CNC Machining

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CNC machining

CNC milling

We produce with a wide range of different and modern machines.

  • 24 hs 7 days a week
  • 3-Shift operation
  • Automated


  • 6x 5-Axes-CNC centers
  • 10x CNC machining centers horizontal
  • 9x CNC machining centers vertical
  • 3x CNC profile machining centers
  • 1x CNC boring mill
  • 1x portal milling machine for large components
  • Automated solutions
  • Agile manufacturing system with 4 CNC machining centers
  • Robot cell
  • Maximum of 4.000x1.800x850 mm³

CNC turning

We produce with a wide range of different and modern machines.

  • 24 hs 7 days a week
  • 3 shift operations
  • Automated


  • About 800 m² production area
  • 1x CNC swiss lathes (max. diam. 20mm)
  • 4x CNC lathes (max. diam. 550 mm)
  • 5x CNC lathe centers (max. diam. 500 mm)
  • 4x conventional lathes

Processing sizes

Lot size / Quantity

  • Prototypes (quantity starting from 1 piece)
  • Small sized batches (quantity of 100 pieces up to 1.000 pieces)
  • Medium sized batches (quantity from 30.000 pieces)


Experience and a wide range of application spectrum allow us to process various kinds of materials. Only qualitative suppliers are selected for material delivery. Biersack possess a big warehousing and guarantees a complete tracking of finished products.
We also work with material provided by customers.

A selection of the materials mainly used in our production:

Aluminum Al 99, AlCuMgPb, AlMgSi 1, AlZnMgCu, high strength aviation aluminum, aluminum investment casting, aluminum extrusions
All sorts of casting GG, GGG, iron, titanium, aluminium
All steels ST 37, C45, 9S20K, C60
Cu-alloys electrolytic copper, brass, bronze
Composite material carbin fibre, CFK, GFK, aramid, CFK + titanium
High corrosion resistance materials Inconel
Machinable ceramics  
Plastics PA, PVC, POM, PE, Teflon
Sinter metal molybdenum, tantal, precious metals
Soft magnetic materials pure iron
Stainless steels 1.4301, 1.4501, 1.4571
Stainless aircraft steel 1.4044, 1.3544, 1.4548, 17-4pH etc
Titanium TiAl6V4, titanium grade 1-5, titanium investment casting, ferror-titanite

Profile machining

Manufacturing workpieces out of semi-finished materials like profiles or pipes allows many industry areas sustainable implementation potentials. Machining the shell surfaces of profile bars can be made in near neat shape, this saves a lot of machining work. 

At Biersack we are specialized in that area too:

  • Manufacturing of complete profiles 5-axial
  • Ideal for components from aerospace and automobile industry made of prefabricated profiles: extrusion profiles for seat rails in airplanes, cargo system strips, structural components
  • Up to 6.200 mm 
  • Up to 20.000 1/min 
  • Passage up to 150 x 150 mm²