IWG Ingenieurbüro Wagenbauer, Glasofenbau GmbH

Our location in Zwiesel, the traditional glass capital in the Bavarian Forest, is not by chance: It is a symbol of great demand and experience as well. In contrast to this traditional component stands our modern company building.

Innovation and progress as prerequisite for economic and competitive ability. Our qualified staff combines engineering knowledge with a mastery of skills. Furthermore, perfected quality control management provides for products of the highest standard.
 


Address

Company IWG Ingenieurbüro Wagenbauer
Glasofenbau GmbH
Address Fürhaupten 35
94227 Zwiesel
Country Germany
Phone 0049 9922 8448 0
Fax 0049 9922 8448 21
Email Email Contact
Internet www.iwg-online.com
Employees 13 - 20
Year founded 1974
Export Rate 50 - 100 %

Contact Info

Name Mr. Dipl.-Ing. Roland Wagenbauer
Position Managing Director
Phone 0049 9922 8448 0
Fax 0049 9922 8448 21
Email Email Contact
Name Mr. Dipl.-Ing. Markus Schreder
Position Technical Manager
Phone 0049 9922 8448 0
Fax 0049 9922 8448 21
Email Email Contact


Products

Our delivery program includes gas, oil, electrically and oxyfuel heated glass melting furnaces and auxiliary furnaces. For day tanks with a melting capacity/output of more than 500kg / day a recuperator for preheating of air is necessary. Our small day tanks are especially suitable for glass studios and show glass works. All plants are planned and designed according to your individual needs and will be installed and maintained worldwide. We deliver complete systems including process automatization, measurement and control technique. From the beginning until the end, we rely on quality and economic viability. IWG-tank furnaces are designed according to the requirements of our customers and for the following glass types:

  • soda lime glass - white and colored
  • crystal glass - white and colored

IWG supplies the following tank furnace types:

  • regenerative tank furnace
  • recuperative U-flame tank furnace
  • recuperative cross fired tank furnace - unit melter type
  • Gas heated furnace for Neutral Glass and Borosilicate Glass
  • Tank furnace for optical glass
  • Pot arches - electrically heated
  • Gas heated pot temper furnaces
  • Combined, electrically heated pot temper and annealing furnaces
  • Chamber annealing furnaces, gas and electrically heated
  • Gas heated glory holes
  • Complete boosting systems
  • Complete heating systems
  • Complete water cooling systems
  • Complete bubbling systems
  • Bottom glass draining system, discontinuous, continuous
  • Stirrer units
  • Stirrer units for platinum stirrers
  • Batch chargers


News

  Filetype Filesize    
GIF 60914 Pot furnace with 3 pots for tableware, heated by electricity
We deliver single pot furnaces as well as pot furnaces up to 12 pots for soda lime glass, crystal glass, colored glass. Our pot furnaces are designed to the latest Kow How in furnace design.
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DOC 5018112 Tank furnace for optical glass
Technical Data, General Overview, Know how, Technical Development (Wannen für optisches Glas - Prospekt nur in englisch verfügbar)
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JPG 19843 Tank furnace for optical glass
->drawing of bars ->casting of bullion ->pressing of spectacle glass blanks ->pressing of optical lenses ->casting of aspheric lenses Our tank furnaces for optical glass are gas and electrically heated and equipped with state-of-the-art Platinum technology.
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JPG 55358 IWG - gas heated forehearth systems
for the following production lines: Containers Glass bricks Lighting ware High quality containers Tableware / stemware Advantages of our system: We design your forehearth according to the specific situation of your production line. Following options are available: Forehearth - coloring, Electrical boosting Active electrical insulation of the channel IWG-stirrer units for glass homogenization IWG draining system for forehearth for minimization of Zircon cords
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JPG 42070 Gas heated furnace for Neutral Glass and Borosilicate Glass
IWG has developed a furnace concept to melt Neutral glass (with alpha 45 - 50) and Borosilicate glasses (with alpha 33). The furnace is designed according to the mixed-melter principle. In the superstructure of the melting end either oxy-fuel or recuperative firing will be used. In addition to this heating there is in the melting area a bottom-electrode booster installed, in order to reach the required glass temperatures in the refining area. Melting area and refining area are devided by a weir. In front of this weir bubblers and a molybdenum electrode booster increase the glass temperature and help to generate a return current of the glass to the doghouse. Because of this system cold glass or unmelted glass can not enter the refining area and it also prevents the formation of crystobalite on the glass surface in front of the throat. Installed in the refining area is an IWG-draining system, which continuously drains the bottom glass with high Zircon content. The working end will be heated by molybdenum top-electrodes, which are immersed in the glass bath, through a cover plate of the working end distribution. The power regulation of electrical booster, thermal weir and working end heating is made by using single phase thyristor / transformer units. Advantages of using this furnace design: Lower energy costs in countries with lower gas prices Lower content of zircon cords Fewer defects by crystobalite stones Easier handling than a full electric furnace
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PDF 177149 Reference List (national customers - Germany)
National customers and references
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PDF 176915 Reference list (international - worldwide)
International customers and references
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GIF 60914 Hafenofen mit 3 Häfen für Tafelglas, elektrisch beheizt.
Wir liefern sowohl einzelne Hafenöfen als auch Hafenöfen mit bis zu 12 Häfen für Kalk-Natron-Glas, Kristallglas und farbiges Glas.
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The company IWG Ingenieurbüro Wagenbauer offers its products and services in the area of Electric Furnaces, Forehearth Technology, Melting Furnace, Platinum feeder

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