A kind of plasma 3D printing equipment and method

A 3D printing and plasma technology, applied in metal processing equipment, 3D object support structure, additive manufacturing, etc., can solve the problem of high operating cost

Active Publication Date: 2018-05-11
中研碧诚(北京)科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This makes SLM rapid prototyping equipment expensive to run

Method used

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  • A kind of plasma 3D printing equipment and method
  • A kind of plasma 3D printing equipment and method
  • A kind of plasma 3D printing equipment and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0081] like figure 1 The shown plasma 3D printing equipment is composed of a monitoring system, a plasma beam processing system and a printing platform. The printing platform includes a horizontal printing platform 4 for placing the workpiece 3 to be printed and adjusting the position of the horizontal printing platform 4 The printing table position adjustment device, the horizontal printing table 4 is installed on the printing table position adjustment device.

[0082] The plasma beam processing system is composed of a plasma generator equipped with a shower head and used to generate a plasma beam, a printing distance adjustment device that adjusts the distance between the outlet of the shower head and the horizontal printing table 4, and provides the plasma The volume generator is composed of a gas supply device 1 for providing working gas and a powder feeder 2 for continuously feeding printing materials into the plasma generator. The plasma generator is located above the ho...

Embodiment 2

[0136] In this example, if Figure 7 As shown, the difference between the plasma 3D printing equipment used and the embodiment 1 is that the nozzle 13 - 5 and the powder circulation channel 14 are arranged coaxially.

[0137] In this way, after changing the direction of the plasma beam through the nozzle 13-5, the thermal load impact of the plasma jet on the anode nozzle 13-2 can be effectively reduced, and the anode ablation condition is improved. At the same time, since the nozzle 13-5 is coaxially arranged with the powder circulation channel 14, the acceleration, heating and melting process of the powder will not be affected, and the use effect is very good.

[0138] In this embodiment, the structure, connection relationship and working principle of the rest of the plasma 3D printing equipment used are the same as those in Embodiment 1.

[0139] In this embodiment, the plasma 3D printing method adopted is the same as that in Embodiment 1.

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Abstract

The invention discloses plasma 3D printing equipment and method. The equipment comprises a monitoring system, a plasma beam processing system, and a printing platform. The plasma beam processing system consists of a plasma generator provided with a nozzle, a printing distance adjusting device for adjusting the distance between a nozzle outlet and a horizontal printing table, a gas supply device and a powder feeding device. The monitoring system includes a position adjustment controller, a temperature detection unit, a distance detection unit and a printing distance adjusting controller; and the temperature detection unit and the printing distance adjusting controller form a temperature adjustment device. The method comprises the following steps: 1, acquisition of a 3D model of a workpiece to be printed, and hierarchical slicing processing; 2, scanning path filling; 3, printing path acquisition; and 4, printing layer by layer from top to bottom. The invention has the advantages of reasonable design, simple operation, high molding efficiency, good usage effect, no need of enclosed moulding chamber, protection atmosphere or vacuum environment, and direct molding of workpiece in atmosphere environment.

Description

technical field [0001] The invention belongs to the technical field of rapid prototyping, and in particular relates to a plasma 3D printing device and method. Background technique [0002] At present, the rapid prototyping technology of metal parts at home and abroad is mainly the selective laser melting rapid prototyping technology (Selective laser melting, SLM). For example, the US Patent No. US7047098 "PROCESS ANDDEVICE FOR PRODUCING A SHAPED BODY BY SELECTIVE LASER MELTING" describes in detail a selective laser melting forming method and equipment for manufacturing dense parts using a three-dimensional digital model. The Chinese invention patent "selective laser melting rapid prototyping equipment for direct manufacturing of large parts" with the publication number CN102266942A discloses a selective laser melting rapid prototyping equipment for direct manufacturing of large dense parts, which mainly includes laser arrays, optical system arrays, molding Cylinder, forming...

Claims

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Application Information

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Patent Type & AuthorityPatents(China)
IPC IPC(8): B29C64/141B29C64/20B29C64/245B29C64/321B22F3/105B28B1/00B33Y10/00B33Y30/00B33Y40/00
CPCY02P10/25
Inventor华云峰
Owner中研碧诚(北京)科技有限公司