Onsite Crankshaft Grinding Machines – Worldwide Supplier

Onsite crankshaft grinding machine is a specialised machine that is used to manufacture, repair, and recondition crankshafts on site. The engine’s backbone is the crankshaft, which converts piston motion into rotation. Consequently, its precision is essential. Crankshafts can develop surface imperfections, erosion, or scoring over time. Through the restoration of engines to their exact proportions with a faultless finish, our machine guarantees their dependability and efficiency.

RA Power Solutions is emerging as a worldwide supplier of such machines, enabling engine and repair shops, power plants, and marine operators to carry out crankshaft repairs without removing them from the engine block.

Crankshaft Grinding Machine Ready for Dispatch
Crankshaft Grinding Machine Ready for Dispatch

Important Features:

  • A finish that meets international standards is achieved through high-precision grinding, which maintains strict tolerances of less than 10 microns.
  • It is portable and lightweight, allowing for immediate on site crankshaft maintenance at the designated location.

User-Friendly:

  • This device is suitable for both novice and seasoned technicians, as it is designed to be low-maintenance and trouble-free.
  • A Wide Range of Applications: It is suitable for marine engines, power plants, and heavy industrial apparatus, as it does not necessitate disassembly.

Applications:

  • Marine Industry: Large ship engines can be repaired on site without the need for removal.
  • The crankshafts of diesel generators function effectively in power facilities.
  • Heavy engineering is suitable for the construction of buildings, mining, and industrial machinery.

Benefits:

  • Restoring crankshafts rather than replacing them with costly alternatives results in cost savings.
  • Increased Engine Life: Prevents deterioration and extends the lifespan of the engine.
  • The advantage of onsite repair is that it eliminates the necessity of transporting large engines to workshops.
  • Enhanced Performance: Ensures a smoother operation, reduced fuel consumption, and reduced friction.
  • Time-saving: Restoration can be completed more rapidly than the process of obtaining new materials.
Bushes Used in Crankshaft Grinding Machine
Bushes Used in Crankshaft Grinding Machine
Crankshaft Grinding Machine for Big Diameter
Crankshaft Grinding Machine for Big Diameter

Global Presence:

Over 200 Onsite Crankshaft Grinding Machines and crankshaft grinding and polishing equipment have been supplied globally by RA Power Solutions. Our apparatus is utilised in the following regions:

  • Asia: India, Saudi Arabia, the United Arab Emirates, Indonesia, Sri Lanka, and Bangladesh
  • Africa: Burkina Faso, Tanzania, Ghana, Kenya, Egypt, South Africa, and Nigeria
  • Greece, Turkey, Italy, Germany, the United Kingdom, and the Netherlands comprise Europe.
  • Americas: the United States, Canada, Mexico, and Brazil
  • Oceania comprises Australia and New Zealand.

We are committed to enhancing the profitability of transportation companies, repair shops, power plants, and heavy industries by reducing costs, minimizing downtime, and expanding our global presence.

Packing in Progress Insitu Crankshaft Grinding Machine
Crankpin Grinding Machine

For additional information about the Onsite Crankshaft Grinding Machines, Onsite Crankshaft Grinding Equipment. Please contact us at rajshahani@rapowersolutions.com, info@rapowersolutions.com, or +91 9582647131 or +91 9810012383.

FAQs:

Q1. What is onsite crankshaft grinding, and how does it work?

Onsite crankshaft grinding (in situ grinding) is a process where damaged crankpins or main journals are repaired using portable grinding machines directly at the site, without dismantling the engine.

Q2. What are the benefits of using an onsite crankshaft grinding machine?

The key benefits include reduced downtime, lower repair costs, elimination of transportation hassles, precision repairs meeting OEM standards, and extended crankshaft life.

Q3. Which industries use onsite crankshaft grinding machines?

These machines are widely used in marine, power plants, diesel generator sets, offshore platforms, heavy engineering, and industrial plants where large engines are in operation.

Q4. What crankshaft sizes can be repaired using portable grinding machines?

RA Power Solutions machines can handle a wide range of crankshaft diameters, from small engines to large marine and industrial engines, with high accuracy.

Q5. Does RA Power Solutions provide worldwide supply and training for these machines?

