Crankshaft Reconditioning | Crankshaft Machining | Crankshaft Repair | Crankshaft Grinding

RA Power Solutions is having more than forty years of experience in reconditioning of Crankshaft of large marine engines and engines installed in Power plants.

Diesel Engine Ready for Grinding & Repair
Diesel Engine Ready for Grinding & Repair

The onsite crankshaft repair and grinding is undertaken by RA Power Solutions experienced technicians for diameter ranging from 30 mm to 700 mm which cover almost all the crankshafts used for different applications. It is generally observed that due to non-experience or lack of knowledge of the companies undertaking reconditioning of Crankshaft misguide the end users resulting to serious breakdown and considerable higher expense.

Onsite Grinding of Crankpin by RA Power Solutions
Onsite Grinding of Crankpin by RA Power Solutions

RA Power Solutions has undertaken reconditioning of Crankshaft exceeding ten thousand numbers and recommends following situation for reconditioning of the Crankshaft.

Recommendation for reconditioning of Crankshaft:

Crankpin Before Grinding
Crankpin Before Grinding

I.) It is recommended to undertake Crankshaft repair in case taper and ovality exceeds the limit specified in Maintenance manual of engine manufacturer.
II. )  In case due to accident, deep line marks or depression is developed.
III. ) Reconditioning of Crankshaft is recommended in case higher hardness is observed due to seizer of bearings or any other reason.
IV.) Development of surface crack
V.) Loss of alignment.
VI.) In certain cases, although the dimensions of CR Pin and Main Journal are observed within the limit, but due to rough surface observed on Cr Pin and of Main Journal, surface require polishing.

Above suggestions are given for reconditioning of Crankshaft. It is always advisable to send photographs and brief Inspection report to RA Power Solutions for free recommendation as how to repair Crankshaft successfully.

For more information, please email us on info@rapowersolutions.com or call us on +91-9582647131

Crankpin After Onsite Grinding & Repair
Crankpin After Onsite Grinding & Repair
Grinding of Crankpin by Onsite Crankshaft Grinding Machine
Grinding of Crankpin by Onsite Crankshaft Grinding Machine

Crankshaft Grinding Machine | Crankshaft Grinder| Global Onsite Repairs– RA Power Solutions

Engine population is rapidly increasing for shipping industry, power plants and various applications. In most of the cases engines are used not only for the emergency purpose but as a base load. The continuous running of diesel engine results to wear and tear of crankpin and main journal of the crankshaft. In certain cases taper and ovality more than the permissible limit is developed in the crankpin and the crankshaft main journal.

Damaged Crankpin of Engine
Damaged Crankpin of Engine
Inspection of Engine Before Grinding
Inspection of Engine Before Grinding

 

 

 

 

 

 

 

The disassembly of the crankshaft from the main engine and to send it to the designated workshop is a lengthy process. This is now outdated. RA Power Solutions having the experience of more than four decades in repair of crankshaft have developed a portable, light weight onsite crankshaft grinding machine which can be taken to the site as an accompanying baggage. The onsite crankshaft grinding machine has following features:

 I) Light in weight, can be carried to the site easily.

II) Portable nature of onsite crankshaft grinding machine facilitates it to insert from the inspection window and undertake grinding and polishing of crankpin.

III) Machine is designed and can maintain the taper and ovality within 0.02 mm. This meets with the OEMs tolerances.

IV) Surface finish and other parameters can be maintained as per the international norms.

V) Onsite crankshaft grinding machine is easy to operate

VI) Onsite training is provided for smooth running of crankshaft grinding machine.

VII) More than 70 machines sold all over the world and performing satisfactory.

VIII) Insitu crankshaft grinding machines are low priced and recommend for repair workshops, shipping and engineering companies and power plants.

Inspection of Connecting Rod on Board a Vessel
Inspection of Connecting Rod on Board a Vessel
Inspection of Engine is in Process
Inspection of Engine is in Process

 

 

 

 

 

 

 

Crankshaft grinding machines exported to various countries including Dubai, Singapore, Bangladesh, Indonesia, Greece, Qatar, Nigeria, South America, etc.

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

Grinding of Crankpin is in Process
Grinding of Crankpin is in Process
Crankpin After Grinding
Crankpin After Grinding

Onsite Crankpin Grinding- Large and Small Engine Repairs

RA Power Solutions is engaged in onsite crankshaft grinding, crankshaft machining and crankshaft repair of small and high capacity engines. The crankshafts and all cylindrical shafts of rotatory equipment are repaired onsite without disassembly.

Onsite Crankshaft Grinding While Vessel is on Move
Onsite Crankshaft Grinding While Vessel is on Move

Following are the main features of the services offered related to crankshaft repair:

I) Experience technicians undertake crankshaft inspection which includes dimensional calibration for taper, ovality and hardness testing.

II) In case of failure of bearing or serious damage, it is important to undertake crack check. We recommend magnetic particle inspection and dye penetrant.

III) Checking  loss of alignment of crankshaft by deflection gauge or taking the run-out of the main journal.

IV) Straightening of crankshaft is undertaken if required.

V) Radius fillet original profile is maintained in case of damage.

VI) Onsite crankshaft grinding, crankshaft repair is undertaken by using

Onsite Crankshaft Grinding Machine
Onsite Crankshaft Grinding Machine

crankshaft grinding equipment maintaining the crankpin and main journal tolerances as per manufacturers.

VII) Surface finish after crankshaft grinding and polishing is of great importance and is maintained.

Main points related to crankshaft repair services offered by RA Power Solutions:

I) Company having 40 years of experience in repair of crankshaft can easily detect the damage caused to the crankshaft due to accident.

II) We are experts in salvaging the crankshafts which as per the manufacturers are rejected. This is possible due to our vast experience,knowledge and use of latest technological equipment.

