Turbine, Rotor and Alternator Shaft Grinding and Polishing | Onsite Turbine Shaft Grinding

Failure of bearing due to over load or accident results to development of taper and ovality on turbine, alternator, rotor shaft. In certain cases the deep bearing line marks are developed and bearing surface becomes rough. This needs to be corrected.

RA Power Solutions undertake grinding and polishing of crankshaft, rotor shaft, turbine shaft, alternator from last 4 decades. We are the leaders in extending the grinding and repair services.

The main features of turbine, alternator, rotor shaft grinding and polishing are as following:

  • Initial inspection of turbine, alternator, and rotor shaft is undertaken by experienced technicians. They carry all latest instruments to check dimensions, hardness, surface roughness, crack detection, taper and ovality. It is of great importance that proper inspection by Qualified and Experienced Engineer is conducted.
  • Latest breed of turbine, alternator, rotor shaft grinding and polishing equipment is available with us having capacity up to 700 mm diameter.
  • On site grinding and polishing equipment used by RA Power Solutions is light and compact. Easy to carry to site and can be fitted on the damaged diameter of turbine, alternator and rotor shaft. It is important as minimum disassembly of the parts is required.
Grinding & Repair of Crankshaft After Major Accident
Grinding & Repair of Crankshaft After Major Accident
  • The turbine, alternator, rotor shaft grinding equipment is capable of maintaining close tolerance even up to 20 microns with surface finish of 0.15 Ra value which is far better then the international standard.
  • All the repairs of turbine, alternator, and rotor shaft are executed with guarantee.

RA Power Solutions also manufactures white metal Babbitt bearing up to 1500 mm and rebabbitting of old bearings which get worn out or damage is done.

We have offered Onsite turbine shaft grinding services to many countries, including Bangladesh, Dubai, Singapore, Italy, the United Kingdom, South America, Ecuador, Nigeria, the Philippines, Columbia, the United Arab Emirates, and Qatar, etc.

Contact rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383 for more details on onsite turbine shaft grinding, on site crankshaft grinding, alternator shaft grinding and polishing.

Grinding of Main Journal on Board a Vessel
Grinding of Main Journal on Board a Vessel
Grinding of RotorShaft
Grinding of RotorShaft

Crankshaft Grinding Services by Experienced Technicians – RA Power Solutions

When it comes to maintaining marine engines, one vital aspect that deserves the utmost attention is the crankshaft. The crankshaft plays a crucial role in converting linear motion to rotational motion, and any wear or damage to this component can lead to a significant decrease in engine performance. However, thanks to the expertise of experienced technicians and specialized services like Crankshaft Grinding, marine engine owners can revitalize their crankshafts and restore optimal engine functionality. In this blog, we will delve into the significance of crankshaft grinding services and how they can breathe new life into your marine engines.

RA Power Solutions provides onsite crankshaft grinding services for last four decades. Crankshaft having diameter up to 700 mm is repaired onsite without removing the crankshaft from the engine block.

Repair of Crankpin
Crankshaft Grinding

The grinding of crankshaft onsite is possible by introduction of onsite crankshaft grinding machine which is portable, light weight and can be inserted from the inspection window of the engine block. RA Power Solutions also manufactures and sells crankshaft grinding machine. The crankshaft grinding services are offered by us through our technicians who are well trained in our workshop and have experience of providing crankshaft grinding services for last 30 to 35 years. After repair of crankshaft, the dimensional tolerances are maintained within 20 to 30 microns and surface finish as per the international standards.

Prior to undertaking grinding of crankshaft, all the major parameters of crankshaft i.e. dimensional inspection, hardness test, crack detection, deflection, etc. are checked.

In case the basic parameters are found within the repair limits, crankshaft grinding is undertaken. RA Power Solutions can maintain the tolerances strictly as per the manufacturer’s recommendations. With the introduction of latest design of onsite crankshaft grinding machine the vibrations in the crankshaft grinding machine are reduced to minimum. This ensures maintenance of close tolerance and also facilitates grinding of crankshaft on board a vessel while it is sailing in high seas. The grinding of crankshaft while sailing of the vessel results to the considerable saving to the owners.

