Crankpin Machining is Required in Case of the Following Damage to the Crankpin

1. Development of excessive taper & ovality on a crankpin.Seizure of crankpin bearingDevelopment of bearing marks and pitting on crankpin.
2. Development of excessive taper & ovality on a Crankpin diameter.
3. Seizure of crankpin bearing.
4. Development of bearing marks and pitting on the crankpin.
5. Due to the above defects, it is necessary to get the Crankpin Machining undertaken.

RA Power Solutions Pvt. Ltd, an easy-to-operate and do-it-yourself crankshaft polishing machine manufacturer, up to 700 mm in diameter.

Reason for periodical polishing of crankpin and main journal:-

1. Leading manufacturers like Wartsila, Daihatsu, Mirrlees Blackstone, Yanmar, Allen, MAK, MAN, B&W, Sulzer, and Caterpillar design their engines with close tolerances in the crank pin and main journal.

2. Generally, the tolerance ranges between 0.02 mm to 0.05 mm.
3. We highly recommend polishing the crankpin and main journal diameters periodically. This process removes line marks and pitting from the journals.
4. Crankshaft polishing improves the surface finish and enhances the life of bearing manifolds.

5. Proper maintenance and precision machining greatly reduce the chances of serious crankshaft accidents or bearing seizure incidents.

6. The high surface finish of the crankpin and main journal after polishing can produce more power, durability, and long-lasting performance of the Engine.
7. The crankshaft polishing results in less noise, vibrations, and friction, and consumes less fuel.
8. Lower emissions are produced.

Due to the above and many other reasons, it is highly recommended to undertake the polishing of the crankpin and main journal periodically at the time of major overhauling or replacement of bearings.

RA Power Solutions Pvt. Ltd. manufactures, for the last forty-five years, revolutionary equipment for the onsite polishing of crankpins without removing the crankshaft from the engine block. The crankshaft polishing machine is manufactured in the range starting from 35 mm to 700 mm in terms of diameter.

RA  Power Solutions has the following features:-

1. The technician inserts the crankshaft polishing machine through the engine block inspection window. It sits directly on the crankpin diameter.
2. There is no requirement for the removal of the crankshaft from the block.
3. The machine supplied in two versions: electrical and pneumatic. This depends on the availability of the facilities on board the vessel or in any industry.
4. Machine is easy to operate, and can reduce the taper and ovality. To improve the surface finish to far better than the international standards.
5. Any technician can easily operate the crankshaft polishing machine. The machine allows them to perform polishing efficiently.

Stop spending high amounts on polishing of crankshaft by calling the specialized companies. It reduces the cost of maintenance by increasing the life of bearings and crankshafts.

We are executing crankshaft grinding repair services in Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, the United Arab Emirates, Vietnam, the UK, the USA, and other countries.

For more information on  Onsite Crankshaft Polishing, crankshaft polishing machine manufacturers, polishing crank journals, crankshaft grinding and polishing, or cylindrical shaft grinding machine. Contact us at rajshahani@rapowersolutions.com or info@rapowersolutions.com or call us at +91 9582647131.

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RA Power Solutions has four decades of experience in the field of in situ crankshaft repair. We have a huge client base from all over the world that includes shipping companies, power plants, fertilizer plants, etc. Knowing the importance of in situ repairs, we introduced the in situ crankshaft grinding and polishing machine four decades ago. This in situ crankshaft grinding and polishing machine can grind the crankshaft without the removal of the Crankshaft from the Engine block. The equipment is portable and compact, it can be inserted from the inspection window of the Engine block.

Crankshaft Polishing Equipment

The in situ crankshaft grinding and polishing machine handles crankshafts with diameters ranging from 30 mm to 700 mm. This equipment allows technicians to grind and polish shafts while maintaining taper, ovality, and surface finish according to the OEM’s standards. Technicians can now perform repairs using this highly advanced machine while the vessel is sailing. This process saves considerable time and money.

In situ crankshaft grinding and crankshaft polishing machine is suitable to grind the crankshaft of any make and model of engine. Our technicians have repaired crankshafts for the following engines onsite:

Wartsila, Daihatsu, Mirrless Blackstone, Yanmar, Allen, MAK, MAN, B&W, Sulzer, Caterpillar, Fiat, Mitsubishi, MTU, Cummins, Deutz, Nohab Polar, Wartsila 12V32, Wartsila 18V32, Pielstick, MAK, Ruston, etc.

We have sold more than 1000 in situ crankshaft grinding and polishing machines worldwide. The clients are still demanding it for a different range of diameters

We are executing crankshaft grinding repair services in Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, United Arab Emirates, Vietnam, UK, USA and other countries.

For more information, Crankshaft Grinding Machine of High Diameter, crankshaft polishing on vessel, and crankshaft polishing equipment, rajshahani@rapowersolutions.com, or info@rapowersolutions.com, call us at +91 9582647131 or +91 9810012383.

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