Crack Repair of Cast Iron by Metal Stitching/Metal Locking Process – RA Power Solutions

RA Power Solutions Pvt. Ltd. has recently undertaken cast iron repair, and crack repair of a cast iron engine block by metal stitching and metal locking process. The engine block which is made of cast iron was broken from the window cover sitting area. The engine block was broken into pieces measuring approximately 330 × 420 mm.

RA Power Solutions Pvt. Ltd. after getting the dimensions got the casting made of cast iron, and it was metal locked and metal stitched on board a vessel. The engine after repairs is performing satisfactorily.

Casting Piece Given Profile as per Damaged Engine Block

In 44 years of experience, we have executed more than 1000 jobs of crack repair by metal stitching and metal lock surgery not only for shipping but for all sectors of industry. Perhaps we are the only company in the world to execute crack repair of engine components or any crack in metal on board a vessel while sailing.

Metal stitching and metal locking process on board the vessel:

Keys and Locks Used in Metal Locking and Metal Stitching Process

Metal Stitching Under Progress on Board the Vessels

RA Power Solutions specializes in comprehensive cast iron block repair and iron engine block repair services, offering effective solutions for both minor and major cracks in cast iron castings.

The author is Mr. Raj Shahani, Managing Director of the company. He is having 37 years of experience in metal stitching and metal locking of crack repair, cast iron crack repair, grinding of crankshaft, and all services related to the repair of engines and supporting equipment.

The company has in-house trained technicians, and equipment and serves all over the world. For more information regarding repair cast iron, repair crack cast iron, or cast iron repair, contact us at rajshahani@rapowersolutions.com or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Casting Piece Stitched in Broken Area of Engine Block

Metal Stitching and Metal Locking Under Progress

Final finish given to Damaged Area of Engine Block — The final finish is given to the Damaged Area of the Engine Block

Crack Repair by Metal Surgery – RA Power Solutions

RA Power Solutions Pvt. Ltd. was called by a leading forging company based in western part of India manufacturing open forgings for heavy engineering plants. One of the operation involved use of clear space pneumatic hammer which they imported from massey of UK.

Due to constant use of forging hammer and its age the pneumatic chamber of the hammer developed a crack measuring 69 inches. The whole plant due to non operation of this critical equipment was on stand still. The pneumatic chamber is manufactured out of grey cast iron. The company tried to repair the crack by welding process and engaged a leading company to execute the repairs. The crack repair of the cast iron pneumatic chamber was not successful. RA Power Solutions Pvt. Ltd. was called to repair the crack by metal surgery process.

**Materials Used in Metal Stitching/Metal Locking Process**

Metal Surgery

RA Power Solutions Pvt. Ltd. initially carried out magnetic particle test (MPI) and dye penetrant test of cast iron pneumatic chamber to check the exact length and the profile of the crack developed. The paint including red oxide applied on the cast iron pneumatic chamber was removed completely. The crack of 69 inches was repaired by our technicians by metal stitching and metal locking process.

The keys, master metal locks and all consumables used for metal surgery were imported from UK. After the completion of metal stitching and metal locking operations, the chemicals were applied to stop the air leakage from the pneumatic chamber.

**Metal Stitching/Metal Locking Procedure**

This process of metal surgery followed by us for repair of crack in cast iron is cold process, no heat is generated and is proven method for successful repair of crack in cast iron casting.

We have more than 37 years of experience of executing crack repair in cast iron by metal surgery, crack repair in grey cast iron, crack repair in cast iron and have experienced technicians available to execute the crack repair onsite in minimum time and cost.

Contact us at rajshahani@rapowersolutions.com or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383 for more information.

Metal Locking of Steel Casting – RA Power Solutions

RA Power Solutions has undertaken onsite repair of engine blocks, compressors, and rotary equipment for the last 44 years. We feel that the repair crack developed in cast iron, and steel castings are repaired successfully by metal locking and metal stitching process without losing the original profile.

**Insertion of Casting Piece into Engine Block Area**

RA Power Solutions has executed successfully more than 600 jobs for the repair of housings that are damaged due to the development of cracks or casting broken into pieces. The advantage of metal locking and metal stitching is that in case a large area of casting is damaged, a new piece having similar metallurgical properties is cast and metal stitched on the parent body of the casting.

**Metal Stitching/Metal Locking of Jenbacher Engine Block Under Process**

Recently, we have undertaken repair of the Jenbacher engine block. The casting of the engine block i.e. lower crankcase was broken into pieces, and a new piece measuring 10 × 12 inches was metal stitched successfully. We use proven and high-quality metal keys and metal locks and stand guarantee for the performance.

**Metal Stitching of Jenbacher Engine Block**

**Engine Block After Completing Metal Locking Process**

The author of this blog is Raj Shahani, Managing Director of RA Power Solutions Pvt. Ltd. having experience of more than 44 years. He is instrumental in executing the successful repair of crankshaft, engine block, cylinder heads, connecting rods, and mechanical equipment replacement costs which works out to millions of dollars. The reputed companies spread all over the world regularly benefit from the rich experience of RA Power Solutions having the excellent latest infrastructure required for repairs.

To know more about the repair of cracks in cast iron casting, repair cast iron, cast iron repair, metal stitching service provider, metal locking, and cast iron crack repair email us at rajshahani@rapowersolutions.com or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.