R. A. Power Solutions Private Limited
R. A. Power Solutions Private Limited
Sector 49, Gurgaon, Haryana
GST No. 06AADCR3779H1Z4
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Crankshaft Grinding Machine Supplier

R.A.Power Solutions Private Limited are Suppliers and Manufacturers of Crankshaft Grinding Machine.We have capability to undertake crankshaft repair, crankshaft grinding, grinding of main journal and crank pin grinding on board the vessel while it is sailing. We also manufacture and sell onsite crankshaft grinding machines capacity ranging from 35 mm to 700 mm. More than 70 machines have been exported all over the world.

Portable Crankshaft Grinder

Portable Crankshaft Grinder
  • Portable Crankshaft Grinder
  • Portable Crankshaft Grinder
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Approx. Price: Rs 10 Lakh / OnwardsGet Latest Price

Product Details:

BrandRA Power Solutions
Model Name/NumberRA Power Solutions
Swing Over TableStandard
Maximum Grinding Diameter700 mm
Max. Grinding LengthStandard
Grinding Wheel SizeStandard
Max Grinding Diameter (Outer)700 mm
Min Grinding Diameter (Outer)35 mm
Max Grinding Diameter (Inner)Standard
Min Grinding Diameter (Inner)standard
Max. Weight Of Job Between CentersStandard
Minimum Usable Size Of Grinding Wheel(Od)Standard
Spindle SpeedStandard
Country of OriginMade in India

RA Power Solutions supply portable crankshaft grinding machine which is easy to carry to site. We also provide training to the technicians to execute crankshaft grinding and crankshaft polishing. We supply portable crankshaft grinding machine which is easy to carry to site. We also provide training to the technicians to execute crankshaft grinding and crankshaft polishing.
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Portable Crankshaft Grinder

Portable Crankshaft Grinder
  • Portable Crankshaft Grinder
  • Portable Crankshaft Grinder
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Approx. Price: Rs 10 Lakh / OnwardsGet Latest Price

Product Details:

BrandRA Power Solutions
Model Name/NumberRA Power Solutions
Swing Over TableStandard
Maximum Grinding Diameter700 mm
Max. Grinding LengthStandard
Grinding Wheel SizeStandard
Max Grinding Diameter (Outer)700 mm
Min Grinding Diameter (Outer)35 mm
Max Grinding Diameter (Inner)Standard
Min Grinding Diameter (Inner)standard
Max. Weight Of Job Between CentersStandard
Minimum Usable Size Of Grinding Wheel(Od)Standard
Spindle SpeedStandard
Spindle Motor PowerStandard
Country of OriginMade in India

RA Power Solutions supply insitu crankshaft grinding machine which is easy to carry to site. We also provide training to the technicians to execute crankshaft grinding and crankshaft polishing. We supply portable crankshaft grinding machine which is easy to carry to site. We also provide training to the technicians to execute crankshaft grinding and crankshaft polishing.

The crankshaft grinding machine is simple to operate and is competitively priced. We have supplied more than 70 portable crankshaft grinding machine all over the world.
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Crankshaft Grinding Machine

Crankshaft Grinding Machine
  • Crankshaft Grinding Machine
  • Crankshaft Grinding Machine
  • Crankshaft Grinding Machine
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Approx. Price: Rs 10 Lakh / OnwardsGet Latest Price

Product Details:

Maximum Grinding Diameter700 mm
Max. Grinding LengthStandard
Grinding Wheel SizeStandard
Max Grinding Diameter (Outer)700 mm
Min Grinding Diameter (Outer)35 mm
Max Grinding Diameter (Inner)Standard
Country of OriginMade in India

Revolutionary design, minimum vibration crankshaft grinding machine is capable to undertake onsite grinding of crankshaft, rotor shaft, turbine shaft, alternator shaft, pump shaft.

