Crankshaft Grinding by Pneumatic Grinding Machine

Onsite crankshaft grinding is the latest trend in shipping industry. Removing crankshaft from the engine block involves dis assembly of all major parts which require time, efforts and money. The best solution for this is to undertake crankshaft grinding and crankshaft polishing onsite without dis assembly of the crankshaft from the engine block.

Pneumatic Crankshaft Grinding Machine
Pneumatic Crankshaft Grinding Machine

The onsite grinding is undertaken by inserting the onsite crankshaft grinding machine from the inspection window.

Pneumatic Crankshaft Grinding Machine for Small Diameter
Pneumatic Crankshaft Grinding Machine for Small Diameter

RA Power Solutions undertake onsite crankshaft grinding and onsite crankshaft polishing and repairs up to 700 mm diameter.

We have team of experience technicians, they travel all over the world with portable and light weight equipment. It is now possible to execute the crankshaft repair in few hours depending on the diameter and extent of the damage of crankshaft.

RA Power Solutions has executed repairs of more than 10,000 crankshaft all over the world for leading shipping companies, power plants, heavy engineering companies, etc.

We are respected in industry for quality, sincerity and low price.

Crankshaft Grinding by Pneumatic Grinding Machine
Crankshaft Grinding by Pneumatic Grinding Machine
Crankshaft Grinding & Repair by Grinding Machine is in Process
Crankshaft Grinding & Repair by Grinding Machine is in Process

Repair Services Offered by RA Power Solutions Pvt. Ltd.

Ra Power Solutions Pvt. Ltd. extends repair services for main and auxiliary engines, high capacity compressors, pumps and rotating equipments.

Repair Services for Main and Auxiliary Engines
Repair Services for Main and Auxiliary Engines

We have latest design portable equipments which are carried to the client’s site whether they are land based power plants or vessel on move. The services are offered through trained technicians. Being an Indian company having more than 36 years of experience, we are well known for sincerity, on time services and lowest price in this industry. Few of the services offered by us are as under:

Metal Locking and Metal Stitching

Metal locking and metal stitching is a cold process for repair of steel casting which develops crack or gets broken in to pieces due to overload, stress or an accident.

RA Power Solutions Pvt. Ltd. has experience of more than 36 years of  undertaking repair of most complexed accidental damage of plant and machinery, high capacity marine engine, diesel generating sets, engine block, cylinder heads,turbine casing etc. the repair of casting by metal stitching and metal locking is executed by trained and experienced engineers having experience of more than 40 to 45 years.

Repair crack and broken casting by metal stitching process
Repair Crack and Broken Casting by Metal Stitching Process
Broken Engine Block of Yanmar Engine
Broken Engine Block of Yanmar Engine
Assembly of Broken Pieces of Engine Block
Assembly of Broken Pieces of Engine Block

 

 

 

 

 

 

Engine Block Ready After Metal Stitching Process
Engine Block Ready After Metal Stitching Process
Engine Block Ready After Metal Locking Process
Engine Block Ready After Metal Locking Process

 

 

 

 

 

 

 

The consumables like metal locks and metal keys are procured from reputed companies based in USA and UK. We are cost effective and can depute our team of technicians within 6 hours notice.

Material Used in Metal Locking and Metal Stitching Process
Material Used in Metal Locking and Metal Stitching Process

We are experts for repair of crankshaft of high capacity marine engines upto 700 mm diameter, diesel generating sets and other applications. The services are extended all over the world through our experienced technicians.

Rotor Shaft Grinding

In case of failure of white metal rotor shaft bearing it is necessary to inspect the rotor shaft bearing sitting diameter. We undertake complete inspection of rotor shaft, grinding and polishing onsite. The rotor shaft repair, grinding and polishing is done without dismantling of the rotor shaft from casing. The rotor shaft grinding and polishing is done onsite.

Rotor shaft white metal Babbitt bearings are manufactured and rebabbitting of old rotor shaft bearings is also undertaken. We stand guarantee for the satisfactory performance of white metal babbitt bearings.

Onsite Rotor Shaft Grinding
Onsite Rotor Shaft Grinding
Rotor Shaft Grinding in Process
Rotor Shaft Grinding in Process

 

 

 

 

 

 

Connecting Rod Repair

Connecting rod repair is undertaken with guarantee, absolutely no need of replacing the connecting rod as in most of the cases connecting rods can be repaired and re used.

RA Power Solutions Pvt. Ltd. undertakes in-house repair of connecting rods including re-boring of big end and small end, checking of hardness, cracks, etc.

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

We supply second hand reconditioned connecting

Liner, Piston, Connecting Rod, Cylinder Head Under Assembly Supplied by RA Power Solutions
Liner, Piston, Connecting Rod, Cylinder Head Under Assembly Supplied by RA Power Solutions

rods for all make and model of diesel engines 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.

 

Connecting Rod of MAN engine
Connecting Rod of MAN engine
Reconditioning of Connecting Rod
Reconditioning of Connecting Rod

 

 

 

 

 

 

Cylinder Heads

Cylinder Heads are reconditioned at our works. We replace valve seats, valve guides and recondition the cylinder heads which are ready for installation. Repair of cylinder heads is undertaken by our experienced technicians in-house.

The repair of cracks on cylinder heads is done by metal stitching and metal locking process which is cold and proven method of crack repair. Second hand reconditioned cylinder heads are also supplied with guarantee on competitive price.

Cylinder Head of Marine Diesel Engine
Cylinder Head of Marine Diesel Engine
Cylinder Head
Cylinder Head

 

 

 

 

 

Rebabbitting of Bearings

Rebabbitting of old white metal bearings of diesel engines, turbines, alternators and all application are undertaken. Rebabbitting of white metal bearings is done by centrifugal process which ensures dense and uniform bonding with the base steel.

We undertake rebabbitting of bearings up to 1500 mm diameter. The white metal used for rebabbitting is imported from Spain. The metallurgical certificate for white metal and dimensional inspection report is submitted after rebabbitting of white metal is done.

Crankshaft White Metal Babbitt Bearing
Crankshaft White Metal Babbitt Bearing
Crankshaft Bearings
Crankshaft Bearings

Turbine Shaft Repair

Repair of Turbine Shaft
Repair of Turbine Shaft

The periodic inspection of turbine shaft is necessary. It is common to observe bearing line marks, corrosion, fatigue cracks, taper and ovality on turbine shaft bearing seating area In case these defects are not attended on time it can result to the failure of turbine shaft and damage to other parts.

RA Power Solutions Pvt. Ltd. has successfully executed repair of turbine shafts, crank shaft, rotor shaft, alternator shaft and pump shaft number exceeding 170 up to the diameter of 700 mm.

Special pneumatically driven grinding equipment is used to undertake the grinding of the turbine shaft. The turbine shaft grinding equipment is portable, light weighted and easy to carry to the site. The experienced engineers undertake the grinding of damaged bearing seating area of the turbine shaft and maintain the tolerances within 20-30 microns with high surface finish.