Crankshaft Machining | Crankshaft Grinding Services | Onsite Crankshaft Repair Services

 

Damaged Crankpin of MAN Engine
Damaged Crankpin of MAN Engine

Development of Taper and Ovality is common in Crankshaft which gets developed due to continuous running of the engine. 

RA Power Solutions is having experience of forty years in onsite Grinding and polishing of Crankshaft diameter ranging from 30 mm to 700 mm. The Onsite Grinding and repair is executed by experienced technicians. We use portable crankshaft grinding machine which is specially developed to undertake Crankshaft grinding and Crankshaft polishing within the tolerances stipulated by the manufacturer.
 
It is possible to undertake Crankshaft grinding and Crankshaft polishing while the Vessel is sailing.
Onsite Grinding of Crankshaft While Vessel is Sailing
Onsite Grinding of Crankshaft While Vessel is Sailing
Inspection of Crankpin Before Grinding
Inspection of Crankpin Before Grinding

 

 The Crankshaft grinding machine used for Crankshaft repair is manufactured of Titanium alloy which absorbs the vibrations and facilitates to maintain the close tolerance within 20-30 microns. We are the world leaders in Onsite Repair and offer Crankshaft Grinding Services on the lowest price with international standard. All the Crankshaft repairs undertaken by us are guaranteed for satisfactory performance of Crankshaft and engine.
For more information, please email us on info@rapowersolutions.com
Onsite Crankshaft Grinding Repair Machine
Onsite Crankshaft Grinding Repair Machine
Inspection of Crankpin After Grinding
Inspection of Crankpin After Grinding

  Development of Taper and Ovality is common in Crankshaft which gets developed due to continuous running of the engine.  RA Power Solutions is having experience of forty years in onsite Grinding and polishing of Crankshaft diameter ranging from 30 mm to 700 mm. The Onsite Grinding and repair is executed by experienced technicians. We use … Continue reading “Crankshaft Machining | Crankshaft Grinding Services | Onsite Crankshaft Repair Services”

Crankpin Grinding by Crankshaft Grinding Machine

Diesel power plant based in northern India having 10 nos. of 12.3 MW Wartsila diesel generating sets reported severe causality involving one of their Wartsila generator.

RA Power Solutions team of technicians rushed to the power plant with the measuring instruments and onsite crankshaft grinding equipment to access the cause of breakdown.

Wartsila Diesel Generating Sets Installed in Plant
Wartsila Diesel Generating Sets Installed in Plant

On undertaking the detailed inspection of crankshaft including dimensional check, hardness test, MPI for crack and deflection, it was observed that one of the crankpin journal was damaged due to the failure of big end bearing.

Following were the main observations:

I) Taper and ovality in crankpin was observed as 0.70 mm.

II) Due to failure of bearing, deep line marks were visible.

III) Hardness and MPI test was done, no cracks were observed.

Damaged Crankpin of Wartsila Engine
Damaged Crankpin of Wartsila Engine

RA Power Solutions used latest design of onsite crankshaft grinding machine having almost no vibrations. The crankpin was undersized by 1.5 mm maintaining the tolerance within 10 microns. Our technicians took only 18 hours to complete the Crankshaft repair from the time of start of preliminary inspection, grinding and final inspection. The repair of crankpin in such a short time was possible due to the latest technology onsite crankshaft grinding machine used and experience of our technicians. The engine was assembled and is performing satisfactory.

Inpection of Crankpin is in Process
Inpection of Crankpin is in Process
Crankpin Grinding is in Process by RA Power Engineer
Crankpin Grinding is in Process by RA Power Engineer

RA Power Solutions is having four decades of experience in working on crankshaft of high capacity main and auxiliary engines. The technicians are trained in the factory to execute the repair of crankshaft strictly as per the manufacturer’s specifications and tolerances.

We are the leaders in this field and our prices are most competitive.

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

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

Diesel power plant based in northern India having 10 nos. of 12.3 MW Wartsila diesel generating sets reported severe causality involving one of their Wartsila generator. RA Power Solutions team of technicians rushed to the power plant with the measuring instruments and onsite crankshaft grinding equipment to access the cause of breakdown. On undertaking the detailed inspection of crankshaft including dimensional … Continue reading “Crankpin Grinding by Crankshaft Grinding Machine”

Training on Operation of Crankshaft Grinding Machine

Onsite crankshaft grinding machine is manufactured and marketed by RA Power solutions having more than four decades of experience in extending the services of repair of crankshaft, grinding and polishing of crankpin and main journal.

Crankshaft Grinding Machine for Repair & Grinding of Crankshaft
Crankshaft Grinding Machine for Repair & Grinding of Crankshaft

The onsite crankshaft grinding machine is manufactured having range starting from 30 mm to 700 mm in terms of diameter. The smaller diameter of onsite crankshaft grinding machine up to 100 mm are more suitable for grinding and polishing of crankshafts used in construction equipments, compressors, pumps, etc.

The crankshaft grinding machine having range of 100 mm and above is ideal to undertake crankshaft repair, crankpin grinding and polishing of marine engines and heavy duty rotating equipments.

RA Power Solutions has recently supplied crankshaft grinding machine ranging from 220 to 260 mm Diameter to a Bangladesh based client. This is the first onsite crankshaft grinding machine to be sold in Bangladesh where number of diesel generating sets are in operation and having large population of vessels passing through the various ports of Bangladesh.

Crankshaft Grinding Machine is in Operation While Training
Crankshaft Grinding Machine is in Operation While Training
Inspection of Crankpin Before Grinding
Inspection of Crankpin Before Grinding

The onsite training on operation and maintenance of crankshaft grinding machine is of great help to the buyers as within a short time of 1 week the technicians learned as how to operate the onsite crankshaft grinding machine and to maintain.

Since the bench type crankshaft grinding machines are outdated and are replaced by compact, portable, easy to operate in-situ crankshaft grinding machine. It has bought a revolution in this area as the cost of repair of crankshaft and downtime of the marine engine has been reduced drastically.

Grinding of Crankshaft by Crankshaft Grinding Machine on Vessel
Grinding of Crankshaft by Crankshaft Grinding Machine on Vessel
Crankpin After Grinding and Polishing by Crankshaft Grinding Machine
Crankpin After Grinding and Polishing by Crankshaft Grinding Machine

 

 

 

 

 

 

 

The maintenance of the crankshaft grinding machine equipment is easy and is explained in detail to the technicians operating the machine.

For manufacturing of onsite crankshaft grinding machine the raw material is selected in order to keep the machine weight to the minimum and to meet with the stress at the time of grinding and polishing of the crankshaft. The main parts of the crankshaft grinding machine are manufactured of titanium and ferrous alloys.

The easy operation, low price, training on the job to the buyer’s technicians have made it popular and as on date more than 70 crankshaft grinding machines have been sold all over the world.

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

Onsite crankshaft grinding machine is manufactured and marketed by RA Power solutions having more than four decades of experience in extending the services of repair of crankshaft, grinding and polishing of crankpin and main journal. The onsite crankshaft grinding machine is manufactured having range starting from 30 mm to 700 mm in terms of diameter. … Continue reading “Training on Operation of Crankshaft Grinding Machine”