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Novel metal wire fused deposition processing mechanism and process

A technology of fused deposition and processing mechanism, applied in additive processing, additive manufacturing, etc., which can solve problems such as easy peeling, poor surface quality, and peeling between layers or lines

Pending Publication Date: 2021-04-09
WUXI PROFESSIONAL COLLEGE OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when metal wires are superimposed in a cold state, the layers are easy to peel off, and the force generated when building the part structure is likely to cause peeling between layers or lines. In the molten state, due to the lack of restraint of the liquid droplets, the shape after solidification is out of control, and the surface quality is poor.

Method used

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  • Novel metal wire fused deposition processing mechanism and process
  • Novel metal wire fused deposition processing mechanism and process
  • Novel metal wire fused deposition processing mechanism and process

Examples

Experimental program
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Effect test

Embodiment 1

[0030] Embodiment 1: as Figure 1 to Figure 5 As shown, a new processing mechanism and process of metal wire fusion deposition includes a workbench 41, and the top of the workbench 41 is provided with an optical path system, a feeding mechanism and a control system.

[0031] The optical path system includes: a laser 10, a beam expander 11, and a vibrating mirror 12. The vibrating mirror 12 is set above the workbench 41. The beam expander 11 is set on the side of the vibrating mirror 12. The laser 10 is set on the beam expander 11 away from the vibrating mirror 12. On one side, the control system is connected with the laser 10 and the vibrating mirror 12, and controls the laser 10 and the vibrating mirror 12. The workpiece 40 is arranged on the top of the workbench 41, and the workpiece 40 is located directly under the vibrating mirror 12.

[0032] The beam emitted by the laser 10 is expanded by the beam expander 11, then enters the vibrating mirror 12, is focused by the focusi...

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PUM

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Abstract

The invention provides a novel metal wire fused deposition processing mechanism and process. When the mechanism is adopted, metal wires can be preheated in a high-frequency heating mode while being conveyed, so that the metal wires are in a high-temperature semi-molten state in the stacking process, in the stacking process, a laser beam is used for heating and melting the metal wires to achieve layered stacking, after stacking is completed, the laser beam is used for cutting the metal wires, the phenomenon of wire drawing or stacked part disengaging is avoided, and the surface quality and the size precision of a workpiece are reduced. The mechanism comprises a feeding mechanism with a high-frequency heating function, a two-dimensional scanning galvanometer, a laser, a beam expander, a lifting workbench and a control system. The mechanism has the advantages that various parts can be manufactured through fused deposition of the metal wires, and meanwhile, the parts have higher dimensional precision and bright and clean appearance.

Description

technical field [0001] The invention relates to the technical field of metal wire fusion deposition technology, in particular to a novel metal wire fusion deposition processing mechanism and technology. Background technique [0002] In the past ten years, various rapid prototyping technologies derived from the principle of layered superposition have been developed rapidly. At present, there are three main popular molding processes: laser curing resin, powder sintering, and fusion deposition. Parts made of laser-cured liquid resin have high precision, but low strength and high cost. They are often used in the manufacture of non-stressed parts such as models and prototypes, and are widely used in the 3C industry; powder sintering is divided into metal powder and non-metal powder sintering. Non-metal powder is often used in casting models, metal powder parts can be used directly, the precision is higher than non-metal powder parts, the strength is the highest, but the cost is a...

Claims

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Application Information

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IPC IPC(8): B22F12/50B22F12/30B22F10/18B22F10/36B22F10/31B33Y10/00B33Y30/00B33Y50/02
CPCB33Y10/00B33Y30/00B33Y50/02
Inventor 高永强
Owner WUXI PROFESSIONAL COLLEGE OF SCI & TECH
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