Yes, RA Power Solutions supplies crankshaft grinding machines globally and provides operator training to ensure easy and efficient use at any site.

Onsite crankshaft grinding machine is a specialised machine that is used to manufacture, repair, and recondition crankshafts on site. The engine’s backbone is the crankshaft, which converts piston motion into rotation. Consequently, its precision is essential. Crankshafts can develop surface imperfections, erosion, or scoring over time. Through the restoration of engines to their exact proportions … Continue reading “Onsite Crankshaft Grinding Machines – Worldwide Supplier”

Onsite Crankshaft Grinding and Repair Services

When it comes to maintaining heavy-duty machinery, engine performance and reliability are crucial. At the core of every engine lies the crankshaft, a component that demands precise maintenance to ensure consistent operation. Traditionally, repairing a damaged crankshaft required complete disassembly and transportation to a workshop, resulting in extended downtime and high costs. Fortunately, modern advancements have introduced in situ crankshaft grinding machines, making it possible to perform repairs directly at the site, eliminating the need for dismantling.

Overview of onsite crankshaft grinding and repair

Understanding In Situ Crankshaft Grinding Machines

In situ crankshaft grinding machines are specialized tools designed to repair and restore crankshafts directly within the engine assembly. These machines eliminate the need to remove the crankshaft from the engine block, thereby reducing downtime and associated costs. They are particularly beneficial in situations where only one or two crank pins are damaged, making it uneconomical to send the entire crankshaft to a distant workshop.

crankshaft grinding and polishing under process

Advantages of On Site Crankshaft Repair

  • Reduced Downtime: The ability to conduct onsite crankshaft repair means equipment can be restored swiftly without disassembly or transport.
  • Cost Savings: Avoids the need for dismantling and shipping large engine components.
  • OEM Compliance: Advanced in situ crankshaft repair services meet or exceed original equipment manufacturer (OEM) specifications.
  • Versatility: Suitable for onsite crankpin repair, crankshaft polishing services, and full crankshaft repair onsite.

Why Choose Onsite and In Situ Crankshaft Machining?

  • Quick turnaround time
  • No transportation of heavy engine blocks
  • Consistent results with minimal vibration
  • Services like in situ crankshaft grinding repair and on site crankshaft machining are available globally.

This method also supports in situ crankshaft machining and in situ crankshaft repair for engines that have suffered wear, ovality, scoring, or bearing failures.

Inspection of the crankpin before grinding

Why Choose RA Power Solutions

RA Power Solutions stands out as a leader in the field of in situ crankshaft grinding, offering comprehensive onsite crankshaft repair services globally. With decades of expertise, state-of-the-art equipment, and a team of highly skilled technicians, RA Power Solutions ensures minimal downtime and OEM-standard accuracy in every crankshaft repair. Whether it’s onsite crankshaft grinding, insitu machining & polishing of crankshaft, or urgent crankpin repair.

Crankpin after grinding and polishing
Crankpin after grinding

For more details of the Insitu Crankshaft Grinding Services, In Situ Crankshaft Grinding, or email us at info@rapowersolutions.com, Call at +91-9582647131,+91 9810012383.

When it comes to maintaining heavy-duty machinery, engine performance and reliability are crucial. At the core of every engine lies the crankshaft, a component that demands precise maintenance to ensure consistent operation. Traditionally, repairing a damaged crankshaft required complete disassembly and transportation to a workshop, resulting in extended downtime and high costs. Fortunately, modern advancements … Continue reading “Onsite Crankshaft Grinding and Repair Services”

On Site Crankshaft Repair of HIMSEN HYUNDAI 6H 17/28 | Turkey

RA Power Solutions successfully repaired the Crankshaft of Himsen Hyundai 6H17/28 engine at MIP Mersin, Turkey. The engine, owned by an Italian company, experienced a major breakdown due to a failure in one of its auxiliary engines.

RA Power Solutions promptly deployed two skilled technicians equipped with onsite crankshaft grinding tools. The repair was efficiently conducted while the vessel remained anchored at MIP Mersin, ensuring minimal downtime and reliable restoration of the engine.

