Application Notes

Color free molds for mobile phone camera lenses 
Demonstrate the capability to diamond turn mobile phone and smart device camera lens molds with no diffractive color or tool marks and also minimize surface roughness

45o Helical grooves on a 1.4 meter drum

Demonstrate the capability to machine 45o helical gooves on a 1.4 meter drum with no visible seam between the first and last groove. 

High speed lens array for automotive headlamp mold
Demonstrate high speed machining of a lens array on nickel plated steel.

Zinc Sulfide (ZnS) with laser assisted machining
Utilizing laser assisted machining, demonstrate improved surface finish and cosmetic appearance by reducing visual haze and pullouts on ZnS.

Micromilling of crystalline material (CaF2)
Demonstrate the surface finish and flatness results achievable on calcium fluoride using a Freeform® TL machine and a Levicron milling spindle.

3 Axis (XYX) ruling using PEPS® II-VX
Demonstrate part cutting time, surface finish, and form accuracy achievable by 3 axis ruling on a Freeform® L equipped with PEPS II-VX, an active on machine vibration cancellation and precision leveling system.

Surface finish and form accuracy results on a steep slope Al asphere
To demonstrate the surface finish and form accuracy results achievable using the Nanoform® X with HS150 work holding spindle on a steep slope aluminum asphere.

Infrared silicon diffractive machining
Demonstrate the capability to manufacture an infrared silicon lens with 15 diffractive zones, meeting surface finish, form accuracy, and absolute radius specifications.

Aspheric Toric using Adaptive Control Technology (ACT)
Demonstrate freeform surface finish and form accuracy by diamond turning an aspheric toric on the Freeform® L Ultra Precision Machine platform using Adaptive Control Technology (ACT).

XZ vertical grinding
Demonstrate surface finish by vertical grinding on the Freeform® L Ultra Precision Machine platform.

Nanoform® 250 Ultra combined with TMC's STACIS® increases yield
Increasingly, low frequency, low amplitude building floor vibration has become a limiting factor in the performance of extremely high resolution micro-manufacturing tools. Among these tools are diamond turningmachines which are used to create ultra-precision optical components.

Freeform® 700 micro lens array milling
Milling a lens array in Electroless Ni mold insert.

Freeform® 700 spiral milling 
Spiral milling of a 3 dimensional continuous surface.

D-Pocket
Demonstrate the capability and present key metrology results and process data for a non-axisymmetric D-Pocket used as a registering feature in lens molds, for more accurate indexing.

Local spiral milling
Demonstrate the surface finish results achievable with local spiral milling of a brass pin using Levicron’s 80K RPM high speed air-bearing tooling spindle.

Automated form error correction
Demonstrate automated form error correction of a parabolic component by means of on-machine measurement and analysis. Corrections were made by measuring the part using Precitech’s air bearing LVDT

High speed germanium machining
Demonstrate the capability to reduce part cutting time for Infrared (IR) Germanium lenses without sacrificing form accuracy or surface finish.

Freeform® Head-up Display (HUD) Mold using Adaptive Control Technology (ACT)
Demonstrate the surface finish and form accuracy achievable when machining a Head-Up Display (HUD) mold on either the Nanoform® 700 ultra or the Nanoform® L 1000 machine platform using Adaptive Control Technology (ACT) and an HD160 high capacity work holding spindle.

Freeform augmented reality (AR) lens mold
Demonstrate the surface finish achievable when manufacturing a Freeform Augmented Reality Lens Mold by Slow Tool Servo (STS) on a Freeform® L.

Freeform glass grinding with Levicron® spindle
Demonstrate the surface finish and form accuracy achievable when grinding glass with a Levicron® ultra precision spindle

Freeform micro-grooving by fly-cutting
Demonstrate the surface finish and form accuracy achievable when grinding glass with a Levicron® ultra precision spindle