Precision Feed Stock for Citizen Sliding Headstocks.
Engineered ISO 286-2 (h7) Tolerance to eliminate guide bushing seizure and reduce high-RPM vibration.
Industrial Notice
INDUSTRIAL NOTICE: Engineered specifically for Swiss-style CNC Lathes (Sliding Headstock). Not for manual turning or construction.
The Physics of Lights-Out Manufacturing
| Parameter | ValidTi ULTRA Specification | Impact on Citizen Lathe | |
|---|---|---|---|
| Oxygen (O) Content | < 0.10% | ~ 0.13% | High Toughness; Prevents Fatigue Failure |
| Iron (Fe) Content | < 0.12% | ~ 0.25% | Superior Biocompatibility & Uniformity |
| Raw Material Source | Grade 0A Virgin Sponge | Standard Sponge (Scrap mix) | Aerospace Grade Input; Zero Inclusions |
| Diameter Tolerance | h7 (+0 / -0.021mm for Ø10mm) | Prevents Guide Bushing Seizure | |
| Circularity (Ovality) | < 50% of Diameter Tolerance | Reduces Harmonic Vibration | |
| Surface Finish | Ra < 0.6µm (Centerless Ground) | Extends Carbide Guide Life | |
| End Condition | Chamfered 30° / 45° | Smooth Bar Feeder Insertion |
Citizen Cincom Match List
Validated specifically for bar-fed production of bone screws, dental implants, and spinal components.
Citizen R04 / L12
Ø 3.0mm - 12.0mm
Citizen A20 / L20
Ø 10.0mm - 20.0mm
Citizen M32 / L32
Ø 20.0mm - 32.0mm
Bar Feeder Vibration (The 'Whip' Effect)
Risk Addressed
Bar Feeder Vibration
In 3-meter bar feeding, deviation >0.5mm/m creates centrifugal whip at 8,000 RPM. ValidTi rods undergo Laser Straightening to achieve <0.3mm/m, stabilizing spindle load and eliminating chatter marks on finished implants.
Laser Straightening
< 0.3mm/m
Stabilized Feed
Centerless Ground
Ra < 0.6µm
Oil Film Retention
Fig 2. Guide Bushing Clearance Tolerance Interaction. Schematic showing h7 gap precision for sliding headstock stability.
Medical Device Compliance
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