Category: crankpin machining

Crankpin Machining | Crankshaft Journal Machining | Crankshaft Grinding Services – RA Power Solutions

RA Power Solutions is based in New Delhi, India, undertaking crankshaft machining for the last 45 years. Crankshafts are repaired on site without removing them from the crankcase. In case of any damage to the crankshaft, crankpin, and leading journal, we can machine it and polish it to a standard undersize within the manufacturer’s specification and tolerances specified.

The main advantage of repairing a damaged crankshaft and crankpin journal onsite is the short repair timescale. It is also more cost-effective. There is no need to remove the crankshaft from the engine block, pack it, or send it to a workshop. Machining and polishing can be done directly on-site. At the same time, all the specifications and tolerances as per the engine manufacturer are maintained.

RA Power Solutions has a team of experienced engineers who can repair all types of defects in the crankshaft and make it reusable.

Our scope of work includes the following:

  1. Crankshaft, Crankpin Repair
  2. Crankshaft Journal Repair
  3. Crankshaft Repair
  4. Crankshaft Straightening
  5. Crankshaft Regrinding
  6. Crankshaft Polishing
  7. Crankpin Machining, Crankshaft Journal Machining

We can undertake the repair and polishing of crankshafts with diameters ranging from 35 mm to 700 mm. Our technicians can fly to any part of the world at short notice. As they carry with them the Indian CDC. The machining of the crankshaft, repair of spare parts, engine overhauling, and maintenance can also be undertaken while sailing the vessel.

Our portable, lightweight onsite crankshaft grinding machine is designed to generate minimum vibration. Thus, maintaining a high standard of quality in terms of surface finish, taper, and ovality. Since we offer repair of primary spares, maintenance, and overhauling of engines, spares, etc. We own one point of responsibility for the satisfactory performance of the engine in totality.

Onsite Crankshaft Repair by Portable Grinding Equipment
On-Site Crankshaft Repair by Portable Grinding Equipment

We are considered to be the cheapest in the market in comparison to the competitors based in Europe.

This blog is written by Mr. Raj Shahani (Managing Director of RA Power Solutions), who has more than forty years of experience in the field of crankpin machining, crankshaft journal machining, crankshaft grinders, polishing and grinding of crankshaft, etc. For more details on babbitt bearing, white metal bearing, crankshaft grinding services, engine block repair, main journal grinding, grinding of crankshaft, or crankshaft grinders, email us at rajshahani@rapowersolutions.com or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

In Situ Grinding Machine | In Situ Crankshaft Grinding and Polishing Machine – RA Power Solutions

In situ crankshaft grinding machine is an ideal solution for the repair of a damaged crankpin journal of a diesel engine without dismantling the crankshaft.

Benefits of In-Situ Grinding Machine:-

RA Power Solutions’ grinding technology and tools are not only user-friendly but are also capable of grinding the crankshaft to close dimensional tolerances and with geometric tolerance. These grinding tools are portable and can be easily carried by technicians to the site.

Insitu Crankshaft Grinding Machine
In Situ Crankshaft Grinding Machine

Main Accessories of In-Situ Grinding Machine supplied by RA Power Solutions:

  • In situ grinding machine (Complete Set)
  • Mother Bush
  • Bush
  • Pneumatic Motor with Adapter
  • Hand valve
  • Hose Pipe
  • Hanging Pipe (G.I)
  • Pneumatic Hand Grinder
  • Mops, Mounting Wheel & Rubber Base Wheel
  • Consumables and grinding media
  • Tool Box (Complete Set)
Crankshaft Grinding Machine Packed in a Steel Box for Dispatch
Crankshaft Grinding Machine Packed in a Steel Box for Dispatch
Accessories for Insitu Grinding Machine
Accessories for In Situ Grinding Machine

The measuring instrument used in the Job of grinding and polishing of crankshaft:-

  • Micrometer (Depending on the Crankshaft, Crank pin and main journal Diameter)
  • Micrometer 0-25 mm outside Ball Type Micrometer
  • Inside micrometer or bore gauge
  • Hardness Tester
  • Deflection Gauge
  • Magnetic Dial Stand with Dial Gauge
  • DP Test Kit or MPI Test Machine
  • Radius Gauge
  • Filler Gauge
Portable Crankshaft Grinding Machine is Ready for Dispatch
Insitu Crankshaft Grinding Machine
In Situ Crankshaft Grinding Machine

Instructions for using the onsite crankshaft and cylindrical Grinding Machine:-

Inspection:

  • Check CR Pin Size, Hardness, DP Test, or Magnetic Particle Test, and
  • Deflection, in case all reports are good after that, take the Second Step.
  • Dismantle the machine and check all spare parts, assemble the Pneumatic Motor in the insitu grinding machine.
  • Assemble the hardware in the shell, assemble the machine on the crank pin, and rotate the gear manually.
  • Assemble the machine’s upper and lower caps and recheck all bolts.
  • Connect the Air Hose Pipe to the Pneumatic Motor.
  • After the machining process first round is complete, dismantle the in situ grinding machine and check the size of the Crank Pin.
  • Follow the same steps to complete the job.
  • Before maintaining the final size, check hardness, MPI, or DP Test & take Maximum Reading by Micrometer.

Note: Before the final size check, reset the outside micrometer and take the dimensions again.

Maintenance & Cleaning:-

To properly maintain machine tools, it is very important to perform maintenance checks periodically on all accessories. The author is Mr. Raj Shahani, Managing Director of the company. He has forty-five years of experience in providing on-site engine repair services to companies all over the world. After extensive research and field trials, he has developed an in situ crankshaft grinding and polishing machine to make the repair process easy and cost-effective.

For any information on in situ crankshaft grinding machine, in situ crankshaft grinding repair in fertilizer plant, onsite crankshaft grinding services, onsite crankshaft grinding, grinding and polishing of crankpin, in situ onsite crankshaft grinding in Oman, crankpin machining, crankpin repair, in situ crankshaft grinding please feel free to write to us at rajshahani@rapowersolutions.com or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.