Paul Wunder
01-20-2010, 7:25 PM
Perhaps some of you can shed some light on this. I have a Rockwell 32" bench mounted Radial Drill Press. It's about thirty years old, very light use and it has always been trustworthy. The other day I attached a fly cutter attachment for the first time to cut a 6" circle in 3/4" ply. All was going well
for the first 3/8" in or so and then the cutter stopped spinning. Apparently, the chuck had come loose from the spindle. So, I tapped the chuck back on the spindle with a wood block and a hammer and tried once again with the same results. P.S. I believe that I was not cutting aggressively.
Questions: Is the chuck a taper fit on the spindle and is tapping it tight its only means of attachment? Did I perhaps overload the chuck with lateral forces by swinging the cutter at 700 RPM (vs. the recommended <500 max)? The spindle did not seen to be scored or damaged in any way, and the owner's manual sheds no light on the subject.
I will go back and see what happens when I use a conventional bit again, but I would appreciate a little collective wisdom.
Thanks
for the first 3/8" in or so and then the cutter stopped spinning. Apparently, the chuck had come loose from the spindle. So, I tapped the chuck back on the spindle with a wood block and a hammer and tried once again with the same results. P.S. I believe that I was not cutting aggressively.
Questions: Is the chuck a taper fit on the spindle and is tapping it tight its only means of attachment? Did I perhaps overload the chuck with lateral forces by swinging the cutter at 700 RPM (vs. the recommended <500 max)? The spindle did not seen to be scored or damaged in any way, and the owner's manual sheds no light on the subject.
I will go back and see what happens when I use a conventional bit again, but I would appreciate a little collective wisdom.
Thanks