Here are some pictures of Marc Micllef's 9x20 lathe. He has came up
with a great looking
tumbler reverse forward / neutral / reverse lever , saddle lock and way protector.
I've included some comments from Marc and if you have any questions you can
contact Marc at : RatGuru@aol.com
Thanks Marc and keep up the great work!!!
Tumbler Reverse Lever
Saddle Clamp Lever
The secret to making the set screw adjustment work is to
use a different thread for the adjustment. With both threads the
same, no matter how many degrees you turn the set screw, the distance never
changes between the 2 parts. By using a different thread pitches,
the distance between the 2 parts will now change as the stud is rotated.
The greater the difference in pitch, the greater the distance changes per
degree of rotation. I ended up going with 5/16-18 on the clamp shoe
& 5/16-24 on the handle. It works very well & you can set
the handle to lock anywhere you want. With the coarse thread on the
shoe, it releases fully within about 30 deg. of rotation. Like the
tail stock, I also put a spring on the saddle clamp shoe to keep it from
binding as the carriage is moved.
For the way protector, I used a piece of entry flap from a dog
house I had laying around. I wanted it longer for better protection
but it interfered with the chuck. To get around the problem, I cut
off a short piece of aluminum channel and secured it with one of the follower
screws to keep the flap clear of the chuck. I've had no problems
using the stock 3-jaw with it. But with the 4-jaw chuck, it was too
long and stopped the carriage before reaching the chuck. It is just
a simple matter of taking the channel off and swinging the protector out
of the way for 4-jaw operations. In the side view it appears to be
just about touching the chuck because that side isn't fastened so it tends
to lift higher, but it's actually quite a way from it.
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Copyright 2001 / 2004 Steve Bedair