Breaking separation device for workpiece, with spreading device which has at least one integrated spread control device

摘要

The separation device is for a workpiece with several annular sectors. It has at least one spreading device (10) to go in a boring with two spreading regions. The spreading device has an integrated spread control device (16, 18, 20, 22) acting with at least one spreading element (14) to monitor a variable position and/or variable spreading width and/or variable spreading sequence for the two regions.