DR Single Flute Drills Testing Case
Product detail
Layers Increased
Single Flute0.3*6.2 Drills processing Case
Drills：Ordinary 0.3*6.2 Single Flute 0.3*6.2 sheet Materials FR4 T1.5-4L
Revolution Speed：140krpm Falling Speed：100ipm Retract：1000ipm Hole Limit：H3000
Cover Board：Ordinary Aluminum Sheet 0.20mm Backing Plate：Wood Backing Plate2.5mm
Conclusion：The single flute drill has a unique design , It still can remain good precision on
Hole's position even if we increased layers on workpieces
Drilling life improvement
Single Flute0.35*5.5 Drills processing Case
Drills：Ordinary 0.35*5.5 Single Flute 0.35*5.5 sheet Materials:HTG T1.0*3-10L
Revolution Speed：135krpm Falling Speed：104ipm Retract：1000ipm Hole Limit：Refer to below Chart
Cover Board：Ordinary Aluminum Sheet0.20mm Backing Plate：Wood Backing Plate2.5mm
Hole's Position precision Improvement
Single Flute0.35*5.5 Drills processing Case
Drills：Ordinary 0.40*6.5 Single FluteΦ0.40*6.5 sheet Materials： FR4 T1.6*3-6L
Revolution Speed：120krpm Falling Speed：110ipm Retract：1000ipm Hole Limit：H2500
Cover Board：AL 0.20T Backing Plate：1.5TPhenothalin board
Conclusion：Due to the unique design of single flute drill, it can drastically get improvement of hole's position precision base on
same processing condition, it can help customers to reduce scrappage because hole deviation and production cost
Top Tip
Testing Machine：HITACHIdrill machine(160KRPM)
Testing sheet Materials：HF TaiguangT1.6*2pnl 8layers
Testing Cover board：Aluminum Sheet 0.15t
Testing Backing Plate：Phenothalin board
Processing Condition：S155krpmF40mm/s Hit Coefficient：H3000
Testing Data:Refer to below Chart
Testing result：The single flute drill have a excellent performance on hole’s position which remains a good inner
drilling quality. The testing data can meet customer’s requirements in industry
The levels of roughness for wall of hole
Testing machine：HITACHI Drilling machine(160KRPM)
Testing Sheet Material：R1705 T1.6*2pnlDouble-sided board
Testing cover board：Aluminum sheet 0.15t Testing Backing Plate：Phenothalin board
Processing Condition：S145krpmF45mm/s Hit Coefficient：H3000
Result : level of roughness of wall of hole
