For high-precision machinery applications, colossal components like machine tool beds, vertical columns, and heavy gearbox housings demand rigid dimensional protection and complete stress relief during descaling to prevent micro-level deformation. Simultaneously, for fluid-handling sectors, heavy-scale pump casings and high-pressure valve bodies require absolute internal cavity cleanliness and a scale-free finish to guarantee zero-leakage performance under extreme structural stress. Residual core sand or oxide scale built up on internal passages causes severe tool wear during subsequent milling and boring operations, directly destroying the critical dimensional tolerances of the finished parts. Modern heavy foundries require continuous, predictable blast processes that prevent material handling bottlenecks while safely managing high-tonnage components.
To maintain efficient production cycles, our large-scale shot blasting lines integrate directly with your heavy molding and pouring lines. Fully automated handling systems replace manual crane positioning, moving massive workpieces through the blast chamber at controlled line speeds. Direct-drive, high-efficiency blast wheels are positioned at optimal angles to deliver 100% abrasive coverage across complex internal cavities, deep recesses, structural ribs, and thick-walled sections without eroding critical dimensions or thinner casting walls.
Process consistency relies on our heavy-duty abrasive recycling and separation system. Utilizing these highly efficient separation and recycling systems, the equipment continuously removes core sand, fines, and broken media from the operating mix. This maintains a clean, stable blend of steel shot and grit, strictly stabilizing the casting surface within Sa 2.5/3.0 cleanliness grades and the target Ra 6.3 – 12.5 μm (250 – 500 μin) roughness specifications to provide a perfect surface substrate for subsequent precision machining operations. To withstand continuous high-velocity abrasive impact and severe wear, high-wear resistant liners are fully installed across the high-impact blast zones inside the chamber to drastically reduce equipment downtime, ensuring maximum operational uptime.
Continuous pass-through systems engineered to support high takt time production lines efficiently.
Advanced surface treatment ensuring complete sand removal for optimal coating and bonding adhesion.
Precision blasting technology guaranteeing zero damage to complex geometries and critical operational surfaces.
Smart fully automated mechanical handling allowing zero manual intervention to maximize workshop safety.
Heavy-duty industrial structural design ensuring continuous 24/7 operational reliability with minimal maintenance costs.
Proven surface treatment for high-tonnage components across international industrial supply chains.
HOAMUR builds industrial-grade blasting lines for high-tonnage foundry environments. From continuous structural descaling to automated batch cleaning, our systems are configured to match your required line speeds, part dimensions, and automation specifications.
Our engineering team is ready to design the right shot blasting and surface preparation solution tailored to your production needs.
