I recently picked up a logan 6500 series 14" lathe, and installed a collet closer I also picked up. I am spoiled, using a Hardinge lathe at work, and it seems most of the other manufacture's seem to include collet closers as an afterthought, requiring the tapered adapter for the collets to work correctly. What I really noticed is the difficulty removing the adapter: what is the proper way, short of a couple short motorcycle tire irons, to pop that adapter off? This raises another question: Can I simply turn the OD of the flange on the adapter down about .200 or so (haven't measured it yet) so the chuck can slide over it and engage the 2-1/4 -8 threads on the spindle..? What is the downside of doing this..? If I could do that, then the only time I would have to remove the adapter is when I wanted to turn a large diameter piece of material that needed to extend into the nosepiece.......
-
Welcome back Guest! Did you know you can mentor other members here at H-M? If not, please check out our Relaunch of Hobby Machinist Mentoring Program!
Collet Closer Adapter Question
- Thread starter eazrider
- Start date
- Joined
- Jan 11, 2013
- Messages
- 1,838
Hah hah!
I have a SB, but that's funny, i never thought of that- just turning it down to fit the chuck over! Hah..
I believe the thread protector is supposed to turn and remove the adapter, making sense of it's size, but I rarely use this method. For better or worse, I have a piece of 1.25 inch brass I slide in the other end of the spindle and pop it out. Maybe I over tighten my collet work?
Bernie
I have a SB, but that's funny, i never thought of that- just turning it down to fit the chuck over! Hah..
I believe the thread protector is supposed to turn and remove the adapter, making sense of it's size, but I rarely use this method. For better or worse, I have a piece of 1.25 inch brass I slide in the other end of the spindle and pop it out. Maybe I over tighten my collet work?
Bernie
- Joined
- Apr 23, 2013
- Messages
- 1,108
It takes me about a minute to remove the adapter I just take a alum bar and tap the adapter from the back and out it comes. Been doing this on Logans and other lathes for over 50 years.
jimsehr
- Joined
- Jan 28, 2011
- Messages
- 3,613
- Joined
- Apr 8, 2013
- Messages
- 2,041
My 11 inch Logan had a nosepiece that went behind the collet adaptor. To get the adaptor out you would just unscrew the nosepiece with the provided spanner and it would cam out the collet adaptor. I have a grizzly 12x36 now and there's no threads so I pop it out thru the headstock with a brass rod like others have said. One caveat; my adaptor comes out pretty easily but if you have to bash the crap out of yours for removal it's not gonna be good for the headstock bearings.