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Bunting offers Rebuild Program for printing cylinders

January 24, 2011

The program includes a wide range of services, as well as on-site plant audits.

Bunting Magnetics, Newton, KS, USA, has introduced a Rebuild Program to repair and restore magnetic printing cylinders and anvil cylinders. The company can refinish all surfaces to meet exacting customer specifications. The service covers diecutting, folding carton, two-piece can, plastic container and corrugated cylinders.

“We have acute attention to detail and a burning desire to produce superior products,” says Mike Wilks, Bunting’s product manager for printing products. “This focus on detail extends to our rebuild program. We have considerable machining capabilities and over 30 years of experience in making the best cylinders in the world. These skills allow us to rebuild a cylinder to most exacting quality control levels.”

Technical services include: replacement of cylinder bearers; repair or replacement of damaged magnets; restoration of bent or damaged journals; installation of hardened races and complete refinishing of the surface of the cylinder. As part of the rebuild process, there is an inspection of new parts prior to the cylinder being reassembled. All new bearers are installed to manufacturer's specifications to ensure proper fit and prevent premature failure. Some rebuild work is limited as cylinders must have enough material on them to permit repairs within the cylinder’s specified tolerance ranges.

Another facet of the Bunting Rebuild Program is the on-site plant audit. “These extremely detailed visits include a visual inspection of all cylinders in stock,” says Wilks. “All surfaces, bearers and journals are inspected for damage or imperfections. We determine the average size of the cylinder diameter in relation to the bearer diameter to allow for gap analysis. This exercise is conducted to 0.00005 of an inch. Also, we perform a run-out test on all journals, bearers and the body of the cylinder to determine any deviations from specifications. Finally, a full report is provided with all the necessary details including gap. We identify all cylinders that may need repair by serial number.”

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