Wire-powder cooperation and laser-electric arc composite additive manufacturing device and method

Abstract

The invention discloses a wire-powder cooperation and laser-electric arc composite additive manufacturing device and method. The additive manufacturing device comprises a non-consumable electrode electric arc welding gun device for wire-powder coaxial heating feeding and a laser splitter set; the non-consumable electrode electric arc welding gun device for wire-powder coaxial heating feeding comprises an ultrasonic vibration gun body and a spiral stirring assembly, the ultrasonic vibration gun body comprises an amplitude-change pole and a transducer, the lower end of the amplitude-change pole is in a concave spherical curved surface shape, a powder feeding and air feeding combined channel is formed in the side portion of the amplitude-change pole, the spiral stirring assembly comprises a spiral stirring rod and a spiral blade, a main wire feeding and air feeding combined channel is arranged in the spiral stirring rod, and a hollow tungsten electrode is connected to the bottom of the spiral stirring rod; and the laser splitter set comprises a splitting reflector, a reflector set and a convex lens. The additive manufacturing device can achieve multi-mode additive manufacturing of field-force-heat combination and distribution, and has the advantages of being diversified in additive modes, high in additive efficiency, good in forming quality, high in material utilization rate, high in combinability and capable of adjusting alloy components flexibly.

Description

technical field [0001] The invention belongs to the technical field of additive manufacturing, and in particular relates to an additive manufacturing device and method of silk-powder synergy + laser-arc composite. Background technique [0002] Additive manufacturing technology has been widely used in aerospace, energy chemical industry, shipbuilding and other fields because of its advantages of rapid prototyping of large-scale integrated complex components. For the current metal additive manufacturing technology, the raw materials usually used are metal powder or wire, which can be divided into additive manufacturing processes of coaxial powder feeding, pre-powdering and direct wire feeding according to the feeding method of raw materials; According to different heat sources, it can be divided into laser beam, electron beam and arc additive manufacturing technology. In actual laser additive manufacturing, metal powder materials such as aluminum-magnesium-copper alloys have ...

AI Technical Summary

Problems solved by technology

In actual laser additive manufacturing, metal powder materials such as aluminum-magnesium-copper alloys have high thermal conductivity, low ionization energy, high reflectivity to lasers, and low powder utilization, as well as arc wire feeding additive manufacturing technology. Among them, the singleness of raw material metal welding wire composition and poor combinability limit the development and application of laser and arc additive manufacturing technology and the development of new materials

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