.
  • the high-frequency induction heating coil passes high-frequency current. , According to the size of the current, different structures can be designed.
  • the cooling water protection is introduced, because the large current can generate a strong magnetic field.
  • the resistance heat needs to be removed by circulating cold water, and a chiller is required; if If the current is small, it is not necessary.
  • High temperature wires can be used, or air cooling can be used.
  • a ceramic sleeve 28 is used to guide and insulate the metal wire 26.
  • the ceramic sleeve 28 allows the high-frequency magnetic field to pass through. There is a severe temperature gradient between the molten metal and it is in direct contact with the molten metal.
  • the sleeve has the characteristics of not blocking magnetic fields, good thermal shock resistance, and incompatible with metal droplets, so it has the advantages of not being easy to plug.
  • a temperature sensor is added to the casing wall, which solves the difficulty of non-contact temperature measurement in the metal 3D printing process, and realizes the contact temperature measurement simply and conveniently.
  • the surface temperature of the molten metal is estimated according to the heat conduction equation.
  • High-frequency induction power supply and substrate 23 temperature control power supply realize closed-loop temperature control of metal 3D printing, which helps to achieve high-quality metal 3D forming.
  • the substrate heating device 29 is provided on the substrate 23 for heating the substrate 23.
  • a temperature measuring element is provided on the substrate 23 for measuring the temperature of the substrate 23.
  • the temperature control power supply part of the substrate 23 realizes a constant temperature environment in the printing area, which can reduce the warpage and deformation of the printed article due to stress and improve the forming quality.
  • the substrate temperature control system can adopt various heating and temperature control methods, such as resistance heating or induction heating, etc., and need to add a temperature sensor to realize PID temperature control, and according to different heat treatment processes of different metal materials, different temperatures can be set If the substrate temperature is not high, no heat sink is required, or the substrate cooling is required to directly add cooling and heat dissipation to achieve a constant temperature environment for the substrate.
  • the power supply is a programmable power supply.
  • the programmable power supply has a constant current output mode and a constant voltage output mode.
  • the constant current output mode is used for metal melting, and the constant voltage output mode is used for parallel connection.
  • the programmable power supply is selected to supply power to the parallel resistor R1 in the constant voltage output mode.
  • the current limit is automatically adjusted to the constant voltage output mode through software. The maximum current and maximum voltage are set in the software, and they are automatically switched according to the load.
  • the resistance induction composite heating metal wire 26 additive manufacturing control system consists of six parts, namely the UHF power supply control part, the resistance welding control power supply part, the substrate temperature control power supply part, the three-dimensional motion control part, the wire feeding control part and the protective atmosphere Box control part.
  • the three parts of UHF power supply control part, resistance welding control power supply part and substrate temperature control power supply part can also be combined into an integrated power control.
  • the protective atmosphere box control part contains water and oxygen detection sensors, pressure detection sensors and air pump control.
  • the resistance welding control power supply part provides the electric energy for the melting of the metal wire. It can be produced by the method of DC, AC or pulse, or voltage source or current source, which is generated by the short circuit of the metal wire, mainly according to the characteristics of the melting and forming process of different metal materials. Joule hot-melting metal wire 26, according to different metal wires 26 and different forming efficiency, the general short-circuit resistance flow is selected from 1A-1000A. When the metal wire melts, the resistance changes drastically and nonlinearly. The power is realized through the power closed loop of the power supply. Tracking and matching of load.
  • the ultra-high frequency power supply part realizes the rapid non-contact heating of the metal.
  • a strong magnetic field with instantaneous polarity change is generated in the ultra-high frequency induction coil, and the area to be printed is close to the high-frequency coil.
  • the metal wire passes through the high-frequency coil, and the magnetic beam Will run through the entire area to be printed.
  • a corresponding strong eddy current is generated in the direction opposite to the induction heating current inside the induction heating object. Because there is electrical resistance in the metal that is heated by induction, strong eddy current heat energy is generated, which makes the temperature of the induction heated object rise rapidly, and the heating layer is extremely thin, generally 0.1-0.5mm.
  • the three-dimensional motion control part can be realized by constructing a motion control platform or a robot arm with a motor module.
  • the cabinet control part can be designed for atmosphere protection according to different metal materials, including gas purification system, circulation system and gas temperature control system. It needs water and oxygen sensor, pressure sensor, temperature sensor, gas tank, and gas pump.
  • the inlet and outlet control of the air valve can also be designed according to the vacuum-tight chamber, and a vacuum pump is required.
  • the atmosphere protection device 24 may specifically include an airtight box 241, an inert gas tank connected to the airtight box 241, an air pump 242 is provided on the pipeline connecting the airtight box 241 and the inert gas tank, and the airtight box 241 A water and oxygen content detection sensor is installed on it.
  • Different metal materials can be designed with different atmosphere protections.
  • Various gas purity sensors can include sensors such as water and oxygen content, gas pressure, etc., according to different needs, to achieve closed-loop control of gas quality and gas pressure, and can also be designed according to vacuum tight chambers , Need to be equipped with a vacuum pump. The wire feeding speed and movement speed need to match the process parameters.
  • the energy input part is the power control part, the space motion control part, the print head and wire feed control part and the box air pump control part need to be connected to the printer and the overall control system, and coordinate and control according to the process characteristics of different metal materials.
  • the movement mechanism of the present invention is arranged at the bottom of the base plate. Considering that the movement platform cannot withstand high temperature for a long time, resulting in deformation and movement inaccuracy, a radiator 31 is provided on the movement platform, and the radiator 31 can be selected according to the failure conditions. Cold, water cooling, semiconductor refrigeration and so on.
  • the principle of the present invention is based on the resistance heat generated after the metal wire is energized, and the metal wire is melted and formed by the resistance heat.
  • the metal wire is fed into the contact tip 22 through the automatic wire feeder 21, and the contact tip 22 is connected to the positive electrode of the resistance welding power source.
  • the metal substrate 23 is connected to the negative electrode of the resistance welding power source, and the top of the metal wire forms a loop with the substrate 23.
  • a certain form of current is passed to melt the end of the metal wire instantaneously. After melting, metal droplets are deposited on the substrate 23 due to gravity and surface tension. Above, there is a high-frequency induction coil between the contact tip 22 and the substrate 23.
  • the ultra-high-frequency induction power supply generates a strong magnetic field with instantaneous changes in polarity between the molten metal droplet and the substrate 23. This area generates eddy current heat to make the molten metal
  • the drop and the substrate 23 realize a metallurgical combination.
  • stacked metal parts can be formed on the substrate 23 to realize metal additive manufacturing.
  • the present invention connects the contact tip 22 and the substrate 23 in parallel with parallel resistors of appropriate specifications.
  • the parallel resistors create a path for the current to avoid arcing.
  • the printing process of the metal wire additive manufacturing device of the present invention is as follows:

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • General Induction Heating (AREA)

Abstract

La présente invention concerne un dispositif de fabrication additive utilisant un chauffage par résistance-induction combiné d'un matériau de fil métallique et résout le problème de mauvaise liaison entre des bouchons, des couches et des plaques de base rencontré dans les procédés de fabrication de dispositifs de fabrication additive existants utilisant des matériaux de fil métallique. Le dispositif comprend un dispositif d'alimentation en fil, une buse conductrice, une plaque de base, un dispositif de protection d'atmosphère et une alimentation électrique. Le dispositif d'alimentation en fil, la buse conductrice et la plaque de base sont séquentiellement disposés de haut en bas. Une électrode positive de l'alimentation électrique est connectée à la buse conductrice et une électrode négative est connectée à la plaque de base. Le dispositif comprend en outre un dispositif de chauffage par induction à ultra-haute fréquence et un dispositif de chauffage de plaque de base. Le dispositif de chauffage par induction à ultra-haute fréquence est une bobine de chauffage par induction à haute fréquence. La bobine de chauffage par induction à haute fréquence est enroulée autour du matériau de fil au niveau d'une extrémité inférieure de la buse conductrice au moyen d'une bague en céramique et est connectée à l'alimentation électrique. Un élément de mesure de température de contact est disposé sur la bague en céramique. Le dispositif de chauffage de plaque de base est disposé au-dessous de la plaque de base et est utilisé pour chauffer la plaque de base. Un élément de mesure de température de plaque de base est disposé sur la plaque de base et est utilisé pour mesurer la température de la plaque de base.
PCT/CN2019/093332 2019-01-28 2019-06-27 Dispositif de fabrication additive utilisant un chauffage par résistance-induction combiné d'un matériau de fil métallique WO2020155540A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910079711.5A CN109676137A (zh) 2019-01-28 2019-01-28 一种电阻感应复合加热金属丝材增材制造装置
CN201910079711.5 2019-01-28