Crankshaft Grinding Machine is supplied all over the world including countries like Singapore, Malaysia, Colombia, Indonesia, Hong Kong, Spain, Netherlands, Dubai, Portugal, Estonia, Morocco, Belgium, Vietnam, Canada.
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On Site Crankshaft Grinding Machine

On Site Crankshaft Grinding Machine
  • On Site Crankshaft Grinding Machine
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Approx. Price: Rs 1.5 Lakh / onwardsGet Latest Price

Product Details:

BrandRA Power Solutions
Model Name/NumberRA Power Solutions
Maximum Grinding Diameter700 mm
Max. Grinding LengthStandard
Grinding Wheel SizeStandard
Max Grinding Diameter (Outer)700 mm
Min Grinding Diameter (Outer)35 mm
Max Grinding Diameter (Inner)Standard
Min Grinding Diameter (Inner)Standard
Max. Weight Of Job Between CentersStandard
Minimum Usable Size Of Grinding Wheel(Od)Standard
Spindle SpeedStandard
Spindle Motor PowerStandard
Country of OriginMade in India

: Revolutionary, portable and easy to operate onsite crankshaft grinding machine is manufactured up to 700 mm. No need of sending the crankshaft to the workshop for repair. The crankshaft grinding machine is designed to undertake grinding of crank shaft without removing of crankshaft from the engine block. Crankshaft grinding machine is low in price and is highly recommended for repair workshop, power plants and shipping companies.
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On Site Crank Shaft Grinding Machine

On Site Crank Shaft Grinding Machine
  • On Site Crank Shaft Grinding Machine
  • On Site Crank Shaft Grinding Machine
  • On Site Crank Shaft Grinding Machine
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Approx. Price: Rs 10 Lakh / onwardsGet Latest Price

Product Details:

Maximum Grinding Diameter700 mm
Max. Grinding LengthStandard
Grinding Wheel SizeStandard
Max Grinding Diameter (Outer)700 mm
Min Grinding Diameter (Outer)35 mm
Max Grinding Diameter (Inner)Standard

RA Power Solutions manufacture and supply onsite crankshaft grinding machine to undertake insitu grinding of crankshaft, alternator shaft, turbine shaft, etc. The insitu crankshaft grinding is undertaken by our experienced technicians all over the world. In process of onsite crankshaft grinding we can maintain the CR and maintain journal sizes within twenty microns. The crankshaft grinding machine is light weight, easy to operate and low on price.

Crankshaft Grinding Machine is supplied all over the world including countries like Madagascar, Oman, Qatar, Philippines, Bahrain, Srilanka, Bangladesh, Myanmar, Turkey, Nigeria, Greece, Saudi Arabia, UK, Dubai, Malta, Cyprus.
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Onsite Crankshaft Repair Machine

Onsite Crankshaft Repair Machine
  • Onsite Crankshaft Repair Machine
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Product Details:

Service LocationAll over the world
PowerPneumatic
MaterialHeavy Duty
Usage/ApplicationIndustrial
Crankshaft Engine TypeRotor shaft, Alternator Shaft, Crankshaft, Intermediate Shaft and all rotating shaft
Mode Of RepairingGrinding and Polishing of Crankshaft
Service ChargesYes
Product Under WarrantyYes
Country of OriginMade in India

Onsite crankshaft and onsite crankshaft polishing is getting popular as it is difficult to remove the crankshaft and send it to the workshop for repairs. RA Power Solutions manufactures onsite crankshaft repair machine which is easy to operate. The crankshaft repair machine is portable and can be taken to any site all over the world to execute the crankshaft repair. The crankpin and main journal grinding and polishing can be undertaken with this crankshaft repair machine.

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Crankshaft Grinding Machine

Crankshaft Grinding Machine
  • Crankshaft Grinding Machine
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Product Details:

BrandRA Power Solutions
Model Name/NumberRA Power Solutions
Swing Over TableStandard
Maximum Grinding Diameter700 mm
Max. Grinding LengthStandard
Grinding Wheel SizeStandard
Max Grinding Diameter (Outer)700 mm
Min Grinding Diameter (Outer)35 mm
Max Grinding Diameter (Inner)Standard
Min Grinding Diameter (Inner)standard
Max. Weight Of Job Between CentersStandard
Minimum Usable Size Of Grinding Wheel(Od)Standard
Spindle SpeedStandard
Spindle Motor PowerStandard
Rapid ApproachStandard
Country of OriginMade in India

The bench type crankshaft grinding machine is outdated. With the change of time, it is now possible to undertake grinding and polishing of crankshaft or any cylindrical shaft onsite. RA Power Solutions Pvt. Ltd. manufactures crankshaft grinding machine upto 700 mm diameter. The machine is easy to operate and can be used by the end users. The crankshaft grinding machine is popular with shipping companies, diesel power plants, industries, repair workshops etc. The cost of the machine is low.

