Specialty Paper Machines
The range of use of specialty papers
It takes a very special kind of expertise to manufacture specialty papers for items like bank notes or thermal receipts. This is why for each specialty paper our production technologies are tailored to the specific application.
Paper machines not only produce volume grades such as newsprint, they also provide paper for tea bags and gasoline filters, bottle labels, wallpaper and décor coverings for furniture as well as backing paper for vinyl wallpapers.
Fascinating and versatile
A quick look in your wallet will suffice to give you an idea of the versatility of specialty papers: The fuel receipt is printed on thermal paper, the banknotes consist of special banknote and security paper, and without the photographic-based paper your family photo would look only half as good. Cigarette papers, decor papers and labels are also categorized as specialty papers. Although specialty papers only account for five percent of worldwide paper consumption, they achieve much greater added value compared with mass-produced papers.
Expert know-how for specialty paper production
The challenges involved in the manufacture of specialty papers are diverse. Because they are generally only produced in small production lots of up to a ton, the requirements for the paper machines are stringent. Voith is heavily involved in the production of specialty papers and for decades has been developing new technologies and products to enable its more efficient and higher quality manufacture. We supply products and technologies for all grades of specialty papers. The high quality level and consistency of quality of coated and uncoated specialty papers is always a key consideration. This is why our production technologies for each specialty paper are tailored to every specific case.
Engineered for success
New DynaLayer from Voith for better coating quality and greater cost efficiency
With its ease of handling and outstanding coating quality, the DF Coat has evolved into an efficient alternative to conventional coating units. Through several refinements, Voith is extending the range of uses for non-contacting coating application and increasing the economic efficiency of paper producers with the new DynaLayer.
Decor paper specialist Ahlstrom-Munksjö modernizes its quality control system with ComCore
The paper manufacturer Ahlstrom-Munksjö is a premium manufacturer of decor paper. Munksjö merged with the Finnish specialty paper manufacturer Ahlstrom on April 1, 2017. The paper mill now works under the name of Ahlstrom-Munksjö Paper GmbH and operates a total of two paper machines (PM 1 and PM 3) at its site in Unterkochen, Germany. These produce several tons of decor paper per hour. In total, the Unterkochen site produces around 75,000 tons of premium decor paper per year.
Services and products for papermaking
As a system vendor we aim to support our customers throughout the entire value creation process, so we are expanding our service locations worldwide, adapting our range of services to customer needs and also adopting new approaches to service with Papermaking 4.0.
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In the dryer section, the remaining water is evaporated by the supply of heat energy. In this case the paper web is led over dryers that are heated from the inside by means of steam. At the end of the drying process, the paper has a residual moisture of approximately 2% to 9 % depending on the grade.
The CombiDuoRun drying concept dries the paper web on both sides, preventing the curling tendency of the paper.read more
DuoDry CC is setting new benchmarks for an effective and reliable curl correction. It is the first vertically inverted dryer group and you benefit from enhanced runability combined with attractive cost and energy saving potential.read more
EvoDry Y Yankee and EvoDry M MG cylinders ensure high dry content, excellent paper surface and perfect softness.read more
At the HydroFormer test facility in Düren (Germany), new products can be tested and their production on an inclined wire verified, minimizing the investment risk.read more
The accurate OnC FlowSens flow meter is suitable for all flow measurements for paper manufacturing, including water, stock, steam, chemicals and auxiliary materials.read more
The filling level meters and limit switches in the OnC LevelSens product line are used in all areas of paper manufacturing. Different measurement procedures ensure their versatility.read more
OnQ ModuleIR is an electrically heated infrared system that allows continuous correction of the moisture cross profile, even in narrow zones crosswise to the paper web. The highest product quality is therefore achieved.read more
OnQ Profilmatic is a progressive cross profile control software program characterized by high reaction speed and delivering very flat cross profiles.read more
V30 upgrade nozzles are an inexpensive and quick solution for the exchange of the air-atomizing nozzles for third-party manufacturers.read more
The Voith LSC Ash Sensor measures the filler content of the running paper web without touching it. The monochromatic iron 55 source provides the best stability and precise measurement.read more
The Voith LSC Ash Sensor provides for contactless measurement of the paper web’s filler content, even if the filler composition is unknown.read more
The Voith LSC Ash Sensor measures the total filler content and the filler composition of the running paper web without touching it. A monochromatic iron 55 source provides for the highest level of measuring accuracy.read more
