Precision Mould Drilling of Granite (Natural Stone)

📈 Hole Quality - No edge-cracks | ⚙️ Tool Life - Prevention of stone dust accumulation
  • Difficulties in Machining
  • HIT Achievements
  • Industry Application
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What makes Granite (Natural Stone) difficult to machine?









 

☑️ Granite (Natural Stone) Machining Information

 
    Granite (Natural Stone) Machining 
  Information          
  Material   Granite (Natural Stone)
  *Mohs hardness scale 7
  Feature   Φ6 x 6mm_blind holes
  *aspect ratio 1x
  Process   Drilling (G81 direct drilling without pilot drilling process)  
  Ultrasonic Tool Holder      BT40-GEN-10
  Machining Parameters   S 7,000rpm; F20mm/min
  Tool Selection   Electroplated diamond hollow grinding tool_customized


 

(Figure 1. 





HIT's Goal in Drilling Granite (Natural Stone)





Ultrasonic-Assisted Drilling Granite (Natural Stone) Results


Granite (Natural Stone) Drilling : Hole Quality


(Figure 2. 






Granite (Natural Stone) Drilling : Tool Life


(Figure 3. 






HIT Ultrasonic Machining Technology on Granite (Natural Stone) Drilling Achievements


📈 Hole Quality - No edge-cracks
⚙️ Tool Life - Prevention of stone dust accumulation


 
Granite (Natural Stone) Drilling in Industry Application