Based　on　the　concept　of　dispersed　networked　design　and　manufacturing,　and　on　the　principle　of　Web　and　CORBA　technology,　a　multi-layer　architecture　for　a　dispersed　networked　CAD/CAM　system　(DNCADMS)　of　a　motorcycle　is　presented　in　this　paper.　For　solving　the　data　sharing　problem　under　a　heterogeneous　database　environment,　the　concept　of　meta-database　and　a　Java-based　integrated　mechanism　for　the　dispersed　native　databases　have　been　put　forward.　The　ideas　and　some　key　techniques　of　implementing　the　DNCADMS　are　also　discussed　in　the　paper.　©　2002　Published　by　Elsevier　Science　B.V.