On-Site Crankshaft Grinding Machine | Electric Motor System | In-Situ Repair

RA Power Solutions offers experienced onsite crankshaft grinding services for various reciprocating equipment, such as diesel engines, compressors, pumps, and forging hammers. We created an onsite crankshaft grinding machine powered by a pneumatic turbine motor approximately 20 years ago, and it has since become a trusted solution for top crankshaft repair organizations, large industrial groups, and shipping operators worldwide. Our most recent onsite crankshaft grinding machine, equipped with an electric motor system, allows for very precise in-situ repairs while reducing downtime and increasing operational efficiency.


We have recently introduced an onsite crankshaft grinding machine operated by an electric motor system.

This offers several advantages, as outlined below:

i) The electric motor provides precision speed control via a Variable Frequency Drive (VFD), which allows for exact RPM modification based on operational requirements.


ii) It delivers consistent low-speed performance, resulting in improved control and high-precision grinding output.


iii) Because of its basic design and limited number of moving parts, the electric motor requires less maintenance.


iv) The electric motor-powered onsite crankshaft grinding equipment avoids the need for an external compressor, which is required in pneumatic systems.


This machine can do onsite crankshaft grinding for diameters up to 700 mm.



The onsite crankshaft grinding equipment is designed to work even when the vessel is in motion. This approach avoids the need to pause operations for repairs, which saves significant time. This capability is very useful for auxiliary engine crankshaft maintenance.


Shipping businesses, heavy industries, and engine repair shops that handle several power generation units strongly recommend the machine, which is extremely cost-effective. In most circumstances, you recoup the machine's cost after only 2 or 3 repair operations.


We also provide customers with extensive training that covers both equipment operation and maintenance. Our training programs give technicians hands-on experience and practical skills for crankshaft grinding and polishing.

Why Choose an Electric Motor Over a Pneumatic System?

While pneumatic systems have been widely used in the past, the electric motor-operated crankshaft grinding machine offers significant advantages:

  1. Better energy efficiency and reduced operational cost

  2. No dependency on external air compressors

  3. Consistent performance even in remote or challenging environments

  4. Improved control leading to superior surface finish and accuracy

  5. Reduced noise and vibration compared to pneumatic systems

Benefits of Shipping and Heavy Industries


The usage of an electric motor-driven onsite crankshaft grinding machine provides considerable operational and economic benefits:


  • It eliminates the need to dismantle and transfer the crankshaft to a workshop.
  • Reduces vessel downtime and avoids operational disturbances.
  • Reduces maintenance, handling, and logistics expenses significantly.
  • Allows for immediate repairs, even during a cruise.
  • Improves the service life of the crankshaft and accompanying machinery.


With continual developments in onsite machining technology, the electric motor-operated crankshaft grinding machine represents a significant step forward in precision engineering and cost-effective maintenance. It offers a stable and effective solution for organizations looking to reduce downtime while maintaining high levels of accuracy and performance.


For more information regarding the On-Site Crankshaft Grinding Machine, please contact us at rajshahani@rapowersolutions.com or info@rapowersolutions.com or call us at +91 9582647131 or +91 9810012383.


Source URL: https://www.crankshaftgrindingmachine.com/on-site-crankshaft-grinding-machine-with-electric-motor-system-for-on-site-repair-services/ 

Watch Our YouTube Video: https://youtube.com/shorts/83oXhVXgvvA?si=63M1m1aTASTnW-7k
Location: 411, 4th Floor, Arcadia, South City II, Sector 49, Gurugram, Haryana 122018, India

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