in situ grinding crankpins Archives

Insitu Crankshaft Grinding Machine – Crankshaft Repair Tools- RA Power Solutions

In case of failure of crankshaft or bearing on a vessel/stationary power plant it results to extremely high cost for repairs and with long downtime. RA Power Solutions manufactures and exports onsite and insitu crankshaft grinding, and crankshaft grinding machine which saves considerable cost of repair and save time as disassembly of the crankshaft and transport to the workshop is not required.

The insitu crankshaft grinding machine performs and delivers the same quality standards which are achieved by old-designed, conventional bench-type crankshaft grinding machine.

Advantages of using RA Power Solutions Onsite Crankshaft Grinding Machine and Mobile Machine:

The company having more than 44 years of experience in grinding and repair of crankshafts of high-capacity marine and industrial engines and understands the importance of maintaining tolerances as per OEMs.
It is a highly advanced technology grinding machine which is designed to take the stress while machining and polishing of crankshaft, crankpin, and main journal.
Crankshaft Grinding Machine is lightweight and compact and can be easily taken to the site all over the world as accompanied baggage.

Crankshaft Grinding Machine Packed For Dispatch

Crankshaft Grinding Machine Accessories Packed for Dispatch

Customized tooling adapting to all makes of engine and models. Machine available in the range of 60 mm to 700 mm.
Onsite grinding of crankpin and main journal is possible with this grinding tool.
Onsite Crankshaft Machine is easy to operate and training is provided.
Machine body is made from titanium which results to the minimum vibration while in operation. Machines can be used on vessel while sailing.
The machine is designed to undertake onsite repair of crankshaft of all popular model of engines like Yanmar, Wartsila, Daihatsu, Man B&W, Mirrlees Blackstone, Ruston & Caterpillar, etc.

The company has sold more than 200 machines all over the world. It is highly recommended for repair workshops, power plants, shipping, and engineering companies.

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

Grinding of Crankshaft on a Moving Vessel

Grinding of Crankshaft in a Power Plant by Crankshaft Grinder

Grinding of Crankshaft on VBlock by Crankshaft Grinding Machine

Insitu Crankpin Machining | RA Power Solutions

Sulzer Model 6RTA Engine was reported damaged on high sea near Mombasa on transit to Sri Lanka. On investigation, it was observed that the connecting rod bolts got sheared damaging. The lower and upper engine block and three crankpins of the Crankshaft.

A team of RA Power Solutions technicians having experience in undertaking insitu crankpin machining. The team undertaking repair of crack and damaged engine block by metal stitching and metal locking process. It was deputed on board a vessel within a short notice as all of them have a seamen passport.

Repair of Engine Block by Metal Stitching Process

On preliminary examination, multiple cracks on the upper and lower crack cases. The engine block were observed measuring in totality 2900 mm in terms of length. The Three crankpins were damaged developing the taper and ovality are exceeding more than 1 mm. RA Power Solutions team of technicians worked non-stop and executed the repair of crankpins by an onsite crankshaft grinding machine. All pins were undersized to 1.5 mm due to the damage.

Crankpin After Grinding by Crankshaft Grinding Machine

The engine block cracks were repaired by metal locking and stitching process. The complete job was executed within 68 hours. The hard work, knowledge, experience, and sincerity of technicians have been very much appreciated by the owners. This achievement was possible due to RA Power Solutions having the latest design of equipment, and experienced technicians having Indian CDC.

For more information on Insitu Crankpin Machining, crankpin machining, metal locking and metal stitching process please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Insitu Grinding of Crankshaft | Insitu Crankshaft Machining – 45 Years of Expertise

Insitu grinding of crankshaft and polishing is offered by RA Power Solutions Pvt. Ltd. for last more than 4 decades. Our experienced technicians reach a site in the minimum possible time with the Insitu crankshaft grinding machine and undertake crankshaft repair without removing the crankshaft from the main engine.

Insitu Crankshaft Grinding in Process — **Grinding of crankshaft**

Onsite Crankshaft Grinding Machine Ready for Dispatch

The Insitu Crankshaft Grinding Repair is undertaken by a lightweight portable In situ crankshaft grinding machine which is operated pneumatically. The equipment is of the latest design and is capable to maintain a close tolerance within 20 to 30 microns in terms of taper and ovality.

Onsite crankshaft grinding can also be undertaken while the vessel is sailing. This is possible due to continuous research and development done by our engineers to minimize the vibrations while the vessel is sailing. Our technicians hold valid seamen books and can sail if required. The time required for repair that involves crank pin grinding and polishing of crankshaft is minimum due to the latest design of our crankshaft grinding equipment executed by experienced technicians.

We can undertake grinding and polishing of crankshafts up to 700 mm diameter and have executed more than 10,000 repairs in our 36 years of experience worldwide. RA Power Solutions specializes in providing top-notch crankshaft machining in situ services.

The author of this blog is Raj Shahani, Managing Director of RA Power Solutions Pvt. Ltd. He has been working on crankshafts for 45 years. The author had his training with leading crankshaft manufacturers like CKD Skoda in Pilsener Czech Republic, Sidenor in Spain, National Forge in Germany, etc.

For more updates on Insitu Crankshaft Grinding Repair, on site crankshaft grinding, grinding of crankshaft, in situ crankshaft grinding repair, onsite crankshaft machining, and crankshaft machining in situ email info@rapowersolutions.com, rajshahani@rapowersolutions.com or call us at +91 9582647131 or +91 9810012383.