Following are the major Engine and Crankpin details:

S. No.Engine and Crankpin Details
1.Engine MakeHIMSEN HYUNDAI
2.Engine Model6H 17/28
3.Crankpin Diameter Standard175.00MM
4.Crankpin Bearing Width60.00 MM
5.Place of Execution of Grinding of CrankpinMIP Mersin, Turkey
6.Name of Shipping CompanyReputed Company from Italy

Key Observations of the Crankshaft:

Visual Inspection Findings:
(i) The breakdown was caused by the failure of the lubricating oil pump, resulting in damage to all connecting rod bearings.
(ii) Bearing material was embedded on all six crankpins and was meticulously removed.
(iii) Dimensional inspection conducted after polishing revealed taper and ovality measurements ranging from 0.22 mm to 0.86 mm.

MPI Test Before Crankshaft Grinding and Repair
MPI Test Before Crankshaft Grinding and Repair

HIMSEN HYUNDAI 6H 17 28 Before Grinding and Polishing
HIMSEN HYUNDAI 6H 17 28 Before Grinding and Polishing

The Dimensional Inspection Report of Six (6) Number Crankpins of HIMSEN HYUNDAI 6H 17/28:

SIZE OF CR PINS BEFORE REPAIR
AAaCCcBBbMinSTDOvality
CR-1 174.74174.85174.62174.73174.66174.88174.62175.000.38MM
CR-2  174.83174.92174.80174.78174.83174.93174.78175.000.22MM
CR-3  174.70174.90174.55174.69174.48174.54174.48175.000.52MM
CR-4  174.78174.88174.79174.72174.79174.92174.72175.000.28MM
CR-5  174.78174.88174.76174.92174.72174.78174.72175.000.28MM
CR-6  174.22174.80174.14174.78174.37174.85174.14175.000.86MM

(iv) Hardness testing indicated acceptable levels overall, with minor exceptions in a few areas, which were assessed as non-critical.
(vi) Magnetic Particle Inspection (MPI) revealed minor hairline cracks, while all other parameters remained within acceptable limits.

MPI Test of HIMSEN HYUNDAI 6H 17 28
MPI Test of HIMSEN HYUNDAI 6H 17 28 Before Grinding

Actions Taken by RA Power Solutions Technicians:

1. The grinding of all six (6) crankpins was undertaken by our insitu crankshaft grinding machine.
2.  Three (3) number of crankpins diameter was reduced by 1.00 MM and the final size was maintained as 174.00 MM.
3. Three (3) number of crankpins diameter was reduced by 1.50 MM and the final size was maintained at 173.50 MM.

Final Report After Grinding is Pasted Below:

SIZE OF CR PINS AFTER REPAIR
AAaCCcBBbMinU/SOvality
CR-1173.48173.49173.49173.48173.50173.50173.48173.500.02MM
CR-2173.98173.99174.00173.99173.98173.99173.98174.000.02MM
CR-3173.49173.50173.50173.48173.49173.50173.48173.500.02MM
CR-4173.98173.99173.98174.00173.98174.00173.98174.000.02MM
CR-5173.99173.99173.98174.00173.98173.99173.98174.000.02MM
CR-6173.48173.49173.49173.50173.50173.48173.48173.500.02MM


We ensure all six crankpins are maintained with a stringent tolerance of 0.02 mm, delivering exceptional accuracy and optimal performance in every project.

Global Expertise in Crankshaft Repair
RA Power Solutions is a global leader in onsite crankshaft repair and grinding services. With extensive experience, we have successfully completed projects across the globe, including Dubai, Fujairah, Qatar, Saudi Arabia, Oman, Iraq, Togo, Malta, Freetown, Egypt, Malaysia, Iran, Indonesia, Vietnam, Jordan, and many other locations.

CR Pin After Grinding of HIMSEN HYUNDAI
CR Pin After Grinding of HIMSEN HYUNDAI

Our highly skilled technicians are available 24/7 and can be deployed at short notice. Many of our team members hold valid US visas, allowing us to serve clients in South America, the Caribbean, and other regions efficiently.

Get in Touch for Professional Crankshaft Services:
Email:
rajshahani@rapowersolutions.com | info@rapowersolutions.com
Phone: +91 9582647131 | +91 9810012383.

