Crankshaft Grinding Machine- Mobile Machining of Crankshaft

In case of failure of crankshaft or bearing on a vessel/stationary power plant it results to extremely high cost for repairs and with long downtime. RA Power Solutions manufactures and exports onsite and insitu crankshaft grinding, crankshaft machining equipment which saves considerable cost of repair and save time as disassembly of the crankshaft and transport to the workshop is not required.

Portable Crankshaft Grinding Machine
Portable Crankshaft Grinding Machine
The insitu crankshaft grinding machine performs and delivers the same quality standards which are achieved by old designed, conventional bench type crankshaft grinding machine.

Advantage of using RA Power Solutions onsite crankshaft grinding machine and mobile machine:

I) Company having more than 40 years of experience in grinding and repair of crankshafts of high capacity marine and industrial engines and understands the importance of maintaining tolerances as per OEMs.

II) It is a highly advanced technology grinding machine which is designed to take the stress while machining and polishing of crankshaft, crankpin and main journal.

III) Crankshaft Grinding Machine is light weight and compact and can be easily taken to the site all over the world as accompanied baggage.

Crankshaft Grinding Machine Packed For Dispatch
Crankshaft Grinding Machine Packed For Dispatch
Crankshaft Grinding Machine Accessories Packed for Dispatch
Crankshaft Grinding Machine Accessories Packed for Dispatch

IV) Customized tooling adapting to all makes of engine and models. Machine available in the range of 60 mm to 700 mm.

V) Onsite grinding of crankpin and main journal is possible with this grinding tool.
VI) Onsite Crankshaft Machine is easy to operate and training is provided.

VII) Machine body is made from titanium which results to the minimum vibration while in operation. Machine can be used on vessel while sailing.

The company has sold more than 70 machines all over the world. It is highly recommended for repair workshops, power plants, shipping and engineering companies.

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

Grinding of Crankshaft on a Moving Vessel
Grinding of Crankshaft on a Moving Vessel
Grinding of Crankshaft in a Power Plant by Crankshaft Grinder
Grinding of Crankshaft in a Power Plant by Crankshaft Grinder
Grinding of Crankshaft on VBlock by Crankshaft Grinding Machine
Grinding of Crankshaft on VBlock by Crankshaft Grinding Machine

Crankpin Grinding | Crankpin Repair – Get it Executed by Experts

Crankshaft is the heart of every engine. It is estimated that the cost of crankshaft is almost 30 to 35% of the total cost of engine. RA Power Solutions considers and treats every crankshaft with the greatest attention. The inexpertly ground crankshaft can lead to the failure of bearing and crankshaft in totality causing considerable damage and loses to the owners.

Onsite Crankpin Grinding and Crankpin Polishing
Onsite Crankpin Grinding and Crankpin Polishing

RA Power Solutions undertakes onsite crankpin grinding and crankpin polishing in one setting. The portable, light weight onsite crankshaft grinding machine is taken to the site. The crankshaft grinding machine is designed in such a way that it can undertake the crankshaft machining, crankshaft grinding and crankshaft polishing in one setting.

The forty years experience of our company and staff guarantees machining, grinding and polishing of crankshaft to the highest professional standards strictly in accordance to the tolerances stipulated by the manufacturers. Our experience of working on crankshaft and the trust of our clients have resulted to successfully repair of more than 10,000 crankshafts Worldwide

The services of crankshaft grinding and crankshaft polishing are extended for all the applications including forging hammers, marine and industrial.Our location in India gives us an opportunity to serve our clients in Middle East Asia and European countries.

Damaged Crankpin of Marine Engine
Damaged Crankpin of Marine Engine
Onsite Crankshaft Grinding Machine - Grinding Crankpin on Board a Vessel
Crankshaft Grinding Machine – Grinding Crankpin on Board a Vessel

 

 

 

 

 

 

 

Technician’s having Indian CDC can sail on the vessel and can execute the repairs. The main advantage of availing RA Power Solutions services is not only limited to the availability of experienced technicians but all the repairs like metal stitching, repair of major parts, dismantling and overhauling of DG sets is also offered.

We stand guarantee for all the jobs executed by us for successful repair of the engine in totality.

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

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

Insitu Crankpin Grinding | Crankpin Repair | Marine and Industrial Engine

RA Power Solutions undertake crankpin polish and crankpin grinding of crankshaft for four stroke and two stroke for marine and industrial diesel engines.

We work on medium and high capacity diesel engines having capacity of more than 400 KW. In terms of diameter we can undertake crankpin polish and crankpingrinding onsite for the diameters ranging from 60 mm to 700 mm.

