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

CKD Skoda Engine Bearings Manufacturer | Exporter– RA Power Solutions

CKD Skoda engines of different capacities are installed all over the world for various applications. Since last two decades the production of CKD Skoda engines and spare parts is stopped causing inconvenience to the CKD Skoda DG sets installation. RA Power Solutions manufactures white metal and tri metal bearings of crank-pin and main journal for all models of CKD Skoda engines. The bearings are manufactured in a modern workshop having latest breed of equipment following the advance technology and process.

CKD (SKODA) Engine Bearings
CKD (SKODA) Engine Bearings

The experience of four decades in dealing in CKD Skoda generators and spares has helped us in developing and manufacturing CKD Skoda spare parts of a quality which is far superior to the OEMs. This is acknowledged by the companies based in Czech Republic importing container loads of bearings, cylinder liners, and various spare parts from RA Power Solutions.

Inspection of Engine Bearings
Inspection of Engine Bearings
CKD SKODA Bearings
CKD SKODA Bearings

 

 

 

 

 

Each part of CKD Skoda engine exported by RA Power Solutions is subject to stringent quality control norms followed by us. We are priced lowest in the world.

CKD Skoda engine bearings, cylinder liners and various spare parts are readily available in stock and are exported worldwide for following models of CKD SKODA engines:

 OUTPUT (kVA)  FREQUENCY (Hz)  VOLTAGE (V) DIESEL ENGINE  RPM
 405  50  400/231  6S275III  600
 405  50  400/231  6-27,5 A0S  600
 500  50  400/231  6S275PN  500
 608  50  400/231  6S275IIIPN  600
 608  50  400/231  6-27,5 A2S  600
 825  50  400/231  6S275IIIPV  600
 825  50  400/231  6-27,5 A4S  600
 860  50  400/231  6S350PN  375
 860  50  6300  6S350PN  375
 860  50  11000  6S350PN  375
 1525  50  6300  9S350IIPS  375
 1525  50  11000  9S350IIPS  375
 1525  50  6300  9TS35/50-2  375
 1525  50  11000  9TS35/50-2  375
 1600  50  400/231  6-27,5 B8S  750
 1600  50  6300  6-27,5 B8S  750
 1600  50  11000  6-27,5 B8S  750
 2140  50  6300  6-27,5 B8S  750
 2140  50  11000  6-27,5 B8S  750
 2270  50  6300  6-38 A6S  500
 2270  50  11000  6-38 A6S  500

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

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

Repair of Damaged Engine Block

RA Power Solutions was recently approached by a diesel power plant based in South America having Wartsila 12V32 and Wartsila 18V32 diesel generating sets.

Broken Engine Block of Wartsila Diesel Engine
Broken Engine Block of Wartsila Diesel Engine

A serious accident took place due to failure of cylinder liner resulting in to the damage of various parts including lower and upper engine block of Wartsila 18V32 engine. On investigation by RA Power Solutions technicians it was observed that upper and lower engine block suffered severe multiple cracks measuring to total 2900 mm in length and  damage of casting into small pieces measuring 300 X 460 mm.

Casting Piece Given Profile as per Damaged Engine Block
Casting Piece Given Profile as per Damaged Engine Block

Various options were discussed and it was decided to replace the lower and upper crankcase. The cost of replacement of damage lower and upper engine block of Wartsila 18V 32 was exorbitant with a delivery period of 9 months. RA Power Solutions proposed to repair the multiple cracks and damaged portion by metal stitching and metal locking process. This is a cold process of crack repair and has been followed by our technicians in number of installations all over the world during our service to the industry for last four decades

Special Metal Locks and Keys Used in Metal Stitching Process
Special Metal Locks and Keys Used in Metal Stitching Process

The damaged portion of the engine block was given a discipline profile and new piece of casting having similar metallurgical properties as of the parent material was placed and metal stitched using the latest design of metal stitching locks and keys. The multiple cracks were properly marked by our technicians using the latest MPI equipment to identify the cracks. The multiple cracks were also repaired by metal stitching and metal locking process.

