A kind of grinding device,System is respectively combined two ends on two support of what with plural slide guide bar,One sliding holder system is slideably arranged on the what plural number slide guide bar,The what slip clamp seat tool has an extension laterally protruded out,The extension is equipped with a through-hole,One connecting support is pivoted on the what through-hole via binding member perforation,The connecting support is set to be pivoted with respect to the sliding holder,Bending is equipped with a supporting surface on the another what connecting support,The supporting surface system can for flat face,The shapes such as convex globoidal or cancave cambered surface,One grinding element system is sticked on the what supporting surface,The grinding element is set to form different machining angles with the rotation of connecting support,To grind the buoy surface to be processed of a rotation.一種研磨裝置，係以複數導滑桿分別將二端部結合於二支座上，一滑動夾座係可滑動地套設於該複數導滑桿上，於該滑動夾座具有一橫向凸伸的延伸部，該延伸部上設有一通孔，一結合座經由一結合元件貫通樞設於該通孔上，使該結合座能相對該滑動夾座進行樞轉，另於該結合座上彎折設有一支撐面，該支撐面係可為平直面、凸弧面或凹弧面等形狀，一研磨元件係貼設於該支撐面上，使該研磨元件能隨結合座的轉動而形成不同的加工角度，以研磨一自轉的待加工浮標表面。
