Complete Solutions

«two in one» brings together expertise in the production of castings and metal-machining with the know-how from other technologies as rewuired. You are always a step ahead of the rest.

The unique Swiss manufacturing network «two in one» introduces complementary skills and extensive expertise with a high professional competence into every manufacturing solution. Made in Switzerland - Swiss Quality.

Gearbox

 

Application:

Gearbox for the main rotor of a helicopter

 

Solution:

  • Unmachined part of high-strength aluminium cast alloy

  • Metal-machining to maximum precision by Knoepfel AG

  • Surface treatment by BWB-Betschart AG, gear box anodized and bichromat compressed, sealing surface yellow chromated Alodine 1200

Back rest

 

Anwendung:

Tooth flank grinding machine

 

Solution:

  • Use of a GJS-400 casting material from Benninger Guss AG

  • Metal-machining by Knoepfel AG (manufacturing tolerances for angularity, flatness and concentricity < 0.01mm)

Crankshaft

 

Anwendung:

Multi-stage, high-pressure compressor

 

Solution:

  • Use of an ADI casting material from Benninger Guss AG

  • Metal-machining by Knoepfel AG

  • Surface hardening by Gerster AG hardening shop

  • Grinding of all shaft seats and crank bearing by Knoepfel AG (manufacturing tolerance =
    < 2um, roughness Ra 0.2)

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