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Additional Information:

  • Delivery Time: 5-6 weeks
  • Packaging Details: as per dimensions
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Crankshaft Machining Equipment

Crankshaft Machining Equipment
  • Crankshaft Machining Equipment
  • Crankshaft Machining Equipment
  • Crankshaft Machining Equipment
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Product Details:

BrandRA Power Solutions
Model Name/NumberRA Power Solutions
Swing Over TableStandard
Maximum Grinding Diameter700 mm
Max. Grinding LengthStandard
Grinding Wheel SizeStandard
Max Grinding Diameter (Outer)700 mm
Min Grinding Diameter (Outer)35 mm
Max Grinding Diameter (Inner)Standard
Min Grinding Diameter (Inner)standard

We design and manufacture crankshaft machining equipment which can undertake grinding and polishing of crankpin and main journal diameter ranging from 35 mm to 700 mm.

The crankshaft machining equipment has following advantages:-

 

  • Machine is capable of undertaking grinding of crankpin, main journal, rotor shaft, turbine shaft and any Cylindrical shaft upto diameter of 700 mm.
  • Crankshaft machining equipment can undertake polishing for removal of bearing linemarks, pitting and can enhance the surface finish better than the international standards of 20 RA value.
  • Crankshaft grinding machine is supplied completely in all respects ready to use on arrival at site.
  • You don’t need an expert to undertake the repair of the crankpin and main journal of crankshaft anymore. The concept of calling a specialist is now outdated.
  • We promote the “Do it Yourself” concept for crankshaft grinding and crankshaft polishing.

 

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Crankshaft Repair Machine Manufacturer

Crankshaft Repair Machine Manufacturer
  • Crankshaft Repair Machine Manufacturer
  • Crankshaft Repair Machine Manufacturer
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Product Details:

BrandRA Power Solutions
Model Name/NumberRA Power Solutions
Maximum Grinding Diameter700 mm
Max. Grinding LengthStandard
Grinding Wheel SizeStandard
Max Grinding Diameter (Outer)700 mm
Min Grinding Diameter (Outer)35 mm
Max Grinding Diameter (Inner)Standard
Min Grinding Diameter (Inner)standard
Max. Weight Of Job Between CentersStandard
Minimum Usable Size Of Grinding Wheel(Od)Standard
Spindle SpeedStandard

Gone are the days when it was required to remove the crankshaft and send it to the designated workshop for repair, grinding and polishing. With the introduction of insitu crankshaft grinding machine, it is possible to undertake crankshaft repair, grinding and polishing onsite without disassembly of engine and removal of the crankshaft from the engine. This results to the considerable saving and reduces downtime.

Crankshaft Repair Machine has following advantages:-

  • Grinding and polishing of crankpin and main journal is possible maintaining the tolerances as per the manufacturer’s requirement.
  • Only polishing of crankpin and main journal can be undertaken to enhance the surface finish which increases the life of bearing and avoids any breakdown.
  • Insitu crankshaft grinding machine is easy to operate.
  • One week training is enough to understand the operation of crankshaft grinding machine.
  • Machine priced very low and is highly recommended for diesel power plants, repair workshops, shipping companies etc.
  • More than 70 machines all over the world have been sold.
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Crankshaft Grinding Machine for Onsite Repair

