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

RA Power Solutions manufacturers insitu 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 onsite 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 of Bigger Diameter

Crankshaft Grinding Machine has the following features:

I) Onsite crankshaft grinding and polishing machine is compact, lightweight and can be inserted from the inspection window of the engine block.
II) It is simple in design, easy to operate and maintain
III) 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.
IV) With the use of onsite crankshaft grinding and polishing machine, repair can be done in one setting. Thus saving the time.
V) This crankshaft grinding and polishing machine is manufactured with a pneumatic or electrical drive depending on the client’s requirement.
VI) On Job training for the operation and maintenance of the crankshaft grinding machine is extended through our experienced technicians.
VII) Crankshaft repair machine is supplied in a toolbox and can be transported all over the world.

Onsite Crankshaft Grinding & Repair Machine
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.

Crankshaft Grinding & Repair Machine
Crankshaft Grinding & Repair Machine

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 crankshaft grinding and polishing machine, please email us on info@rapowersolutions.com

Repair of Crankpin by Crankshaft Grinding Machine
Repair of Crankpin by Crankshaft Grinding Machine
Onsite Grinding Machine for Small Diameter
Onsite Grinding Machine for Small Diameter

RA Power Solutions manufacturers insitu 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 onsite crankshaft grinding and crankshaft repair … Continue reading “Insitu Crankshaft Grinding Machine | Onsite Crankshaft Grinding & Polishing Machine | Crankshaft Grinder – RA Power Solutions”

Diesel Engine Overhaul | Diesel Engine Repair | Crankshaft Main Bearing Replacement – RA Power Solutions

RA Power Solutions was informed regarding the failure of three nos Crank pin Bearings of MAN B&W 5L60MC main engine onboard a vessel near South Africa.

RA Power experienced team of technicians boarded the vessel in a short time of 18 hours of receipt of intimation regarding the problem faced by the vessel. Following jobs were executed for overhaul and replacement of crankpin bearings in order to operate the engine satisfactorily after Engine repair and Engine overhaul.

MAN B&W 5L60MC Engine Repair & Overhauling is in Process
MAN B&W 5L60MC Engine Repair & Overhauling is in Process
DESCRIPTION:

I) Inspection and overhaul of the cylinder covers including the fuel and starting valves located in the covers.

II) The cylinder covers cooling spaces were also inspected, cleaned and fitted back with new O-rings.

III) Dismounting, Inspect and overhaul of the exhaust valves, renewed the seats and grinding the valve spindles.

IV) The cylinder liners were cleaned, calibrated and honed in order to restore the liners running surfaces and remove ovality. This ensured that the piston rings perform better and this will lead to a better overall cylinder condition, compared to if honing had not been done. The cylinder liners cooling spaces were also inspected, cleaned and fitted back with new o-rings.

Inspection of Engine Spares is in Process
Inspection of Engine Spares is in Process
Inspection and Repair of Crankshaft
Inspection and Repair of Crankshaft
V) The Crank pin  bearing caps were dismounted, both top and bottom bearing shells renewed

VI) The Crankshaft Crankpin  diameter was checked for the following parameters:

a) Visual inspection to check the presence of any Bearing Line marks or rough surface.

b) All the Crankpins were calibrated for taper & ovality.

c) Hardness was checked and observed within limits.

d) MPI was done to check the presence of any crack.

e) Crankshaft all pins were polished by onsite Crankshaft Grinding Machine removing the bearing line marks and for improving the Crank pin surface finish.

Onsite Repair of Crankpin by Crankshaft Grinding Machine
Onsite Repair of Crankpin by Crankshaft Grinding Machine
VII) Adjustment of the variable injection timing (VIT)

VIII) The bearing clearances were taken using lead wire

IX) Crankshaft alignment measurement was taken with a dial gauge.

Conclusion: After replacement of Bearings & Jobs described above undertaken at the time of Engine overhaul & Bearing replacement the engine was tested on the load & performance was observed satisfactory.

