Repair of Damaged Engine Block | Engine Block Repair

RA Power Solutions was recently approached by a diesel power plant based in South America having Wartsila 12V32 and Wartsila 18V32 diesel generating sets.

Broken Engine Block of Wartsila Diesel Engine
Broken Engine Block of Wartsila Diesel Engine

A serious accident took place due to failure of cylinder liner resulting in to the damage of various parts including lower and upper engine block of Wartsila 18V32 engine. On investigation by RA Power Solutions technicians it was observed that upper and lower engine block suffered severe multiple cracks measuring to total 2900 mm in length and damage of casting into small pieces measuring 300 X 460 mm.

Various options were discussed and it was decided to replace the lower and upper crankcase. The cost of replacement of damage lower and upper engine block of Wartsila 18V 32 was exorbitant with a delivery period of 9 months. RA Power Solutions proposed to repair the multiple cracks and damaged portion by metal stitching and metal locking process. This is a cold process of crack repair and has been followed by our technicians in number of installations all over the world during our service to the industry for last four decades.

Casting Piece Given Profile as per Damaged Engine Block
Casting Piece Given Profile as per Damaged Engine Block
Special Metal Locks and Keys Used in Metal Stitching Process
Special Metal Locks and Keys Used in Metal Stitching Process

The damaged portion of the engine block was given a discipline profile and new piece of casting having similar metallurgical properties as of the parent material was placed and metal stitched using the latest design of metal stitching locks and keys. The multiple cracks were properly marked by our technicians using the latest MPI equipment to identify the cracks. The multiple cracks were also repaired by metal stitching and metal locking process.

RA Power Solutions also undertook the onsite grinding of crankshaft which got damaged due to accident and re-assembled the engine in 16 days time. All these repairs were conducted in-house with the onsite portable equipments which were carried to the site by the technicians. Perhaps no other company in the world can offer all repair services under the same roof.

Special Keys Used in Metal Stitching
Special Keys Used in Metal Stitching
Metal Stitching Of Engine Block is in Process
Metal Stitching Of Engine Block is in Process

The engine is performing satisfactory.

RA Power Solutions specializes in cast iron repairs, utilizes advance metal stitching and metal locking processes that are ideal and most suited for this type of crack repair.

RA Power Solutions takes the pride to announce that in our four decades of experience, we were able to save millions of dollars of end users by undertaking the onsite repairs of damaged parts avoiding the expenses towards the cost of new parts which are exorbitantly priced with long delivery.

We have a dedicated team to undertake the repair of crack and damaged engine components. It is possible to undertake metal stitching and metal locking for repairs of crack on a moving vessel.

Repair of Damaged Engine Block by RA Power Technician
Repair of Damaged Engine Block by RA Power Technician
Repair of Engine Block by Metal Stitching/Metal Locking While Vessel is Sailing
Repair of Engine Block by Metal Stitching/Metal Locking While Vessel is Sailing

Technicians can join the vessel in short time as they carry seaman passport. As an Indian company we are respected for our sincerity, experience and lowest cost.

For more information on engine block repair and damage engine block repair, please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Lock and Stitch Cast Iron Repair by RA Power Solutions Pvt. Ltd.

Repair of cracks developed in commonly used industrial castings and metal is possible to repair by cold method called lock and stitch. It is also known as metal stitching and metal locking. In case of cast iron equipments and parts damaged in to pieces.

RA Power Solutions Pvt. Ltd. undertakes repair by lock and stitch process which is cold method as no heat is generated. Crack repair by lock and stitch method in cast iron is proved to be of great success in comparison to the crack repair by welding.

In case of critical cast iron components like engine block, main journal housings, cylinder heads, turbine casings crack repair by metal stitching is highly recommended as it does not develop any misalignment of the casting or shrinkage. We undertake crack repair of cast iron for last more than 37 years on time, within budget and with experienced technicians.

Crack Repair by Lock and Stitch Method
Crack Repair by Lock and Stitch Method

Cast iron repair by metal stitching and metal locking process have following main advantages:

  • Repair of broken casting or crack developed in casting irrespective of its length is possible on site without dismantling the equipment.
  • Saves replacement of parts or equipments in totality and reduces downtime.
  • Cast iron repair by metal stitching and metal locking is the only process which restores strength in cast iron beyond the original casting.
Engine Block of MAN Diesel Engine Broken Ito Pieces
Engine Block of MAN Diesel Engine Broken Ito Pieces
Complete Piece Replaced by New Casting
Complete Piece Replaced by New Casting
  • Metal stitching and metal locking is the only method known to be successful in replacing of the large pieces of broken casting with new piece.
  • Metal stitching and metal locking is the process which caters to heavy industry.

RA Power Solutions Pvt. Ltd. is the only company which can undertake crack repair by Lock and stitch method while vessel is sailing.

Metal Stitching of Forging Press – Crack Measuring 230 inches
Metal Stitching of Forging Press – Crack Measuring 230 inches
Repair of Engine Block of Yanmar Engine on Vessel
Repair of Engine Block of Yanmar Engine on Vessel

For more details regarding Engine Block of MAN Diesel Engine please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Lock and Stitch Cast Iron Repair | Crack Repair in Cast Iron

Heavy castings like turbine casing, gearboxes, engine block, heads and heavy cast iron parts need not to be disassembled in case of development of crack in casting or breakage of casting in to pieces due to accident.

Cold metal stitching and metal locking process is used to repair cracks in cast iron. The process of crack repair by metal stitching and metal locking does not require any welding and generation of heat. The time has proved that the crack repaired in casting by metal stitching and metal locking is far stronger and more durable in comparison to the repair of crack by welding process.

Broken Engine Block of Yanmar Engine
Broken Engine Block of Yanmar Engine
Repair of Broken Casting by Metal Stitching Process
Repair of Broken Casting by Metal Stitching Process

In most of the cases crack repair in casting is possible onsite and there is no need of transporting the heavy cast piece to the workshop. RA Power Solutions Pvt. Ltd. undertakes crack repair by metal stitching and metal locking process for last more than 3 decades and have executed number of repairs successfully all over the world.

RA Power Solutions Pvt. Ltd. is the first company which can undertake repair of high capacity engine blocks, turbine casings, cylinder heads and all cast parts installed on the vessel while it is on move.

Assembly of Broken Pieces of Engine Block
Assembly of Broken Pieces of Engine Block
Metal Stitching of Engine Block in Process
Metal Stitching of Engine Block in Process

The lock and stitch cast iron repair executed by us is guaranteed for satisfactory performance. We are cost-effective and priced lowest in the industry.

Metal Stitching and Metal Locking of Engine Block
Metal Stitching and Metal Locking of Engine Block
Engine Block After Repair
Engine Block After Repair

For more updates on repair of crack in cast iron casting, cast iron crack repair, repair of high-capacity engine blocks, cast iron stitching, or crack repair in cast iron email info@rapowersolutions.com, rajshahani@rapowersolutions.com, call at +91 9582647131, or +91 9810012383.