FAQs

1. What is onsite crankshaft repair for HIMSEN HYUNDAI 6H 17/28 engines?

Onsite crankshaft repair for HIMSEN HYUNDAI 6H 17/28 engines by RA Power Solutions involves in-situ grinding and polishing of crankpins and main journals without shaft removal. This saves downtime, avoids disassembly, and restores crankshaft dimensions as per OEM standards.

2. How is crankshaft grinding performed on ships in Turkey?

RA Power Solutions performs crankshaft grinding on ships in Turkey using portable, high-precision equipment. The process includes inspection, in-situ grinding, and polishing of crankpins or main journals, all done onboard without shaft removal, ensuring minimal downtime and cost.

3. What are the benefits of in situ crankshaft repair on HIMSEN engines?

In-situ crankshaft repair on HIMSEN engines by RA Power Solutions reduces downtime, eliminates the need for shaft removal, and avoids costly dismantling and transport. It ensures fast, cost-effective restoration of crankpins or main journals to OEM specifications onboard the vessel.

RA Power Solutions successfully repaired the Crankshaft of Himsen Hyundai 6H17/28 engine at MIP Mersin, Turkey. The engine, owned by an Italian company, experienced a major breakdown due to a failure in one of its auxiliary engines. RA Power Solutions promptly deployed two skilled technicians equipped with onsite crankshaft grinding tools. The repair was efficiently … Continue reading “On Site Crankshaft Repair of HIMSEN HYUNDAI 6H 17/28 | Turkey”

Grinding of Crankshaft by RA Power Solutions | Oman

A vessel sailing near Oman reported a serious breakdown of the auxiliary engine of the Yanmar model 6N18AL. The RA Power Solutions team, which is always ready for emergency response, left for Oman and conducted a detailed inspection of the engine. It was observed that crankpin no. 4 bearing seized, resulting in the damage of CR pin no. 4. All other crankpins also developed ovality to the extent of a maximum of 0.20 mm.

Damaged Crankpin of Yanmar Engine
Damaged Crankpin of Yanmar Engine
Crack Detection Test of Crankpin
Crack Detection Test of Crankpin

RA Power Solutions serves clients all over the world. The expert team of crankshaft grinding technicians can undertake the grinding of crankshafts up to 700 mm.

Unmatched Capability & Reach

  • Global presence: We offer comprehensive services, including crankshaft repair, overhauling, and maintenance for high-capacity diesel engines across the globe
  • Capacity: Capable of handling crankshaft diameters up to 700 mm
  • Proven trust: With over 11,000 crankshaft repairs completed to date, our commitment to quality speaks through our reputation
Crankpin Grinding by Onsite Crankshaft Grinding Machine
Crankpin Grinding by Onsite Crankshaft Grinding Machine

All the parameters like taper, ovality, surface finish, etc., after onsite crankshaft grinding are maintained strictly as per the manufacturer’s specifications. RA Power Solutions undertakes all the jobs related to repair, maintenance, and overhauling of high-capacity diesel engines and diesel generating sets onsite all over the world. RA Power Solutions has repaired more than 11,000 crankshafts. The industry respects our strong commitment to quality and service.

For more information about our services for crankshaft grinding machine for engine repair, crankshaft grinding machine supplier, in situ machining crankshaft repair, onsite crankshaft machining and polishing, onsite crankshaft machining service, grinding of crankshaft, and crankshaft repair, please email us at rajshahani@rapowersolutions.com or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

FAQs:

Q1: What is in-situ crankshaft grinding?

A: Repairing the crankshaft without removing it from the engine to save time and costs.

Q2: What crankshaft sizes can you handle?

A: We repair crankshafts up to 700 mm in diameter.

Q3: Can repairs done while the vessel is sailing?

A: Yes, our portable machines allow grinding at sea.

Q4: Which engines do you service?

A: We work on Daihatsu, Yanmar, Wartsila, MAN B&W, Caterpillar, Cummins, and more.

Q5: Are you certified?

A: Yes, we are ISO 9001:2015 and ISO 14001:2015 certified.

A vessel sailing near Oman reported a serious breakdown of the auxiliary engine of the Yanmar model 6N18AL. The RA Power Solutions team, which is always ready for emergency response, left for Oman and conducted a detailed inspection of the engine. It was observed that crankpin no. 4 bearing seized, resulting in the damage of … Continue reading “Grinding of Crankshaft by RA Power Solutions | Oman”