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Brass Valve Manifold: CNC Machining with Internal Feature Optimization
During the technical audit of this brass manifold, our engineering team identified a high risk of internal feature collision. By precisely recalibrating hole spacing and optimizing wall thickness, we eliminated structural risks and improved machining stability.
Result: Successfully reduced the prototyping cycle by 30% and ensured 100% consistency for high-volume production.
Product Specifications
– Name : Custom Multi-Port Valve Block
– Material : Brass
– Process : 4-Axis CNC Milling
– Dimensions : 65mm x 65mm x 40mm
– Tolerance : ±0.02mm
A. Technical Challenge
The original CAD design featured multiple intersecting fluid paths with extremely thin separation walls. Our analysis showed that standard drilling pressure would likely cause internal structural breaches (breakthroughs) or significant dimensional drift due to material stress.
B. DFM Engineering Support
We proposed a strategic offset of internal bore centers by 0.5mm and adjusted the external wall profile. This proactive DFM optimization ensured sufficient tool clearance and structural rigidity without compromising the manifold’s hydraulic performance.
C. Manufacturing Stability
This optimization transformed a high-risk design into a stable manufacturing process. It minimized tool vibration (chatter), allowing for high-speed machining while maintaining tight tolerances across batches, effectively preventing assembly issues for the OEM client.
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