CN113618081A - Selectable heat source additive rolling integrated forming device - Google Patents

Selectable heat source additive rolling integrated forming device Download PDF

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Publication number
CN113618081A
CN113618081A CN202110951582.1A CN202110951582A CN113618081A CN 113618081 A CN113618081 A CN 113618081A CN 202110951582 A CN202110951582 A CN 202110951582A CN 113618081 A CN113618081 A CN 113618081A
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China
Prior art keywords
rolling
heat source
substrate
integrated forming
workstation
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Granted
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CN202110951582.1A
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Chinese (zh)
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CN113618081B (en
Inventor
陈希章
李强
王艳虎
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Wenzhou University
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Wenzhou University
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Priority to CN202110951582.1A priority Critical patent/CN113618081B/en
Publication of CN113618081A publication Critical patent/CN113618081A/en
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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
    • B22F10/66—Treatment of workpieces or articles after build-up by mechanical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
    • 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
    • B22F10/25—Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
    • 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
    • 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
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • 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
    • 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
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • 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
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
    • B33Y40/20—Post-treatment, e.g. curing, coating or polishing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)

Abstract

The invention discloses a heat source selectable additive rolling integrated forming device which is characterized by comprising a workbench, wherein a workpiece moving track and a substrate are arranged on the workbench, and a metal deposition layer is arranged on the upper surface of the substrate; the welding gun device and the rolling device are also included, and the rolling device comprises a roller fixing device, a roller wheel and a servo motor; the device also comprises a heating device, a quick cooling device, a temperature measuring device and a measuring device; compared with the prior art, the selectable heat source additive rolling integrated forming device integrates the rolling device and the cold and heat control device, can switch or replace heat sources and quick cooling media to adapt to different alloy manufacturing requirements, can perform cold rolling and hot rolling on an additive workpiece, can anneal the workpiece at a specific temperature, can reduce internal stress of the material and refine grains, and thus can manufacture a material with few defects and excellent mechanical property.

