Precision for
the small stuff.
±0.005 mm.
Swiss-type turning with sliding guide bushing — eliminating deflection on slender parts. The right process for medical bone screws, RF connector pins, watch arbors, and any precision turned part where conventional turning chatters.
The guide bushing advantage.
Conventional turning holds bar stock in a chuck — the part cantilevers from that grip. For slender parts, the cantilever deflects under cutting forces, causing chatter, taper, and tolerance loss. Swiss turning eliminates this: the bushing supports stock right at the cutting zone.
No deflection
Bar stock supported at the cutting zone. Parts with 20:1 length-to-diameter ratios maintain straightness and tolerance.
Live tooling
Milling spindles for cross-drilling, flats, and tapping — complete parts in single setup without transfer.
Bar-fed automation
Feed new stock automatically from long bars. Run 8+ hours unattended for production volumes.
Sub-spindle pickup
Second spindle receives finished part for back-end operations, eliminating separate setup.
Tight tolerances
±0.005 mm diameter, 0.005 mm concentricity, Ra 0.4 µm single-pass surface finish.
Fast cycle times
Multi-axis simultaneous cutting reduces cycle time 40–60% vs conventional turning for complex parts.
Where Swiss CNC wins.
Medical bone screws
Titanium bone screws, pedicle screws, cannulated screws. Tight thread tolerance, polished shaft, full traceability.
Dental implants
Dental implant screws, abutments, healing caps. Thread profile tolerance critical for osseointegration.
RF connector pins
SMA, SMB, MMCX connector center conductors. Gold-plated BeCu with sub-micron concentricity for RF performance.
Electrical contact pins
Automotive connector pins, industrial terminal pins, spring-loaded contacts. High-volume precision turning.
Watch components
Watch arbors, balance wheel staffs, winding stems, escape wheel pivots. Micron-precision horology parts.
Micro-fluidic fittings
HPLC fittings, microfluidic connectors, fluid handling ferrules. Burr-free flow paths for lab equipment.
Hydraulic spools
Servo valve spools, proportional valve components. Sub-micron concentricity for leak-free operation.
Aerospace hardware
Flight control pivot pins, hinge pins, fastener studs, bushings. Full AS9100 workflow with FAI.
Surgical instruments
Bone pins, forceps shafts, trocars, guide wires. Passivated and electropolished per medical standards.
Swiss vs standard turning.
| Criterion | Standard Turning | Swiss Turning |
|---|---|---|
| Part diameter | 5–300 mm | 0.5–32 mm |
| Part length | 20–500 mm | 5–250 mm (in single pass) |
| Length/diameter ratio | up to 3:1 without tailstock | up to 20:1 in guide bushing |
| Tolerance | ±0.025 mm typical | ±0.005 mm typical |
| Surface finish | Ra 1.6 µm single-pass | Ra 0.4 µm single-pass |
| Concentricity | 0.025 mm typical | 0.005 mm typical |
| Setup cost | Lower | Higher |
| Sweet spot volume | 100–10,000 parts | 1,000–500,000 parts |
| Best for | Large, short, simple turned parts | Small, long, complex precision parts |