Onsite Machining Archives - Connecting Rod Repair

In Situ Crankshaft Machining | Insitu Crankpin Grinding | Onsite Machining of Crankshaft

It is generally observed that whenever there is a failure of bearing, it causes serious damage to the crankshaft. The crankpin and main journal develop excessive ovality, deep bearing line marks are observed and in some cases, the impact of failure is so high that it leads to depression/cuts on the crankpin. In this situation, crankshaft needs grinding and polishing.

In Situ Crankpin Machining | Onsite Crankshaft Grinding & Polishing Offered by RA Power Solutions:

In case of failure of the crankshaft, RA Power Solutions undertakes in situ crankshaft grinding and polishing. We have a team of experienced technicians and our response time to an emergency breakdown situation is minimum. All our technicians hold valid Indian CDC and can fly to any destination worldwide in the minimum possible time. Technicians can also sail on the vessel and can undertake the repairs.

The crankshaft is repaired with minimum downtime, as there is no requirement of removal of crankshaft from the engine block. We have in situ crankshaft grinding machine available in the range of 35 mm to 700 mm to cater to the emergency breakdown.

**Inspection of Crankpin on Board a Vessel**

**Onsite Inspection of Crankpin Before Polishing & Grinding**

In Situ Crankshaft Grinding & Polishing | Four-Decade of Experience

It is important that after damage and failure of crankshaft, it is thoroughly inspected by an experienced technician, and all the major parameters are recorded. The planning for the repair is done, and the crankshaft is repaired successfully. We possess the latest and calibrated instrumentation to conduct the pre and final inspection of the crankshaft. The crankshaft grinding equipment used for in situ grinding and polishing is of the latest design with minimum vibration. This facilitates us to maintain generally the tolerance after grinding within 10 to 20 microns and a surface finish of less than 0.2 micrometers in terms of RA value. These tolerances are far better than the tolerances specified by the manufacturer.

**In Situ Crankshaft Grinding & Polishing by Crankshaft Grinding Machine**

In Situ Repair of Crankshaft | Reduce Maintenance Cost

The industries and the shipping companies are well aware of exorbitant rates charged by the few selected companies based in Europe for in situ repair of crankshaft. RA Power Solutions have changed this trend worldwide. Our charges are the most reasonable and lowest in the world with international standards. Our in situ crankshaft repair is cost-effective with minimum downtime and avoids costly replacement.

**Crankshaft Grinding by Experienced Technician**

**Crankshaft Grinding Service on Moving Vessel**

Benefits of In Situ Crankshaft Repair by RA Power Solutions

We have in house team of trained and experienced technicians who can be deputed at your site with in situ crankshaft grinding and polishing machine in minimum time.
We extend 24*7 services worldwide with a guarantee.
More than forty years of experience in crankshaft repair has proven us to be leaders in this field.
Excellent analytical ability because of experience and the use of modern instruments can save your crankshaft from rejection.

We recommend inspection by our technician prior to planning any repair procedure. Most reliable company working for leading industries and shipping companies. References can be provided on request.

For any information on onsite machining, insitu crankpin grinding, on site machining services and onsite machining of crankshaft please email us at rajshahani@rapowersolutions.com or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

**Portable Insitu Crankshaft Grinding Machine**

**Crankpin After Grinding by RA Power Solutions**

It is generally observed that whenever there is a failure of bearing, it causes serious damage to the crankshaft. The crankpin and main journal develop excessive ovality, deep bearing line marks are observed and in some cases, the impact of failure is so high that it leads to depression/cuts on the crankpin. In this situation, … Continue reading “In Situ Crankshaft Machining | Insitu Crankpin Grinding | Onsite Machining of Crankshaft”

In-Situ Crankshaft Grinding Machine | Onsite Crankshaft Machining | Onsite Crankshaft Grinding & Polishing Machine – RA Power Solutions

Crankshaft is a mechanical and important part of the engine that facilitates the performance of a conversion between reciprocating motion and rotational motion. The tolerances of the crankpin and main journal of the crankshaft are generally very close in order to have a longer life and continuous satisfactory performance of the Crankshaft without any damage. It is important that crankshaft tolerances are always maintained strictly as per original tolerances.

