Substrate residual stress control method in component additive manufacturing process and component additive manufacturing equipment
A residual stress and control method technology, applied in the field of additive manufacturing, can solve the problems that affect the dimensional accuracy of additive materials, the worktable fixture is easily deformed and cracked by force, and the substrate is warped and deformed greatly, so as to avoid deformation and cracking and avoid dimensional accuracy. , to avoid the effect of warping deformation
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[0017] The invention will be described in detail below in conjunction with specific embodiments.
[0018] The following is an embodiment of the substrate residual stress control method in the component additive process of the present invention, specifically:
[0019] A method for controlling the residual stress of a substrate in a component additive process, comprising the following steps: S1, using three-dimensional software to establish a three-dimensional solid model of an additive structural part and a substrate; S2, using finite element analysis software to analyze the additive structural part in step S1 Carry out mesh division with the 3D solid model of the substrate to obtain the 3D finite element model of the additive structural parts and the substrate; based on the 3D finite element model of the additive structural parts and the substrate, the simulation analysis of the additive process is carried out, and the additive process is obtained The stress distribution resul...
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