Patent ID: 9427888
Filing Date: 2016-08-30
CPC Classification: B23D,B28D

Claim Text:
1. A method for resuming an interrupted process for sawing a workpiece into a multiplicity of wafers using a wire saw, the wire saw including a sawing wire which spans a wire web including a plurality of wire sections arranged in parallel, the sawing wire being unwound from a feed spool with a forward movement and guided over at least one rotatable deflection pulley into the wire web, leaving the wire web via at least one further rotatable deflection pulley, and being wound onto a take-up spool, the interrupted process, before the interruption, including alternately moving the sawing wire in defined time intervals forward by a first length L 1 and backward by a second length L 2 , the method for resuming the interrupted process comprising: advancing the wire web into existing sawing kerfs of the workpiece with a forward movement of the sawing wire with a first speed v alternately moving the sawing wire in defined time intervals by a forward movement having a third length L increasing the wire length unwound during the forward movement until the third length L