Cutting edge correction

Details Cutting edge correction Cutting edge correction

B - Operations, Transporting

26

D

164/117

B26D 1/00 (2006.01)

Patent

CA 1228799

-12- Abstract Given the method, the pairs of circular knives (4,5) of a longitudinal cutter apparatus are displaced on rails (7) proceeding transversely relative to the web, being displaced thereon by prescribable positioning distances from an outer, apparatus-fixed bench mark up to a carriage- fixed bench mark. In order to be able to take the alterred position of the cutting edge (19) which may have arisen under given circumstances due to re-grinding into consideration, the distance of the cutting edge (19) from an edge (69) fixed to the carriage of a circular knife is measured by means of position sensors (80) and is input into the control as part of the positioning distances. The carriage (6) is thereby po- sitioned at a different location such that the cutting edge (19) again lies at the proper location despite the re-grinding. FIG 8

481102

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