Cranfield Precision TTG

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Cranfield Precision TTG

The Cranfield Precision Twin Turret Generator (TTG) incorporates a unique and patented design using two vertical rotary axes and one in-feed axis (linear or rotary) in order to produce relative motion (position and angle) between two points in space over a swept area. The machine is capable of very low sub-surface damage grinding, optical quality diamond turnining, micro-milling and pre-polishing all on the same platform.

TTG Machine capacity range

Cranfield Precision TTG350

Ø100 mm x 50 mm full form profile

Ø350 mm x 200 mm max 


Key Features 

  • Hydrostatic turret bearings
  • Hydrostatic workhead spindle | (Aerostatic option)
  • Air bearing grinding spindles
  • CNC 6400 control with full 3D simulation
  • On board metrology with integrated compensation
  • Vertical Y-Axis
  • 5 Axis simultainous grinding
  • Thermally isolated machine base
  • Multiple grinding spindle configurations
  • Capability for grinding, milling, polishing, diamond turning and metrology on the tool turret


Optical Lens Fabrication, optical molds, textured and Freeform surfaces, Orthopaedic implants

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