Designated useItem no. 10403122, Revision 118 ( 40 )3 Designated useThe HF spindle is an “incomplete machine” in accordance with the MachineryDirective and cannot perform any function independently. The HF spindle canonly be operated in conjunction with a machine tool and a frequency con-verter.3.1 Permissible types of machiningThe HF spindle has been developed only for the following types of machining.q Cuttingq Drillingq Engravingq GrindingÜ Contact Alfred Jäger GmbH if other types of machining are required.3.2 Permissible materialsThe HF spindle has been developed only for the following materials.q Metals (such as alloys, cast metals etc.)q Sintered materialsq Plasticsq Woodq Graphiteq Stone (marble, etc.)q Paper and cardboardq Circuit boardsq Glass and ceramicÜ Contact Alfred Jäger GmbH if other materials are to be machined.