Turning, drilling, gear cutting, milling and other processes for rolled rings up to Ø 10.000 mm

euskalforging has its own production equipment to carry out machining work on its rolled rings and to supply its clients with a fully finished product.


The machining processes carried out at euskalforging are as follows:

  • Turning
  • Drilling
  • Gear Cutting
  • Milling and others

Turning and drilling

In terms of production equipment, euskalforging has CNC vertical lathes and CNC drilling machines for machining:

  • Rings with a maximum outer diameter of: 10,000 mm
  • Rings with a maximum height of: 2,000 mm
  • Rings with a maximum weight of: 80,000 kg

Gear Cutting

In terms of production equipment, euskalforging has two CNC gear cutting machines to gear cut rings with the following technical characteristics:

Characteristics of the type of gear cutting [PDF]  

Machining Shops

euskalforging has two machining shops:

  • One is located within the Sestao plant where euskalforging has 2 lathes for rings up to 6.500 mm of outer diameter, 3 lathes for rings up to 8.000 mm of outer diameter, 1 lathe for rings up to 10.000 mm of outer diameter, 1 gear cutting machine for rings up to 8.000 mm of outer diameter, 1 drilling machine for rings up to 9.000 mm of outer diameter and 1 machining centre that can turn, drill and mill rings up to 10.000 mm of outer diameter.
  • A second machining workshop is located in the town of Mungia where euskalforging has 2 lathes for rings up to 3.200 mm of outer diameter, 3 lathes for rings up to 3.600 mm of outer diameter, 2 lathes for rings up to 3.800 mm of outer diameter, 2 lathes for rings up to 4.000 mm of outer diameter, 3 lathes for rings up to 5.000 mm of outer diameter, 1 lathe for rings up to 5.500 mm of outer diameter, 1 lathe for rings up to 6.000 mm of outer diameter, 3 drilling machines for rings up to 5.000 mm of outer diameter, 1 drilling machine for rings up to 5.500 mm of outer diameter, 1 gear cutting machine for rings up to 4.050 mm of outer diameter, 1 induction hardening machine for rings up to 4.000 mm of outer diameter and 1 milling machine of 2.200 mm x 4.000 mm.