Crankshaft Grinding Machine for Onsite Repair
  • Crankshaft Grinding Machine for Onsite Repair
  • Crankshaft Grinding Machine for Onsite Repair
  • Crankshaft Grinding Machine for Onsite Repair
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Are you still using the old and outdated technology of sending the crankshaft of compressor, diesel engine forging press and rotatory equipments to the workshop for repairs. RA Power Solutions have introduced a revolutionary, state of art on site crankshaft grinding machine which can undertake grinding of all type of cylindrical or crankshafts diameter ranging from 30 mm to 700 mm. Portable crankshaft grinding machines are manufactured in technical collaboration with a leading company based in Italy. More than 70 crankshaft grinding machines have been sold all over the world. The cost of on site crankshaft grinding machine is low and is used by shipping companies, power plants, oil and natural gas establishments etc all over the world.
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Crankshaft Grinders

Crankshaft Grinders
  • Crankshaft Grinders
  • Crankshaft Grinders
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With the change in  technology for repair of crankshaft, now it is possible to undertake the crank repair on site without dis assembly of the compressor, engine, forging equipment or any rotatory equipment. We manufacture crankshaft grinders which are portable and can be taken to the site for repair of the crankshaft. Our present range of manufacturing of crankshaft grinders is from 30 mm to 700. There is absolutely no requirement of removing the crankshaft from the compressor block and sending it to the workshop for repairs.

Our engineers are factory-trained and come to your plant and repair the crankshaft. Training on operation of crankshaft grinders manufactured by us is extended all over the world.

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Crankshaft Grinder Machine Manufacturers and Exporters

Crankshaft Grinder Machine Manufacturers and Exporters
  • Crankshaft Grinder Machine Manufacturers and Exporters
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In olden times, bench type CNC crankshaft grinding machines were used for grinding of journals and crankpins of crankshaft to remove the material and to refurbish them in case of accidents or wear and tear due to continuous running.  The crankshaft of the medium and high capacity engines has an important role to play in transmission of power and for satisfactory performance of engine.


DISADVANTAGE OF CNC CRANKSHAFT GRINDING MACHINE BENCH TYPE FOR REPAIR AND GRINDING OF CRANKSHAFT:-

·         The main disadvantage of installing a CNC crankshaft grinding machine is that it needs a heavy workshop with all amenities.

·         The crankshaft is to be removed from the engine block, properly packed and transported to the workshop where the crankshaft grinding machine is installed.

·         This whole exercise is not only expensive but takes a lot of time.

·         In case of ships, it is rather impossible to remove the crankshaft of the main and auxiliary engine and send it to the workshop.


ADVANTAGE OF HAVING ONSITE PORTABLE CRANKSHAFT GRINDER:-

·         The main and foremost advantage of onsite portable crankshaft grinder is that the grinding machine can be taken to any site all over the world including on vessels.

·         There is absolutely no requirement of removal of the crankshaft from the engine block which requires special attention of engine manufacturer engineers to disassemble the engine.

 

MANUFACTURING, EXPORT AND TRAINING OF ONSITE CRANKSHAFT GRINDER MACHINE:-

·         RA Power Solutions with 41 years of experience in extending engine repair services including repair of crankshaft have introduced the portable crankshaft grinder which is light-weight and can be taken to the site easily as an accompanied Babbage by air.  

·         Presently, the onsite crankshaft grinders are manufactured in the range starting from 35 mm to 700 mm, we are working on the development of crankshaft grinder upto 1000 mm which will be launched in the international market shortly.


COST OF ONSITE CRANKSHAFT GRINDER MACHINE:-

·         The cost of onsite crankshaft grinder machines is negligible in comparison to the CNC bench type crankshaft grinding machines which are installed in the workshops.

·         We have sold all over the world insitu portable crankshaft grinding machines number exceeding 70.

·         Our present clients are from the field of shipping companies, power plants, heavy industries are using the crankshaft and cylindrical grinders.


We provide crankshaft grinder machines in countries like Australia, Bangladesh, Cambodia, Chinese Mainland, Hong Kong , Indonesia, etc

 

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Engine Crankshaft Grinding Machine and Crankshaft Polisher Machine

Engine Crankshaft Grinding Machine and Crankshaft Polisher Machine
  • Engine Crankshaft Grinding Machine and Crankshaft Polisher Machine
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All the reciprocating equipments having crankshaft or different types of cylindrical shafts require grinding and polishing after continues running.

