The value of nano-machining extends beyond dimensional accuracy. For automotive headlamp molds, it produces a mirror finish directly on the tool steel, reducing the highly skilled, tedious, and manual polishing process from eight hours down to 40 minutes.

A key efficiency of Swiss machining is its use of main and sub-spindles that work independently. While the main spindle is cutting the front of a part, the sub-spindle can perform operations on the back of the previous part. This overlapping work is considered "free time," dramatically reducing overall cycle time.

To cut the cost of his initial CNC prototype, Paul Vizzio shrunk its length. This allowed the manufacturer to machine a key through-hole in a single pass from one side, eliminating a costly secondary setup and reducing overall machine time.

Instead of ball bearings, nano-machining spindles are aerostatic. The shaft levitates on a 10-micron air film, eliminating physical contact. This enables rotational runout of less than 10 nanometers and near-silent operation even at 60,000 RPM.

Unlike conventional lathes, Swiss machines feed material through a guide bushing past stationary tools. This supports the workpiece right at the point of the cut, virtually eliminating tool deflection and enabling tight tolerances (like +/- a tenth) over long part lengths.

A built-in camera system captures 91 images to create a detailed topographic map of the cutting tool. The machine's control system then uses this data to automatically adjust tool vectors, compensating for real-world geometric imperfections to achieve nanometer-level accuracy.

A machinist spent hours failing to align a ball screw to a 5-micron tolerance. After complete disassembly, the cause was found to be a single speck of dust. This demonstrates the extreme, almost counter-intuitive, attention to detail and cleanliness required in precision manufacturing.

The company's ULG machine programs movements in 100-picometer increments, a scale smaller than most atoms (an iron atom is ~250 picometers). This enables near-atomic level control, used to create iPhone camera lens molds with 30-nanometer form accuracy.

Anduril prototypes drone frames by milling them from solid metal blocks. While extremely wasteful and expensive for mass production, this method bypasses the slow and costly process of creating molds for casting, drastically reducing latency during the critical iterative design phase and getting products to market faster.