Machining

Machining plays a critical role in Sheffield Forgemasters’ in-house manufacturing process. From rough-cut steelwork to ultra-precise finishing for nuclear-grade components, operations are carried out using some of the most capable CNC systems and heavy machining infrastructure in the UK.

Enquire Today

Machining
capabilities

Sheffield Forgemasters delivers precision rough and finish machining for castings and forgings up to 400 tonnes, using some of the UK’s largest CNC and NC machines. Services include milling, turning, boring, cladding and pressure testing across a wide range of steel grades.

UK’s largest VTL & floor borer

17,000mm

milling capability

400t

machining
capacity

Finish Machining

Sheffield Forgemasters delivers high-precision finish machining for ultra-large and complex components, achieving the tight tolerances and surface finish requirements for safety-critical uses such as nuclear reactor heads and other regulated applications.

Enquire Today

Machinery Examples

  • BOST VTL - The UK's Largest Five-Axis Vertical Turning Lathe
  • BOST RAM - The UK's Largest Five-Axis Horizontal Floor Borer
  • Largest Gantry Mill in the UK
  • CNC Milling and Boring machines
  • Double Column CNC Vertical Milling & Boring
  • Skoda W225 CNC Milling & Boring
  • VDF Deep Hole Borer and Trepanning Lathe
  • Webster & Benner Vertical Borers
  • Horizontal Lathes, Borers & Grinders
Enquire Today

Rough Machining

Where needed, Sheffield Forgemasters delivers components in a rough machined state establishing core dimensions and geometry while retaining flexibility for follow-on machining. This approach supports global manufacturing routes, allowing partners or overseas clients to complete finishing while still benefitting from precision and quality control at the earliest stages.

Enquire Today

Discover Our Full Capabilities

Need detailed specifications? View and download our latest brochures, certification documents, and technical guides to see how we deliver the world’s most critical components.

View downloads

FAQs

Sheffield Forgemasters operates CNC and NC machines capable of handling components up to 400 tonnes in weight, including ultra-large and complex geometries.
Services include rough and finish machining, milling, turning, boring, grinding, linishing, pressure testing, cladding and liner fitting, all supported by large-scale CNC infrastructure.
The site includes the UK’s largest five-axis Vertical Turning Lathe (BOST VTL), the UK’s largest Horizontal Floor Borer (BOST RAM), and the largest gantry mill in the country.
Components can be rough machined for further finishing by external suppliers or at other sites, supporting flexibility in phased or international manufacturing.
Yes. Finish machining is available for safety-critical applications, including highly complex shapes such as nuclear reactor heads, with tolerances and surface finishes to exacting standards.

Get in touch with our team