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 11,000 mm of outer diameter ,1 lathe for rings up to 12,000 mm of outer diameter that can also drill,, 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 2,000 mm of outer diameter, 2 lathes for rings up to 3,400 mm of outer diameter, 1 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 3,900 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 6,000 mm of outer diameter, 1 gear cutting machine for rings up to 4,050 mm of outer diameter, and 1 induction hardening machine for rings up to 4,000 mm of outer diameter.