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View Full Version : Crank & collet, Atlas 618



JFLingg
02-25-2013, 09:13 PM
The hand crank is something I've thought about. But, I wasn't ready to machine the parts for one. Wood to the rescue, (and a wood screw). The split pin is maple, the slit is positioned across grain. I had to create a lo-o-o-ng screwdriver, too. It used to be part of a rip fence from my first table saw.http://i1154.photobucket.com/albums/p523/CaseSORoof/Machining/618Crank-01.jpg http://i1154.photobucket.com/albums/p523/CaseSORoof/Machining/618Crank-02.jpg
Only a 4-jaw came with used 618. Cleaned and oiled 4-jaw won't hold small stuff securely. These CDCO collets are suitable for my intended purpose, holding stock for small parts. This thread was very timely for me. Yes, clean stock only. http://bbs.homeshopmachinist.net/threads/58049-Holding-rough-stock-in-collets http://i1154.photobucket.com/albums/p523/CaseSORoof/Machining/618Collet-01.jpg http://i1154.photobucket.com/albums/p523/CaseSORoof/Machining/618Collet-02.jpg

The ideas and discussions in HSM have been a great help in getting me going.
Thanks, JFLingg

sasquatch
02-25-2013, 09:29 PM
JFLingg, is that the collet set that goes up to 5/8in dia?

JFLingg
02-25-2013, 09:38 PM
Yes, Sasquatch, this set goes up to 5/8", 1/8 to 5/8. My order from CDCO was done via the Website, quick delivery by UPS. One reason I ordered from them is because they have items made to fit the Atlas 618. JFLingg

iMisspell
02-26-2013, 04:00 AM
Curious, why the crank ?

Astronowanabe
02-26-2013, 04:20 AM
Curious, why the crank ?

Threading to shoulder

tiny threads

metric threading

no reverse (disconnected so I don't need to worry about chuck unscrewing)

oddly enough, turning a half circle

I use a 10" three spoke pulley wheel without extra handle bits to unbalance it
so I can just leave it on if I'm running the lathe under power

expanding arbor basically cloned from a Jacobs taper

michigan doug
02-26-2013, 05:55 PM
For when the power goes out of course.

That was generally the apprentice's job, to crank the lathe...

Thank God for electricity...although it would be nice to have an apprentice to clean up and do the gopher work.

doug