Repair of Crankpin is in Process
Repair of Crankpin is in Process
Inspection of Connecting Rod on Moving Vessel
Inspection of Connecting Rod on Moving Vessel

RA Power Solutions was informed regarding the failure of three nos Crank pin Bearings of MAN B&W 5L60MC main engine onboard a vessel near South Africa. RA Power experienced team of technicians boarded the vessel in a short time of 18 hours of receipt of intimation regarding the problem faced by the vessel. Following jobs … Continue reading “Diesel Engine Overhaul | Diesel Engine Repair | Crankshaft Main Bearing Replacement – RA Power Solutions”

Grinding of Crankshaft in Oman by RA Power Solutions

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

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

After checking the hardness, crack and other parameters of the crankpins the grinding was started. The ship was to sail to the next port and it was decided that grinding of crankshaft is to be executed by RA Power Solutions technicians while the sailing of the vessel. RA Power Solutions having portable latest design of crankshaft grinding machine with almost no vibrations started the grinding of crankshaft while the sailing of the vessel. The 6 crankpins grinding to 0.40 mm undersized was completed in a short time of 60 hours. The repair of crankshaft was successful as the engine was put back in to operation and is performing satisfactory.

Onsite Crankpin Grinding is in Process
Onsite Crankpin Grinding is in Process

RA Power Solutions having 40 years of experience in field of crankshaft grinding has achieved many land marks and have performed more than satisfactory for the clients spread all over the world. The expert team of crankshaft grinding technicians can undertake the grinding of crankshafts up to 700 mm.

Crankpin Grinding by Onsite Crankshaft Grinding Machine
Crankpin Grinding by Onsite Crankshaft Grinding Machine

All the parameters like taper, ovality, surface finish etc. after crankshaft grinding are maintained strictly as per the manufacturer’s specifications. RA Power Solutions undertakes all the jobs related to repair, maintenance, overhauling of high capacity of diesel engines and diesel generating sets onsite all over the world.

 Only company which has undertaken repair of more than 11,000 crankshafts and is highly respected for its commitment

For more information, please email us on info@rapowersolutions.com

Onsite Crankpin Grinding is in Process
Onsite Crankpin Repair is in Process
Inspection and Grinding of Crankshaft is in Process
Inspection and Grinding of Crankshaft is in Process

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

Onsite Crankshaft Grinding Machine for Crankshaft Repair – RA Power Solutions

RA Power Solutions  with 4 decades of experience have now introduced onsite crankshaft grinding machine which is portable and can undertake crankshaft machining, crankshaft grinding, crankshaft repair onsite.

Now there is no need to remove the crankshaft from engine block and sending it to the workshop. Crankshaft grinding machine has following features:

I) The crankshaft grinding machine is introduced by RA Power Solutions having experience of 4 decades in crankshaft repair

II) After extensive trials and experience, the machine is now introduced in the open market for the benefit of shipping companies, engine repair workshops, power plants, etc.

III) The onsite crankshaft grinding and polishing machine is of latest design having minimum vibrations during operation. Onsite crankshaft grinding machine can be used while sailing of the vessel.

Grinding of Crankpin using Onsite Crankshaft Grinding Machine
Grinding of Crankpin using Onsite Crankshaft Grinding Machine

IV) Tolerances achieved after crankshaft grinding and crankshaft polishing are far better than the manufacturer’s specifications. This is proven as repairs executed are class approved.

In case of emergency, this onsite crankshaft grinding and polishing can be operated round the clock. Onsite crankshaft grinding and polishing machine is easy to operate and on job training is provided.

This machine is supplied ready to use and complete in all respect. More than 70 machines supplied all over the world.

For more information, please drop en email at info@rapowersolutions.com

Crankshaft Grinding Machine Packed in Steel Box for Dispatch
Crankshaft Grinding Machine Packed in Steel Box for Dispatch
Onsite Crankshaft Grinding Machine
Onsite Crankshaft Grinding Machine

RA Power Solutions  with 4 decades of experience have now introduced onsite crankshaft grinding machine which is portable and can undertake crankshaft machining, crankshaft grinding, crankshaft repair onsite. Now there is no need to remove the crankshaft from engine block and sending it to the workshop. Crankshaft grinding machine has following features: I) The crankshaft grinding … Continue reading “Onsite Crankshaft Grinding Machine for Crankshaft Repair – RA Power Solutions”

Crankshaft Grinding Machine – RA Power Solutions

Crankshaft grinding machine which is light weight, portable and is easy to operate is manufactured by RA Power Solutions. Crankshaft grinding machine is revolutionary equipment developed and manufactured by us.

