The Nanotech 350FG is the most diverse ultra precision machine available.  Starting with a minimum of three ultra-precision axes, the 350FG is expandable to five-axis via optional B & C rotary axes. Typical applications for this machine include axisymmetric machining of aspheric and toroidal surfaces, raster flycutting of freeform, linear diffractive, micro-prismatic optical structures, micro-milling of lens arrays as well as Slow Slide Servo (S3) machining of toric, biconic and freeform surfaces.

This machine is based on the highly successful design of our 450UPL platform and includes independent hydrostatic oil bearing slide ways on X, Y, & Z linear axes with linear motor drives that provide dynamically stiff and well damped linear motions. Our athermalized spindle mounting technique combined with a standard closed-loop chiller with temperature controlled water circulating around the motor and bearing journals, enhances the long term thermal stability of the 10,000 rpm groove-compensated air bearing work spindle. Our unique Y-axis utilizes dual linear motor drives and an adaptively controlled, step-compensated air bearing counterbalance assembly for optimal servo control of variable loads up to 85Kg (187 lbs @ 145psi) even with the Y-axis active. The work spindle is symmetrically imbedded into the Y-axis carriage to improve overall loop stiffness, reduce Abbe error, and to provide further thermal stability during lengthy raster machining cycles.

For a list of accessories available for this diverse machine, please visit our Factory Options and Additional Accessories pages.