Engineering & Metal Products

Piston Ring Manufacturing

This business involves the manufacturing of piston rings for internal combustion engines using cast iron blanks. The process includes precision machining, surface treatment, and coating to ensure sealing, heat transfer, and oil regulation in engines.

Project cost & finance

Cost of Project

figures in ₹ Lakhs

Building & Civil Work4
Plant & Machinery10.95
Furniture & Fixtures1
Other Misc. Assets0.66
Working Capital5.39
Total22

Means of Finance

figures in ₹ Lakhs

Own Contribution2.2
Term Loan14.95
Working Capital Loan4.85
Total22

Raw materials & machinery

Machinery & equipment5

Raw materials1

Manufacturing process

  1. Procurement of cast ring blanks from local foundries.
  2. Cleaning and grinding of the blanks.
  3. Performing facing, rough diameter, and rough bore machining.
  4. Performing finish diameter and finish bore machining via copy turning.
  5. Cutting a segment from the ring to create the required free gap and radial pressure.
  6. Applying surface treatments such as chrome, tin, or molybdenum coating for corrosion protection and performance.

Market

Piston rings are essential replaceable parts for diesel and petrol engines, with demand spanning automotive, railway, industrial pump, and compressor sectors.

From the project report