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Non-Ferrous
Cutting
PCB
       Drills       
PCB
      Routers      
 
The ta-C hard coating for cutting tools(Endmills, PCB drills, PCB routers and etc) is one of core products of our coating service, we offer the customer the best solution for non-ferrous cuting , especially the dry cutting, with our patented FCVA deposition system. Compared to the conventional DLC coating, the ta-C coating has absolute superiority.


What NTI ta-C film provide:

What are customer benefits :

(PCB Drills)
   
  • Super high hardness
       (3000~6000HB)
  • Wear and scratch resistance
  • Excellent adhesion to surface
  • Extremely smooth coating
       surface
  • Better release performance
  • Corrosion resistance
  • Diameter of plated through hole is
       getting smaller
  • The number of through holes is
       getting higher per square meter
  • Prolong the lifespan by 2 times on
       the flexible board, 4 times on the
       BAG board
  • Obviously avoid the fracture (0.1mm
       PCB drills)
  • Excellent smooth surface of the
       through hole
  • Excellent CPK Performance
  • Longer tools maintenance cycle
  • Less Manufacturing Downtime.
  • Lower production cost
  • Less Manufacturing Downtime.
    •  
     
    Drilling of Double Sided Cu Clad/Fiber Reinforced Substrate:
     

    PCB Drills    		  
     
  • Workpiece : 2 layers, ½oz Cu, 0.8mm thickness, BT, 1
          lot 30 panels
  • Tool : Carbide drill bit with 0.3mm diameter
  • Spindle Speed : 60,000 rpm
  • Process : Continuous drilling without repointing
  • CTQ : Top flute width
  • Rejection Criteria : 30% wear of top flute
    •  
    Conclusion: ta-C Coating Extends Lifespan of Drill Bits by 3 Folds
     
     
    Drilling of 16 Layers Cu Clad/Fiber Reinforced Substrate:
     

    PCB Drills    		  
     
  • Workpiece : 16 layers, ½ oz Cu, 2.1mm thickness, high
          Tg FR4,1 lot 30 panels
    		•
  • Tool : Carbide drill bit with 0.3mm diameter
    		•
  • Spindle Speed : 120,000 rpm
    		•
  • Process : Repoint every 2000 hits
    		•
  • CTQ : Nailheading, burr and roughness
    		•
     
     
    Conclusion: ta-C Coating Achieves Cost Reduction of 41%
     
     
    0.1mm Micro-drill on Flexible Board :
     

    1.Non-coating   2. With NTI ta-C Coating






    Increase tool life by 3.7 times compare to non-coated drills
     
    0.3mm Micro-drill on FR4 Board :
     
     
     
    New drill bits
    |                
    |  2000hits
    |                
    1st repoint
    |                
    |  2000hits
    |                
    2nd repoint
    |                
    |   2000hits
    |                
    3rd repoint
     



    • Nail heading = a/b < 1.5
    • Roughness = c m < 25 m
    • Burr = d/e < 1.8



        PCB tested:
    • 16 layers, ½ oz Cu, 2.1mm thickness, High Tg FR4, 1 lot 30 panels
     
     Drill bit  Nail heading  Burr  Roughness (μm)
     As-received  New  0-2000 hits  1.4  No  19
     Coated with ta-C  New  0-2000 hits  1.3  No  16
     As-received  1st repoint  2000-4000 hits  1.6  1.5  23
     Coated with ta-C  1st repoint  2000-4000 hits  1.1  No  12
     As-received  2nd repoint  4000-6000 hits  1.8  1.6  26
     Coated with ta-C  2nd repoint  4000-6000 hits  1.2  No  13
     As-received  3rd repoint  6000-8000 hits  2.1  1.6  25
     Coated with ta-C  3rd repoint  6000-8000 hits  1.3  No  20
     
     
    Related Coating System:
    • Nanofilm offer the following coating systems for production.
     
       
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