Crankshaft Machining Onsite | Crank Pin Repair | Crankshaft Repair | Leaders in Crankshaft Grinding | RA Power Solutions

It is experienced that Diesel Power Plants & Shipping companies award the repair companies job of Crankshaft Grinding, repair & overhaul of the engine without checking their credentials. This results in to the major break down & heavy losses to the clients. RA Power Solutions has experience of 40 years in this field of repair of Crankshaft, Overhauling of high capacity Diesel & major engine repair. The services extended by us are far better then the International standard and our service charges are lowest in the world.

Inspection of Crankpin Before Grinding
Inspection of Crankpin Before Grinding
Inspection of Crankshaft is in Process
Inspection of Crankshaft is in Process

 

 

 

 

 

 

 

We have 24/7 availability of technicians with necessary credentials & valid Indian CDC. They can travel to any destination in the world in short notice. We are the only company in the world which manufactures onsite crankshaft grinding equipment up to 700 mm & provide Crankshaft repair services as well. We have sold 70 onsite Crankshaft Grinding machines & have trained more than 150 technicians to undertake the repair of Crankshaft.

Grinding of Crankpin by RA Power Solutions is in Process
Grinding of Crankpin by RA Power Solutions is in Process
Grinding of Crankshaft is in Process
Grinding of Crankshaft is in Process

 

 

 

 

 

 

 

 

Stop availing the Crankshaft repair and Engine overhaul services from the local companies & avail the benefit of our experienced & low-cost services provided with the guarantee.

Portable Crankshaft Grinding & Polishing Machine by RA Power Solutions
Portable Crankshaft Grinding & Polishing Machine by RA Power Solutions

We provide all the services related to repair of Crankshaft which includes following:

I) Complete Calibration of Crankshaft diameter ranging from 30 mm to 700 mm. Inspection includes dimensional inspection of Crankpin & main journal, checking of hardness, Crack detection test with MPI, surface roughness test. Inspection report in detail on our formats are prepared and submitted to our client.

II) On-site Grinding & Polishing of Crankshaft maintaining the tolerances as mentioned in the maintenance manual of the engine manufacturer.

III) Straightening and Peening of Crankshaft.

IV) Replacement of Crankshaft in case of rejection

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 equipment. The company specializes in executing the repairs i.e. metal stitching/metal locking, grinding and repair of crankshafts, crankshaft machining, rebabbitting of bearings, connecting rod reconditioning, overhauling of Engines which have a serious problem resulting to the immense saving to the owners.

For more information, please email us on info@rapowersolutions.com or Call us on +91 – 124 – 437 8292, +91  9213604692

Crankpin After Grinding by RA Power Solutions
Crankpin After Grinding by RA Power Solutions
Damaged Crankpin Before Grinding
Damaged Crankpin Before Grinding

It is experienced that Diesel Power Plants & Shipping companies award the repair companies job of Crankshaft Grinding, repair & overhaul of the engine without checking their credentials. This results in to the major break down & heavy losses to the clients. RA Power Solutions has experience of 40 years in this field of repair … Continue reading “Crankshaft Machining Onsite | Crank Pin Repair | Crankshaft Repair | Leaders in Crankshaft Grinding | RA Power Solutions”

Crankshaft Reconditioning | Crankpin Reconditioning & Crankpin Machining by Crankshaft Grinder – RA Power Solutions

To avoid crankshaft from rejection or to reduce the minimum diameter of Crankpin and Main journal after grinding companies all over the world are approaching RA Power solutions for onsite repair of the crankshaft.

Ra Power solutions is having the expertise of successfully repairing more than 10,000 crankshafts for different applications and diameter ranging from 30 mm to 700 mm. There are companies based in Europe who had the monopoly in onsite grinding and repair of crankshaft and were charging exorbitantly. By introduction of onsite repair of the crankshaft, RA Power Solutions has bought a revolution by executing onsite crankshaft repair far better than the international standards and with the lowest price. In this time of recession when the shipping companies and large industries are passing through difficult times repair of crankshaft, maintenance and overhauling of diesel engine and all services related to engine room offered by RA Power has resulted to considerable savings for the shipping companies and heavy Engineering organizations having Diesel power plants.

Grinding of Crankpin by Crankshaft Grinding Machine is in Process
Grinding of Crankpin by Crankshaft Grinding Machine is in Process

We follow the below mentioned procedure for successful onsite repair of crankshaft:
I) Thorough cleaning of Crankshaft/Main Journal which is damaged.
II) Visual inspection of radius fillet, lubrication oil hole, surface finish, and other parameters of Crankpin and Main journal.
III) Conducting of NDT test by qualified technicians with latest instruments for crack repair, hardness test, surface finish, dimensional inspection, etc.
IV) Selection of correct onsite tooling to execute the grinding and polishing.
V) Final inspection by senior technicians of crankshaft and preparation of reports.
All the crankshaft reconditioning jobs undertaken by RA Power Solutions are guaranteed for the satisfactory performance.

