crankshaft polisher machine Archives

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

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

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”

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

The in situ crankshaft grinding and crankshaft repair machine is a unique invention and is of great assistance to the shipping companies as they can not remove the crankshaft from the vessel and send it to the workshop for repair. Again, the crankshaft grinding machines installed in the workshop are not an ideal solution due to its high cost and lack of know-how to operate. RA Power Solutions manufactures and exports onsite crankshaft grinding and repair machines having a range of 35 mm to 700 mm in terms of the diameter of crankpin and main journal of the crankshaft.

Crankshaft Grinding Machine of Bigger Diameter

Crankshaft Grinding Machine has the following features:

Onsite crankshaft grinding and polishing machine is compact, lightweight, and can be inserted from the inspection window of the engine block.
It is simple in design, easy to operate, and maintain
Crankshaft grinding and polishing machine body is manufactured out of titanium steel having the property of absorbing the vibrations. With the vibration or almost zero vibration machine can also be used for crankshaft grinding and crankshaft repair while sailing of the vessel.
- All parameters and tolerances as recommended by the engine manufacturer can be strictly maintained.
With the use of onsite crankshaft grinding and polishing machine, repair can be done in one setting. Thus saving the time.
This crankshaft grinding and polishing machine is manufactured with a pneumatic or electrical drive depending on the client’s requirement.
On Job training for the operation and maintenance of the crankshaft grinding machine is extended through our experienced technicians.
Crankshaft repair machine is supplied in a toolbox and can be transported all over the world.

**Onsite Crankshaft Grinding & Repair Machine**

We have sold more than 70 crankshaft grinding machines all over the world that includes shipping companies, leading repair workshops and power plants, etc.

The author of the blog is Mr. Raj Shahani, Managing Director of the company. He is having 40 years of experience in solving the major issues related to repair and overhauling of engines, grinding and repair of the crankshaft, and many more related to the high capacity engine.

For more information regarding onsite machining of crankshaft, in situ crankshaft grinding repair, crankshaft grinding machines, onsite crankshaft grinding, and crankshaft polishing equipment, please email us at rajshahani@rapowersolutions.com or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

**Repair of Crankpin by Crankshaft Grinding Machine**

**Onsite Grinding Machine for Small Diameter**

RA Power Solutions manufactures in situ crankshaft grinding and polishing machine. It is a revolutionary, lightweight, easy-to-operate, and compact crankshaft grinding and crankshaft polishing machine which can undertake the repair of crankpins up to the diameter of 700 mm without removing the crankshaft from the engine block. The in situ crankshaft grinding and crankshaft repair … Continue reading “In Situ Crankshaft Grinding Machine | Onsite Crankshaft Grinding & Polishing Machine | Crankshaft Grinder – RA Power Solutions”

Portable Crankshaft Polishing Machine – RA Power Solutions

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.

**Close-Up View of Crankshaft Polishing Machine After Packing**

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:

1. Can the crankshaft be repaired without removing it from the engine?

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.

2. How long does it take to repair a crankpin or main journal?

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.

3. What types of engines can this machine be used on?

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.

4. What is the diameter range this machine can handle?

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.

5. How precise is the machine in terms of finish and tolerance?

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.

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 … Continue reading “Portable Crankshaft Polishing Machine – RA Power Solutions”