Month: August 2018

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

Engine population is rapidly increasing for the shipping industry, power plants, and various applications. In most cases, engines are used not only for emergency purposes but as a base load. The continuous running of the diesel engine results in wear and tear of the 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 sending 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 This is now outdated.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 the repair of crankshafts have developed a portable, lightweight engine crankshaft grinding machine and onsite crankshaft grinding machine which can be taken to the site as accompanying baggage. The onsite crankshaft grinding machine has the following features:

  • Light in weight can be carried to the site easily.
  • The portable nature of onsite crankshaft grinding machine facilitates it to insert from the inspection window and undertake grinding and polishing of the crankpin.
  • The machine is designed and can maintain the taper and ovality within 0.02 mm. This meets with the OEM’s tolerances.
  • Surface finish and other parameters can be maintained as per international norms.
  • Onsite crankshaft grinding machine is easy to operate
  • Onsite training is provided for smooth running of the crankshaft grinding machine.
  • More than 70 machines sold all over the world and performing satisfactorily.
  • Insitu crankshaft grinding machines are low-priced and recommended 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 are exported to various countries including Dubai, Singapore, Bangladesh, Indonesia, Greece, Qatar, Nigeria, South America, etc.

For more information on engine crankshaft grinding machines, please email us at rajshahani@rapowersolutions.com or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

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

Crankshaft Machining | Crankshaft Grinding | Crankshaft Polishing | 44 Years Of Experience

With the experience of more than four decades, RA Power Solutions has been the leader in providing insitu crankpin, main journal grinding, and machining. The removal of the crankshaft from the engine block in case of an accident or normal wear and tear is not required. The removal of the crankshaft from the engine block is a lengthy process and expensive, and engine manufacturers are to be contacted for the disassembly and removal of the crankshaft from the engine.

The onsite crankpin, main journal grinding and crankshaft polishing are undertaken by RA Power Solutions using state-of-the-art equipment which can be taken to any site on a ship or land-based industry.

Crankshaft Machining on Board a Vessel
Crankshaft Machining on Board a Vessel

The onsite crankshaft grinding machine is placed on the damaged crankpin through the inspection window provided in the crankcase. Due to the compact design of the machine, most of the crankshafts can be repaired onsite.

RA Power Solutions undertakes onsite machining, onsite grinding of crankshafts, and crankshaft polishing services of diameters ranging from 60 mm to 700 mm.

Onsite Crankshaft Grinding & Polishing Machine
Onsite Crankshaft Grinding & Polishing Machine
Crankshaft Grinding Machine- Grinding Crankpin
Crankshaft Grinding Machine- Grinding Crankpin

The jobs of crankpin and main journal repair of crankshaft executed by us have the following features:

  • Having the latest quality control measuring instruments to check hardness, crack by MPI, taper, ovality, surface finish, etc.
  • All instruments used for measuring the crankpin and main journal diameter are periodically sent to the laboratory for calibration. Valid certificates are kept in the record as per the requirement of inspection agencies.
  • The latest design and technology instruments/equipment are used prior to the repair of the crankshaft and after the repair is executed.
Damaged Crankpin Before Grinding
Damaged Crankpin Before Grinding
Finished Crankpin After Grinding
Finished Crankpin After Grinding

Advantage Of RA Power Solutions For Crankshaft And Main Journal Repair

  • Crankshafts are repaired onsite up to a diameter of 700 mm. No need for the removal of the crankshaft.
  • An experienced team of technicians is always ready to leave for sailing all over the world. The holding of seamen passports by technicians facilitates them to fly out to any country on short notice.
  • The robust design and use of titanium for manufacturing the body of the crankshaft grinding machine ensure minimum or no vibration while the crankshaft grinding machine is in operation. The job of repairing the crankshaft can be executed while the vessel is sailing.
Grinding of Crankpin is in Process

All the services required for the repair of the engine and to put it back into operation are extended by RA Power Solutions, including commissioning and trial parts.

The experience of repairing over 10,000 crankshafts makes us a leader in this field. The cost of repair of the crankshaft and the services offered are the lowest in the industry. This is possible due to the continuous upgrading of technology and processes followed by us.

For more information regarding the onsite machining of crankshaft, crankshaft polishing, polishing of crankshaft, and onsite crankshaft polishing mail us at rajshahani@rapowersolutions.com or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.