- +86-13156373861
- info@hqamurblasting.com
- No. 867 Century Avenue, West Coast New Area, Qingdao,China.
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.
Production consistency is driven by automated media mix management. Our separation systems continuously purge broken fragments, core sand fines, and micro-dust from the active operating mix, maintaining a stable blend of steel shot and grit. This controlled abrasive conditioning locks the casting surface precisely within Sa 2.5/Sa 3.0 cleanliness grades and targets the Ra 6.3 – 12.5 μm (250 – 500 μin) roughness specifications required to provide an optimal bonding profile for subsequent precision machining or protective priming. To withstand the relentless high-velocity abrasive impact inherent in continuous multi-shift heavy-duty fabrication cycles, high-wear resistant liners are fully installed across the high-impact blast zones inside the chamber to drastically reduce equipment downtime, ensuring maximum operational continuity.
To maintain high output limits, our heavy-load shot blasting lines integrate directly with automated foundry transfer layout structures. Fully automated mechanical positioning systems replace hazardous manual crane lifting, driving high-tonnage parts through the blasting tunnel at controlled, variable linear speeds. High-efficiency, direct-drive blast wheels are strategically arranged at optimized cross-angles to achieve 100% abrasive stream penetration into complex internal cavities, deep recesses, structural reinforcement ribs, and heavy thick-walled sections without eroding fine dimensional clearances or thinner casting webs.
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.
