Goal: 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. Process: Two axis or XZC diamond turning on a Nanoform® X with TMC/Precitech QUIET-Base™. Process conditions optimized to minimize surface roughness and eliminate diffractive color and tool marks. Part Details: Material: Electroless nickel plated steel Diameter: 3.25 mm, optical zone Machine Details: Slide type: dovetail, for dynamic stillness Bearing type: hydraulic oil, for damping Oil temperature control: water cooled X axis following error: 1.6 nm Z axis following error: 1.1 nm Process Details: Feed rate: 1.8 mm/min Coolant: OMS Results: • Surface finish: 0.15 nm Sa • No diffractive color • No tool marks Part Photos Precitech's No-Color Specification
Gullwing sample repeatability test results: (μm) Sample 1 Sample 8 Download Apps Note (English) Download Apps Note (Chinese)