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Uploaded by VLEISBOM on Mar 16, 2010
Drilling 730mm on on horizontal twin pallet cnc mill using a 3/4" modified twist drill.
Science & Technology
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interesting...how much does the drill run out at the bottom of the hole? I have a similar application but am worried about the runout.
ydna2 1 year ago
i had 4 bars to drill, the best was about 1mm, and the worst was 5mm runout, which was good enough for the customer. Material was 4140, 375rpm @ 45 mm/min
VLEISBOM 1 year ago
My what a big drill u have!
Is tis all u do all day lol?
GusA1984 1 year ago
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interesting...how much does the drill run out at the bottom of the hole? I have a similar application but am worried about the runout.
ydna2 1 year ago
i had 4 bars to drill, the best was about 1mm, and the worst was 5mm runout, which was good enough for the customer. Material was 4140, 375rpm @ 45 mm/min
VLEISBOM 1 year ago