Technical Reference
PRACTICAL TECHNICAL REFERENCE
Deep Hole
Drilling Guide
Method Selection · Cutting Parameters · Troubleshooting · Material Guides · Machine Selection3Core MethodsGundrilling · BTA · Ejector
>10:1L/D Ratio ThresholdDeep hole definition per VDI 3210
0.5–2000mmDiameter RangeFrom micro holes to large bores
CORE PROCESSES
Core Processes
Method Selection WizardCompare & decideGundrilling ProcessSingle-lip external chipBTA Drilling ProcessSingle-tube internal chipEjector DrillingDouble-tube DTSOther MethodsTrepan · Skive · PullFeeds & Speeds TablesVc · feed · depth factorCoolant System GuidePressure · flow · filtrationTool Geometry & CoatingsDrill types · guides · coatingsTolerances & QualityIT grades · Ra · straightnessMaterial Parameters RefQuick-lookup tableChip Shape DiagnosisIdentify & adjustTroubleshooting GuideSymptoms · causes · fixesCNC ProgrammingG73 · G83 · custom macroCutting FluidsOil · emulsion · syntheticToolholding & RunoutShrink · hydraulic · collet
MATERIAL-SPECIFIC GUIDES
Materials by Type
EQUIPMENT & REFERENCE
Equipment & Reference
Machine Selection GuideSpecs · budget · brand comparison
SuppliersMachine & tool suppliers
Industry ApplicationsAerospace · Automotive · Mold & Die
GlossaryTechnical terminology
VDI Standards3208 · 3209 · 3210 · 3211
Industry ResourcesMagazines · forums · handbooks
SafetyCoolant · chip · tool breakage
Automation & CellsRobotics · lights-out · case studies
DESIGN & ECONOMICS