| 摘要 |
PURPOSE: A reciprocating tool holder assembly is provided for substantially linear and high speed excursions of a cutting tool attached thereto. CONSTITUTION: A reciprocating tool holder assembly includes a voice coil assembly having a longitudinal axis that provides for the reciprocating movement of the assembly and to which a pair of coil arms is attached. The assembly also includes a pair of lever arms, each being pivotally attached between a respective coil arm and a draw bar, with a pair of fulcrum members attached to a base of the assembly that engage each respective lever arm to provide a fulcrum about which each respective lever arm pivot. One end of the draw bar is attached to a tool support guided in a substantially axial movement by a guide member, such that, when a cutting tool is attached to the tool support and the movement of the voice coil causes the cutting tool to reciprocate substantially axially with respect to the base. |
