In case of bearing failure or continuous running of the crankshaft, it develops bearing line marks, pitting, or rough surfaces. This requires polishing of the crankshaft, crankpin, and main journal.
A revolutionary onsite portable crankshaft polishing machine has been introduced by RA Power Solutions Pvt. Ltd., which is portable, lightweight, easy to operate, and can be taken to the site. The polishing of the crankshaft and crankpin is possible without removing the crankshaft from the engine block. We manufacture the onsite crankshaft polishing machine for diameters ranging from 50 mm to 700 mm.
The use of a crankshaft polishing machine removes bearing line marks and pitting. It also improves the surface finish as required by the manufacturer.
We provide free training to customers for a duration of one week. During this time, our team explains and demonstrates the operation and maintenance of the crankshaft polishing machine.
The cost of the machine is kept low, as it is the company’s objective that nobody should spend an exorbitant amount on polishing and grinding the crankshaft anymore, and sending it to the workshop. More than 60 machines are sold all over the world.
 |
 |
Our team developed the crankshaft grinding and polishing machine through consistent and focused R&D. We also conducted field trials under various operating conditions.
The company aims to reduce the cost of repairing crankshafts. It also seeks to eliminate the outdated practice of sending crankshafts to workshops. For more information on crankshaft polisher, crankshaft polisher machine, crankshaft polishing tool, crankshaft polisher for sale, polishing crankshaft journals, crankshaft polishing, crankshaft grinding machine, and crankshaft polishing equipment — contact us at rajshahani@rapowersolutions.com or info@rapowersolutions.comCall: +91 9582647131 / +91 9810012383
FAQs:
Yes, RA Power Solutions designed the in-situ crankshaft polishing machine to operate directly inside the engine block through the inspection window. The process eliminates the need to remove the crankshaft. This approach saves both time and cost.
Typically, technicians complete a full in-situ repair—including inspection, setup, grinding, and final polishing—within 24 to 30 hours. The exact time depends on the extent of the damage.
The portable crankshaft polishing machine is suitable for marine engines, power plant generators, compressors, diesel locomotives, construction equipment, and mining machinery. It is also ideal for other heavy-duty engines. The machine works effectively for both land-based and shipboard applications.
The portable polishing machine can service crankshafts with a diameter range from 35 mm to 700 mm. Custom solutions are available for crankshafts up to 1000 mm in diameter.
The machine achieves a surface finish as fine as 0.15–0.2 µm Ra and maintains dimensional tolerances within 0.01 to 0.025 mm, meeting or exceeding OEM standards.