The Voith LSC Basis Weight Sensor with a krypton 85 source facilitates contactless online weight measurement of the running paper web up to 1250 g/m².read more
The Voith LSC Basis Weight Sensor with a promethium 147 source measures the weight of the running paper web online and without contact. It is specifically designed for graphic paper and tissue up to 180 g/m².read more
The Light Touch caliper sensor precisely measures the paper thickness with contact on both sides. The measurement is based on the change in magnetic resistance.read more
LSC Color Sensor measures the color and white content of the paper without touching it, as well as the concentration of fluorescent optical brighteners.read more
The Voith LSC Gloss Sensor measures the surface quality of (calendered) paper online. The sensor can be used in an uncomplicated fashion without attaching cables or hoses.read more
The Voith LSC infrared moisture sensor facilitates contactless moisture content measurement of the running paper web. It provides a high level of accuracy over a wide grade range, from tissue to board and packaging.read more
The Voith LSC infrared moisture sensor facilitates contactless measurement of the running paper web’s moisture content. It also delivers precise measurement results with uneven formation and moisture.read more
WebDetect -nx provides an optimized method for detecting web breaks. This method uses four light sources in the visible and infrared ranges to detect a web break using reflection.read more
The CB-Turn is a contactless web turning system. A homogenous and controlled cushion of air turns the paper web from the coating units into the drying section.read more
The HCB-Turn is a combination hot-air drying and non-contact web turning system. It is used after coating units to ensure a stable web run.read more
InfraElectric is a contactless drying system that is used in pre-drying after coating units. Continuous power control allows precise output control from 0 to 100%.read more
The InfraMatic infrared drying system corrects the moisture cross profile with gas-heated infrared radiators. It facilitates continuous moisture control by zone on running webs and increases product quality.read more
Voith’s CleanLine offers a complete range of cleaning systems to cover every section of your paper machine.read more
In the scope of rebuilds to paper machines with a single-tier dryer, which use suctioned rolls (known as dryer fabric suction rolls, DFSR), the DuoFoil can be installed over the DFSR in order to stabilize the web. With stabilization zones the DuoFoil supports wrinkle-free sheet edges from dryer cylinder to dryer cylinder. The negative pressure in the stabilization zone is created via the "pre-suction" zone in the DFSR. This increases the runnability of the paper machine.read more
With the ProSafe rescue shell, personnel can be rescued from drying cylinders, creping cylinders, Yankee cylinders, boilers and similar containers with small side access openings.read more
Constantly rising productivity and quality requirements lead to higher demands on fabric and web run and thus also on the dryer fabric tension. Reliable fabric tensioning systems are therefore increasingly gaining significance. Exactly adjustable and constant dryer fabric tension is the most important precondition.read more
The S-Stabilizer stabilizes the web if there is a turbulent web run or edge flutter in the two-tier dryer section. In addition, the frequency of breaks is reduced due to the supported web run.read more
SteamJoints are steam joints with stationary siphons. They reliably dewater at the lowest differential pressure. Costs can be lowered due to low consumption of fresh steam.read more
The VentiBox hot air blow box is used for ventilating one- and two-tier dryer sections. It prevents the edge of the paper web from turning up and provides for better conditioning of the dryer fabric.read more
The VentiDoc doctor is for ventilating one- and two-tier dryer sections. It combines excellent doctoring with optimal ventilation of the surrounding dryer pocket.read more
The VentiPipe hot air blow pipe improves ventilation in the fabric loops of the dryer group and removes moisture more efficiently. Hydrolysis on the dryer fabrics is prevented.read more
The VentiStabilizer stabilizes the web if there is an unsteady web run or edge flutter in the two-tier dryer section. Therefore edge flutter and the frequency of breaks are reduced.read more
The PrevoCut DC (Disk Cutter) is a tail cutter installed in the open draw of two-tier dryer sections. It ensures a flawlessly cut tail.read more
The PrevoCut STC and DTC high-pressure water jet tail cutters cut a flawless threading tail with the aid of a water jet between 600 and 1,300 bar.read more
The dew point control system hood ventilation technology controls the supply and exhaust air quantities in the dryer section, thus reducing the amount of air and fresh steam required.read more
The Voith EcoHood dryer section hood encloses the dryer section in a special housing that still allows access for operation and maintenance at the highest level of safety.read more
The hood and associated machine ventilation system form the core of each drying section. The dewpoint of the hood has a direct impact on the energy costs for drying.read more
Voith has the right steam and condensate system for your production modification, process-engineering adaptation or optimizing the energy use of your system.read more
TurboDryer S hot air hoods allow for a faster and more efficient production without extending the dyer section at all!read more