In case of heavy equipment, it is not practical to remove the shaft and send it to the workshop for repairs.  Infact, there are number of countries who do not have the facilities for inspection and machining of heavy duty shafts including engine crankshafts. The companies are left with only two options, one is to either reject the shaft and replace it with a new one or send the shaft to the third country for repairs. Both the options are not only expensive but are time consuming which no industry can afford.


Introduction of onsite machining and polishing machine by RA Power solutions:-
 


RA Power Solutions has a background in working on engine crankshaft, rotor, alternator, turbine and cylindrical shafts repair for more than 41 years. During our service to the industry in remote places, we felt the necessity of designing, developing and manufacturing of onsite machining and polishing machine. Two decades back, we introduced the onsite crankshaft and cylindrical shaft grinding machines, we kept on improving the design, metallurgy and structure of the machine all these years.

We can confidently say that a crankshaft polishing tool or crankshaft polisher machine developed and manufactured by us is the best in terms of maintaining the tolerances in the world. 


Advantages of crankshaft polisher tool or machine:-

  • Presently, the onsite crankshaft polisher machine is available upto the diameter of 700 mm.
  • Portable, light-weight, easy to carry engine crankshaft grinding machine.
  • Crankshaft polisher machines are capable of maintaining the tolerances far better than the manufacturer’s specifications and tolerances.
  • Very easy to operate.
  • Training for one week onsite is enough.
  • We also extend training on crank polishing machine and maintenance of machine in our dedicated training school based near New Delhi international airport.
  • Crankshaft polisher and grinder machine has a long life and is designed to undertake grinding and polishing of engine crankshafts of all popular engines installed on vessels or in industries.
  • Priced very low in comparison to bench type machines.
  • Short deliveries are possible.
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Bergen Rolls Royce Crankshaft Repair / Rolls Royce Engine Crankshaft Grinding / RA Power Solutions

Bergen Rolls Royce Crankshaft Repair / Rolls Royce Engine Crankshaft Grinding / RA Power Solutions
  • Bergen Rolls Royce Crankshaft Repair / Rolls Royce Engine Crankshaft Grinding / RA Power Solutions
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Bergen Rolls Royce Crankshaft repair / Rolls Royce Engine Crankshaft Grinding / RA Power Solutions

 

RA Power Solutions was approached by one of our old client to undertake repair of Bergen Rolls Royce Engine Model no. B32:40 L8P crankshaft. 



The Bergen Rolls Royce engine and crankshaft have following major specifications:

 

S. NO

Crankshaft Details

 

1

Engine Make

Bergen Rolls Royce

2

Engine Model

Model no. B32:40 L8P

3

Crank pin Diameter Standard

270 mm

4

Crankpin Bearing Width

115 mm

 

 

Inspection of  Rolls Royce Engine Crankshaft undertaken by RA Power Solutions technicians  

 

RA Power Solutions technicians boarded the vessel at JNPT Port, Mumbai India and undertook the inspection of the crankshaft.

 

Following was the main observation:

 

i) On visual inspection it was observed that crankpin bearing of CR no. 3  was damaged and bearing material was found in the sump.

 

ii) On removal of the connecting rod  it was observed the connecting rod bearing was badly struck on the crankpin and even the bearing material was embedded in crankpin diameter. 

 

iii) After removal of bearing material from crankpin circumference the inspection of crankpin was undertaken. 

 

iv)The crankpin dimension was observed as follows:

 a) Minimum diameter observed 269.43 mm.

 b) Maximum diameter observed 269.89 mm.

 

v) The hardness was checked and was observed within the limit.  

 

vi) The crack detection of Rolls Royce Engine crank pin was conducted by MPI method and no crack or abnormality was observed.

 

vii) On visual inspection of crank pin deep bearing line marks were observed. 

 

Action taken by RA Power Solutions to repair the crankshaft of Bergen Rolls Royce Engine.

