Precision Forgings
A combination of state-of-the-art facilities and traditional hand skills has enabled the Precision Forgings Section to engineer quality into its high technology products. The process and inspection support has been designed around production of precision forgings to close tolerance.
Infrastructure
  • Friction screw presses - capacities of 2000 tonnes, 500 tonnes and 300 tonnes
  • A 1000-tonne direct drive screw press
  • A 250-tonne horizontal upsetter
  • Abrasive blasting equipment
  • Vibratory finidhing mills
  • Process shop for degreasing, etching, electropolishing and size-etching operations
  • Fluroescent penetrant inspection unit
  • Double-ended polishing lathes
  • Dedicated inspection facility including CMM for precision forged blades
Unique Capabilities
  • Complex precision forged products including aerofoil shapes in all wrought alloys and precision blades from component drawing using CAD/CAM/CMM route of manufacture
  • Custom built equipment for forging, processing and inspection of precision forgings especially compressor and turbine blades
  • Abrasive blasting and vibratory finishing equipment
  • Optical projectors and multi-gaugung equipment backed by checking fixtures, gauges and other inspection aids
  • Range of screw presses to undertake manufacture of a wide range of precision forged products
Product Range
ProcessOverall Size in mm (max) L * WWeight in kg.Tolerance in mm (range)Surface finish in um.
Precision Forgings (Blades)
Aluminium Alloys300 * 2002.5+ 0.30 / -0.00Less than 1
Nickel Base Alloys150 * 700.8± 1 to ± 4+ 0.30 / -0.00Less than 1
Steels275 * 1251.5± 1 to ± 4+ 0.30 / -0.00Less than 1
Titanium Alloys250 * 100 1.2± 1 to ± 4+ 0.30 / -0.00Less than 1
Precision Forgings (Non-Blades)
Aluminium Alloys250*100*1003.0± 0.5 / ± 1.03 to 5
Nickel Base Alloys125*100*754.0± 0.5 / ± 1.06 to 8
Steels250*100*10010.0± 0.5 / ± 1.06 to 8
Titanium Alloys250*100*602.5± 0.5 / ± 1.06 to 8