Publications (1)

Publication Number Publication Date
WO2020155540A1 true WO2020155540A1 (fr) 2020-08-06

Family

ID=66194924

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/093332 WO2020155540A1 (fr) 2019-01-28 2019-06-27 Dispositif de fabrication additive utilisant un chauffage par résistance-induction combiné d'un matériau de fil métallique

Country Status (2)

Country Link
CN (1) CN109676137A (fr)
WO (1) WO2020155540A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11772188B1 (en) * 2021-11-04 2023-10-03 Lockheed Martin Corporation Additive friction stir deposition system for refractory metals

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109676137A (zh) * 2019-01-28 2019-04-26 西安增材制造国家研究院有限公司 一种电阻感应复合加热金属丝材增材制造装置
CN110340352A (zh) * 2019-07-02 2019-10-18 宁波哈勒姆电子科技有限公司 一种金属丝材快速增材制造设备及其制造方法
CN110202149B (zh) * 2019-07-03 2020-05-22 上海大学 一种激光立体成形加工装置及方法
CN110434426A (zh) * 2019-08-02 2019-11-12 宁波中星新材料研究院有限公司 一种钛合金电弧熔丝增材制造的气体保护装置
US11345093B2 (en) 2020-05-21 2022-05-31 Essentium, Inc. System and method of detecting failed bed adhesion for a three-dimensional printer
CN112475324A (zh) * 2020-10-28 2021-03-12 浙江万丰科技开发股份有限公司 一种3d打印机用模块式加热器
CN113172306A (zh) * 2021-04-22 2021-07-27 西安交通大学 一种中空电极送丝电弧增材制造系统及方法
CN114589468A (zh) * 2022-04-02 2022-06-07 合肥聚能电物理高技术开发有限公司 水冷电缆的修复工艺及接头

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104475951A (zh) * 2014-11-09 2015-04-01 北京工业大学 一种电阻加热金属丝材熔积成形方法
CN105499572A (zh) * 2016-01-05 2016-04-20 哈尔滨工程大学 一种电磁感应加热式3d打印机挤出喷头
CN106392076A (zh) * 2016-06-21 2017-02-15 中国科学院宁波材料技术与工程研究所 3d打印系统及其喷头装置
CN106623939A (zh) * 2016-12-20 2017-05-10 北京工业大学 一种电阻电磁感应复合加热金属丝材成形方法
WO2017195159A1 (fr) * 2016-05-13 2017-11-16 Marna Engineering As Dispositif de fusion de matériau
CN107414081A (zh) * 2017-06-19 2017-12-01 哈尔滨工业大学 金属增量制造的送丝熔丝系统及其应用方法
CN107755701A (zh) * 2017-10-19 2018-03-06 北京工业大学 一种电阻电磁感应摩擦复合加热金属丝材成形方法和装置
CN108356270A (zh) * 2018-03-26 2018-08-03 厦门大学 一种基于接触电阻加热的金属3d打印方法
CN109175603A (zh) * 2018-09-30 2019-01-11 西安增材制造国家研究院有限公司 一种金属细丝增材制造装置
CN109676137A (zh) * 2019-01-28 2019-04-26 西安增材制造国家研究院有限公司 一种电阻感应复合加热金属丝材增材制造装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1803567A1 (fr) * 2005-12-27 2007-07-04 Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO Système de jets de matériau
CN103878370B (zh) * 2014-04-09 2017-01-18 王利民 一种金属3d打印机生产设备
CN104174842B (zh) * 2014-08-26 2016-06-08 李帅 一种基于交变磁场的金属丝材增材设备及增材方法
DE102014226425A1 (de) * 2014-12-18 2016-06-23 Robert Bosch Gmbh 3D-Drucker für metallische Materialien
CN104646670B (zh) * 2015-03-06 2017-05-24 沈湧 高频感应熔融的金属3d打印机
KR101718967B1 (ko) * 2015-05-21 2017-04-04 주식회사 다원시스 복수의 유도가열 헤드를 구비한 3d 프린터
CN205341921U (zh) * 2016-01-05 2016-06-29 哈尔滨工程大学 一种电磁感应加热式3d打印机挤出喷头
CN108672936B (zh) * 2018-05-17 2020-04-10 湖南科技大学 一种基于感应加热熔丝与激光复合的增材制造装置与方法
CN209867363U (zh) * 2019-01-28 2019-12-31 西安增材制造国家研究院有限公司 一种电阻感应复合加热金属丝材增材制造装置

