Clamping device for a tool at a machine tool, part

专利名称：Clamping device for a tool at a machine tool,

particularly at a die sinking electricdischarge machine

发明人：Borje K. Ramsbro申请号：US07/073574申请日：19870714公开号：US04855558A公开日：19890808

摘要：A clamping device for a tool at a machine tool, particularly a die sinking electricdischarge machine equipped with a chuck having two pairs of rails projecting from theunderside of the chuck and arranged in a rectangular cross. The rails are provided withreference surfaces for adjusting the tool with respect to an x-direction and a y-directionrelative to the machine tool, said directions extending transversely to a center line of thechuck. There are provided several posts projecting from the underside of the chuck,which are provided with reference surfaces at their free front surfaces which extend in thex-y-plane as defined by said directions. The rails are eccentric and offset angularly againsteach other and a tool holder is provided with a plane surface for abutting to the posts,into which two pairs of slots are cut which are in alignment with the rails and providedwith elastic lips intended for abutment to the rails. The holder has a center bore withfixing elements for fixing and releasing a draw bar.

申请人：SYSTEM 3R INTERNATIONAL AB

代理机构：Fleit, Jacobson, Cohn, Price, Holman & Stern

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