Metal Stitching | Metal Locking | Crack Repair | Metal Surgery – RA Power Solutions

RA Power Solutions having more than forty years of experience in field of repair and maintenance of high capacity engines, understands the importance of the parts.

In case of damage of engine components or crack, RA Power Solutions undertakes repair onsite by metal stitching or metal locking process. We are considered to be the leaders in this field as we use the master lock, master piece, keys and consumable of high quality imported from UK. Our technicians are highly experienced. Crack repair and repair of damaged casting components can also be executed while sailing of the Vessel.

Replacement of Broken casting by new one- metal stitching
Replacement of Broken Casting by New one- Metal Stitching
Inspection window reapir by metal lock
Inspection Window Repair by Metal Lock

Following is the process of metal locking, metal stitching and advantages.

Process of Metal Locking, Metal Stitching:

The Metal Stitching process is accepted as the method of repairing all cracked, broken and damaged casting in cast iron, aluminium and steel.

metal stitching of broken casting
Metal Stitching of Broken Casting
Repair of Damaged Window of engine block
Repair of Damaged Window of engine block

 

 

 

 

 

 

 

 

 

The Stitching Process
1. At first visible and invisible cracks are identified.
2. The parts are clamped together to bring the parts in original position.
3. A rectangular hole is made across the fractured portion.
4. This hole is made by drilling and chipping.
5. The Master lock, large rectangular key of special metal is inserted into the hole.
6. Locking Pins are inserted alongside the master lock to provide a tight and secured master lock.
7. A length of metal stitching keys are inserted on the sides of the master lock to prevent the locking pins to fall out when the casting is subjected to high vibrations.

Advantage of Metal Stitching
1. No heat stress are induced
2. No Distortion occurs
3. In many Instances machining is not required
4. Invaluable in emergency situations
5. Reduces downtime
6. Gas/ Liquid proof repair

metal Stitchining of Cylinder Head
Metal Stitching of Cylinder Head

For more information, please email us on info@rapowersolutions.com or call us on +91-9582647131

repaire of Crack measuring 1400mm x 1140 mm
Repair of Crack Measuring 1400mm x 1140 mm
Damged engine repair by metal locking process
Damaged Engine Repair by Metal Locking Process

 

RA Power Solutions having more than forty years of experience in field of repair and maintenance of high capacity engines, understands the importance of the parts. In case of damage of engine components or crack, RA Power Solutions undertakes repair onsite by metal stitching or metal locking process. We are considered to be the leaders … Continue reading “Metal Stitching | Metal Locking | Crack Repair | Metal Surgery – RA Power Solutions”

Metal Stitching – RA Power Solutions

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 – RA Power Solutions”

Crack Repair of Cast Iron – RA Power Solutions

We have over 36 years of experience of undertaking cast iron crack repair by metal stitching and metal locking process which is proven and has various advantages over the crack repair by welding process.

We have successfully undertaken repair of crack and  broken cast iron and cast steel castings of engine block, cylinder heads, turbine casing, gearboxes and heavy plant and machinery by metal stitching and metal locking.

Repair of Engine Block
Repair of Engine Block
Broken Engine Block
Broken Engine Block

The consumables used by us to undertake crack repair and repair of broken casting are imported from USA and UK. All the repairs undertaken by us are executed by experienced engineers with guarantee. For ship owners we offer onsite metal stitching and metal locking services for crack repair while the vessel is on move. There is no need of anchorage of vessel or holding it at port.

Metal Locks and Keys Used in Metal Stitching Process
Metal Locks and Keys Used in Metal Stitching Process
Crankshaft Grinding After Metal Stitching
Crankshaft Grinding After Metal Stitching

 

 

 

 

 

 

 

We are the most cost effective for crack repair of marine engine  parts by metal stitching and metal locking can mobilize team of our technician with in a short notice of 6 hours.

Technicians have seaman passport and international travel can be organized in short time.

Crankpin After Grinding
Crankpin After Grinding
Crankshaft Grinding and Polishing
Crankshaft Grinding and Polishing

We have over 36 years of experience of undertaking cast iron crack repair by metal stitching and metal locking process which is proven and has various advantages over the crack repair by welding process. We have successfully undertaken repair of crack and  broken cast iron and cast steel castings of engine block, cylinder heads, turbine … Continue reading “Crack Repair of Cast Iron – RA Power Solutions”