IMPELLER/BLISKS

PRÄWEST is milling, turning and grinding the following materials Aluminum,
Titanium, IMI 834, Inconel/Waspalloy, Nimonic - Udimet, 17 - 4 PH and
other stainless and heat resistant alloys.


We have extensive experience in machining complex parts, such as:

  • Blisks for turbines
  • Compressor impellers and turbines (shrouded and conventional)
  • Impeller wheels for turbines

Size is only limited by the weight of the raw material (Max: 11 Tonnes) and a
maximun diameter of 2500 mm.

Stator ring

Two sided impeller, Dia. 1140 mm,
milled from solid material

Compressor rotor (Titanium)

Compressor rotor (Titanium)

Impeller wheel

Impeller wheel

Impeller, inverted<

Impeller, inverted

Aluminium Blisk

Aluminium Blisk

Turbine wheel

Turbine wheel for turbo-charger Dia. 45 mm (Inconel 718)

Titanium Blisk

Titanium Blisk

Aluminium Blisk

Aluminium Blisk

Shrouded impellers

Shrouded impellers, milled from solid material (Aluminium)

Stator ring

Stator ring, Dia. 1900 mm,
milled from solid material

Stator ring

Stator ring, Dia. ca. 1300 mm

Impeller

Impeller, Dia. approx. 900 mm

Detail of Impeller

Detail – Impeller, Dia. approx. 900 mm

Stator ring

Shrouded impeller, Dia. approx. 600 mm, machined from solid material