Description

Selectable heat source additive rolling integrated forming device
Technical Field
The invention belongs to the field of metal manufacturing, relates to a metal manufacturing device, and particularly relates to a heat source selectable additive rolling integrated forming device.
Background
Due to the fact that the additive manufacturing can print parts with complex shapes, the additive manufacturing has the advantages of being high in safety, capable of achieving high precision, high in product diversity degree and the like, and has a good application prospect. In addition, compared with traditional material reduction and material equalization, the additive manufacturing has the advantages of high efficiency and low cost. However, the metal and the part manufactured by the additive have the defect of insufficient mechanical property.
Furthermore, the search for a balance of strength and toughness of the material is considered to be a paradox. However, rolling is a common means for adjusting mechanical properties of metal materials, and the presence of plastic deformation can refine crystal grains and improve material strength, and the presence of plastic deformation can increase dislocations in the alloy and improve material toughness, and thus a material having high strength and excellent toughness can be obtained.
However, aiming at the problem of poor performance of the additive manufacturing alloy, the technical personnel in the field need to solve the problem by adopting which means to improve the strength and toughness of the additive manufacturing prepared material.
Disclosure of Invention
The invention aims to provide an optional heat source additive rolling integrated forming device, which can be used for an additive rolling integrated three-dimensional forming device capable of cladding metal powder by using different processing heat sources, can be used for rolling (cold rolling and hot rolling) additive workpieces, annealing semi-finished workpiece alloys at a specific temperature, and can reduce internal stress of materials and refine grains, so that the materials with few defects and excellent mechanical properties can be manufactured.
In view of the above, the technical solution adopted by the present invention to solve the technical problem is: the material-adding and rolling integrated forming device with the selectable heat source is characterized by comprising a workbench, wherein a workpiece moving track is arranged on the workbench, a substrate is arranged on the workpiece moving track, the bottom of the substrate is connected with the workpiece moving track in a matched manner, the workpiece moving track is provided with a driving unit, the driving unit is used for driving the substrate to reciprocate along the workpiece moving track, and the upper surface of the substrate is a metal deposition layer;
the welding gun device is used for carrying out metal deposition processing on a workpiece on a metal deposition layer of the substrate, and the rolling device comprises a roller fixing device, a rolling roller and a servo motor for driving the rolling roller to move relative to the substrate;
still including being located the workstation and being provided with heating device, heating device is including being snakelike distribution in the heating pipe in the workstation, still set up fast cold charge on the workstation, fast cold charge is located workstation upper surface and is close to work piece moving track department relatively and sets up for connect the work piece of external cooling equipment on to the base plate and cool off, still including temperature measuring device, measuring device on the workstation.
As a further arrangement of the above scheme, the welding gun device includes a nozzle, a front end of the nozzle is disposed toward the substrate, and a heat source port and a powder feeding port are sequentially disposed at a front end portion from inside to outside, the powder feeding port is disposed around the heat source port in a trapezoidal shape, and a connector is disposed at a rear end of the nozzle for connecting with a heat source device.
As a further arrangement of the scheme, the heat source port and the powder feeding port are respectively connected with the gas tank.
As a further arrangement of the above scheme, the servo motor is fixed on the workbench, the main shaft of the servo motor is linked with the movable track arranged on the roller fixing device, the two ends of the roller wheel are provided with the driving gears, and the servo motor can drive the roller wheel to reciprocate relative to the height direction of the workbench and is used for controlling the vertical pressure of the roller wheel on the metal deposition layer.
As a further arrangement of the above scheme, the body of the nip roller opposite to the base plate and the driving gears at the two ends are movably arranged relatively, and the nip roller can freely rotate relative to the driving gears.
As a further arrangement of the scheme, the temperature measuring device is arranged on the upper surface of the workbench, and the temperature measuring probe of the temperature measuring device is arranged right opposite to the substrate.
As a further configuration of the above solution, the measuring device is disposed on the upper surface of the workbench and is used for accurately measuring the height of the metal deposition layer and the rolling height.
As a further arrangement of the above solution, the external cooling device connected to the rapid cooling device includes a cooling medium nozzle device for quenching with any one of oil, water, and inert gas.
Has the advantages that: compared with the prior art, the selectable heat source additive rolling integrated forming device can switch or replace the heat source and the quick cooling medium, in addition, compared with the prior art, the rolling device and the cold and hot control device are integrated, the additive workpiece can be rolled (cold rolling and hot rolling), and the semi-finished workpiece alloy is annealed at a specific temperature, so that the internal stress of the material can be reduced, the crystal grains can be refined, thereby manufacturing the material with less defects and excellent mechanical property, in particular the device of the invention calculates the numerical value and various matching data according to the process requirement, the preparation of the alloy can be realized by programming program control, and meanwhile, the whole process is controlled by mechanical equipment to complete integrated molding, the manufacturing process of the alloy can be copied and controlled, the change and the quality influence caused by errors and other problems can be avoided, and the method is particularly suitable for adjusting and manufacturing experiments in laboratories or testing the performance of the alloy.
Drawings
Fig. 1 is a schematic perspective view of an integrated molding apparatus according to the present invention.
Fig. 2 is a schematic side view structure of the device of the present invention.
Fig. 3 is a schematic view of a heating device of the present invention.
Fig. 4 is a schematic view of the welding gun device of the present invention.
Reference numerals: 1. a work table; 11. a temperature measuring device; 12. a measuring device; 2. a welding gun device; 21. a nozzle; 22. a heat source port; 23. a powder feeding port; 3. a rolling device; 31. a roll fixing device; 311. a movable track; 32. a roll wheel; 33. a servo motor; 4. a rapid cooling device; 5. a heating device; 51. heating a tube; 6. a workpiece moving track; 7. a substrate; 8. a metal deposition layer.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments of the present invention, and it is obvious that the embodiments described are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the technical concept of the present invention, a person skilled in the art should make modifications and substitutions to the technical solution, which fall within the protection scope of the present invention.
