Crankshaft Repair While Sailing

Crankshaft repair by grinding and polishing is now possible while vessel is on move. RA Power Solutions Pvt. Ltd. is the first company to offer crankshaft repair services while vessel is sailing by onsite portable crankshaft grinding equipment which is taken on board the vessel. The crankshaft repair is undertaken by vibration free crankshaft grinding machine without removing the crankshaft from the engine block thus saving time and cost.

MAN B&W STX 6L23/30H
MAN B&W STX 6L23/30H

RA Power Solutions Pvt. Ltd. undertakes onsite crankshaft grinding and polishing on board the vessel while sailing up to 700 mm diameter.

RA Power Solutions Pvt. Ltd. has recently undertaken grinding of all 6 CR pins of MAN B&W STX 6L23/30H while sailing of vessel between ports of Malaysia and Indonesia. The crankpins were damaged due to lack of lubrication oil and all the pins were undersized by 0.5 mm. The tolerances after grinding and polishing have been maintained as per the manufacturer’s requirements.

Repair of Crankshaft in Engine Block
Repair of Crankshaft in Engine Block

RA Power Solutions Pvt. Ltd. has designed vibration free onsite crankshaft grinding and crankshaft polishing equipment by which it is possible to execute crankshaft repair while ship is on move. This saves the time and keeps vessel moving.

Crack repair of engine block, cylinder heads, casing and all broken castings on board a vessel is possible while sailing. We are the first company to introduce these services.

Crankpin Under Test to Check Crack
Crankpin Under Test to Check Crack
Dye Penetrant Test of Crankpin
Dye Penetrant Test of Crankpin

 

Onsite Crankshaft Grinding Machine from Engine Block
Crankshaft Grinding While Sailing
Crankpin Under Grinding Process
Crankpin Under Grinding Process

 

 

 

 

 

 

Crankpin Ready After Grinding and Polishing
Crankpin Ready After Grinding and Polishing

 

 

 

 

 

 

Crankshaft Polishing in Process by Crankshaft Polishing Machine
Crankshaft Polishing in Process by Crankshaft Polishing Machine

Crankshaft repair by grinding and polishing is now possible while vessel is on move. RA Power Solutions Pvt. Ltd. is the first company to offer crankshaft repair services while vessel is sailing by onsite portable crankshaft grinding equipment which is taken on board the vessel. The crankshaft repair is undertaken by vibration free crankshaft grinding … Continue reading “Crankshaft Repair While Sailing”

Cast Iron Crack Repair by Metal Stitching Process

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
Insertion of Casting Piece in Engine Block
Metal Stitching of Jenbacher Engine Block in Process
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
  Metal keys and Metal Locks used in Metal Stitching/Locking Process

RA Power solutions Pvt. Ltd. has team of trained technicians who undertake metal stitching of broken and crack casting onsite. Necessary tools, consumables and 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
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 on board the vessel, power plants all over the world.

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”

Connecting Rod Reconditioning

High capacity diesel engines running continuously require periodic check of connecting rods. It is commonly observed that big end of connecting rods develops taper and ovality due to continuous operation of engines. Small end bushes also need replacement.

Connecting Rod Assembled with Piston After Repair
Connecting Rod Assembled with Piston After Repair
Connecting Rods
Connecting Rods

 

 

 

 

Connecting rod bolts are under heavy stress and are required to be inspected periodically for their elongation and in some cases also develop cracks which can prove to be dangerous for the engine. RA Power Solutions Pvt. Ltd. strongly recommends replacing connecting rod bolts after running hours as specified in manufacturers manual.

RA Power Solutions undertakes connecting rod repairs. The big end taper and ovality is corrected and small end bush is changed with the new one. The repair of connecting rod saves the replacement cost which is very high.

Reconditioning of Connecting Rod
Reconditioning of Connecting Rod
Mirrlees Blackstone k Major Connecting Rod
Mirrlees Blackstone k Major Connecting Rod

 

 

 

 

 

RA Power Solutions Pvt. Ltd. undertakes connecting rod repair with guarantee and have executed repair of connecting rods of leading manufacturers of engine.

High capacity diesel engines running continuously require periodic check of connecting rods. It is commonly observed that big end of connecting rods develops taper and ovality due to continuous operation of engines. Small end bushes also need replacement.         Connecting rod bolts are under heavy stress and are required to be inspected … Continue reading “Connecting Rod Reconditioning”

Connecting Rod Inspection

It is very important that connecting rods are inspected periodically. The process of inspection includes following:

  • Connecting rods are required to be cleaned properly.
  • Crack detection is undertaken preferably by Magnetic particle inspection (MPI). Attention has to be paid on joining surface/serration of the connecting rods.
  • Bore size big end and small end is checked.
  • Straightness of Connecting Rods: In case any deviation is observed in connecting rod, RA Power Solutions Pvt. Ltd. undertakes repairs onsite or in our workshop. All the repair of connecting rods undertaken is guaranteed and calibrations certificate is provided.

It is very important that connecting rods are inspected periodically. The process of inspection includes following: Connecting rods are required to be cleaned properly. Crack detection is undertaken preferably by Magnetic particle inspection (MPI). Attention has to be paid on joining surface/serration of the connecting rods. Bore size big end and small end is checked. … Continue reading “Connecting Rod Inspection”

Connecting Rods

RA Power Solutions Pvt. Ltd. is a leading exporter of connecting rods for popular make of Diesel engines. The connecting rods of engine like MAN-B&W, Sulzer, Wartsila, Mak, Deutz, Pielstick, Mitsubishi, Daihatsu, Yanmar, Bergen, Niigata, Himsen, Allen, Stork, Fiat, MWM, Hanshin, Caterpillar, SKL, Ruston, Paxman, Crepelle, Mirrlees, Alco, ABC, Crepelle, Nohab etc. are regularly exported. The used connecting rods are procured from ship breaking yards of diesel generating sets which are not in operation.

The connecting rods are subject to inspection at our works which is equipped with latest generation of equipments required for repair of connecting rods. All the connecting rods are subject to crack detection by Dye Penetrant Test and Magnetic Particle Inspection (MPI).

The big end and small end are corrected on a DRDO equipped boring machine and straightness of connecting rods after final inspection is exported all over the world duly packed with performance guarantee.

The connecting rods supplied by RA Power Solutions Pvt. Ltd. is work out to be 1/3rd cost of the new connecting rods.

RA Power Solutions Pvt. Ltd. is a leading exporter of connecting rods for popular make of Diesel engines. The connecting rods of engine like MAN-B&W, Sulzer, Wartsila, Mak, Deutz, Pielstick, Mitsubishi, Daihatsu, Yanmar, Bergen, Niigata, Himsen, Allen, Stork, Fiat, MWM, Hanshin, Caterpillar, SKL, Ruston, Paxman, Crepelle, Mirrlees, Alco, ABC, Crepelle, Nohab etc. are regularly exported. … Continue reading “Connecting Rods”