Mrida
ResTech
MRIDA
— ResTech —Research • Services • Trading
ResTech
Sub-micron digitization of a high-efficiency slurry pump impeller, reconstructing precision hydrofoil camber curvature, blade leading edges, and back pump-out ribs.
Pump OEM needed to modernize an obsolete bronze impeller design for stainless steel casting without original drawings.
Impeller had uneven leading edge wear from abrasive sediment, making conventional hand measurements impossible.
Deriving the exact logarithmic hydrofoil angle and blade inlet twist angle across non-symmetric eroded vanes.
Targeted multi-axis scan registration, blade surface unwrapping, and mathematical camber line derivation.
Recovered mean blade camber lines across all vanes and averaged rotational symmetry to eliminate dynamic mass unbalance.
Modeled back balancing pump-out vanes to reduce axial thrust loads on pump drive bearings.
Hydrodynamically validated 3D solid model with ISO G2.5 dynamic balancing reference planes.
Eliminated hydraulic flow separation and restored high-efficiency laminar entry characteristics.
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