Category: Metal Locking

The repair of crack in heavy components of cast iron, aluminium, bronze is recommended to be executed by metal stitching and metal locking process.

Overhauling of Main Engine Repair | Repair of Engine Metal Stitching of Damaged Block

RA Power Solutions received an emergency call from a Steel Company based in Indonesia regarding damage of their Engine SULZER 6RND68.

On arrival of our team of engineers, it was observed that lower engine block of SULZER 6RND68 was damaged badly. Hence it required disassembly of complete engine, overhauling and repair of engine block by metal stitching & metal locking.

Damaged Engine Block
Damaged Engine Block

Following is the brief of job description executed:

  • Inspection and overhaul of the cylinder covers including the fuel and starting valves located in the covers. The cylinder covers cooling spaces were also inspected, cleaned and fitted back with new O-rings.
  • Dismount, Inspect and overhaul the exhaust valves, renewed the seals and grinding the valve spindles.
  • The cylinder liners were cleaned, calibrated and honed in order to restore the liners running surfaces and remove ovality. This ensured that the piston rings perform better and this will lead to a better overall cylinder condition, compared to if honing had not been done. The cylinder liners cooling spaces were also inspected, cleaned and fitted back with new o-rings.
  • Replacement of thrust block pads and correction of end play.
  • Metal locking of damaged Engine block by our technicians.
Special Keys & Locks Used in Metal Stitching Process
Special Keys & Locks Used in Metal Stitching Process
Repair of Engine Block by Metal Stitching is in Process
Repair of Engine Block by Metal Stitching is in Process
  • Inspected and adjusted the chain drive.
  • Retightened the stay-bolts, holding down bolts end chocks.
  • Took bearing clearances with a telescopic feeler gauge and checked bearing edges by wire gauges.
  • Crankshaft alignment measurement was taken with dial gauge (autolog method)
    Conclusion: The engine was tested on full load for 72 hours & all the parameter were recorded. The engine is performing satisfactorily.
Repair & Overhauling of Engine is in Process
Repair & Overhauling of Engine is in Process
Inspection of Engine Spare Parts is in Process
Inspection of Engine Spare Parts is in Process

For more details regarding Metal Stitching of Damaged Block, overhauling of engine, repair of engine metal stitching of damaged block, crankshaft grinding, and engine block repair please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Metal Locking and Metal Stitching Process- RA Power Solutions

Metal locking and metal stitching is a process of repair of cast metals having different metallurgy without the necessity of wielding. Metal locking and metal stitching is a cold and proven method of repair of cast iron and cast steel components.

The advantage of crack repair and broken casting by metal locking and metal stitching is that it can be carried out at the site anywhere and it even does not require dismantling of the equipment in most of the cases this results to considerable saving of time and money. Crack and broken casting repair by metal stitching and metal locking is proven and is old method for crack repair it is widely used for heavy-duty plant and equipment, ship engine, heavy-duty forging presses, etc.

Metal Stitching of JIBB Plate of 225 Ton
Metal Stitching of JIBB Plate of 225 Ton

We regularly execute crack repair by metal locking and metal stitching of following parts:

Engine Block, Cylinder Head, Generators, Turbo Chargers, Turbine Casing, Gear Box Housing, Pump Casings, Compressor Crank Cases, Forgings Hammer, Lathe / Press/ Milling/Boaring, etc .M/c. all Cast equipment etc.

RA Power Solutions is a leading provider of metal locking services. We have a team of experienced engineers and technicians who are skilled in using this technique to repair a wide variety of castings. We have a proven track record of success, and we are confident that we can provide you with a high-quality repair that will meet your needs.

If you have any questions about metal locking and metal stitching services please contact RA Power Solutions. We would be happy to answer your questions and discuss your specific needs.

Repair by Metal Stitching Process

For more information on cold metal lock stitching, metal stitching service provider, metal stitching cast iron, crack repair by metal stitching, metal locking, and metal stitching of engine block email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.