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Alliages & Transformation is a registered trademark of Saint-Gobain SEVA.

The company makes and transforms superalloys, through its metallurgy laboratory, foundry and CNC machining equipment.

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Technical documentation:

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Machinig tools

  1. Milling
  2. Turning
  3. Electro-erosion / Wire
  4. Polishing / Rectification

Milling

5-axis continuous machining

For several years, we have been developing skills that allow us to get the best out of using 5-axis machining with CAM software specifically developed for this type of work.

Technical specification of our vertical 5-axis centres

Operation

Band Name

Type

Travel

Power Max. rpm

NC Type

Type CN

5-axis machining centre CB FERRARI D23 1600 x 1600 x 630 24 kW / 16000 rpm E550 ELECKXA
5-axis machining centre MAZAK VARIAXIS 730 730 x 850 x 560 22 kW / 10000 rpm MAZATROL FUSION 640M
5-axis machining centre JOBS TARKUS-T35 3300 x 2100 x 1000 42 kW / 4000 rpm

SIEMENS 840D

Fraiseuse TarkusFraiseuse Mazak

Milling of large pieces

Large capacity milling machine enables us to mill pieces up to 5 m x 2 m and weighing up to 50 tons.

Technical specification

Operation

Band Name

Type

Travel

Power Max. rpm

NC Type

3-axis milling machine DROOP & HEIN LFAS 2000K CNW 4000 x 1800 x 1300 30 kW / 3200 rpm FIDIA M2

Fraiseuse Droop

Turning

Our horizontal / vertical lathes

We have a range of horizontal lathes and vertical lathes that can turn pieces up to 1800 mm in diameter and 1500 mm long.

Technical specification of our lathes

Operation

Band Name

Type

Travel

Power Max. rpm

CN Type

Vertical lathe BERTHIEZ TFM 100M Ø : 900 Lg : 800 51 kW / 400 rpm SIEMENS 840D
Vertical lathe PENSOTI NT160 CNC Ø : 1800 Lg : 1500 92 kW / 346 rpm SIEMENS 840D
Twin turret horizontal lathe OKUMA LR45 Ø : 570 Lg : 1500 45 kW / 2400 rpm OKUMA OSPN 5020
Horizontal lathe OKUMA LB15 ll 1000 Ø : 340 Lg : 1020 22 kW / 3800 rpm OKUMA OSPN 5020

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Electro-erosion / Wire

Electro-Erosion and wire cutting

Supplementary, integrated equipment for wire erosion and recessing.

Technical specification of our machines

Operation

Band Name

Type

Travel

Power Max. rpm

NC Type

Erosion Recessing SODICK AQ35L-LQ1 350 x 250 x 250 20 rpm - 360000 positions/30A LQ1W
Wire cutting SODICK AQ327L-LQ Premium 370 x 270 x 250 - LQ Q3 VIC

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Polishing / Grinding

Manual polishing

Our specialist manual polishing team obtains excellent surface finishes on pieces of complex shape.

Automatic polishing

Using the automatic polishing equipment designed by our design department, we can finely polish complex shapes cost-effectively.

We also market our GM 2000 polishing machines to tool companies and companies that are reference names in the automotive sector.

polishing

Major manufacturers use our equipment :

Volkswagen (their Ingolstadt site was named "centre of excellence" for the vehicle body surface quality obtained by polishing), Audi, Skoda, GM, Volvo, etc..

Technical specification of our polishing machines

Band name

Model

Dimensions (mm)

SEVA GM 2000 X : 2000 - Y : 1800 - Z : 500 + 300

Plane grinding

We can achieve excellent geometrical and dimensional precision, together with an excellent surface finish.

Technical specification

Operation

Band Name

Type

Travel

Power Max. rpm

NC Type

NC Plane grinder FUMAGALLI RTA 700 L 865 x 470 x 560 32 kW / 1450 rpm SIEMENS 805