Patent ID: 8628382
Filing Date: 2014-01-14
Classification: B24B

Abstract:
1. A workpiece holder for a surface grinding machine, comprising: at least two disk-shaped holder parts having closed openings formed therein and movable relative to one another about a workpiece holder axis to adjustably position the openings in overlapping relationship, thereby jointly defining at least one workpiece fixture which is adjustable in size to allow holding of a selected one of a plurality of workpieces of different dimensions on opposite end faces; a workpiece fixture frame element detachably connected to one of the holding parts and positioned in direct contact with the workpiece, said workpiece fixture frame element being sized to project into a plane of motion of the other one of the holder parts to thereby extend the workpiece fixture in a direction parallel to the workpiece holder axis; and a joining device configured to fix the two holder parts relative to one another.