To　address　the　unclear　matching　issue　between　the　vacuum　brazing　process　of　sandwich　panel　with　metal　rubber　core　and　its　material　properties,　simulation　and　orthogonal　experimental　methods　were　employed　to　investigate　the　influence　of　heating　rate,　maximum　heating　temperature,　and　holding　time　on　the　shear　performance　and　connection　strength.　In　addition,　the　shear　damage　behavior　of　the　sandwich　panel　was　analyzed　by　macro　and　micro　method.　The　results　indicate　that　sandwich　panel　prepared　by　vacuum　brazing　process　exhibits　excellent　shear　and　connection　strength.　During　the　vacuum　brazing　process,　the　temperature　deviation　at　all　selected　sample　points　is　less　than　10　K.　Additionally,　the　residual　stress　is　primarily　concentrated　at　the　junction　of　the　wire　and　the　solder,　and　the　nearer　the　distance　to　central　region,　the　smaller　the　residual　stress.　The　maximum　residual　stress　is　negatively　correlated　with　the　shear　performance　and　joining　strength　of　the　sandwich　panel.　Moreover,　the　optimum　technological　parameter　(1090　℃,　4　℃/min　and　20　min)　of　the　brazing　process　for　fabricating　the　sandwich　panel　is　obtained　by　range　analysis.　©　2025　Science　Press.　All　rights　reserved.