Metal Stitching

Complete Piece Replaced by New Casting (Metal Stitching)
Complete Piece Replaced by New Casting (Metal Stitching)

Crack in cast iron engine components is developed due to stress or accident. It is not always financially feasible to replace the engine components which develop cracks like engine block, cylinder head, cylinder liner, turbo charger casing and other parts. The delivery time and logistics arrangement also take time resulting to the delay in re-commissioning of engine.

RA Power Solutions undertakes repair of crack or broken components by metal stitching and metal locking process. This is a cold process which is followed for the repair of crack. No heat is generated and no stresses are developed. In metal stitching and metal locking process of repair of crack keys and locks of special alloys are used.

Special Keys Used in Metal Stitching
Special Keys Used in Metal Stitching

We have technicians with over 40 years of experience in repair of broken casting and cracks. RA Power Solutions is the only company which can undertake repair of broken casting and crack by metal stitching and metal locking process on board a vessel while it is sailing. All our technicians undertaking metal stitching and metal locking repairs have valid seaman book. We have successfully undertaken repair of cracks and broken casting of following engines which are performing satisfactory.

Wartsila , Daihatsu , Caterpillar , MAN B&W, MAK , Sulzer , Bergen , Detroit Diesel , Stork Werkspoor , Pielstick , Deutz , Yanmar , MTU , Cummins , Nohab Polar , Mirrlees Blackstone, Caterpillar , Mitsubishi , Yanmar , Daihatsu and many more.

Metal Stitching by Using Broken Pieces of Engine Block
Metal Stitching by Using Broken Pieces of Engine Block
Cracked Cylinder Liner
               Cracked Cylinder Liner

Crack in cast iron engine components is developed due to stress or accident. It is not always financially feasible to replace the engine components which develop cracks like engine block, cylinder head, cylinder liner, turbo charger casing and other parts. The delivery time and logistics arrangement also take time resulting to the delay in re-commissioning … Continue reading “Metal Stitching”

Advantage of Metal Stitching Process

RA Power Solutions Pvt. Ltd. undertakes repair of crack casting which is broken in to pieces by metal stitching and metal locking process. The company has executed successfully repair of more than 600 nos. of crack engine block, turbine casing, turbo charger casing, gearbox housings, etc. in last 3 decades.

It is proven that repair of crack in cast iron or cast steel, castings is successful by metal stitching and metal locking process in comparison to old welding process which was followed.

Advantages of crack repair by metal stitching and metal locking process are as follow:

I) Repair of cracks in engine block, cylinder heads, and turbines can be undertaken by metal stitching and metal locking process on site without disassembly of the equipment. This process of repair saves downtime and is cost effective.

II) Metal stitching and metal locking process provides an excellent expansion joint for engine parts like cylinder liners,crankcase, cylinder heads which are subject to thermal and mechanical stresses. The main advantage of repair of cracks by metal stitching and metal locking process is that no stresses are developed and the alignment is maintained with original surfaces as the lack of heat produces no distortion.

III) The procedure and process of repair of cracks by metal stitching and metal locking is accepted by various classes and inspection agencies.

IV) The process of metal locking and metal stitching is cold, no heat is generated and in most cases there is no need of replacement of heavy and expensive parts.

Metal Stitching and Metal Locking Process
Metal Stitching and Metal Locking Process

RA Power Solutions Pvt. Ltd. undertakes repair of crack casting which is broken in to pieces by metal stitching and metal locking process. The company has executed successfully repair of more than 600 nos. of crack engine block, turbine casing, turbo charger casing, gearbox housings, etc. in last 3 decades. It is proven that repair … Continue reading “Advantage of Metal Stitching Process”