 

i) The Grinding of crankpin no. 3 was undertaken to the step size of 1 mm. The final size after grinding was maintained as 269.00 mm. 

 

ii) After final grinding/ Polishing of crankpin all the parameters like taper, ovality, hardness, crack detection and surface test were undertaken and report on our standard format was prepared.  

We have been regularly executing the repairs in Argentina, Bahamas, Barbados, Bermuda, Bolivia, Brazil, Canada, Chile, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Guatemala, Guyana, Haiti, Honduras, Jamaica, Mexico, Nicaragua etc.

 

 

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Wartsila VASA 12V32 LN Crankshaft Grinding & Repair

Wartsila VASA 12V32 LN Crankshaft Grinding & Repair
  • Wartsila VASA 12V32 LN Crankshaft Grinding & Repair
  • Wartsila VASA 12V32 LN Crankshaft Grinding & Repair
  • Wartsila VASA 12V32 LN Crankshaft Grinding & Repair
  • Wartsila VASA 12V32 LN Crankshaft Grinding & Repair
  • Wartsila VASA 12V32 LN Crankshaft Grinding & Repair
  • Wartsila VASA 12V32 LN Crankshaft Grinding & Repair
  • Wartsila VASA 12V32 LN Crankshaft Grinding & Repair
  • Wartsila VASA 12V32 LN Crankshaft Grinding & Repair
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RA Power Solutions was approached by a leading Cement manufacturing Plant based in Nepal regarding failure of their Crankshaft of Wartsila Diesel Generator model no. WARTSILA  VASA 12V32 LN.

A team of RA Power Solutions technicians were deputed to Nepal.Engine details are also given below:

S.NO

Crankshaft Details

 

1

Engine Make

Wartsila

2

Engine Model

VASA 12V 32 LN

3

Crank pin Diameter Standard

270 mm

4

Crankpin Bearing Width

93 mm

5

Place of execution of crankshaft repair

Cement Plant in Nepal

Wartsila Diesel Generator Observations: 

 i) On inspection of all the crankpins visually the Bearing of crankpin no. 3 was observed damaged and bearing material was found in the oil sump. 
 ii) The Bearing was removed from the crankpin and on visual inspection it was observed that bearing material was embedded on the crankpin. The radius fillet of both sides of the crankpin was found damaged.
iii) The crankpin was subject to the dimensional inspection and following dimensions were observed. 
a) Minimum diameter observed-   269.52 mm
b) Maximum diameter observed-   270.00 mm
Action taken for successful repair of Wartsila Diesel generator 
i) The onsite grinding of crankpin no. 3 was started by the portable onsite crankshaft grinding machine.
 ii) The ovality of 0.48 mm which was observed initially at the time of inspection of the crankshaft was removed by undersizing the crankpin diameter to 269.00 (1.0 mm undersize).
iii) The crank pin diameter was reduced to 268.50 mm (1.5mm undersize) and the crankpin was inspected. Due to the presence of line marks it was again decided to further grind the crankpin to the undersize of 2.0 mm.
iv) The crank pin was finally ground to the size of 268 mm (2.0 mm undersize) and following dimensions & tolerance were maintained:
a) Minimum diameter observed after grinding/ polishing-    267.98 mm 
b) Maximum diameter observed after grinding/ polishing-   268.00 mm
v) The surface finish after grinding & polishing was checked by mitutoyo surface test equipment and was again observed in the range 0.10 RA Value.

Successful Repair of Wartsila Engine 12V32 LN
The successful repair of damaged crank pin no. 3 of Wartsila Crankshaft 12V32 in a short time of 79 hrs is an achievement, the grinding of crankpin was undertaken non stop on 24 hours basis by a team of technicians of RA Power Solutions.