1-4, the material adding and rolling integrated forming device with the optional heat source is characterized by comprising a workbench 1, wherein a workpiece moving track 6 is arranged on the workbench 1, a substrate 7 is arranged on the workpiece moving track 6, the bottom of the substrate 7 is in matched connection with the workpiece moving track 6, the workpiece moving track 6 is provided with a driving unit, the driving unit is used for driving the substrate 7 to reciprocate along the workpiece moving track 6, and a metal deposition layer 8 is arranged on the upper surface of the substrate 7;
the device comprises a welding gun device 2 and a rolling device 3, wherein the welding gun device 2 and the rolling device 3 are arranged above a substrate 7, the welding gun device 2 is used for performing metal deposition processing on a workpiece on a metal deposition layer 8 of the substrate 7, and the rolling device 3 comprises a roller fixing device 31, a rolling roller 32 and a servo motor 33 for driving the rolling roller 32 to move relative to the substrate 7;
still including being located workstation 1 and being provided with heating device 5, heating device 5 is including being snakelike distribution in the heating pipe 51 of workstation 1, still set up fast cold charge and take off 4 on the workstation 1, fast cold charge and take off 4 and be located workstation 1 upper surface and move 6 departments settings of work piece near relatively for connect the work piece of external cooling equipment on to base plate 7 and cool off, still including temperature measuring device 11, measuring device 12 on the workstation 1.
As a further arrangement of the above scheme, the welding gun device 2 includes a nozzle 21, the front end of the nozzle 21 is disposed toward the substrate 7, and the front end portion is sequentially provided with a heat source port 22 and a powder feeding port 23 from inside to outside, the powder feeding port 23 is disposed around the heat source port 22 in a trapezoidal shape, and the rear end of the nozzle 21 is provided with a connector for connecting a heat source device.
As a further arrangement of the scheme, the heat source port 22 and the powder feeding port 23 are respectively connected with the gas tank.
As a further arrangement of the above scheme, the servo motor 33 is fixed on the workbench 1, the main shaft thereof is linked with the movable rail 311 arranged on the roll fixing device 31, the two ends of the roll wheel 32 are provided with driving gears, and the servo motor 33 can drive the roll wheel 32 to reciprocate relative to the height direction of the workbench 1 for controlling the vertical pressure of the roll wheel 32 on the metal deposition layer 8.
As a further arrangement of the above scheme, the body of the nip roller 32 opposite to the base plate 7 is movably arranged opposite to the driving gears at the two ends, and the nip roller 32 can freely rotate relative to the driving gears.
As a further arrangement of the above scheme, the temperature measuring device 11 is arranged on the upper surface of the workbench 1, and the temperature measuring probe of the temperature measuring device is arranged opposite to the substrate 7.
As a further arrangement of the above solution, the measuring device 12 is disposed on the upper surface of the work table 1, and is used for accurately measuring the height of the metal deposition layer 8 and the rolling height.
As a further arrangement of the above solution, the external cooling device connected to the rapid cooling device 4 includes a cooling medium nozzle device for quenching with any one of oil, water, and inert gas.
Example (b): when the device is used for additive manufacturing, a proper heat source nozzle can be selected according to different processing conditions. In this example, the powdered material and the plasma arc are used as heat sources, and it should be noted that the present invention is not limited to the heat sources described in the examples.
The powder material of the embodiment is sent out from the powder feeding port 23 of the nozzle 21, the plasma arc works in the heat source port 22 of the nozzle 21, the powder feeding of the powder material is earlier than the plasma arc, namely, the gas tank of the powder feeding port 23 works before the heat source port 22, the metal deposition layer 8 is prepared on the substrate 7 of the worktable 1 by the structure, because the powder feeding gas flow and the power of the heat source are fixed and constant during the deposition of each layer, the height of each layer can be considered to be fixed and constant, the specific height can be accurately measured by the measuring device 12, and the specific measuring time and the application of the measuring device 12 are described below.
Subsequently, the metal deposition layer 8 together with the base plate 7 moves along the workpiece moving rail 6 on the table 1 to the rolling work area, i.e., directly below the roll wheel 32 of the rolling device 3. After the height of the metal deposition layer 8 is obtained by the measuring device 12 in the rolling work area, the rolling amount of the rolling device 3 can be artificially determined and set, the heating device 5 and the rapid cooling device 4 are controlled to start rolling according to the selected rolling mode (cold rolling and hot rolling), and the rolling amount is accurately controlled by controlling the servo motor 33 of the rolling device 3.
Wherein, the rolling mode is as follows:
1) selecting hot rolling, determining the hot rolling temperature, detecting the temperature rise of a workpiece based on a temperature measuring probe of a temperature measuring device 11, adjusting the hot rolling temperature through a heating device 5 below a workbench 1, and controlling and adjusting the temperature of the workpiece;
2) cold rolling is selected, the temperature measuring device 11 uses a temperature measuring probe to monitor the temperature of the workpiece and rolls the workpiece after cooling to room temperature, and the temperature can also be reduced by a proper mode through the quick cooling device 12.
It is worth noting that: whether hot rolling or cold rolling, it is necessary to select an appropriate annealing temperature for the phase composition and mechanical properties required for the production of the internal formation of the alloy. After the corresponding annealing temperature is selected, a temperature probe is used for temperature monitoring, and a heating device 5 is used for maintaining the temperature of the workpiece. And after the required annealing treatment is finished, selecting a corresponding cooling medium to rapidly cool the workpiece according to the cooling mode, so as to meet the process requirement.
And continuously repeating the powder feeding, the fused deposition process and the rolling step in the additive manufacturing process until a final formed workpiece is formed finally.
Compared with the prior art, the selectable heat source material increase rolling integrated forming device can switch or replace heat sources and quick cooling media to adapt to different alloy manufacturing requirements, integrates the rolling device and the cold and heat control device, can anneal semi-finished alloy at a specific temperature, and can reduce internal stress of the material and refine grains, so that the material with few defects and excellent mechanical property is manufactured.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (8)