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104475951A (zh) * 2014-11-09 2015-04-01 北京工业大学 一种电阻加热金属丝材熔积成形方法
CN105499572A (zh) * 2016-01-05 2016-04-20 哈尔滨工程大学 一种电磁感应加热式3d打印机挤出喷头
WO2017195159A1 (fr) * 2016-05-13 2017-11-16 Marna Engineering As Dispositif de fusion de matériau
CN106392076A (zh) * 2016-06-21 2017-02-15 中国科学院宁波材料技术与工程研究所 3d打印系统及其喷头装置
CN106623939A (zh) * 2016-12-20 2017-05-10 北京工业大学 一种电阻电磁感应复合加热金属丝材成形方法
CN107414081A (zh) * 2017-06-19 2017-12-01 哈尔滨工业大学 金属增量制造的送丝熔丝系统及其应用方法
CN107755701A (zh) * 2017-10-19 2018-03-06 北京工业大学 一种电阻电磁感应摩擦复合加热金属丝材成形方法和装置
CN108356270A (zh) * 2018-03-26 2018-08-03 厦门大学 一种基于接触电阻加热的金属3d打印方法
CN109175603A (zh) * 2018-09-30 2019-01-11 西安增材制造国家研究院有限公司 一种金属细丝增材制造装置
CN109676137A (zh) * 2019-01-28 2019-04-26 西安增材制造国家研究院有限公司 一种电阻感应复合加热金属丝材增材制造装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11772188B1 (en) * 2021-11-04 2023-10-03 Lockheed Martin Corporation Additive friction stir deposition system for refractory metals

Also Published As

Publication number Publication date
CN109676137A (zh) 2019-04-26

Similar Documents

Publication Publication Date Title
WO2020155540A1 (fr) Dispositif de fabrication additive utilisant un chauffage par résistance-induction combiné d'un matériau de fil métallique
CN209867363U (zh) 一种电阻感应复合加热金属丝材增材制造装置
CN104646670B (zh) 高频感应熔融的金属3d打印机
KR102411595B1 (ko) 가열 냉각 기기
TWI415729B (zh) Mold with the uniform heating and cooling structure
CN104285109B (zh) 用于车辆的加热装置和冷却所述加热装置的电子控制单元的方法
US11305489B2 (en) 3D printing system for printing high melting temperature materials
CN106670623B (zh) 一种主动控制电弧增材制造层间温度的装置
CN109175603A (zh) 一种金属细丝增材制造装置
WO2015180639A1 (fr) Système pour fabriquer et former un élément métallique en trois dimensions à empilement à double fusion du type à résistance
CN208991758U (zh) 一种电阻热熔融金属丝材3d打印系统
WO2020078055A1 (fr) Procédé et dispositif de fabrication additive métallique mettant en œuvre une alimentation en poudre continue et un chauffage par induction
CN106312219B (zh) 一种热管散热器的焊接装置及焊接方法
CN106799493B (zh) 一种用于激光选区熔化送粉的粉末预热装置及其应用
CN105772893B (zh) 带视觉自动植锡的设备
CN110394536A (zh) 一种感应熔融金属丝机器人智能增材制造方法
CN206598542U (zh) 一种耐高温fdm打印头结构
CN106028493A (zh) 3d打印机挤出装置及其加热装置
CN101549433A (zh) 预热焊丝温控电阻套
CN108231372A (zh) 电磁线圈散热系统
CN207071495U (zh) 一种胶枪用加热装置
CN205519653U (zh) 一种非晶合金材料制备与成形一体化的3d打印装置
CN208991936U (zh) 一种金属细丝增材制造装置
CN104190570A (zh) 安培力驱动的s型流道焊料喷射头
CN210234014U (zh) 电子制冷热管式3d打印恒温装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19913237

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19913237

Country of ref document: EP

Kind code of ref document: A1