 

 

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MAN B&W Model 5L 16/24 Crankshaft Repair on Vessel

MAN B&W Model 5L 16/24 Crankshaft Repair on Vessel
  • MAN B&W Model 5L 16/24 Crankshaft Repair on Vessel
  • MAN B&W Model 5L 16/24 Crankshaft Repair on Vessel
  • MAN B&W Model 5L 16/24 Crankshaft Repair on Vessel
  • MAN B&W Model 5L 16/24 Crankshaft Repair on Vessel
  • MAN B&W Model 5L 16/24 Crankshaft Repair on Vessel
  • MAN B&W Model 5L 16/24 Crankshaft Repair on Vessel
  • MAN B&W Model 5L 16/24 Crankshaft Repair on Vessel
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MAN Engine Model no. 5L 16/24 is a very common installation on vessels and the engine is used as Generator. The Crank Pin diameter of MAN Engine Model no. 5L 16/24 is only 130mm and the bearing width is 56 mm. In other words it is about 2 inches 


RA Power Solutions as a leading company extending onsite crankshaft grinding services all over the world for the last 41 years have the equipment and technology which can undertake onsite grinding of shaft diameter of 30 mm and bearing width of as low as 25 mm. 

 
We have recently successfully executed the repair of the crankshaft of MAN Engine Model no. 5L 16/24. Details are as mentioned below:

S. NO

Crankshaft Details

 

1

Engine Make

MAN B&W

2

Engine Model

 5L 16/24

3

Crank pin Diameter Standard

130 mm

4

Crankpin Bearing Width

56 mm

5

Place of execution of crankshaft repair

Port of Castellon Spain

 
Details of Crankshaft repair job executed by RA Power Solutions technicians at port of Castellon Spain.

 i) The damaged crankpin was checked for taper & ovality and it was observed 0.49 mm.  

 ii) Deep bearing line marks were observed. 

 iii) All other parameters like hardness, crack detection  by MPI were checked and no abnormality was found. 

 iv)  The crankpin was ground to an undersize of 1.0mm. 

 
Supply of Undersize Bearing for MAN Engine Model no. 5L 16/24

It is obvious that whenever grinding is undertaken there  is requirement of undersize bearing. In this case of MAN Engine Model no. 5L 16/24  RA Power Solutions arranged and supplied 1.0mm undersize crankpin bearing to the client.

We maintain a large stock of standard & undersize bearings of crankpin & main journal of popular make & model of engines like Yanmar, Daihatsu, MAK and MAN B&W etc. 

 The Engine was commissioned in presence of our technicians and performance was found to be satisfactory. 

 

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Wartsila 12V32 Crankshaft Repair - RA Power Solutions

Wartsila 12V32 Crankshaft Repair - RA Power Solutions
  • Wartsila 12V32 Crankshaft Repair - RA Power Solutions
  • Wartsila 12V32 Crankshaft Repair - RA Power Solutions
  • Wartsila 12V32 Crankshaft Repair - RA Power Solutions
  • Wartsila 12V32 Crankshaft Repair - RA Power Solutions
  • Wartsila 12V32 Crankshaft Repair - RA Power Solutions
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We were approached by a leading shipping company operating heavy container vessels for the problem faced by them due to the failure of the Crankshaft of Wartsila 12V32. The vessel was in the outer anchorage of Jebel Ali Port Dubai.

The Wartsila Engine details are as follows.

S. NO

 

Wartsila 12V32 Diesel Generator Details 

1

Engine Make

Wartsila

2

Engine Model

12V32

3

Crank pin Diameter Standard

270 mm

4

Crankpin Bearing Width

93 mm

5

Place of execution of crankshaft repair

Jebel Ali Port Dubai to Galle port srilanka sailing

Action taken by RA Power Solutions to Repair Crankshaft of Wartsila 12V32

 
i) RA Power Solutions deputed two technicians to Dubai with a portable crankshaft grinding machine and instruments to inspect and execute the repair of Wartsila Crankshaft 12V32.


ii) 
On inspection the crankpin no. 6 having a standard diameter of 270 mm was found to be seriously damaged. 

iii) Due to the seizure of the bearing the radius fillet of both the ends was damaged. 

 
iv) The crankpin was dimensionally checked and the size observed is as following:

   a) Minimum diameter observed :    268.45 mm

    b) Maximum diameter observed:    269.79 mm

    c) The hardness of the crankpin was taken and observed between 270 and 560 on HB scale which is considered to be on higher side as per the Wartsila engine manual.


v
) The cracks were checked by MPI using high intensity Megnaflux torch. multiple hairline cracks were observed on damaged crankpin.


