Thermal-analysis-based output stabilization method and system for improving 3d printing output reliability

A thermal-analysis-based output stabilization system comprising:

• a storage unit configured to store data regarding a process range corresponding to normal output quality, which is pre-set for a plurality of residual heat quantity examination specimens;
• and
• a processor configured to perform a first stacking thermal analysis with respect to the plurality of residual heat quantity examination specimens in which the process range corresponding to the normal output quality is set, by using the stored data, to perform a second stacking thermal analysis with respect to a real additive manufacturing product in a same method as the first stacking thermal analysis method, based on the result of the first stacking thermal analysis, and to examine stability with respect to a stacking result of the additive manufacturing product, based on the result of the second stacking thermal analysis result.

A thermal-analysis-based output stabilization method comprising:

• a step of performing, by an output stabilization system, a second stacking thermal analysis with respect to a real additive manufacturing product in a same method as a first stacking thermal analysis method, based on a result of the first stacking thermal analysis which is obtained by performing the first stacking thermal analysis with respect to a plurality of residual heat quantity examination specimens in which a process range corresponding to normal output quality is set;
• and
• a step of examining, by the output stabilization system, stability with respect to a stacking result of the additive manufacturing product, based on the result of the second stacking thermal analysis result.

A thermal-analysis-based output stabilization method comprising:

• a step of conducting, by an output stabilization system, an experiment for setting a process range corresponding to normal output quality according to a laser output power and a scan speed by using a plurality of residual heat quantity examination specimens;
• a step of performing, by the output stabilization system, a first stacking thermal analysis with respect to the plurality of residual heat quantity examination specimens in which the process range is set;
• a step of performing, by the output stabilization system, a second stacking thermal analysis with respect to a real additive manufacturing product in a same method as the first stacking thermal analysis method, based on the result of the first stacking thermal analysis.