arbor

I have a half inch Jacobs drill chuck from Tormach that adapts unto a JT6 arbor. When the drill retracts under load, the chuck tends to get loose and fall off the arbor. What is the secret to connect them? Should I press it -- am afraid I will damage the TTS shoulder. Should I use some Loctite...

I have a few blades I want to enlarge the center hole, they are 3-1/2 to 5" steel blades 3/32" thick . I have a few ideas on how to go about it . Can anyone that has done it with relative success give any thought on doing this ? I know if the enlarged hole is not dead center then I...

I need some advice, please, on a recent hand-me-down. It's a DAYTONA DF-12 (not Dayton), 12 speed, that I think is a Rexon, it's made in Taiwan. The badge on the DP says JT.3 for the spindle. I thought I could use #3 Jacobs wedges, but as you can see in this picture, the tapers can't get above...