Control valve

Address: Sarria de Ter, 20-52 08291, Ripollet, Barcelona, Spain.
Tel: +34 93 580 46 42
Fax: +34 93 692 62 10
Contact: Antonio Romero

End-User Company: Krupp Bilstein Suspension GmbH

Composition of PM Product: 2% Cu, 0,5% Mus, Rest Fe

Start Weight of Powder: 43 g

Finished Weight of Component: 38 g

Powder Consolidation Technique: Uniaxial compaction

Tooling Used: Floating withdrawal die

Consolidation Pressure: 4 t/cm2

Compact Denisty Before Sintering: 6,6 - 6,7 g/cm3

Temperature for sintering or other method of hot consolidation: 1.120 ° C

Final density of PM product (g/cm3): 6,6 g/cm3

Finishing operations: Steam treatment, resistance projection welding, turning

Tensile Strength (N/mm2): 220

Yield Strength (=0.2% N/mm2): 150

Hardness: 75 HV10

Elongation: 3,8%

Date PM Production First Started: 1/Jan/2004

Annual Production Quanity: 100.000

Bilstein has developed an innovative solution for the control valve of an active suspension. It is used in the Porsche Carrera and Boxter and represents the highest technical level in car suspensions worldwide. Bilstein explored alternative metal forming technologies and confronted the MIBA PM solution against the proposals of the best metal components manufacturers. The PM design proposes simple manufacturing steps, each one of high technological contents including welding. This design confirms the versatility of PM in materials and shape capability for meeting functional requirements.

Click HERE to download Further information - (PDF 377kb)