With the insitu crankshaft grinding machine, our trained specialists can arrive at a site in the shortest amount of time and fix the crankshaft without removing it from the main engine.

Efficient crankshaft on the engine Restoration: 35 to 700 mm in diameter Grinding Accuracy

Since the crankshaft is the engine’s central component, it transforms reciprocating motion into the linear movement that powers the engine through the use of connecting rods. With the process, technology, and onsite crankshaft grinding equipment from RA Power Solutions, crankshaft repair is now feasible without removing the crankshaft from the engine. These machines range in size from 35 mm to 700 mm. Our technology can repair crankshafts up to 700 mm in diameter, allowing us to fix any crankshaft, regardless of its weight or length.

In general, the crankshaft has several applications, including diesel generators and marine engines. Typical areas of crankshaft applications are as follows:

• Compressors
• Power generators
• Forging hammers
• Pumps
• Marine engines

RA Power’s Journal and Crankshaft Machining Advantages:

• The vast experience of having repaired over 10,000 shafts on any size Main or Auxiliary engine

• Specially designed crankshaft machining tooling for insitu reconditioning without dismantling the full engine, deployed all around the globe.

• A large, global team of highly skilled machining technicians ensures a rapid, expert response anytime and anywhere.

• The latest breed of inspection instruments is available to undertake hardness tests, MPI, surface roughness tests, dimensional inspection, etc.

• Our crankshaft grinding machine weighs 1/3rd of our competitors, saving on freight costs.

Giving ship and power plant crews the tools they need to grind and fix crankshafts on site

Years of crankshaft grinding and polishing by RA Power Solutions, it is now possible to not only grind and polish the crankshaft onsite, but also to repair the crankshaft by ship or power plant crew.

For more information on in situ crankshaft grinding, onsite crankshaft grinding, crankshaft grinding, insitu crankshaft grinding repair, onsite crankshaft machining, and crankshaft machining in situ, crankpin bearings, bearings for MAN and MAK engines please contact info@rapowersolutions.com, rajshahani@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

FAQs

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In this blog post, we will delve into the realm of crankshaft machining equipment, exploring the significance of crankshaft grinding and polishing machines and highlighting the advanced solutions offered by RA Power Solutions.

RA Power Solutions has been extending on-site crankshaft repair services for the last forty-five years.Technicians perform crankshaft grinding and crankshaft machining onsite without removing the crankshaft from the engine block. This approach reduces equipment downtime and delivers significant cost savings, as it eliminates the need for packing and transporting the crankshaft to a designated workshop—a method that is now outdated.

We introduced a portable, lightweight, easy-to-operate onsite crankshaft grinding and crankshaft polishing machine, which has been welcomed by the industry. More than 100 crankshaft grinding and crankshaft polishing machines have been sold worldwide to shipping companies, diesel power plants, hydro and thermal power plants, repair workshops, etc.

We continuously receive feedback from our existing customers confirming their full satisfaction with the performance of the crankshaft grinding and crankshaft polishing machine.

The clients who were availing the services of crankshaft repair companies based in Europe and the UK and spending large amounts now can undertake the repairs themselves by using crankshaft grinding and crankshaft polishing machines. Thus bringing down the cost of repair considerably.

Crankshaft Refurbishment

We recommend calibrating and inspecting the crankshaft whenever the engine undergoes an overhaul. In most cases, continuous operation causes bearing line marks, pitting, and rough surfaces on the crankpin and main journal diameters of the crankshaft. In such situations, engineers should carry out crankshaft refurbishment. This process may include grinding and polishing of the main journals and crankpin diameters, depending on their condition.

The onsite crankshaft grinding equipment and crankshaft polishing machine are supplied completely in all respects and are ready to use immediately upon arrival at the site. We generally supply the machine with a pneumatic turbine that requires air at 7 kg/cm² and 90 CFM. Alternatively, we can supply an electric motor drive, which is heavier than the pneumatic turbine.RA Power Solutions extends free training to the client’s technicians for the operation and maintenance of the crankshaft Grinder.

We supply the machine in powder-coated steel boxes with clamps that securely hold it, allowing technicians to transport it safely to sites around the world. The onsite crankshaft grinding and crankshaft polishing machine is available from 35 mm to 700 mm in terms of diameter.

We manufacture crankshaft grinding and polishing machines according to the client’s requirements and the available space at the site for machine installation.

Conclusion:

Crankshaft machining equipment plays a vital role in ensuring the performance and longevity of engines. With the help of advanced crankshaft grinding and polishing machines, engine rebuilders and maintenance professionals can restore crankshafts to their original specifications, enabling optimal engine operation.

RA Power Solutions stands out as a leading provider of high-quality crankshaft machining equipment. Their cutting-edge solutions and experienced team ensure accurate and efficient restoration, elevating engine performance to new heights. When it comes to enhancing engine functionality, investing in top-notch crankshaft grinding equipment is undoubtedly a wise choice.

For any information regarding on site crankshaft grinding polishing machine, please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

FAQs:

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What Is Onsite Crankshaft Grinding?

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

The crankshaft grinding machine having a range of 100 mm and above is ideal for undertaking crankshaft repair, crankpin grinding, and polishing of marine engines and heavy-duty rotating equipment.

We are the leading provider of onsite crankshaft grinding machines and polishing, Insitu turbine shaft Grinding and Polishing, Rotor Shaft Grinding and Polishing, Portable crankshaft grinding machines, crankshaft grinding and repair.

Key Features of Our Crankshaft Grinding Machines

• Wide diameter range — capable of handling from small shafts (≈ 30-100 mm) used in pumps, compressors, etc., up to heavy crankshafts in marine engines.
• Portable / in-situ design — smaller footprint, easier setup, reduced downtime.
• Durable materials — main structural parts built from titanium / ferrous alloys to handle stress and maintain precision.
• Operator training & support — includes on-site training so technicians can operate and maintain the machine safely and effectively.

Benefits of Choosing On-Site Grinding

Traditional (bench) grinding	OnSite / Portable Grinding
Requires dismantling, transportation	Machine comes to the site, minimal movement
High cost and long downtime	Reduced repair time & costs
Risk of damage during handling	Less handling; safer for crankshaft
Less flexibility for large shafts	Suitable for large & marine-scale jobs

Clients have also noted that with onsite crankshaft grinding, the repair turnaround is much faster, leading to less downtime and lower overall cost.

Why RA Power Solutions?

With 45 years of experience, RA Power Solutions has recently supplied a crankshaft grinding machine, ranging in diameter from 220 to 260 mm, to a Bangladesh-based client. This is the first onsite crankshaft grinding machine to be sold in Bangladesh. Several diesel-generating sets are in operation, serving a large population of vessels that pass through the various ports of Bangladesh.

At RA Power Solutions, we prioritize customer satisfaction and strive to deliver top-quality services that exceed your expectations. Our on site crankshaft grinding machine is just one example of our commitment to providing innovative solutions for engine repair and maintenance.

For more information regarding crankshaft grinders, crankshaft grinding services, and crankshaft grinding equipment, please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

FAQs:

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