Special Keys Used in Metal Stitching
Special Keys Used in Metal Stitching

RA Power Solutions also undertook the onsite grinding of crankshaft which got damaged due to accident and re-assembled the engine in 16 days time. All these repairs were conducted in-house with the onsite portable equipments which were carried to the site by the technicians. Perhaps no other company in the world can offer all repair services under the same roof.

The engine is performing satisfactory.

RA Power Solutions specializes in cast iron repairs, utilizes advance metal stitching and metal locking processes that are ideal and most suited for this type of crack repair.

RA Power Solutions takes the pride to announce that in our four decades of experience, we were able to save millions of dollars of end users by undertaking the onsite repairs of damaged parts avoiding the  expenses towards the cost of new parts which are exorbitantly priced with long delivery.

Meta Stitching Of Engine Block is in Process
Metal Stitching Of Engine Block is in Process

 

Repair of Damaged Engine Block by RA Power Technician
Repair of Damaged Engine Block by RA Power Technician

We have a dedicated team to undertake the repair of crack and damaged engine components. It is possible to undertake metal stitching and metal locking for repairs of crack on a moving vessel.

Repair of Engine Block by Metal Stitching/Metal Locking
Repair of Engine Block by Metal Stitching/Metal Locking While Vessel is Sailing

Technicians can join the vessel in short time as they carry seaman passport. As an Indian company we are respected for our sincerity, experience and lowest cost.

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

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

CKD Skoda Bearings by RA Power Solutions, India

CKD Skoda engines and CKD Skoda diesel generating sets are slow RPM and are installed all over the world. Presently, CKD Skoda plant is closed for last 15 years and due to non availability of spares various problems are faced by the clients having CKD Skoda generating sets or CKD Skoda engines installed for applications like shipping and industries.

CKD SKODA Bearings Ready for Dispatch
CKD SKODA Bearings Ready for Dispatch

RA Power Solutions is associated with CKD Skoda since 1982 . We manufacture and supply Skoda white metal bearing and Skoda tri metal bearings for crankpin and main journals. The CKD Skoda bearings are manufactured under the strict quality norms. We have been regularly exporting these bearings all over the world including Czech Republic. A country where CKD Skoda IV) engines were manufactured.

Parts like Crankshaft, cylinder liners, valves etc for CKD Skoda engines are available.
We have ready stock for following Skoda engines:

I) CKD Skoda 500 KVA
II) CKD Skoda 608 KVA
III) CKD Skoda 860 KVA
IV) CKD Skoda 1450 KVA
V) CKD Skoda 2270 KVA

Inspection of CKD SKODA Bearings is in Process
Inspection of CKD SKODA Bearings is in Process

We maintain inventory for following models of CKD Skoda Diesel Generating Sets:

 OUTPUT (kVA)  FREQUNCY (Hz)  VOLTAGE (V)  DIESEL ENGINE  RPM
 405  50  400/231  6S275III  600
 405  50  400/231  6-27,5 A0S  600
 500  50  400/231  6S275PN  500
 608  50  400/231  6S275IIIPN  600
 608  50  400/231  6-27,5 A2S  600
 825  50  400/231  6S275IIIPV  600
 825  50  400/231  6-27,5 A4S  600
 860  50  400/231  6S350PN  375
 860  50  6300  6S350PN  375
 860  50  11000  6S350PN  375
 1525  50  6300  9S350IIPS  375
 1525  50  11000  9S350IIPS  375
 1525  50  6300  9TS35/50-2  375
 1525  50  11000  9TS35/50-2  375
 1600  50  400/231  6-27,5 B8S  750
 1600  50  6300  6-27,5 B8S  750
 1600  50  11000  6-27,5 B8S  750
 2140  50  6300  6-27,5 B8S  750
 2140  50  11000  6-27,5 B8S  750
 2270  50  6300  6-38 A6S  500
 2270  50  11000  6-38 A6S  500
CKD Skoda Bearings
CKD Skoda Bearings
CKD Skoda for High Capacity Engine
CKD Skoda for High Capacity Engine

Overhauling and Repair of Marine Diesel Engine

Marine diesel engine is to be maintained and overhauled periodically in accordance with the international rules and regulations. The manufacturer’s recommendations for the periodic overhaul of the marine engine as well as that of the class and the administration is to be followed.

