Vibration surface finishing apparatus

A surface finishing apparatus comprising:

• a housing;
• a orbiting head rotatably mounted in said housing, said orbiting head having an axial end with a grinding surface for contact with a workpiece to be surface finished;
• a spindle arbor rotatably mounted in said housing and connected to said orbiting head;
• drive means connected to said spindle arbor and for driving said spindle arbor and said orbiting head in rotation;
• first and second linkages, said first linkage having a first end connected to said housing and having a second end pivotally connected to a first end of said second linkage at a linkage point, said second linkage having a second end pivotally connectable to a pivot point, said linkages and said housing being pivotal on the pivot point about a pivot point axis, said drive means includes a motor positioned at said linkage point and includes a transmission connecting said motor to said spindle arbor.

A surface finishing apparatus comprising:

• a frame;
• a conveyer belt for transporting a workpiece through said frame;
• a plurality of orbiting heads arranged in said fame and movable into contact with a surface of the workpiece;
• each of said orbiting heads being connected to a drive for driving said orbiting head in rotation;
• each of said orbiting heads being connected to a vibration means for vibrating said orbiting head in a path to prevent said orbiting head from forming swirl marks in the workpiece.

A surface finishing apparatus comprising:

• a housing;
• a orbiting, head rotatably mounted in said housing, said orbiting head having an axial end with a grinding surface for contact with a workpiece to be surface finished, said orbiting head defining a fluid passage having an end opening at said grinding surface;
• a spindle arbor rotatably mounted in said housing and having a first end connected to said orbiting head, said spindle arbor having a second end connectable to a fluid source, said spindle arbor defining a passage communicating said second end to said passage of said orbiting head;
• drive means connected to said spindle arbor and for driving said spindle arbor and said orbiting head in rotation;
• vibration means in said housing for vibrating said orbiting head in a path to prevent said grinding surface from forming swirl marks in the workpiece.