Services                                                                         

Technical support

Cooperation possibilities for the production of filaments

Montena machinery is specialized in the technology of manufacture of filaments for incandescent and fluorescent lamps. We see the following fields in which our services could be of interest for you:

Coiling

  • Preparation of coil lots based on coil calculation
  • Rewinding of the tungsten wire onto machine spools
  • Primary coiling on mandrel
  • Secondary coiling on mandrel

Heat treatment

  • First annealing in humid hydrogen
  • Second annealing in dry hydrogen

Chemical treatment  

  • Dissolving of the mandrel wires
  • Absorption of the nitric fumes
  • Recovery of Mo oxides and acids

Inspection of filaments  

  • Inspection of primary coiling (sampling)
  • Inspection of secondary coiling (sampling)
  • Cold resistance test
  • Brittleness test
  • Dimensional test

Mechanical condition and automation of filament production equipment 

  • Improvements
  • Re build
  • Retrofit

On existing filament production equipment

 

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