RA Power Solutions designs and manufactures insitu crankshaft grinding and polishing machine. The insitu crankshaft machine is of advanced technology which is designed to maintain the crank pin and main journal tolerances in terms of taper, ovality, and surface finish strictly as per the manufacturer’s specifications. There is no need of disassembly /removal of the crankshaft from the entablature. The onsite crankshaft grinding and polishing machine manufactured by RA Power Solutions is available in the range of 35 mm to 700 mm in terms of diameter.

The onsite crankshaft grinding machine is light in weight and can be easily taken to far from places all over the world. The onsite crankshaft grinding and polishing machine has the following features:

Technologically advanced crankshaft machining equipment in comparison to the conventional and old cage-type design, which is outdated.
Onsite crankshaft grinding and polishing machine does not require any reference of radius fillet for machining of the crankpin/main journal of the crankshaft.

Onsite crankshaft grinding and polishing machine frame is made out of titanium steel, which is robust and vibrationless.
With our latest onsite crankshaft grinder, machining of crankshaft up to 700 mm diameter can even be done while sailing the vessel, maintaining the close tolerance.
Onsite crankshaft grinding machine capable of maintaining close tolerance within 0.02 mm and with high surface finish far better than the international standards.
The insitu crankshaft grinding machine manufactured by RA Power Solutions can also be used for cylindrical shaft grinding and polishing and for the repair of the alternator, rotor shaft, pump shaft, intermediate shaft, mid-shaft, and turbine shaft.
Insitu crankshaft grinding and polishing equipment is easy to operate and maintain. It does not require any complicated day-to-day maintenance.
We are giving free training to the client’s technicians for the operation of this latest onsite crankshaft grinding equipment.

The cost of insitu crankshaft machining equipment is low and affordable. Highly recommended for large diesel power plants, shipping companies, and engine repair workshops. Insitu crankshaft grinding equipment is supplied in sturdy steel boxes that can be easily stored and taken from one site to another.

We have sold more than 70 crankshaft grinding machines all over the world including South America, UK, Italy, Nigeria, Singapore, the Philippines, Iran, Dubai, and various countries.

The author of this blog is Mr. Raj Shahani (Managing Director of Company). He has four decades of experience in the field of high-capacity engine repair and grinding of shaft. He has developed an onsite crankshaft grinding machine to make the grinding process easy and less time-consuming. With the development of grinding equipment, now companies can undertake grinding and repair of any rotary shaft themselves saving a huge amount of money and time.

For information regarding onsite crankshaft grinding & polishing machine, on site machining services, onsite crankshaft machining, contact us at rajshahani@rapowersolutions.com or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Crankshaft is a mechanical and important part of the engine that facilitates the performance of a conversion between reciprocating motion and rotational motion. The tolerances of the crankpin and main journal of the crankshaft are generally very close in order to have a longer life and continuous satisfactory performance of the Crankshaft without any damage. … Continue reading “In-Situ Crankshaft Grinding Machine | Onsite Crankshaft Machining | Onsite Crankshaft Grinding & Polishing Machine – RA Power Solutions”

Thread Repair Insert | Crack Repair Engine Block Cover | Onsite Machining – RA Power Solutions

Wartsila 12V32 Engine Block Repair via Onsite Machining

RA Power repairs threads and cracks damaged in accidents. The advantages are:

Conducted Magnetic Particle Inspection (MPI) across the engine block using Level 3 certified technicians to detect cracks.
Performed dimensional measurement of main journal housings to assess taper and ovality.
We carry portable, lightweight machines to the site to repair damaged threads.
The team cut out the damaged block portion completely.
Fabricated a new casting section matching the original Wartsila 12V32 block profile.
Installed the new section using metal stitching and metal locking techniques.
Finalized with onsite machining to restore main journal housing bore dimensions within manufacturer specifications.

Engine Block Repair | Onsite Machining | Crack Repair

Serving the diesel power plants and shipping companies for the last four decades, we observed that in spite of the best maintenance protocols and process followed, accidents do take place. We have the history of repairing seriously damaged engine blocks.

Recently, a Wartsila engine suffered heavy damage on both sides of the block measuring 600 mm × 500 mm. The accident also damaged the main journal housings. A barge with six Wartsila 12V32 units housed the engine.

Why RA Power Solutions Is Your Go-To for Engine Casting Repairs?

