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Case Studies Machined Bronze Pump Housing Converted to a Zinc Die Casting

Machined Bronze Pump Housing Conversion

Machined Bronze Pump Housing to Zinc Die Casting

Converted a machined Bronze pump housing into a Zinc die casting resulting in a 82% cost reduction in raw material alone and removed the need for customer to hand clean the parts.

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  • Mold was designed, built and samples delivered in 7 weeks
  • Tooling completed 22.5% under quoted price
  • Runner and part separated in the mold, at the machine automatically
  • Production Castings 100% dimensionally correct & delivered to customer in 8 week lead time
  • Zamak #3 exceeds all material requirements
  • 12 CTF dimensions to specification
  • Impeller pocket exceeds finish requirements of CNC machined version
  • Liquid flow-through windows burr & flash free
  • Zinc die casting is Dimensionally stable
  • As-cast surface exceeds customer’s requirements
  • In-die gating working completely as designed
  • Machine producing 55% more castings per hour than quoted
  • ROHS compliant and 96 Hour Salt Spray requirement (ASTM B117) achieved
  • PPAP passed on first submission
  • Hand cleaning of Housing by customer eliminated completely
  • Customer was given a 1,000,000 shot tooling guarantee
  • The Tooling pay-back was in 32 days
  • Piece-part price of bronze Pump Housing beat by 82% 
  • The end product is 504% more expensive in Bronze than it is in Zinc

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