Composite Drills Technical
List 7530 - EXOPRO® AERO-S
Work Material Cutting Speed
Carbon & Glass Fiber Reinforced Plastics
CFRP + Aluminum Stack
165 - 260 SFM
200-400 SFM
Drill Diameter (in)
Speed RPM
Feed IPR
Speed RPM 11,700 8,900
Feed IPR
#40 #30 #20 #11
8,000 6,100 4,900 4,100 3,550 3,100 3,170 2,100 1,790 1,570
0.0008 - 0.0020 0.0008 - 0.0030 0.0012 - 0.0030 0.0012 - 0.0030 0.0014 - 0.0040 0.0016 - 0.0040 0.0016 - 0.0040 0.0020 - 0.0040 0.0020 - 0.0040 0.0020 - 0.0040
0.0010 - 0.0030 0.0030 - 0.0040 0.0040 - 0.0050 0.0040 - 0.0050 0.0050 - 0.0060 0.0060 - 0.0070 0.0070 - 0.0080 0.0090 - 0.0100 0.0100 - 0.0110 0.0120 - 0.0130
7,100 6,000 5,200 4,500 3,600 3,000 2,600 2,300
#2
1/4
5/16
3/8
7/16
1/2
1. Feed rates can and should be adjusted depending on stack makeup, with higher feed rates in the composite portion and lower feeds in the metal portion. 2. Peck drilling may be necessary for enhanced quality and proper chip evacuation. 3. There are many factors that can effect successful stack drilling; please contact OSG about your specific application for best recommendation.
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osgtool.com
Drilling Technical
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