III) Large team of experienced technicians having valid passport and seaman book and  can travel all over the world in shortest possible notice.

IV) In field of crankshaft repair we are the leaders, most experienced, sincere and trust able.

V) The services provided is on the lowest rates and can be compared with other companies.

VI) Only company having executed more than 11,000 jobs of crankshaft repair and engine overhaul maintenance worldwide.

VII) All the repair services related to high capacity diesel generating sets is offered with guarantee.

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

Only company in the world manufacturing onsite crankshaft grinding machine and onsite polishing machine and have sold more than 70 units all over the world.

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

Crankshaft Repair Services India by RA Power Solutions

Crankshaft needs repair or grinding in case of following defects:

  • Development of excessive taper and ovality more than the tolerances stipulated.
  • Loss of alignment of crankshaft.
  • Seizure of bearing, development of line marks.
  • Development of pitting and rough surface of crankshaft main journal and crankpin

RA Power Solutions offer crankshaft repair services for last four decades to the land based engine and engines installed on vessels.

Crankshaft Repair Services While Vessel is Sailing
Crankshaft Repair Services While Vessel is Sailing
Crankshaft Grinding Services- Power Plant
Crankshaft Grinding Services- Power Plant

 

 

 

 

 

 

 

The onsite repair services of crankshaft helps in getting the engine back into operation in minimum time. Following crankshaft grinding services are offered by RA Power Solutions at Sea, on land or in shipyard:

  • Onsite Crankshaft Repair
  • Crankshaft Straightening
  • Onsite Crankshaft journal repair
  • Crankshaft Regrinding
  • Onsite Crankshaft polishing
  • Onsite Main bearing Regrinding
  • Onsite Crankshaft machining
  • Orbital crankpin machining/regrinding
  • Main bearing machining
  • Insitu Main bearing Main Journal Polishing

RA Power Solutions has technicians who are well trained and have executed successfully more than 11,000 jobs of crankshaft repair. We are also considered to be lowest priced in industry.

Crankshaft Grinding being done on a Small Crankpin Width
Crankshaft Grinding being done on a Small Crankpin Width
Crankpin After Grinding by Crankshaft Grinding Machine
Crankpin After Grinding by Crankshaft Grinding Machine

 

 

 

 

 

 

 

For any services related to crankshaft grinding, crankshaft repair, crankpin polishing or diesel engine repair, please free to write us on info@rapowersolutions.com

Crankshaft Grinding, Crankshaft Polishing and Crankshaft Repair Machine

RA Power Solutions is the first company to introduce portable, light weight, onsite crankshaft grinding, crankshaft polishing and crankshaft repair machine on the lowest price.

With the introduction of revolutionary onsite crankshaft grinding machine, now it is possible to save the repair cost of crankshaft. The onsite crankshaft grinding repair machine has proven its worth with 70 clients based all over the world.

Onsite Crankshaft Grinding Polishing Machine having following features:

I) Onsite Crankshaft Grinding Polishing machine can undertake crankshaft grinding and crankshaft polishing up to 700 mm diameter without dismantling of crankshaft.

Crankshaft Grinding Machine Packed in Steel Box for Dispatch
Crankshaft Grinding Machine Packed in Steel Box for Dispatch

In terms of taper and ovality tolerance can be maintained within 20 to 30 microns or as per the manufacturer’s requirement.

II) For long life of bearings and crankshaft it is important to have high level of surface finish with Onsite Crankshaft Grinding Polishing Machine it is possible to maintain surface finish 0.15 RA value.

III) Onsite Crankshaft Grinding Polishing Machine is easy to operate and on job training is also provided.
IV) Onsite Crankshaft Grinding Polishing Machine can be carried as a accompanied baggage by the technicians all over the world.

V) Onsite Crankshaft Grinding Polishing Machine is ideal for grinding and polishing of main engine and auxiliary engine on board the vessel. All popular make of engine crankshaft can be repaired like MAK, MAN, Wartsila, Daihatsu, Ruston, Yanmar, Mirrless Blackstone, SKODA, etc.

VI) Onsite Crankshaft Grinding Polishing Machine supplied all over the world including Nigeria, Dubai, Singapore, South America, Italy, Maldives, Indonesia, Bangladesh, etc.

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

Grinding of Crankpin by Crankshaft Grinding Machine is in Process
Grinding of Crankpin by Crankshaft Grinding Machine is in Process
Crankshaft Grinding Machine for High Diameter
Crankshaft Grinding Machine for High Diameter

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

Grinding of Rotor Shaft by Rotor Shaft Grinder

Grinding of rotor shaft is required due to wear and tear of the rotor shaft diameter, damage of rotor shaft bearing sitting area or due to failure of bearing.

Rotor Shaft Grinding Machine
                                 Rotor Shaft Grinding Machine

RA Power Solutions undertakes onsite grinding and polishing of rotor shaft having diameter up to 700 mm. The initial inspection of rotor shaft is conducted by experienced technicians which includes crack detection by MPI, hardness test and dimensional inspection.

Rotor Shaft Grinder
Rotor Shaft Grinder

Onsite grinding of rotor shaft is done by a latest design of rotor shaft grinding machine developed and manufactured by RA Power solutions. The rotor shaft grinding machine has almost zero vibration which helps to maintain the tolerance of rotor shaft bearing sitting area up to 20 microns.

RA Power Solutions Pvt. Ltd. has executed successfully more than one thousand jobs of grinding of rotor shaft, crankshaft and rotating equipment.

 

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

 

 

 

 

Onsite Rotor Shaft Grinding Machine
Onsite Rotor Shaft Grinding Machine
Insitu Rotor Shaft Grinding Machine
Insitu Rotor Shaft Grinding Machine