Crankshaft Grinding and Polishing with Highest Precision

The crankpin grinding and crankpin polishing for marine and industrial application is undertaken by onsite crankshaft grinding machine. The diameter, surface finish and all parameters are maintained strictly as per the manufacturer’s specifications. Each job of crankpin polishing and crankpin grinding is executed with the greatest care because inexpertly repair of crankshaft can lead to the premature failure of the bearing causing considerable consequential damage. In fact with four decades of experience in the field of crankshaft grinding and crankshaft repair our experts technicians guarantee machining of crankshaft to the highest professional standards.

Damage Crankpin of Wartsila 12V32
Damage Crankpin of Wartsila 12V32
Insitu Crankshaft Grinding Machine from Crankcase Window
Insitu Crankshaft Grinding Machine from Crankcase Window

 

 

 

 

 

 

 

 

Cost Effective Crankshaft Grinding Services

In spite of constantly executing the repairs as per the OEMs standards with the highest quality demand we as an Indian company are considered to be the lowest price wise in comparison to the companies based in Europe, Singapore and other countries. We have executed successfully repair of over 10,000 crankshafts which is a testimony of confidence on us by clients based all over the world.

Inspection and Grinding of Crankpin of Wartsila Engine is in Process
Inspection and Grinding of Crankpin of Wartsila Engine is in Process

 

Services Related to Repair and Overhauling of Engine

RA Power Solutions offers all the services related to repair and overhauling of medium and high speed engines which includes following:

I)Insitu crankshaft repair, crankshaft grinding and crankshaft polishing up to 700 mm diameter.

II) Engine block repair by metal stitching and metal locking, line boring and other process.

III) Repair of major parts like cylinder heads, connecting rods, cylinder liners, etc.

IV) Repair and overhauling of diesel engines

All the repairs and services offered by RA Power Solutions are supported with guarantee.

We extend services all over the world including Nigeria, Singapore, Indonesia, Germany, Taiwan, Belgium, Korea, Ecuador, Brazil, Mexico, Myanmar, Greece, Spain, Finland, Netherlands, Oman, Dubai, Iran, Egypt, Russia, Philippines etc.

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

Grinding of Crankpin Under Process
Grinding of Crankpin Under Process
Finished Crankpin of Wartsila Engine After Onsite Grinding
Finished Crankpin of Wartsila Engine After Onsite Grinding

Insitu Crankpin Machining

Sulzer model 6RTA Engine was reported damaged in high seas near Mombasa on a transit to Sri Lanka. On investigation, it was observed that the connecting rod bolts got sheared damaging lower and upper engine block and three crankpins of the Crankshaft.

Team of RA Power Solutions technicians having experience of undertaking in-situ crankpin machining and a team undertaking repair of crack and damaged engine block by metal stitching and metal locking process was deputed on board a vessel within a short notice as all of them have a seamen passport.

Repair of Engine Block by Metal Stitching Process
Repair of Engine Block by Metal Stitching Process

On preliminary examination multiple cracks on upper and lower crack case of engine block were observed measuring in totality 2900 mm in terms of length. Three crankpins were damaged developing taper and ovality exceeding more than 1 mm. RA Power Solutions team of technicians worked non-stop and executed the repair of crankpins by onsite crankshaft grinding machine. All pins were undersized to 1.5 mm due to the damage.

Grinding of Crankpin on Board a Vessel
Grinding of Crankpin on Board a Vessel
Crankpin After Grinding by Crankshaft Grinding Machine
Crankpin After Grinding by Crankshaft Grinding Machine

 

 

 

 

 

 

 

The engine block cracks were repaired by metal locking and metal stitching process. The complete job was executed within 68 hours. The hard work, knowledge, experience, sincerity of technicians have been very much appreciated by the owners. This achievement was possible due to RA Power Solutions having latest design of equipment, experienced technicians having Indian CDC.

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

Crankshaft Grinding Machine for Small Diameter

Onsite grinding of crankshaft without removing it from the engine block is undertaken by taking the reference of radius fillet.

The onsite crankshaft grinding machine is placed on both side of the radius of the crankpin and tool rotates undertaking grinding and polishing of crankshaft. This process of crankshaft grinding by in-situ crankshaft grinding machine is successful generally for the diameter of the crankpin of 200 mm and above having a bearing width of 125 mm minimum.

