SOP-04: Titanium Tool Life Extension Protocol.
Premature bur failure is rarely a 'bad bur' issue. It is a thermal management and material consistency issue.
Applicable Systems
APPLICABLE SYSTEMS: Wet-Milling Dental 5-Axis Units Only (VHF, Roland, Imes-icore).
The Hidden Tax of 'Cheap' Titanium
Risk Addressed
Micro-Vibration & Coating Delamination
Inconsistent Titanium (Grade 4/5 generic) often contains 'Hard Alpha' inclusions. When a 1.0mm tool hits these inclusions at 20,000 RPM, the cutting edge chips immediately. ValidTi's triple-melted, fine-grain structure provides a homogeneous cutting path, preserving the tool coating.
Fig 1. Comparative Tool Wear Analysis after 50 Units. SEM comparison showing damaged edge vs. intact edge.
Optimization Parameters
Adjust your CAM strategy to mitigate Titanium's low thermal conductivity.
Coolant Concentration
CriticalMaintain coolant oil concentration above 8% (Refractometer reading). Lean coolant causes immediate thermal shock and micro-cracking of the binder.
Milling Strategy
RecommendedEnsure 'Climb Milling' (Down Milling) for roughing. Conventional milling pushes the chip into the workpiece, generating work-hardening heat.
Tool Path Engagement
AdvancedUtilize Trochoidal Milling (Dynamic Milling) for thick cross-sections to maintain constant tool load and facilitate chip evacuation.
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