Repair of Crankshaft on board a vessel

For more information on crankshaft grinding, repair of crankshaft, and onsite crankshaft grinding services please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Crankshaft Grinding and Crankshaft Repair by Experienced Technicians – RA Power Solutions

Crankshaft grinding and crankshaft repair are important for satisfactory performance of engine. RA Power Solutions Pvt. Ltd. has been undertaking crankshaft repair onsite by portable, light weight crankshaft grinding machine. The crankshaft repair is executed of crankshaft diameter ranging from 60 mm to 700 mm.

We have team of trained and dedicated technicians who are deputed to the site with crankshaft grinding machine along with necessary instruments. The crankshaft repair is undertaken without removing the crankshaft from the entablature.

Crankshaft Grinding of Wartsila Diesel Engine
Crankshaft Grinding of Wartsila Diesel Engine

The crankshaft grinding machine used to undertake crankshaft repair is of latest design having minimum vibrations. This facilitates our technicians to undertake crankshaft repair even while the vessel is sailing. The tolerance after crankshaft grinding and crankshaft repair is maintained within 10 to 20 microns in terms of taper and ovality.

The repair of crankshaft and overhauling of engine while sailing of the vessel between two ports results to the considerable saving to the ship owners as there is no need of holding the vessel at port or anchorage.

The crankshaft repair executed by us is guaranteed for the satisfactory performance. As on date we have executed more than 10,000 repair of crankshaft all over the world.

Crankshaft Grinding of MAN Diesel Engine
Crankshaft Grinding of MAN Diesel Engine

For more information on in situ crankshaft grinding machine and grinding of crankshaft please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Crankshaft Repair on Board a Vessel by Experienced Engineers – RA Power Solutions

RA Power Solutions Pvt. Ltd. can easily undertake crankshaft repair on board a vessel while it is sailing by using special equipments.

Crankshaft repair

We can undertake crankshaft repair up to the diameter of 700 mm while the vessel is sailing in high seas in anchorage or at berth. This result to considerable saving for ship repairs as no time is wasted for crankshaft repair as it does not require any anchorage or berth.

RA Power Solutions having 37 years of experience have executed more than 10,000 jobs of repair of crankshaft successfully which is a record.

Damaged Crankpin of MAN Marine Diesel Engine
Damaged Crankpin of MAN Marine Diesel Engine
Crack Detection by MPI Before Grinding
Crack Detection by MPI Before Grinding

The crankshafts which have been even rejected by the manufacturers are successfully repaired by us using various process/special equipments which we are learned from our experience. All the repair of crankshaft executed by us is guaranteed for the satisfactory performance. The tolerances as stipulated in the manual are strictly maintained.

Most of our technicians have seaman book and they can sail to any part of the world.

Crack Detection of Crank Pin
Crack Detection of Crank Pin
Crankshaft Repair Under Process
Crankshaft Repair Under Process

For more details regarding in situ crankshaft grinding, crankshaft repair on board a vessel and onsite crankshaft repair please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Insitu Grinding of Crankshaft | Crankshaft Machining Insitu

Insitu grinding of crankshaft and polishing is offered by RA Power Solutions Pvt. Ltd. for last more than 3 decades. Our experienced technicians reach a site in the minimum possible time with the In situ crankshaft grinding machine and undertake crankshaft repair without removing the crankshaft from the main engine.

Insitu Crankshaft Grinding in Process
Grinding of crankshaft
Crankshaft Grinding
Crankshaft Grinding
Onsite Crankshaft Grinding Machine Ready for Dispatch

The In situ crankshaft grinding is undertaken by a lightweight portable In situ crankshaft grinding machine which is operated pneumatically. The equipment is of the latest design and is capable to maintain a close tolerance within 20 to 30 microns in terms of taper and ovality.

Onsite crankshaft grinding can also be undertaken while the vessel is sailing. This is possible due to continuous research and development done by our engineers to minimize the vibrations while the vessel is sailing. Our technicians hold valid seamen books and can sail if required. The time required for repair that involves crank pin grinding and polishing of crankshaft is minimum due to the latest design of our crankshaft grinding equipment executed by experienced technicians.

We can undertake grinding and polishing of crankshafts up to 700 mm diameter and have executed more than 10,000 repairs in our 36 years of experience worldwide. RA Power Solutions specializes in providing top-notch crankshaft machining in situ services.

Pneumatic Motor Mounted on Machine

The author of this blog is Raj Shahani, Managing Director of RA Power Solutions Pvt. Ltd. He has been working on crankshafts for last more than 43 years. The author had his training with leading crankshaft manufacturers like CKD Skoda in Pilsener Czech Republic, Sidenor in Spain, National Forge in Germany, etc.

