Cranf ield Precision EcoR1664 High Accuracy Diamond Turning Machine

Product catalog summary

Overview: The document details the specifications and features of the Cranfield Precision EcoR1664, a high-accuracy diamond turning machine designed for ultra-precision optical film production. It emphasizes the machine's optical quality diamond turning capabilities, outstanding thermal stability, and high system stiffness and damping.

Specifications:

Workpiece: Diameter of 410 mm (16”), Length of 1625 mm (64”), Weight of 680 kg (1500 lb).
Control System: Cranfield Precision CNC6400.
Environmental Control: Hydrostatic oil temperature control to 0.01°C, microclimate with oil shower temperature control to 0.01°C.
X Axis (Infeed Axis): Stroke of 205 mm, compensated accuracy of <0.5 µm, feedback resolution of <1.0 nm, hydrostatic oil bearings, linear motor drive, thrust of 346 N continuous and 1385 N peak, velocity of 50 mm/s, acceleration of 50 mm/s².
Z Axis: Stroke of 1630 mm, compensated accuracy of <2.0 µm, feedback resolution of <1.0 nm, hydrostatic oil bearings, linear motor drive, thrust of 437 N continuous and 1748 N peak, velocity of 50 mm/s.
Machine Base and Isolation: Monolithic granite casting with integral oil containment, passive air isolation feet <2.5Hz.

Design and Features: The machine is designed using advanced 3D CAD techniques and FEA to ensure excellent thermal stability, high stiffness, and good damping. The main axis features a stepped hydrostatic design with rail positioning, providing virtually zero roll errors in the tool infeed direction, significantly reducing errors common in conventional lathes.

Contact Information: Cranfield Precision, Woburn House, 3 Adams Close, Kempston, Bedford, MK42 7JE. Phone: +44 1234 312820, Fax: +44 637121, Email: [email protected].

Catalog excerpts

Cranf ield Precision EcoR1664 High Accuracy Diamond Turning Machine-1

Grinding | Ultra Precision Cranf ield Precision EcoR1664 High Accuracy Diamond Turning Machine Ultra-Precision Diamond Turning Drum Roll Manufacture • Optical quality diamond turning • Outstanding thermal stability • High system stiffness and da

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Cranf ield Precision EcoR1664 High Accuracy Diamond Turning Machine-2

Cranfield Precision has designed a Roll Turning Machine for production level machining of optical quality components. Using Advanced 3D CAD techniques and FEA the Cranfield Precision EcoR 1664 Roll Turning Machine has been designed to have very good thermal stability, high stiffness and good damping. The main axis of the machine uses a stepped hydrostatic design with rail positioning that provides virtually zero roll errors in the tool infeed direction drastically reducing the majority of errors experienced on conventional lathes. WORKPIECE — Diameter 410 mm (16") — Length 1625 mm (64") — Weight...

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