Four decades of industry experience, serving diesel power plants and marine clients.
Highly skilled teams capable of delivering on-the-spot repairs, minimizing plant disruptions.
Our methods sidestep destructive heat-based procedures, offering cold, stress-free solutions.
We’ve helped salvage thousands of components through repair methods that avoid needless replacements

For more information on Crack Repair for Engine Block, Thread Repair, contact us at rajshahani@rapowersolutions.com or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

FAQs:

1. Can a cracked engine block be repaired?

Yes, it can be repaired using metal stitching and onsite machining.

2. Is welding safe for engine block crack repair?

No, welding often causes heat stress—metal stitching is safer.

3. How much does engine block crack repair cost?

It’s far more affordable than replacing the entire engine block.

4. Can engine block cracks be fixed without dismantling?

Yes, portable tools allow onsite repair without removal.

When accidents strike—despite the strictest maintenance—threads on engine blocks, turbine casings, and cam blocks often suffer damage, frequently accompanied by cracks around the threaded areas. RA Power Solutions has developed a robust, onsite repair process that restores functionality without dismantling the components. Wartsila 12V32 Engine Block Repair via Onsite Machining RA Power repairs threads and … Continue reading “Thread Repair Insert | Crack Repair Engine Block Cover | Onsite Machining – RA Power Solutions”

Crankshaft Repair at Low Cost In Bangladesh- RA Power Solutions

Crankshaft repair is required in case of following observations:

I) Development of taper and ovality due to continuous running.

II) Seizure of bearing, increase in hardness, and development of crack.

III) Loss of alignment of crankshaft or change in web deflection of crankshaft and many more reasons.

**Damaged Crank Pin of MAN Diesel Engine**

RA Power Solutions Pvt. Ltd. undertakes crankshaft repair in Bangladesh. We have a team of experienced technicians who undertake crankshaft repair onsite. These days, there is no need of remove the crankshaft from the Engine block and send it to the workshop for crankshaft repair.

**Crack Detection of Crankpin Before Grinding**

RA Power Solutions undertakes crankshaft repair, crankshaft grinding, and crankshaft polishing onsite without the removal of the crankshaft from the engine block. The onsite repair of crankshaft not only reduces the downtime but saves considerable costs in terms of removal of crankshaft, packing, transportation, etc. The sending of crankshaft to the workshop now is outdated.

**Crankshaft Repair on Board the Vessel**

RA Power Solutions have facility to undertake onsite crankshaft repair from 50 mm to 700 mm in diameter. Having more than 44 years of experience, we have highly skilled in-house technicians to execute crankshaft repair. We are the most respected and cost-effective company in the Asian region. We also manufacture crankshaft repair machines and crankshaft grinding and polishing machine which is lightweight and easy to operate.

**Crankshaft Grinding of Damaged Crankpin on Board the Vessel**

The range of machine is from 50 mm to 700 mm which is reasonably priced, and we have sold more than 63 machines all over the world. Author of this blog is Raj Shahani, Managing Director of RA Power Solutions Pvt. Ltd. having experience of more than 44 years.

**Crack Detection of Crankpin After Grinding**

Company deals in onsite crankshaft grinding, crankshaft repair, rebabbitting of bearings, metal stitching/metal locking of cast iron, connecting rod repair, etc.

We have been regularly executing onsite crankshaft repair in Bangladesh, Madagascar, Oman, Qatar, Philippines, Bahrain, Sri Lanka, Myanmar, Turkey, Nigeria, Greece, Saudi Arabia, UK, Dubai, Malta, Cyprus, Singapore, Malaysia, Colombia, Iraq, Iran, Dubai, Antigua and Barbuda, Belize, Dominica, Dominican Republic, Netherlands, Belgium South America, Jordan, Ecuador, Singapore, Indonesia, Brazil, Scotland, Italy, UK, South Africa, etc.

For more details contact us at rajshahani@rapowersolutions.com or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383 for more information.

Crankshaft repair is required in case of following observations: I) Development of taper and ovality due to continuous running. II) Seizure of bearing, increase in hardness, and development of crack. III) Loss of alignment of crankshaft or change in web deflection of crankshaft and many more reasons. RA Power Solutions Pvt. Ltd. undertakes crankshaft repair … Continue reading “Crankshaft Repair at Low Cost In Bangladesh- RA Power Solutions”