For more updates on in situ crankshaft grinding, on site crankshaft grinding, grinding of crankshaft, in situ crankshaft grinding repair, onsite crankshaft machining, and crankshaft machining in situ email info@rapowersolutions.com, rajshahani@rapowersolutions.com or call us at +91 9582647131 or +91 9810012383.

In Situ Crankshaft Grinding Services by RA Power Solutions

For almost 43 years, we have provided on site crankshaft grinding services, on-site crankshaft repair, crankshaft reconditioning, crankpin reconditioning, and marine crankshaft repair. Our engineers have received training in crankshaft production facilities in Europe and the United States as well as crankshaft grinding services.

It is observed that due to seizure of bearing in most of the cases, crankshaft loses its alignment and develops bend. The alignment of crankshaft is important and it is maintained at the time of machining and grinding of crankshaft.

RA Power Solutions undertakes straightening of crankshaft onsite irrespective of the length of crankshaft, diameter of CR pin and main journal. The straightening of crankshaft is done by peening procedure for which our technicians are trained. Number of jobs has been successfully executed for straightening and onsite grinding of crankshaft.

Grinding of Crankshaft by Crankshaft Grinder
Grinding of Crankshaft by Crankshaft Grinder

At RA Power, we specialize in precision Crankshaft Grinding, a critical process that restores the functionality and integrity of crankshafts for various industries, including automotive, marine, and industrial applications. Our state-of-the-art equipment and skilled technicians ensure the highest level of accuracy and surface finish, extending the life and performance of your crankshafts.

Our specialized team and advanced machinery ensure that your crankshafts are meticulously restored to their original specifications.

Grinding of Crankshaft on VBlock by Crankshaft Grinding Machine
Grinding of Crankshaft on VBlock by Crankshaft Grinding Machine
Insitu Crankshaft Grinding Machine from Crankcase Window
Insitu Crankshaft Grinding Machine from Crankcase Window

RA Power Solutions has recently supplied a crankshaft grinding machine ranging from 220 to 260 mm in Diameter to a Bangladesh-based client. This is the first onsite crankshaft grinding machine to be sold in Bangladesh.

In situ Straightening of Crankshaft is undertaken by the pining process, this in situ Crankshaft Repair saves Crankshaft from rejection. Technicians are specially trained for on-site repair of Crankshaft.

For more information on crankshaft grinding services, in situ crankshaft grinding machine, on site crankshaft grinding, crankshaft grinding machine, and insitu crankshaft polishing email us at info@rapowersolutions.com or rajshahani@rapowersolutions.com and call us at +91 9810012383,+91 9582647131.

Crankshaft Repair in Limited Engine Space – RA Power Solutions

RA Power Solutions Pvt. Ltd. have successfully executed crankshaft repair on board a vessel of Hyundai engine. The crankshaft repair companies based in Norway, Singapore, and UK were invited to execute the grinding operation on crankshaft bearings of which were seized due to lube oil pump failure. These companies were not able to execute the repairs due to non availability of compact portable tool which was required as the space available from the inspection window was less.

Hyundai Diesel Engine for Repair
Hyundai Diesel Engine for Repair

Knowing the constraints of space, RA Power Solutions Pvt. Ltd. designed and manufactured a special-purpose crankshaft grinding machine which was inserted from the inspection window, and grinding of 6 nos. pins was successfully executed. The engine is performing satisfactorily.

The repair of crankshaft on site was possible because the crankshaft grinding machine designed by RA Power solutions was compact, lightweight and was manufactured according to the size of the window and space available in the crankcase of the engine. The technicians were able to maintain the tolerance after grinding within 20 microns against the stipulated tolerance of 30 microns in the manufacturers manual.

Repair of Crankshaft in Limited Space
Repair of Crankshaft in Limited Space
Inspection for Crack Detection
Inspection for Crack Detection
CR Pin After Grinding
CR Pin After Grinding

We have successfully done more than 10,000 jobs of crankshaft repair all over the world like Qatar, Dubai, Sudan, Indonesia, Singapore, South America, Malaysia, Jordan, Kenya, Maldives, Nigeria, Iran, Iraq, Oman, etc.

For more details on crankshaft repair, crankshaft grinding and polishing machine, diesel engine repair, or onsite crankshaft grinding contact us by email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.