Holmen to Boost Efficiency, Quality with New QC Systems at Braviken

To increase the competitiveness of No.51 and No. 53 paper machines at its Braviken, Sweden, mill, Holmen Paper AB will install Voith (Germany) OnQ quality control systems on each. According to Holmen, crucial factors for converting the existing automation technology to an OnQ quality control system include "robustness of the Voith LSC scanner and the innovative sensors." The combination of these two factors can be expected to give the lowest total cost of ownership (TCO) of the equipment, the company notes.

Along with the standard sensors for measuring basis weight, moisture, and ash content, the package also includes the 100% non-contacting caliper sensor Voith LSC QuantumSens and a Voith LSC color sensor. In addition, new Voith color control will now be used on both machines to achieve uniform color quality along with high profile quality. The existing steam box and the re-moisturizer will be completely integrated into the OnQ quality control system.

In the highly competitive European newsprint paper market, Holmen Paper's Braviken mill produces 180,000 metric tpy of white and colored directory paper and light newsprint grades on the PM 51. The 8,900 mm-wide PM 53 produces up to 300,000 metric tpy of newsprint.

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