Automatic position control system for slitters

B - Operations – Transporting – 65 – H

Patent

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Details

342/10, 164/132

B65H 35/02 (2006.01) B26D 7/26 (2006.01) G05B 19/19 (2006.01) G05B 19/414 (2006.01)

Patent

CA 1177147

ABSTRACT OF THE DISCLOSURE An automatic position control system for a slitter longitudinally slits a sheet of material into a plurality of strips. Each slitter assembly has an upper and lower slitter station which can be moved transversely of the web to be cut and includes a main control computer. Each positioning assemb- ly includes an electronic communication module, an electronic stepping motor drive module, and a stepping motor gear box and pinion assembly for moving the slitter assembly. Each electronic module recognizes when the main control computer is communicating with that module by recognizing its selectable identification address. Communication can occur in either direction between the electronic modules and the central computer. The main control computer can command an electronic module to carry out specific functions and also can request information from the electronic module concerning its status at a particular time. Control information can also be supplied to the central computer which can in a very rapid and orderly manner move the slitter assemblies to desired locations. A novel communication bus structure is utilized to position the mechanical assemblies.

390159

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