Patent ID: 8112854
Filing Date: 2012-02-14
Classification: B23B,B23Q,Y10T

Abstract:
1. A tool holding device for a five-axis lathe that includes a machine bed which defines a first linear track extending in a longitudinal direction, and which is provided with a first linear motion drive mechanism, a headstock unit mounted on one side of the machine bed, and having a spindle for holding a workpiece and revolving about a spindle axis that is oriented in the longitudinal direction, and a tailstock unit mounted on the other side of the machine bed for supporting an outboard end of the workpiece along the spindle axis, said tool holding device comprising: a saddle which is disposed between said headstock unit and said tailstock unit, and which is adapted to be driven by the first linear motion drive mechanism to move along the first linear track, said saddle defining a second linear track in a direction transverse to the longitudinal direction; a cross-slide which is configured to ride on said saddle to be movable along the second linear track, and which has an upper major wall facing upwardly; a second linear motion drive mechanism disposed to drive said cross-slide to move along the second linear track; an angularly displaceable unit which includes a rotation drive mechanism disposed to drive said turntable platform to revolve about the revolving axis; and a tool mounting post unit including