Peen Forming Factory & Manufacturer for the Romania Market

Traditional die-based press forming and stretch-forming processes impart mechanical deformation through high external surface force, typically resulting in surface stretching, wall thinning, and unfavorable residual tensile stresses on outer curved surfaces that accelerate fatigue degradation and stress corrosion. In contrast, peen forming is completely dieless: high-energy shot media cold-works the surface, generating an internal compressive residual stress gradient that forces the plate to flex upward toward the blast stream. This process retains pristine plate thickness, induces high compressive residual stress layers, and completely eliminates the expensive tooling fixtures otherwise needed for complex, small-batch aerostructure designs.

AMS 2432 is the industry's most rigorous aerospace standard for shot peening. KOSHIN peen forming and shot peening systems meet AMS 2432 requirements by deploying high-resolution closed-loop continuous controls over all primary variables: blast pressure is constantly monitored via digital transducers; shot flow is measured and throttled in real time via electronic or magnetic valves; axis travel velocity, standoff distance, and impact angle are interpolated via CNC servos; and media shape is continuously monitored via vibratory screens and spiral separators. In the event of a variance greater than ±5% on critical parameters, the machine triggers an automatic abort and logs the exact cycle coordinates, preventing unverified or non-compliant parts from moving down the production line.

Yes. KOSHIN systems feature wide, multi-stage pressure modulation ranges (from 0.5 bar up to 7 bar) and interchangeable multi-nozzle manifolds capable of handling shot sizes ranging from tiny microspheres (such as glass beads or ceramic Zirshot) up to heavy conditioned cast shot (such as CCW 28 or S-460/S-550). For ultra-thin skins, our low-pressure, fine-microsphere peening modes prevent localized through-thickness dimpling while attaining required curvature. For heavy monolithic wing planks up to 25 mm thickness, our high-mass shot peen forming systems generate deep plastic deformation fields that cleanly generate both single and compound contours.

All KOSHIN systems shipped to Romania and the greater European Union are fully CE marked and delivered with complete technical compliance documentation under the 2006/42/EC Machinery Directive, 2014/30/EU EMC Directive, and 2014/68/EU Pressure Equipment Directive (PED). Technical dossiers include full electrical schematics (EPLAN format), pneumatic layout schematics, complete Bill of Materials (BOM) with internationally standardized components (Siemens, Schneider, SMC, Festo), FAT validation records with Almen saturation curve verification, and Nadcap-ready software architecture manuals.

KOSHIN coordinates field engineering support directly from our Singapore engineering headquarters in conjunction with European service partners. We dispatch field service engineers directly to your plant in Romania (Brașov, Craiova, Bucharest, etc.) to manage mechanical positioning, level calibration, pneumatic connections, and full Site Acceptance Testing (SAT). In addition to running baseline Almen strip intensity checks, our engineers conduct extensive hands-on operational and maintenance training courses for your programming teams, covering CNC path generation, Almen saturation profiling (SAE J443), and preventive sensor maintenance.