IWG Ingenieurbüro Wagenbauer
IWG Ingenieurbüro Wagenbauer

Our location in the traditional glass capital Zwiesel 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.

 
Contact Info 

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% 
   
 
Name Mr. Dipl.-Eng. Roland Wagenbauer
Position Managing Director
Phone 0049 9922 8448 0
Fax 0049 9922 8448 21
Email Email Contact
 
Name Ms. Dipl.-Eng. Bernadette Wagenbauer
Position Shareholder
Phone 0049 9922 8448 0
Email Email Contact
 
Name Mr. Dipl.-Eng. Markus Schieder
Position Technischer Leiter
Phone 0049 9922 84480
Fax 0049 9922 844821
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
 
Downloads

  Filetype Filesize    
  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
 
  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. 
  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 
  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.
 
  PDF  176915  Reference list (international - worldwide)
International customers and references 
  PDF  177149  Reference List (national customers - Germany)
National customers and references 
  DOC  5018112  Tank furnace for optical glass
Technical Data, General Overview, Know how, Technical Development
(Wannen für optisches Glas - Prospekt nur in englisch verfügbar)
 
  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.
 
   
Info
The company IWG Ingenieurbüro Wagenbauer offers its products and services in the area of Electric Furnaces, Forehearth Technology, Melting Furnace, Platinum feeder
Contact Info
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