Electric arc additive and deep cold rolling forming composite manufacturing device and method

Abstract

The invention discloses an electric arc additive and deep cold rolling forming composite manufacturing device and method. The device comprises a base and a workbench, wherein the workbench is arranged on the base and can horizontally move on the base, a rolling deformation module, a temperature maintaining module and an electric arc additive module are arranged above the workbench, and a deep cold treatment module is further arranged on the base. The invention further discloses an electric arc additive and deep cold rolling forming composite manufacturing method. The invention further discloses an electric arc additive and deep cold rolling forming composite manufacturing method. According to the method, electric arc material additive and deep cold deformation are combined, and the deep cold deformation hinders dislocation motion and recrystallization behaviors in the deformation process by utilizing the excellent plastic deformation capacity of some metal materials under the deep cold condition and the deep cold environment, so that material grains are refined, and the strength and toughness of the material are improved.

Description

technical field [0001] The invention relates to an additive manufacturing device and method, in particular to a composite manufacturing device and method for electric arc additive and cryogenic rolling forming. Background technique [0002] Arc additive manufacturing is an additive manufacturing technology that melts metal wires by arc heat and deposits the final parts layer by layer according to the three-dimensional shape of the parts. Arc additive manufacturing has high deposition efficiency and low manufacturing cost, and has great potential in the rapid and flexible manufacturing of large-scale metal components. However, the arc heat input is high, and coarse grains are prone to appear inside the material, which will reduce the mechanical properties of the component and affect its large-scale application in industry. [0003] Rolling, as a plastic processing process, exerts a large pressure on the metal surface through the roll to cause a large plastic deformation of t...

AI Technical Summary

Problems solved by technology

The problems of this method are: (1) the fan has the problems of high failure rate and short service life under low temperature and harsh working conditions; (2) the fan or fan needs additional electric energy input, and at the same time, according to the energy relationship, liquid nitrogen cooling capacity is needed to Bridging this part of electric energy increases the consumption of liquid nitrogen. (3) In the cryogenic treatment device using fans, it is difficult to mix the fresh air with liquid nitrogen evenly, which will lead to poor temperature control accuracy.

Images