Lathe Carriage Stop Revisited

[Suttmike1]

I need plans for carriage stops. Mine need to be larger than for a mini lathe. I need to build a pair for a 15” x 60” Southbend Lathe. Any suggestions. Can you email plans for yours? I can try to upsize them.

Thanks,
Michael Sutton
Midan Gunsmithing
suttonmike72@yahoo.com

[jjr2001]

I need plans for carriage stops. Mine need to be larger than for a mini lathe. I need to build a pair for a 15” x 60” Southbend Lathe. Any suggestions. Can you email plans for yours? I can try to upsize them.

Thanks,
Michael Sutton
Midan Gunsmithing
suttonmike72@yahoo.com

Here are a bunch of them, may have plans or build pictures:
Homemade Tools Search: carriage stop - HomemadeTools.net


Nice one by Rossbotics:
http://www.homemadetools.net/forum/l...age-stop-69874

Another:
http://www.homemadetools.net/forum/n...the-stop-66194

One more:
Tom's Techniques – Micrometer Carriage Stop

Cheers, JR
Cheers, JR

[JBMauser]

I want to know if you have a hard stop attached to the way, does the carriage pop the split nut open and disengage from the lead screw? I have an old SB 9C and I am not about to try and crash it into a hard stop to find out....

[jjr2001]

I want to know if you have a hard stop attached to the way, does the carriage pop the split nut open and disengage from the lead screw? I have an old SB 9C and I am not about to try and crash it into a hard stop to find out....

Of course I have a hard stop attached to the lathe ways. That is exactly what the picture shows.
I only use it during manual feed and my nuts are still intact.
The best way to screw up your lathe would be to use power feed into a hard stop!

Cheers, JR

[JBMauser]

Thanks for the reply. I assumed that to be the case but when you learn from books only they are written assuming you have more knowledge than you might have. I have a 1929 manual for new workers pub. by General Electric that was given to new shop workers. Great stuff with pics .... do this ... don't do this. This is a broken tool.... don't use it.... here is a picture of the hospital you will go to when you screw up and do not follow correct procedures. Great stuff.

[Toolmaker51]

I want to know if you have a hard stop attached to the way, does the carriage pop the split nut open and disengage from the lead screw? I have an old SB 9C and I am not about to try and crash it into a hard stop to find out....

Oh yeah, the carriage will split the half nut open all right...once!

Hard stop = manual use only.
No bedway clamps have the means of disengaging feed rod or lead screw, normally. There are a few, MoriSeiki, Okuma and others, typically larger lathes with movable cams that trip a detent extending from bottom of carriage. Some locate on rigid cast drip pans, others use a manually indexed rod below whatever feed, lead, and clutch shaft. Those only function to halt the feed of carriage along ways.

Here on HMT.net, a very creative member 'gatz' posted his ultra positive threading kickout, pneumatic no less, astounded all of us. Perfect threading right up to a shoulder, at real RPM's. It would easily function feed-wise if reoriented to trip feed lever.
http://www.homemadetools.net/forum/l...t-set-up-68878