Crankshaft Grinding Equipment from 30 mm Diameter
Crankshaft Grinding Equipment from 30 mm Diameter
Insitu Crankshaft Grinder
Insitu Crankshaft Grinder

 

 

 

 

 

For the smaller diameter of the crankpin, it is not possible to undertake the grinding by taking the reference of radius fillet due to the space constraints.

RA Power Solutions has introduced a compact, easy to operate onsite crankshaft grinding machine which is suitable for grinding and polishing of small diameters of the crankpin above 30 mm. The crankpin bearing width can be as small as 30 to 40 mm. With this latest technological advance crankshaft grinding machine, it is easy to grind the smaller diameter of the crankpin having smaller crankpin bearing width.

Onsite Grinding Machine for Small Diameter
Onsite Grinding Machine for Small Diameter

The crankshaft grinding machine has the main features of machining, grinding and polishing of the crankpin. The tolerances in terms of taper, ovality, surface finish are maintained far better than the manufacturer’s recommendation.

RA Power Solutions having 4 decades of experience in in-situ crankshaft grinding have executed successfully repair of more than 11,000 crankshaft all over the world and are leaders in this field.

For your requirement of portable onsite crankshaft machine, you may write us on info@rapowersolutions.com

Turbine, Rotor and Alternator Shaft Grinding and Polishing

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.

Repair of Turbine and Alternator Shaft
                    Repair of Turbine and Alternator Shaft

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:

I) 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.

II) Latest breed of turbine, alternator, rotor shaft grinding and polishing equipment is available with us having capacity up to 700 mm diameter.

Grinding & Repair of Crankshaft After Major Accident
Grinding & Repair of Crankshaft After Major Accident

III) Onsite 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 dis assembly of the parts is required.

IV) 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.

V) All the repairs of turbine, alternator, and rotor shaft are executed with guarantee.

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

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

Crankshaft Grinding and Crankshaft Repair by Experienced Technicians

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.

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.

Crankshaft Repair is in Process
          Crankshaft Repair is in Process

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

 

 

 

 

 

 

 

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

Crankshaft Grinding

Crankshaft grinding is undertaken by RA Power Solutions having four decades of experience in repair of crankshaft. We have technicians who are trained in our workshop giving them the on job training for Grinding of crankshaft and repair of Crankshaft.

Crankshaft Grinding on Board a Vessel
Crankshaft Grinding on Board a Vessel

We use latest design of crankshaft grinding equipment which is vibration free and is capable to maintain close tolerances in terms of taper and ovality. Crankshaft grinding and crankshaft polishing is done in one setting thus reducing the time of crankshaft repair considerably.

Crankshaft Grinding Machine- Vibration Free
Crankshaft Grinding Machine- Vibration Free
Crankshaft Repair
Crankshaft Repair

 

 

 

 

 

 

 

Crankshaft grinding and crankshaft repair is also undertaken on board the vessel and while the vessel is sailing.

Crankshaft Repair by Portable Grinding and Polishing Machine

RA Power Solutions has four decades of experience undertaking grinding and polishing of crankshaft. We can undertake onsite grinding and polishing of crankshaft from 50 mm to 700 mm. Team of experienced technicians are deputed to the site with light weight, portable crankshaft grinding machine. The repair of crankshaft is done without removing the crankshaft from the engine block. This saves time and cost involved in disassembly of crankshaft, packing and transportation of crankshaft to the workshop.

Potable Crankshaft Grinding Machine
Potable Crankshaft Grinding Machine
Crankshaft Grinder
Crankshaft Grinder

 

 

 

 

 

 

 

Worldwide the repair of crankshaft in workshop is outdated. We depute our technicians all over the world with portable equipments for repair of crankshafts. The repair is executed strictly as per the manufacturer’s specifications and tolerances. The crankshaft repairs are guaranteed for satisfactory performance.

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

 

 

 

 

 

 

 

The recent introduction of vibration less portable onsite crankshaft grinding machine facilitates us to execute crankshaft repair while vessel is sailing.

Our technicians have seaman passports and they can board the vessel from one port and disembark from another port. Thus, saving the cost of anchorage or stay at port.

Crankshaft Repair on Board the Vessel
Crankshaft Repair on Board the Vessel
Offshore Grinding of Crankshaft is in Process
Offshore Grinding of Crankshaft is in Process

 

 

 

 

 

 

 

We also manufacture crankshaft grinders which are priced low and easy to operate. These revolutionary machines are recommended for shipping companies, repair workshop heavy engineering company, etc.

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

Crankshaft Repair on Board a Vessel by Experienced Engineers

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

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.

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

 

 

 

 

 

 

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

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

 

 

 

 

 

 

 

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.