#metallocking

Metal Stitching & Locking: The Long-Term Repair Advantage for Cracked Engine Components

Discover how metal stitching and metal locking provide a reliable, heat-free alternative to welding for repairing cracked cast iron and aluminum engine parts. Learn how this process — used by RA Power Solutions globally — restores strength, precision and alignment on-site or onboard vessels, significantly reducing downtime and transport costs. Explore the step-by-step method, real-world applications and why this approach is ideal for cracked engine blocks, cylinder heads, and heavy machinery components. 👉 For professional repair services and case studies around the world, visit [email protected] | [email protected] . . . . . #MetalStitching #MetalLocking #CastIronRepair #EngineRepair #OnsiteRepair #ShipMaintenance #MarineEngineering #HeavyMachineryRepair #ColdRepairMethod #RAPowerSolutions

45 Years of Expertise in Cold Metal Stitching & Locking for Engine Block Repair

Discover how RA Power Solutions’ proven cold metal stitching and metal locking techniques restore cracked and damaged cast-iron engine blocks without welding. Our portable, on-site process delivers permanent, heat-free repairs—minimizing downtime, avoiding costly replacements, and ensuring long-term structural integrity. For a detailed repair process of damaged casting by metal locking, damaged engine block, metal stitching, broken engine block repair, and metal surgery, please email us at [email protected], or [email protected], or call us at +91 9582647131 or +91 9810012383.

RA Power Solutions have been undertaking crack repair and repair of broken casting by metal stitching and metal locking process for last 40 years. We have also undertaken the repairs where the repeated attempts have been made to repair the crack by welding process.Metal stitching and metal locking is a crack repair process without generating any heat. In this method of metal stitching and metal locking, special keys and locks are used for repairing any crack.

RA Power Solutions was advised about an accident of auxiliary engine Yanmar 6M220L-SN (A/E#01) by a Greece based company whom we are serving for the last 15 years.

Team of two technicians was sent on board the vessel and following main observation was made:

I) Counter weight bolts sheared off due to which the engine block got damaged by the counterweights.

II) The impact was so high that multiple cracks were observed on both sides of the engine block measuring more than 122 inches.