Action taken by RA Power Solutions to successfully repair of crankshaft of Wartsila 12V32

 

 i) The above dimensional and inspection reports showed that the crankpin is seriously damaged as the radius fillet profile was also  lost due to the accident.


 ii) The main challenge was that the vessel sailing schedule was fixed for Galle Sri Lanka and the repair of the crank pin was to be executed while sailing of the vessel from Jebel Ali Port Dubai to Galle Port Sri Lanka.

iii) The surface finish was checked by the latest mitutoyo roughness tester and it was observed within the RA value of 0.12 and 0.10 which is far superior to the original surface finish recommended by wartsila as a manufacturer of engines.

 RA Power Solutions have been extending crankshaft repair services even while sailingof  the vessel for the last 41 years.   

 

 

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Crankshaft Repair Machine, Crankshaft Specialist

Crankshaft Repair Machine, Crankshaft Specialist
  • Crankshaft Repair Machine, Crankshaft Specialist
  • Crankshaft Repair Machine, Crankshaft Specialist
  • Crankshaft Repair Machine, Crankshaft Specialist
  • Crankshaft Repair Machine, Crankshaft Specialist
  • Crankshaft Repair Machine, Crankshaft Specialist
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RA Power Solutions has an experience of 42 years in crankshaft grinding. RA Power Solutions is proud to launch a revolutionary Crankshaft Grinding Machine which is capable of undertaking the grinding & crankshaft polishing onsite, without removing the crankshaft from the engine block & casing. Having sold more than 70 Crankshaft grinding and polishing machines we are popularly known as crankshaft specialists.The machines sold by us world wide are used for Main & Auxiliary engines, Compressors, Locomotives, Earth moving & Marine applications. 
Advanced technology of Crankshaft Grinding MachineThe crankshaft grinding machine manufactured by us is the most sophisticated machine available today in the mark.Our concept and design is far ahead of the companies who are still using old technology of undertaking the grinding of crankpin & main journal by taking the reference of radius fillet.
Structure of Crankshaft GrindingThe main body of the equipment is manufactured out of Titanium steel which provides capability of grinding heavy crankshafts with large crank pins and main journal diameters.In spite of the strong structure of crankshaft grinding machine it is light weight, which facilitates the technicians to carry the machine to various sites all over the world. 
Manufacturing Quality:The main structure of RA Power Solutions crankshaft grinding machine is manufactured out of titanium steel, which is a thermally stabilized strong structure.
It is our constant endeavour to improve the design of the machine and to maintain the following:
i) Reduce vibration of the machine.ii) Keep the temperature constant and low.iii) Improvement in strength.iv) Control on weight of the machine.v) Keep the cost low.  
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Grinding and Polishing Machine

Grinding and Polishing Machine
  • Grinding and Polishing Machine
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Product Details:

BrandRA Power Solutions
Model Name/Number35 mm to 700 mm
Maximum Grinding Diameter700 mm Diameter
Max. Grinding Length5000 mm
Grinding Wheel SizeStandard
Max Grinding Diameter (Inner)Standard
Country of OriginMade in India

RA Power Solutions Pvt. Ltd. manufactures grinding and polishing machines for the diameter ranging from 35 mm to 700 mm. The grinding and polishing machine has following main features:-

·         Light-weight and compact design which is capable to operate in the limited space available at site.

·         Machine is easy to operate and available in pneumatic and electrical drive depending on the availability .

·         Grinding and polishing machine is designed to maintain the tolerance with 10 microns and surface finish of less than 20 RA value.

·         Easy to maintain and operate.

·         Grinding and polishing machine is cost low and is widely used by shipping companies, heavy industries, diesel power plants, repair workshops etc worldwide. 

 

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Raj Shahani (Managing Director)
R. A. Power Solutions Private Limited
Corporate address: Unit No. 411, 4th Floor, Unitech Arcadia, South City - 2
Sector 49, Gurgaon - 122018, Haryana, India


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