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Novel stir friction additive manufacturing machine

A technology of friction stir and additive manufacturing, which is applied in the field of engineering manufacturing, can solve the problem of high cost, achieve the effect of simplifying the additive manufacturing process, reducing costs, and avoiding the reduction of strength

Inactive Publication Date: 2018-06-15
DALIAN UNIV OF TECH
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Problems solved by technology

[0003] The problem to be solved by the present invention is how to design a novel friction stir additive manufacturing machine to solve the problem of high cost in high-efficiency additive manufacturing

Method used

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  • Novel stir friction additive manufacturing machine

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Embodiment Construction

[0014] The specific implementation manners of the present invention will be further described below in conjunction with the accompanying drawings and technical solutions.

[0015] A new type of friction stir additive manufacturing machine, including a powder feeding system, a grinding system, a welding system, a powder outlet 9 and a baffle plate 8;

[0016] The powder feeding system includes a threaded bearing 1 and a feeding cylinder 10, the threaded bearing 1 is located inside the feeding cylinder 10, and the rotation of the bearing 1 generates a downward force to push the metal powder in the feeding cylinder 10 The material is pressed into the welding system;

[0017] The grinding system includes a sleeve 2 and a sleeve shoulder 3; the sleeve 2 is set on the outside of the feeding cylinder 10, the sleeve 2 is fixed on the sleeve shoulder 3 to form a whole, and the sleeve 2 It can rotate by itself and perform translational movement, and the rotation direction is consistent...

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Abstract

The invention belongs to the field of industrial manufacturing, and provides a novel stir friction additive manufacturing machine. The novel stir friction additive manufacturing machine comprises a powder feeding system, a grinding system, a welding system, a powder outlet and a striker plate. The machine is mainly used for the field of industrial additive manufacturing, the core principle adoptsmechanical friction, and then the cost is low compared with laser additive manufacturing. In the additive manufacturing process, it can be guaranteed that no gap exists in contact of an additive layerand the workpiece surface, the mechanical property of workpieces is greatly improved, and the stability of the workpieces is greatly improved. Therefore, the workpieces obtained after additive manufacturing is uniform in stress in the use process, and the service life is prolonged. Accordingly, the advantages of the mechanics and mechanical design are fully combined, and then the additive manufacturing process is simplified, and the cost is lowered.

Description

technical field [0001] The invention belongs to the technical field of engineering manufacturing, and in particular relates to a novel friction stir additive manufacturing machine. Background technique [0002] The development of additive manufacturing technology has promoted the progress of engineering manufacturing technology. The manufacturing heat source mainly comes from lasers, electron beams, etc. During the manufacturing process, material melting will cause problems such as thermal cracks. Therefore, based on the principle of additive manufacturing , developed a new technology for additive manufacturing based on mechanical stir friction, which can use frictional heat to make metal powder in a thermoplastic flow state, but the material is still below the melting point, thereby avoiding problems such as thermally induced cracks due to material melting. Contents of the invention [0003] The problem to be solved by the present invention is how to design a novel fricti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P23/00B23K20/12
CPCB23P23/00B23K20/1215
Inventor 张昭苑红磊谭治军姚欣欣葛芃李健宇亢战
Owner DALIAN UNIV OF TECH
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