Hi bob, I have been browsing a few machinist forums researching the good the bad and ugly about lathes.
There are many many variables that I have to contend with for my first lathe purchase that can be daunting for a low knowledge buyer like me, because as I'm learning most of the variables only become a pro or con based on intended use and not the lathe itself.
My intended use will be many applications so I need a well rounded lathe, A plus to old Iron is weight and stability and robustness, the cons are the 9" and 10" size Logans and Southbends Iv'e run across lack high RPM for small size light base materials such as Aluminum and brass and older lathes do not fair well with metric threading without changing gear sets, the Logans still have some parts available from Logan so I'm leaning that way ( some at least ), RPM is a plus for the new import lathes but they're lacking power on small units but at the new price tag to go with it $3500.00 to start for a decent new lathe that has the minimum features I believe I will make use of.
As far as I can tell I would to soon out grow a mini lathe, not that they cant be made to be accurate but due to size and ability to work mild steel. So unless I'm willing to fork over big bucks for a new large lathe - I need to find and love an old one. In fact many common features found on an older model cant be found on imports till after the
$2700.00 range of an
8" X 20" Powered cross slide for instance, and many don't have a reverse function.
This research is killing me cause even most the terminology is alien to me, Engine Lath, Tool Lathe, Turret Lathe, Quick release tool post, and many many more. And the mis-information ( or misleading information ) is the worst part - and the lathe is the cheap part of this transaction, even thou there are basically just a couple manufactures of the import lathes that are all just re-branded models - very few places carry a decent line up of Accessories, and the research list goes on and on.
unfortunately manual lathes are all but none existent here so my options are limited, Even import lathes are no where to be found here, I have to either search remote areas for old iron that may harbor unseen issue at a great beginner price or purchase a new much more expensive machine from a trusted brand for the backing such as grizzly or amazon, Ebay for this is not really a good option.
Thats about 1/2 of what Iv'e learned to this point, I have a list of wants...
My first lathe needs to: ( some what negotiable if I'm not thinking this thru proper )
fit in an area of 5' X 2' .
Be around 800 to 1000 Lbs on a pedestal, I can move that my self.
Be between
9" X 22" and 12" x 32" center to center.
have the ability to turn aluminum and steel with reasonable accurately, Pre-loaded backlash a plus.
have a reverse function ( for left handed threads I think ) for drilling and working either side of the project as needed.
Powered cross slide and compound slide.
Have a Std Tailstock, Turret would be ok.
Have a Std tool post, QCTP would be great but not necessary.
Have an enclosed 240v electric motor single phase, Not hanging off or supported at the rear, V belt preferred but not a deal breaker.
Have heat/induction treated ways ( Hard to tell on old iron ).
Have a self centering chuck.
Can have a gear head.
Thats off the top of my head, I'm sure I'm missing lots.
I intend to make allot of my own accessories after I learn enough about tooling, I intend to get a decent Mill as well - Lathe first thou.
I would like to find a complete lathe, getting a good price on a lathe with missing components just makes things harder, even if I need to replace an item down the road having the original part with the lathe makes identifying what a correct replacement looks like is very helpful.
Old with surface rust in usable condition is ideal ( better price ), but strait is a must - I don't mind getting my hands dirty and cleaning it up.
Here is one that interests me an 1875 Logan lathe, if its mechanically fine I think i cant tackle the rest.
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