Metal Stitching Archives - Connecting Rod Repair

Cast Iron Crack Repair | Metal Stitching Crack Repair | Repairing Crack Cast Iron by Metal Stitching & Metal Lock – RA Power Solutions

Metal stitching and metal lock process of repairing a crack casting or complete damage of cast iron parts of large equipments is considered to be the ultimate solution of successful repair. The repair of cracks and repair of damaged casting by metal locking or metal stitching process is simple and most effective method of repairing cracks in cast iron and aluminium components. The process is entirely a cold process and no heat is generated like in process of crack repair or damage casting repair by conventional and old method of welding.

RA Power Solutions having experience of more than forty years in providing cold metal stitching cast iron, onsite repair, and metal locking services for high-capacity main engine, auxiliary engine, and large and heavy rotary equipment installed on vessel or in industry. We extend crack repair services through our experienced and factory-trained technicians.

The following are the main features of crack repair undertaken by RA Power Solutions:

Detection of crack in cast iron or aluminium components: It is important that proper procedure is followed by experienced technicians to detect the exact location, length, and intensity of the crack. We have experience that in most of cases, no procedure is followed to identify the intensity of the crack which results to the failure of the component even after the repair by metal lock and metal stitching.

RA Power Solutions possess latest equipment to undertake MPI (Magnetic Particle Inspection) by qualified level 2 technicians, and we give great importance to the detection process of the cracks. The unattended cracks can grow and result to the failure of the component.
Once the number of cracks, length of crack, intensity, and depth of crack is determined and identified the repairs are undertaken by the metal stitching and metal lock process.

Some of the advantages of repairing cracks by metal stitching metal lock are mentioned below:

It is our experience that the majority of repairs of damaged components or cracks can be repaired on site with no requirement of dismantling the equipment. This reduces the downtime and of course the cost involved in dismantling and transportation of the equipment.
Repair of cracks and repair of damaged gray iron casting or aluminium by metal stitching and metal lock process does not generate any heat. Thus, it does not require any machining process. No alignment or profile is damaged.

In the case of diesel engines, compressors, or rotatory equipment majority of the parts are of aluminum or cast iron. It is possible to repair them by metal stitching metal lock process. Hence, no need of replacement of parts. It reduces cost of maintenance considerably.
Repair of crack by metal stitching metal lock process absorbs compression stresses which is of great advantage.

RA Power Solutions have been extending metal stitching, metal lock, and metal surgery services all over the world. The technicians with years of experience come to your site or on board the vessel for repairs. Our technicians possess Indian CDC and can board the vessel and sail in shortest possible time. Thousands of jobs of serious damage have been repaired successfully by RA Power Solutions.

For more information about cold metal stitching, metal stitching crack repair, cast iron metal stitching, repair of crack in cast iron casting, repairing cast iron metal lock, and metal locking services, please email us at rajshahani@rapowersolutions.com or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Metal stitching and metal lock process of repairing a crack casting or complete damage of cast iron parts of large equipments is considered to be the ultimate solution of successful repair. The repair of cracks and repair of damaged casting by metal locking or metal stitching process is simple and most effective method of repairing … Continue reading “Cast Iron Crack Repair | Metal Stitching Crack Repair | Repairing Crack Cast Iron by Metal Stitching & Metal Lock – RA Power Solutions”

Metal Stitching and Thread Repair Inserts – RA Power Solutions

RA Power Solutions was informed by one of our client regarding damage of cam case cover of MAN diesel engine on board a vessel sailing near China. The details including photographs were examined, and it was observed while the cam case cover was broken into pieces the threads on the engine body and the dowel pin were also damaged.

RA Power Solutions deputed their team of technicians on board the vessel, and they executed the repair of engine block, cam case cover sitting area by the following procedure:

The broken bolt which remained inside the thread hole was drilled out.
The damaged threads on cam cover sitting area on entablature was removed by drilling new blind holes, suiting the new M12 Helicoil thread inserts.
Re-tap holes for the new M12 Helicoil thread inserts was done carefully.
New M12 Helicoil thread inserts were installed in the engine frame/ entablature.
The 2 guide pins for the roller guide housing were removed, taking due precaution.
New roller guide housing was installed, with correct M12 hexagon bolts and including the newly introduced 10 mm washers.
After final alignment of the roller guide housing, the bolts were tightened with the correct tightening torque.
Finally, the two ø8 mm guide pinholes were drilled in both roller guide housing and engine frame and afterwards new guide pins were installed.

