micrometer_50
Plastic
- Joined
- Dec 23, 2007
- Location
- Tucson, AZ
17-4 PH H900 .040" hole through .720"
I'd like any suggestions to improve my results
I'm using a Hamilton Varimatic (desktop hand operated drill press)
with a speed range of 800 to 9350
I'm running it at 6100rpm
Carbide drill 118 deg point
CoolTool Oil
I'm getting only 6 to 8 pieces per drill.
I am holding the part in a custom fixture,
with a drill bushing to guide the drill.
Thanks for any help you might offer.
I'd like any suggestions to improve my results
I'm using a Hamilton Varimatic (desktop hand operated drill press)
with a speed range of 800 to 9350
I'm running it at 6100rpm
Carbide drill 118 deg point
CoolTool Oil
I'm getting only 6 to 8 pieces per drill.
I am holding the part in a custom fixture,
with a drill bushing to guide the drill.
Thanks for any help you might offer.