2 Water for life requires inventiveness I Daio Paper Mishima ... - Voith

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seRVICe Tailor-made mechanical roll service RollCare: Ultrasonic testing of a roll cover. RollCare, RollRep and RollUp Solutions lower costs Rolls have a huge impact on machine efficiency and a mill’s profitability. By reducing unscheduled downtime due to roll problems and increasing the roll change interval, a mill can significantly lower the total cost of operation. To get the most effective and fastest service, Voith has developed tailor-made mechanical roll service modules, which are classified by three steps: RollCare, RollRep and RollUp solutions. 62 26 I 2008 I Voith Paper I twogether
In fact, one could compare a roll to a car and easily grasp the understanding between car and roll maintenance. Like cars, rolls need periodic maintenance, occasional repairs, and if necessary, upgrades to ensure maximum reliability. Proper maintenance always results in maximum performance. RollCare It is essential to clean and inspect bearings, as well as inspect for any wear or damages that may be developing, such as cracks in journals or in the shell. In addition to the bearing assembly work, suction rolls require cleaning of the suction box, replacement of seal strips and air loading RollCare: Bearing inspection. 26 I 2008 I Voith Paper I twogether hoses, flushing of shower headers and nozzles, replacement of lip seals and other wear items. Deflection compensated rolls require replacement of seals and testing for leaks. Generally speaking, a lot of small, yet important, details secure the runnability of your paper machine. RollRep Like cars, as rolls get older, the components corrode or wear out, and occasionally parts get damaged. Voith, as a manufacturer of rolls, has the experience and know-how to recommend the most appropriate repairs that will be cost effective yet provide reliable service. Some of the roll repairs include: head fit sleeving, ther- RollRep: Thermal coating of a journal. mal spray build-up, re-machining, journal replacement, parts replacement, shell ID honing. RollUp solutions Occasionally, high-tech products need a technology update, to ensure top performance. Voith can upgrade existing rolls to provide improved performance. For example, there may be some weaknesses that need to be taken care of, or there are some possibilities to incorporate the latest engineering concepts and improve the existing rolls. Through analysis of reliability records and design reviews, the weak areas of a roll can be precisely identified and design enhancements can be implemented. seRVICe 63
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twogether Paper Technology Journal
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Dr. Hans-Peter Sollinger, Member of
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… inventiveness RePoRT
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Most of it is salt water or water t
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ecirculated into the production pro
Page 11 and 12: Project milestones • Ground break
Page 13 and 14: offers the ideal solution for every
Page 15 and 16: newsprint: nP 400 DuoFormer TQv Tan
Page 17 and 18: twogether: Let's take an example. W
Page 19 and 20: ted controls should be replaced by
Page 21 and 22: Storage tower inflow Disperger 2 in
Page 23 and 24: In the past the operating speed of
Page 25 and 26: Paper quality you can taste! Voith
Page 27 and 28: Up to 25% energy savings not only s
Page 29 and 30: obtained and compared, orders have
Page 31 and 32: SpeedSizer film press with Luna rol
Page 33 and 34: LunaFilm R provides the highest rou
Page 35 and 36: kW 1,400 1,200 1,000 800 600 400 20
Page 37 and 38: worst case. Spreader rolls countera
Page 39 and 40: must remain stable and at adequate
Page 41 and 42: Improvement of the roughness with P
Page 43 and 44: the increased use of shorter recycl
Page 45 and 46: Wood fibers are separated and prepa
Page 47 and 48: while stabilizing the vacuum level
Page 49 and 50: The same Nipcorect roll in the rebu
Page 51 and 52: The product transfer from Vancouver
Page 53 and 54: Thanks to the Atmos development, hi
Page 55 and 56: Talagante paper mill belongs to Chi
Page 57 and 58: process pumps, agitators hall venti
Page 59 and 60: Learning how to make paper was stil
Page 61: After learning you can test your kn
Page 65 and 66: News from Development Research and
Page 67 and 68: Formation is one of the most import
Page 69 and 70: Pilot installation SafeTailing - dr
Page 71 and 72: industry “into its own hands.”
Page 73 and 74: Originally built as the PM 407 in 1
Page 75 and 76: Ming Ming Liu, President Voith Pape
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2 Water for life requires inventiveness I Daio Paper Mishima ... - Voith

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