RA Power Solutions is one of the oldest company based in New Delhi, India, undertaking crack repairs of damaged heavy components, manufactured out of cast iron, bronze, aluminium, and cast steel by cold process of metal lock and metal stitching.
Metal stitching and metal locking is a simple but proven process of repairing cracks in heavy components without following the wielding method which generates excessive heat.
Crack In Exhaust Side Stud Bolt Hole | Crack In Cylinder Liner |
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It is observed that the heavy components made of cast iron, bronze, cast steel and aluminium get damaged due to accidents. In case the damaged portion of the casting is broken into pieces in most cases it is not possible to replace the damaged component with a new one as it is expensive, takes time to manufacture or is a part of absolute equipment.
Crack In Main Engine Liner |
RA Power Solutions has experienced technicians and a process available by which the damaged portion of the component is completely cut off. The new casting is made of cast iron, cast steel, or aluminium as per the original damaged component and is manufactured and taken to the site. The new casting is properly assembled and is metal stitched by our experienced technicians using the best quality of metal keys and locks.
Metal Stitching of Cylinder Liner Under Progress | Crack Repair By Metal Stitching Under Progress |
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The photograph shown in this blog are of MAN main engine model SMIT MAN R666W (Main Engine Port Side) which met with an serious accident. In this case, we have successfully repaired the engine block, cylinder liner, and piston having multiple cracks, length measuring from 75 mm to 190 mm.
Advantages of repair of damage casting and crack by metal lock and metal stitching process.
MPI Test After Metal Stitching | Cylinder Liner After Metal Stitching Outer Side |
This method of crack repair is the cheapest and can be executed in a short time. Onsite metal stitching repair is undertaken using our in-house trained technicians and consumables. Crack repair and repair of damage casting can be done in any part of the world and on board the vessel as our all technicians have valid passports and seaman book. The process of crack repair by metal lock and metal stitching is approved throughout the world including Lloyds.
Cylinder Liner Seating Area's Exhaust Side After Metal Stitching |
Engine Under Assembly After Metal Stitching |
For more details regarding crack repair of aluminium and cast iron by metal lock & metal stitching, please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.