Crankshaft Grinding and Polishing Machine
Crankshaft Grinding and Polishing Machine

Few years back industry  had no option but to remove the crankshaft from the engine block, pack it and transport it to the workshop for repairs which was not only expensive but was time consuming. With the introduction of onsite crankshaft grinding machine the removal of crankshaft and sending it to the designated workshop is outdated and is no more required by the industry.

The crankshaft grinding machine manufactured by RA Power Solutions can undertake grinding and polishing of crankshaft, crank pin and main journal diameter ranging from 60 mm to 700 mm. The latest design of the crankshaft grinding machine can undertake grinding and polishing in one setting. The minimum vibration while in operation of the crankshaft grinding machine results to the maintenance of close tolerances and high surface finish.

Onsite Crankshaft Grinding Machine
Onsite Crankshaft Grinding Machine

RA Power Solutions as on date have sold more than 63 crankshaft grinder to countries like Netherlands, Belgium, Iraq, Saudi Arabia, South America, Jordan, Ecuador, Singapore, Indonesia, Dubai, Brazil, Scotland, Greece, Italy, UK, Nigeria, etc.

Since the machine is priced low, it is highly recommended for the repair workshops, shipping companies, power plants and general industry. The onsite training, operation and maintenance of crankshaft grinding machine is provided by the highly experienced technicians with hand on experience of crankshaft repair of four decades.

Crankshaft Grinding Machine
Crankshaft Grinding Machine
Crankshaft Grinder
Crankshaft Grinder

 

 

 

 

 

For more information, please email us on info@rapowersolutions.com or Call us on +91 – 124 – 437 8292 , +91 9213604692

Crankshaft grinding machine which is light weight, portable and is easy to operate is manufactured by RA Power Solutions. Crankshaft grinding machine is revolutionary equipment developed and manufactured by us. Few years back industry  had no option but to remove the crankshaft from the engine block, pack it and transport it to the workshop for … Continue reading “Crankshaft Grinding Machine – RA Power Solutions”

Crankshaft Repair While Sailing – RA Power Solutions

Crankshaft repair by grinding and polishing is now possible while vessel is on move. RA Power Solutions Pvt. Ltd. is the first company to offer crankshaft repair services while vessel is sailing by onsite portable crankshaft grinding equipment which is taken on board the vessel. The crankshaft repair is undertaken by vibration free crankshaft grinding machine without removing the crankshaft from the engine block thus saving time and cost.

MAN B&W STX 6L23/30H
MAN B&W STX 6L23/30H

RA Power Solutions Pvt. Ltd. undertakes onsite crankshaft grinding and polishing on board the vessel while sailing up to 700 mm diameter.

RA Power Solutions Pvt. Ltd. has recently undertaken grinding of all 6 CR pins of MAN B&W STX 6L23/30H while sailing of vessel between ports of Malaysia and Indonesia. The crankpins were damaged due to lack of lubrication oil and all the pins were undersized by 0.5 mm. The tolerances after grinding and polishing have been maintained as per the manufacturer’s requirements.

Repair of Crankshaft in Engine Block
Repair of Crankshaft in Engine Block

RA Power Solutions Pvt. Ltd. has designed vibration free onsite crankshaft grinding and crankshaft polishing equipment by which it is possible to execute crankshaft repair while ship is on move. This saves the time and keeps vessel moving.

Crack repair of engine block, cylinder heads, casing and all broken castings on board a vessel is possible while sailing. We are the first company to introduce these services.

Crankpin Under Test to Check Crack
Crankpin Under Test to Check Crack
Dye Penetrant Test of Crankpin
Dye Penetrant Test of Crankpin

 

Onsite Crankshaft Grinding Machine from Engine Block
Crankshaft Grinding While Sailing
Crankpin Under Grinding Process
Crankpin Under Grinding Process

 

 

 

 

 

 

Crankpin Ready After Grinding and Polishing
Crankpin Ready After Grinding and Polishing

 

 

 

 

 

 

Crankshaft Polishing in Process by Crankshaft Polishing Machine
Crankshaft Polishing in Process by Crankshaft Polishing Machine

Crankshaft repair by grinding and polishing is now possible while vessel is on move. RA Power Solutions Pvt. Ltd. is the first company to offer crankshaft repair services while vessel is sailing by onsite portable crankshaft grinding equipment which is taken on board the vessel. The crankshaft repair is undertaken by vibration free crankshaft grinding … Continue reading “Crankshaft Repair While Sailing – RA Power Solutions”