Temperature and deformation real-time synchronous measuring device and method in high-energy-beam material additive manufacturing

Abstract

The invention discloses a temperature and deformation real-time synchronous measuring device in high-energy-beam material additive manufacturing. The device comprises a work platform, a deformation measuring system and a temperature measuring system. The work platform comprises a workbench and a support. The deformation measuring system comprises displacement and optical sensors. The temperature measuring system comprises a thermocouple, a high temperature thermal imager, and tracking type and fixed type infrared temperature measuring instruments. The invention further discloses a measuring method of the above measuring device, and the method comprises the steps that: the contact type displacement sensor measures buckling deformation of a substrate in real time; the non-contact optical sensor measuring deformation of a formed part in real time; the thermocouple measures the temperature of a specific point of the substrate in real time; the fixed type infrared temperature measuring instrument measures the temperature of the specific point in real time; the tracking type infrared temperature measuring instrument measures the temperature of a molten pool in real time; and the high temperature thermal imager measures the temperature distribution of the side surface of the formed part in real time. According to the invention, the temperature and deformation data in the high-energy-beam material additive manufacturing can be synchronously measured in real time, and data support is provided for formed geometric structure performance control and simulation verification and optimization.

Description

technical field [0001] The invention belongs to the field of high-energy beam additive manufacturing, and relates to a real-time simultaneous measurement device for temperature and deformation in high-energy beam additive manufacturing, and also relates to a measurement method for the device. Background technique [0002] The high-energy beam additive manufacturing technology is a high-performance metal additive manufacturing technology developed based on the principle of rapid prototyping. That is to convert the three-dimensional shape information of the part into a series of two-dimensional contour information, and then under the control of the computer, the high-energy beam deposition method of synchronously feeding powder or wire is used to accumulate layer by layer according to the two-dimensional contour information, and finally form a three-dimensional solid part. Among them, high-energy beams include laser beams, electron beams, ion beams, electric arcs, and the like...

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a real-time temperature and deformation measurement device in high-energy beam additive manufacturing, which solves the problem that existing measuring devices cannot measure temperature and deformation in real-time synchronously during the forming process of high-energy beam additive manufacturing

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