A composite manufacturing method and device based on arc additive and high-energy beam subtractive

Abstract

The invention discloses a compound manufacturing method and device based on electric arc additive manufacturing and high-energy beam subtractive manufacturing. The compound manufacturing method comprises the steps that firstly, a three-dimensional model of a metal part to be machined is established, an STL file of the three-dimensional model is obtained, slicing processing is conducted on the STL file, an electric arc additive machining path and a high-energy beam subtractive machining path are obtained, and arc additive machining parameters and high-energy beam subtractive machining parameters are set; and secondly, cooperative machining of electric arc additive manufacturing and high-energy beam subtractive manufacturing is conducted through an electric arc additive manufacturing robot and a high-energy beam subtractive manufacturing robot according to the electric arc additive machining path and machining parameters and the high-energy beam subtractive machining path and machining parameters correspondingly, and then additive manufacturing and subtractive manufacturing of the metal part are achieved. By the adoption of the compound manufacturing method and device based on the electric arc additive manufacturing and the high-energy beam subtractive manufacturing, and the metal part which is high in precision and performance and has complicated morphology features can be rapidly produced in a one-off manner. The compound manufacturing method and device based on the electric arc additive manufacturing and the high-energy beam subtractive manufacturing have the advantages that the machining precision of the metal part is high, and the surface quality of the metal part is good.

Description

technical field [0001] The invention belongs to the field of forming and manufacturing of metal parts, and more specifically relates to a high-precision, high-performance metal parts composite forming manufacturing method and device for arc-added material and high-energy beam-subtracted material. Background technique [0002] Arc additive manufacturing technology refers to the use of electric arc as a heat source to melt the metal wire, and then accumulate layers on the substrate according to the set forming path, layer by layer until the metal parts are formed. The formed part is composed of full weld metal, which has high density, good metallurgical bonding performance, uniform chemical composition and good mechanical properties. Compared with laser and electron beam additive manufacturing technology, arc additive manufacturing technology has low cost and high forming speed. Fast, capable of forming large-scale complex parts and so on. [0003] However, since the arc addi...

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Problems solved by technology

[0005] In view of the above defects or improvement needs of the prior art, the present invention provides a composite manufacturing method and device based on arc-based material addition and high-energy beam subtractive material, which makes full use of the advantages of electric arc, high-energy beam and robot, It can quickly produce metal parts with high precision, high performance and complex shape characteristics at one time, which can effectively solve the problems of small processing size, simple structure, poor surface quality, low precision and insufficient performance in the current metal additive and subtractive composite forming manufacturing technology And other issues

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