**repair of Threads on Engine Block Under Process**

**Repair of Thread Hole by Metal Stitching**

The repair of threads by thread repair inserts (helicoil inserts) proved to be successful as the engine is performing satisfactory and no oil leakage is observed. The shipping company owners were asked to replace the complete engine block by the manufacturers as per them it was not possible to execute this kind of repair.

Damaged Thread Hole Under Metal Stitching and Metal Locking

Metal Stitching of Bottom Area of Threaded Hole to Give Extra Strength

The above job was successfully executed by a team of experienced and dedicated team of RA Power Solutions.

The author is Mr. Raj Shahani Managing Director of RA Power Solutions having experience of almost four decades of working on high-capacity diesel engines, turbines and rotary equipments. The company specializes in executing the repairs i.e. metal stitching and metal locking, cold metal stitching engine block, grinding and repair of crankshafts, rebabbitting of bearings, connecting rod reconditioning, and overhauling of Engines which have serious problem resulting to the immense saving to the owners.

Cam Cover Sitting Area of Engine Block After Repair

For more on metal stitching and metal locking, metal stitching of engine block contact us today email us at rajshahani@rapowersolutions.com, info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Cast Iron Crack Repair by Metal Stitching Process | Cast Iron Metal Stitching

Cast iron crack repair by metal stitching and metal locking process is highly recommended. Metal stitching process for repairing casting is widely use, accepted in the industry, and more successful process for repairing cracks in cast iron.

Broken cast iron pieces can also be replaced by new piece of casting undertaking metal locking. This technology is as old as introduction of cast iron casting in industry.

**Insertion of Casting Piece in Engine Block**

**Metal Stitching of Jenbacher Engine Block in Process**

Metal keys and metal locks are used to undertake crack repair in cast iron casting.

Metal keys and Metal Locks are used in Metal Stitching/Locking Process

RA Power Solutions Pvt. Ltd. has a team of trained technicians who undertake metal stitching of broken, crack casting onsite and crack repair by metal stitching. Necessary tools, consumables, and a new piece of casting if required are taken to the site and crack repair is executed. There is no requirement for disassembly of the equipment or transporting it to the repair workshop, as crack repair is done onsite.

**Metal Stitching Done in Broken Area of Generator**

It is proved that repair of crack casting by metal stitching process rather enhances the strength of the area after crack repair by the metal stitching is done. We execute crack repairs onboard the vessel, power plants all over the world.

Metal Stitching Service Provider

We extend metal stitching services for the repair of cracks in Grey Cast Iron, Aluminium, and Cast Steel Components. The repair of crack and damage casting by metal stitching and metal locking is the proven method to save the crack component from rejection. These days it is very difficult to arrange for a new component which is not only expensive but is difficult to arrange due to travel restriction. The best way to reduce the cost of maintenance is to get the crack or damage in Grey Cast Iron, Aluminium, and Cast Steel components by metal stitching, metal locking, and metal surgery process. Our dedicated team of technicians with portable tools is ready 24*7 to extend these services all over the world.

We extend metal stitching services all over the world including countries like Madagascar, Oman, Qatar, Philippines, Bahrain, Srilanka, Bangladesh, Myanmar, Turkey, Nigeria, Greece, Saudi Arabia, UK, Dubai, Malta, and Cyprus.

For more information on crack repair by metal stitching, cast iron repair, cast iron stitching, repair cast iron, cast iron metal stitching services, crack repair in cast iron, and repairing cast iron metal lock contact us at rajshahani@rapowersolutions.com or info@rapowersolutions.com or call us at +91 9582647131, or +91 9810012383.

Cast iron crack repair by metal stitching and metal locking process is highly recommended. Metal stitching process for repairing casting is widely use, accepted in the industry, and more successful process for repairing cracks in cast iron. Broken cast iron pieces can also be replaced by new piece of casting undertaking metal locking. This technology … Continue reading “Cast Iron Crack Repair by Metal Stitching Process | Cast Iron Metal Stitching”