ADVANCED TOOLING FLOW, LEAK & COOLING-CIRCUIT VERIFICATION
Use measured flow, pressure behavior, leak tests, cleaning records, and acceptance criteria for complex, high-value, and additively manufactured tooling.
VERIFY COMPLEX COOLING CIRCUITS BEFORE PRODUCTION
Advanced tooling may contain long drilled passages, baffles, bubblers, small branches, conformal paths, sensitive seals, or multiple materials. A documented flow and leak-verification process helps tool builders, launch teams, and maintenance groups confirm that each cooling circuit is open, correctly connected, and ready for thermal qualification.
The MDM water-circuit cleaning and test system can support pulsed cleaning, flow monitoring, pressure and leakage checks, multi-circuit work, drying, and downloadable maintenance records for compatible tooling.
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SEPARATE CLEANING, FLOW TESTING AND LEAK TESTING
Cleaning removes contamination, a flow test measures circulation under defined conditions, and a leak or pressure test evaluates circuit integrity against an approved limit. These are related but distinct tasks. Record the test setup, fluid condition, valve positions, pressure, duration, flow, leakage result, and acceptance decision so results can be reproduced.
PLAN ACCEPTANCE CRITERIA WITH THE TOOL BUILDER
Provide the circuit map, passage dimensions, build material, connection standard, allowable pressure, baseline or design flow, test duration, leak criteria, cleaning-media restrictions, drying requirement, and required data format. For complex additive passages, also review conformal cooling cleaning and descaling.
Expert Advice
Do not use one test result to answer three questions
A clean passage can still leak, and a leak-free passage can still have poor flow. Keep cleaning, flow verification, and pressure/leak testing as separate recorded steps with their own acceptance criteria.
Related engineering resources: MDM equipment · Conformal cooling · Technical guide