Diesel Engine Repair & Overhauling
Diesel Engine Repair & Overhauling

RA Power Solutions undertakes on-board overhaul and repair of marine engines. The auxiliary engines which are used for generation of power are also overhauled as per the scheduled recommended by the manufacturers.

Reconditioning of Cylinder Heads
Reconditioning of Cylinder Heads

RA Power Solutions undertakes the periodic checks of marine engine and auxiliary engines (generators) on board the vessel for 250, 1000, 2000, 4000, 8000 hours of routine inspection and overhaul.

Team of experienced technicians trained to work in a difficult situation are deputed on board the vessel. In case of any accident or technical issues reported by the chief engineer a  separate technician with instruments and portable equipment is deputed to attend the repairs on the spot. This facilitates the repair of damage parts if possible and the assembly of the engine after overhauling work  in short duration reducing the down time

Prior to assembly of the engine all the parts are thoroughly inspected and calibration report in detail is prepared. In case of any discrepancies, it is highlighted and explained to the engineers and plan for corrective action is made in consultation with the owners.

Inspection & Repair of Engine Spares
Inspection & Repair of Engine Spares

Having the in-house facilities for repair of major engine components, RA Power Solutions has an edge over other agencies. Major parts like crankshaft, engine block, connecting rods, and cylinder heads are calibrated and repaired in most of the cases.

In certain situation in case the damage cannot be attended on vessel the parts are sent to our workshop for repairs.

RA Power Solutions with 4 decades of experience stands guarantee for the job of marine engine overhaul and repair executed.

For more information, please email us your inquires on info@rapowersolutions.com or call us on +91-9810012383

Repairs are in Process During Overhauling of Marine Engine
Repairs are in Process During Overhauling of Marine Engine
Inspection After Overhauling of Marine Engine
Inspection After Overhauling of Marine Engine

Diesel Engine Repair and Overhaul by RA Power Solutions, India

Diesel engine repair and maintenance is one of the important services offered by RA Power Solutions through the trained and experienced engineers and technicians. Our engineers are trained with the OEMs, large power station and can handle all the problems related to the maintenance and repair of diesel engine, generators and all auxiliary equipment installed on the vessel or power plant.

 

Repair and Overhaul of Diesel Engine is in Process
             Repair and Overhaul of Diesel Engine is in Process

It is important that while the diesel engine maintenance is under the process, the major parts like crankshaft, connecting rod, engine block, cylinder liner, cylinder head, etc. are calibrated .

RA Power Solutions is one of the leading companies also providing the services for onsite repair of major components in case need arises.

Reconditioning of Connecting Rod
Reconditioning of Connecting Rod

The calibration report of major parts of diesel engine is maintained and handed over to the clients after the overhauling and repair of diesel engine is executed.

The diesel engine overhauling and repairs services comprises of following:

I) To undertake shifting of high capacity diesel engines from one location to another.

II) Complete overhaul of diesel engine and generating sets is done as per the engine manufacturer’s instructions and maintenance manual.

III) Major Diesel engine repair and maintenance jobs are executed like replacement of engine block, crankshaft, cylinder heads and cylinder liners, etc. in case of accident or normal wear and tear.

IV) Diesel engine overhaul and repair is supported by team of experience technicians who can also undertake onsite repair of major components if required.

Inspection and Repair of Engine Spares
Inspection and Repair of Engine Spares
Inspection of Crankpin of MAN Engine
Inspection of Crankpin of MAN Engine

 

 

 

 

 

 

 

We are the only company which can provide all the services related to diesel engine repair under one roof involving crankshaft grinding, engine overhauling and commissioning and supplying new and reconditioned engine spares.

The diesel engine repair can also be executed while sailing of vessel as our technicians have valid Indian CDC.

Inspection and Repair is in Process
Inspection and Repair of Heat Exchanger is in Process
Inspection of Diesel Engine
Inspection of Diesel Engine