Case : UK Construction Machinery Customer Complex Control Valve Housing
Release Time:
Feb 03,2026
Complex Control Valve Housing
Customer Pain Points
A UK construction machinery enterprise encountered serious porosity and shrinkage issues in a multi-channel control valve housing with complex internal passages and large wall thickness variations when produced by European foundries. The parts frequently leaked after machining and failed pressure testing.
Our Solution
• Adopted full-silica sol investment casting
• Optimized gating system with CAE casting simulation
• Applied vacuum pouring to significantly improve density
• 100% air tightness inspection and full dimension inspection
Achievements
• First-pass yield increased from 65% to 98%
• Zero leakage and zero scrap after machining
• Customer transferred global orders to our company
Keywords：
Tel : +86-18698712711
Tel : +86-18698627828
WhatAapp : +86-18698627828
Email : dlhxcasting@163.com
Add：Shisanli Industrial Park, Jinzhou District, Dalian City, Liaoning Province
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