High Precision Freeform Machining Platform for components up to:- 100 mm diameter x 50 mm full form profile- 350 mm diameter on flat components

Cranf ield Precision TTG350Twin Turret Generator

• Hydrostatic Rotary and Linear Bearings• Linear Motor Drives• In-Situ Measuring Probe

Grinding | Ultra Precision

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CONTACT USCranfield PrecisionWoburn House, 3 Adams Close, Kempston, Bedford, MK42 7JE Phone: + 44 1234 312820 Fax: + 44 637121Email: cranfieldprecision@fivesgroup.com

Principle of operation

MACHINE PROCESS OPTIONS— Plunge mode: Plano, spheres (concave / convex)

— Generate mode: concave / convex aspheres, spheres

— Freeform mode: Surface generation

— Edging: Circular boundary

— Edging: Non symmetrical edge profiling

— Chamfering: (circular boundary)

— Coring

— Flat milling

— Scooping

— Slicing and dicing

— Prism cutting/grinding

— Milling

— Diamond turning – Hard turning

— Pre-polishing

www.fivesgroup.com

Aspheric and Freeform Generator

Typical components

The Cranfield Precision TTG machine has the capacity to produce components up to Ø350 mm.

— Hydrostatic turret bearings and workhead

— Air bearing grinding spindles

— Patented configuration

— Thermally isolated machine base

— Multiple grinding spindle configurations

— ’Tool Normal’ or axis perpendicular grinding capability

MACHINE CAPABILITY— < 1 µm P-V form accuracy

— < 2.5 nm Ra surface texture capability

— <1 arc sec turret accuracy

— Cranfield Precision CNC 6400 control system

Machine configuration with multiple options