1. The material adding and rolling integrated forming device with the selectable heat source is characterized by comprising a workbench (1), wherein a workpiece moving track (6) is arranged on the workbench (1), a substrate (7) is arranged on the workpiece moving track (6), the bottom of the substrate (7) is connected with the workpiece moving track (6) in a matched manner, a driving unit is arranged on the workpiece moving track (6) and used for driving the substrate (7) to move back and forth along the workpiece moving track (6), and a metal deposition layer (8) is arranged on the upper surface of the substrate (7);
the device is characterized by further comprising a welding gun device (2) and a rolling device (3) which are arranged above the substrate (7), wherein the welding gun device (2) is used for performing metal deposition processing on a workpiece on a metal deposition layer (8) of the substrate (7), and the rolling device (3) comprises a roller fixing device (31), a rolling roller (32) and a servo motor (33) for driving the rolling roller (32) to move relative to the substrate (7);
still be provided with heating device (5) including being located workstation (1), heating device (5) are including being snakelike heating pipe (51) of distributing in workstation (1), still set up fast cold charge device (4) on workstation (1), fast cold charge device (4) are located workstation (1) upper surface and are close to work piece removal track (6) department setting relatively, and it is used for connecting the work piece of external cooling equipment on to base plate (7) and cools off, still including temperature measuring device (11), measuring device (12) on workstation (1).
2. The alternative heat source additive rolling integrated forming device as claimed in claim 1, wherein: the welding gun device (2) comprises a nozzle (21), the front end of the nozzle (21) is arranged towards the substrate (7), a heat source port (22) and a powder feeding port (23) are sequentially arranged at the front end part from inside to outside, the powder feeding port (23) is arranged around the heat source port (22) in a trapezoidal shape, and a connector is arranged at the rear end of the nozzle (21) and used for being connected with heat source equipment.
3. The alternative heat source additive rolling integrated forming device as claimed in claim 2, wherein: the heat source port (22) and the powder feeding port (23) are respectively connected with the gas tank.
4. A selectable heat source additive rolling integral forming apparatus as claimed in claim 1 or 3, wherein: servo motor (33) are fixed in on workstation (1), and movable track (311) that set up on its main shaft linkage roll fixing device (31), roll wheel (32) both ends set up drive gear, servo motor (33) can drive roll wheel (32) relative workstation (1) direction of height reciprocating motion for the vertical pressure of control roll wheel (32) to metal deposition layer (8).
5. The alternative heat source additive rolling integrated forming device as claimed in claim 4, wherein: the body of the rolling wheel (32) opposite to the base plate (7) and the driving gears at the two ends are arranged movably relatively, and the rolling wheel (32) can rotate freely relative to the driving gears.
6. The alternative heat source additive rolling integrated forming device as claimed in claim 1, wherein: the temperature measuring device (11) is arranged on the upper surface of the workbench (1), and a temperature measuring probe of the temperature measuring device is arranged right opposite to the substrate (7).
7. The alternative heat source additive rolling integrated forming device as claimed in claim 1, wherein: the measuring device (12) is arranged on the upper surface of the workbench (1) and is used for accurately measuring the height of the metal deposition layer (8) and the rolling height.
8. The alternative heat source additive rolling integrated forming device as claimed in claim 1, wherein: the external cooling equipment connected with the quick cooling device (4) comprises a cooling medium nozzle device used for quenching and provided with any one of oil, water and inert gas.
CN202110951582.1A 2021-08-17 2021-08-17 Optional heat source additive rolling integrated into one piece device Active CN113618081B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110951582.1A CN113618081B (en) 2021-08-17 2021-08-17 Optional heat source additive rolling integrated into one piece device

