Cross-hole tiny burrs, why traditional polishing is always not clean
2026-09-09
Many precision machining manufacturers have encountered the same problem: cross holes for valve bodies, nozzles, molds, and shaft parts, manual grinding, traditional polishing, and high-pressure washing are all used, and the naked eye looks clean. Once the endoscope is enlarged, tiny burrs in dead corners still exist. Rework is repeatedly tossed, the pass rate does not improve, and it is easy to s...