Onsite Crankshaft Grinding while Vessel is on Move
Onsite Crankshaft Grinding while Vessel is on Move
Crankpin After Grinding by Onsite Crankshaft Grinder
Crankpin After Grinding by Onsite Crankshaft Grinder

 

 

 

 

 

 

 
RA Power Solutions is the only company in the world which apart from providing onsite repair services also sells onsite crankshaft grinding machine capacity ranging from 30 mm to 700 mm. More than seventy crankshaft grinder machine have been sold worldwide. Hundreds of technicians have been trained to execute successful repairs of crankshaft onsite.

Onsite Crankshaft Grinding Machine Offered by RA Power Solutions
Onsite Crankshaft Grinding Machine Offered by RA Power Solutions

To avoid crankshaft from rejection or to reduce the minimum diameter of Crankpin and Main journal after grinding companies all over the world are approaching RA Power solutions for onsite repair of the crankshaft. Ra Power solutions is having the expertise of successfully repairing more than 10,000 crankshafts for different applications and diameter ranging from … Continue reading “Crankshaft Reconditioning | Crankpin Reconditioning & Crankpin Machining by Crankshaft Grinder – RA Power Solutions”

Wartsila 6R32 Crankshaft Repair – RA Power Solutions

A continuous process industry based in western India using 2 units of Wartsila 6R32 for their power requirements reported breakdown of one of the Wartsila 6R32 diesel generating set.

Repair of Wartsila 6R32 Diesel Engine
Repair of Wartsila 6R32 Diesel Engine

RA Power Solutions team of senior technicians was deputed with portable inspection instruments and onsite crankshaft grinding and polishing machine. Following observations were reported on inspection of crankpins:

Inspection of Spare Parts of Wartsila Diesel Engine
Inspection of Spare Parts of Wartsila Diesel Engine

I) On investigation of Wartsila diesel generating sets, it was observed that it was clear case of lube oil pump failure.

II) All 6 crankpins were found damaged.

III) Inspection in detail was carried out. Gist of which is as following:

a) Crankpin no. 1 ovality of 0.76 mm. No cracks observed. Hardness within limits.

b) Crankpin no. 2 ovality of 0.54 mm. No cracks observed. Hardness within limits.

c) Crankpin no. 3 ovality of 0.26 mm. No cracks observed. Hardness within limits.

d) Crankpin no. 4 ovality of 0.49 mm. No cracks observed. Hardness within limits.

e) Crankpin no. 5 ovality of 0.29 mm. No cracks observed. Hardness within limits.

f) Crankpin no. 6 ovality of 0.62 mm. No cracks observed. Hardness within limits.

After initial inspection of crankshaft, it was decided to undertake the repair of crankshaft of Wartsila 6R32 by grinding the crankpin.

Three nos. of pins were ground undersize by 1mm and balance 3 were undersized by 0.5 mm. The taper, ovality and surface finish has been maintained far better than manufacturer’s recommendations.

The above job was executed in record time of 6 days.

For more information, please email us on info@rapowersolutions.com

Grinding of Crankpin by Crankshaft Grinding Machine
Grinding of Crankpin by Crankshaft Grinding Machine
Surface Finish Inspection after Grinding
Surface Finish Inspection after Grinding

A continuous process industry based in western India using 2 units of Wartsila 6R32 for their power requirements reported breakdown of one of the Wartsila 6R32 diesel generating set. RA Power Solutions team of senior technicians was deputed with portable inspection instruments and onsite crankshaft grinding and polishing machine. Following observations were reported on inspection … Continue reading “Wartsila 6R32 Crankshaft Repair – RA Power Solutions”

Crankshaft Repair Machine – RA Power Solutions

RA Power manufactures crankshaft repair machine which is a latest solution for repair of damaged crankpin and main journal of crankshaft onsite. The crankshaft repair machine  is available in the range from 60 mm to 700 mm which caters to almost all the capacities of engines installed on board a vessel in power plants and other applications. The crankshaft repair machine has following features:

I) The crankshaft repair machine (crankshaft grinding/crankshaft polishing machine) is developed out of our experience, extensive field applications and research.

II) Light weight portable crankshaft repair machine can be carried to any site all over the world.

III) Crankshaft repair machine is compact and is placed on crank pin from inspection window of the crankcase for grinding and polishing. There is no requirement of dismantling of the crankshaft from engine block.

IV) The crankshaft repair machine is of latest design which results to almost no vibration. The tolerances in terms of taper and ovality are controlled within 0.02 mm or as per the requirement of engine manufacturer.

