RDM reduces costs and improves quality and productivity on BM 3 after rebuild project with Voith
- Extensive audit performed ahead of project planning
- Higher productivity and reduced use of resources
- Rebuild completed sooner than planned
In an email of thanks to Voith's project team, Thomas Bock, Managing Director of the RDM Group, wrote: "I just wanted to let you know that the BM 3 in Arnsberg has been producing board since 6:50 pm. This means that we have more than achieved our goal." Voith had completed the extensive rebuild of the board machine a day ahead of schedule, allowing RDM to resume production earlier than planned.
A crucial factor in the success of the project was the extensive audit conducted jointly by Voith and RDM beforehand with the involvement of numerous experts from various areas. Together, the parties defined the goals to be met by the rebuild and the measures necessary to achieve them. The reduction of manufacturing costs was a key objective for RDM, so the partners explored various options in order to jointly work out an ideal solution.
The participants did not always opt for the variant with the lowest investment cost. During the audit several options for the dewatering elements had been tested, whereas the decision was made in favor of the most forward-thinking variant. The chosen solution reduces fluctuations that are usual downstream of the headbox and therefore creates the basis for the high product quality. One cost-saving measure was to use as many parts from the BM 3 as possible for the rebuild. So during the audit the two companies determined which components were worth re-using.
Extending the dewatering section with an improvement in dewatering capacity also proved to be an expedient measure. Only a short time after the restart the production speed increased by 3 percent. The intermediate ply is not the limiting section anymore as it is designed now for 1000 m/min.
Not only did the rebuild result in a reduction in production costs; Likewise, the fiber savings and higher dewatering capacity also improved paper quality. "It was the best execution of a project I have witnessed in Arnsberg in the past 37 years," RDM Product Manager Joachim Corthum also confirmed.
The fact that production could restart ahead of schedule thanks to the well-coordinated collaboration between all parties during the planning and rebuild phases has also prompted RDM to get Voith on board for other servicing projects.
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