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Application Number Priority Date Filing Date Title
CN202110951582.1A CN113618081B (en) 2021-08-17 2021-08-17 Optional heat source additive rolling integrated into one piece device

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103878370A (en) * 2014-04-09 2014-06-25 王利民 Metal 3D printer production equipment
CN107073817A (en) * 2014-09-19 2017-08-18 富士机械制造株式会社 Manufacture device and manufacture method
CN109605039A (en) * 2019-01-14 2019-04-12 南京航空航天大学 A kind of electric arc increasing material and electric auxiliary hot rolling forming composite manufacturing method and device
US20190134746A1 (en) * 2017-08-16 2019-05-09 Jenoptik Industrial Metrology Germany Gmbh Device for powder bed-based genrative production of metallic components
CN110499433A (en) * 2019-09-16 2019-11-26 南华大学 Laminar composite increasing material manufacturing device and method based on roll-in and electric arc
US20200147685A1 (en) * 2018-11-10 2020-05-14 Concept Laser Gmbh Plant for additively manufacturing at least one three-dimensional object
CN111922655A (en) * 2020-07-31 2020-11-13 南京尚吉增材制造研究院有限公司 Continuous wire feeding induction heating composite rolling semi-solid additive manufacturing system and method
CN112139498A (en) * 2020-09-21 2020-12-29 昆明理工大学 Material increase manufacturing process and equipment for selective laser melting composite online rolling

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103878370A (en) * 2014-04-09 2014-06-25 王利民 Metal 3D printer production equipment
CN107073817A (en) * 2014-09-19 2017-08-18 富士机械制造株式会社 Manufacture device and manufacture method
US20190134746A1 (en) * 2017-08-16 2019-05-09 Jenoptik Industrial Metrology Germany Gmbh Device for powder bed-based genrative production of metallic components
US20200147685A1 (en) * 2018-11-10 2020-05-14 Concept Laser Gmbh Plant for additively manufacturing at least one three-dimensional object
CN109605039A (en) * 2019-01-14 2019-04-12 南京航空航天大学 A kind of electric arc increasing material and electric auxiliary hot rolling forming composite manufacturing method and device
CN110499433A (en) * 2019-09-16 2019-11-26 南华大学 Laminar composite increasing material manufacturing device and method based on roll-in and electric arc
CN111922655A (en) * 2020-07-31 2020-11-13 南京尚吉增材制造研究院有限公司 Continuous wire feeding induction heating composite rolling semi-solid additive manufacturing system and method
CN112139498A (en) * 2020-09-21 2020-12-29 昆明理工大学 Material increase manufacturing process and equipment for selective laser melting composite online rolling

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