V) The crankshaft grinding and polishing machine is easy to operate and understand. Training is an integrated package of this product.

VI) The machine is recommended and has proved its worth in different applications like land based engine, process industry, shipping, etc.

VII) Cost effective and perhaps this is the first revolutionary crankshaft grinding equipment which is affordable for the repair workshops,shipping companies,Power plants and repair industry.

We have supplied more than 65 crankshaft repair(Crank shaft grinding and crankshaft polishing machine all the world.

Onsite Crankshaft Grinding and Polishing Machine

Crankshaft Grinding Machine Ready for Dispatch

Crankshaft Grinding & Polishing Machine Accessories

 Grinding of Crankpin is in Process by Crankshaft Repair Machine

RA Power manufactures crankshaft repair machine which is a latest solution for repair of damaged crankpin and main journal of crankshaft onsite. The crankshaft repair machine  is available in the range from 60 mm to 700 mm which caters to almost all the capacities of engines installed on board a vessel in power plants and … Continue reading “Crankshaft Repair Machine – RA Power Solutions”

Babbitt Bearings – RA Power Solutions

Babbitt bearing having different grades of white metal is manufactured either as per the drawing or as per the sample. We can undertake the manufacturing of white metal Babbitt bearing up to diameter of 1500 mm. White metal Babbitt bearing is manufactured for various applications including rotor shaft bearing, alternator shaft bearing, engine bearing, turbine bearing, etc.

Babbitt Bearing
Babbitt Bearing

RA Power Solutions has strict quality control criteria for manufacturing of Babbitt bearings. The bonding of white metal with steel lining is checked by ultrasound. Each bearing is checked dimensionally and for porosity, etc.

Babbitt white metal bearings are manufactured by centrifugal process which ensures dense and strong bonding of white metal.

For more information, call us on +91 – 124 – 4378292 , +91 9213604692 or email us on rajshahani@rapowersolutions.cominfo@rapowersolutions.com

 

Babbitt bearing having different grades of white metal is manufactured either as per the drawing or as per the sample. We can undertake the manufacturing of white metal Babbitt bearing up to diameter of 1500 mm. White metal Babbitt bearing is manufactured for various applications including rotor shaft bearing, alternator shaft bearing, engine bearing, turbine … Continue reading “Babbitt Bearings – RA Power Solutions”

Babbitt Bearing – RA Power Solutions

Babbitt bearing has vast application in power plants, heavy machinery, diesel engines, etc. It is important that the selection of Babbitt white metal is done in  accordance with the application of the bearing, RPM of the shaft, load and various design aspects.

Alternator Bearing of Wartsila Diesel Engine
Alternator Bearing of Wartsila Diesel Engine

RA Power Solutions Pvt. Ltd. manufactures white metal Babbitt bearing having diameter up to 1500 mm. The outer steel casing material is selected according to the application. The grade of white metal is again determined by the design parameters. The Babbitt white metal is imported by us from a leading manufacturing company based in Spain. The babbitting of white metal on the steel casing is done by centrifugal system which ensures that babbitt white metal is bonded strongly with the casing. The white metal babbitting by centrifugal system is proved and widely used in the industry. The thickness of white metal is maintained as per the requirement.

RA Power Solutions Pvt. Ltd. has in house facilities to carry out various machining operation after white metal babbitting is done. The bore size is maintained within the tolerances as per the manufacturer’s requirement.

Journal Bearing of Marine Engine
Journal Bearing of Marine Engine

The rebabbitting of old bearings is also undertaken. The old Babbitt white metal is removed and steel casing is subject to inspection for presence of any crack, higher hardness, deformation of profile, etc. In case all the parameters required are within limits of the steel casing the rebabbitting of white metal is undertaken using the same grade of white metal or superior grade of babbitt white metal in order to ensure far better performance after rebabbitting of old white metal is done

We export new Babbitt bearings and also undertake rebabbitting of old bearings for the reputed companies based all over the world.

We are quality conscious and are very competitively priced with minimum delivery period.

Crankshaft Bearing Under Rebabbitting Process
Crankshaft Bearing Under Rebabbitting Process
Crankshaft White Metal Babbitt Bearing
Crankshaft White Metal Babbitt Bearing
Inspection of White Metal Bearing
Inspection of White Metal Bearing
Pedestrial Bearing for Rebabbitting
Pedestrial Bearing for Rebabbitting

 

 

Babbitt bearing has vast application in power plants, heavy machinery, diesel engines, etc. It is important that the selection of Babbitt white metal is done in  accordance with the application of the bearing, RPM of the shaft, load and various design aspects. RA Power Solutions Pvt. Ltd. manufactures white metal Babbitt bearing having diameter up … Continue reading “Babbitt Bearing – RA Power Solutions”