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Cox Engine of The Month
July-2024
robot797's
![](https://i.servimg.com/u/f95/15/46/86/41/3_robo10.jpg)
"ULTIMITE COX 010: it has a clutch, E starter, throttle, exhaust, aluminum tank, aluminum venturi, gearbox with forward and reverse, and now its on a custom drawn and printed stand"
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PAST WINNERS
robot797's
![](https://i.servimg.com/u/f95/15/46/86/41/3_robo10.jpg)
"ULTIMITE COX 010: it has a clutch, E starter, throttle, exhaust, aluminum tank, aluminum venturi, gearbox with forward and reverse, and now its on a custom drawn and printed stand"
![](https://i.servimg.com/u/f95/15/46/86/41/sponso12.png)
PAST WINNERS
Lathe interchangeability
Page 1 of 1
Lathe interchangeability
Wood lathes as metal lathes. Can this be done for small parts? I realize I will need to change the chuck. I am most concerned about ruining the motor or belts. 80’s craftsman unit.
I don’t do much woodwork apart from building small pieces for farm work.my Wife received a lathe from her father but it resides in my shop so I want to make it useful.
Ron
I don’t do much woodwork apart from building small pieces for farm work.my Wife received a lathe from her father but it resides in my shop so I want to make it useful.
Ron
Last edited by Cribbs74 on Sun Jan 13, 2019 7:14 pm; edited 2 times in total
Cribbs74- Moderator
Posts : 11904
Join date : 2011-10-24
Age : 50
Location : Tuttle, OK
Re: Lathe interchangeability
I tried using a wood lathe to turn parts by installing a 3 jaw chuck. It would be expensive to outfit it with a tool holder and cross slide. Only could use it using files, sandpaper and a grinding wheel. No real precision work.
coxaddict- Gold Member
- Posts : 429
Join date : 2013-01-27
Location : north shore oahu, Hawaii
Re: Lathe interchangeability
Not claiming expertise as a machinist, but, the short answer is no. Not without considerable conversion and accepting something like 1/4" tolerance, at best. Right tool for the right job rule applies.
Rick
Rick
Slick049- Moderate Poster
- Posts : 25
Join date : 2018-12-26
Re: Lathe interchangeability
Delta made a compound for their wood lathes back in the days . I started as an app. wood model maker at Lewis Research Center ( NASA ) back in the late 60's and we had 2 Deltas and a South Bend lathe . Even with a 3 or 4 jaw chuck it was possible to hold .005+- tolerance on the Deltas . I sold my own South Bend lathe but I have an old wood lathe with a three jaw chuck and can still turn small parts with hand tools to +- .015 . The old Delta compounds still can be found in stores that sell used metal and wood working tools and garage sales .
Mike1484
Mike1484
Mike1484- Gold Member
- Posts : 300
Join date : 2011-10-28
Age : 75
Location : Northern Ohio
Re: Lathe interchangeability
You are going to want a small metal lathe for small metal parts. Using a wood lathe is not an option. Tool height and angles are critical for metal work. Sell the wood lathe to fund a metal lathe.
I have a Harbor Freight 7x10 mini lathe. Bought it in ‘99. It does have limitations with size and power. Also the cross slide needed to be hand lapped to work smooth. Accessories and tooling cost more than the lathe.
I also have a Rockwell 14”x40” lathe for big work. Also have a Jet 9”X40” vertical mill. Not every one needs tools this size but I have saved thousands in parts by making my own for the farm.
South bend made smaller 9” lathes. The thing with older lathes is they can be wore out. If it takes two turns on the cross slide to notice movement it’s going to need work. The bed ways can be wore out too especially by the headstock. The other thing with older lathes is parts availability. My Rockwell lathe is from the 70s but it’s orphaned on parts availability.
I have a Harbor Freight 7x10 mini lathe. Bought it in ‘99. It does have limitations with size and power. Also the cross slide needed to be hand lapped to work smooth. Accessories and tooling cost more than the lathe.
I also have a Rockwell 14”x40” lathe for big work. Also have a Jet 9”X40” vertical mill. Not every one needs tools this size but I have saved thousands in parts by making my own for the farm.
South bend made smaller 9” lathes. The thing with older lathes is they can be wore out. If it takes two turns on the cross slide to notice movement it’s going to need work. The bed ways can be wore out too especially by the headstock. The other thing with older lathes is parts availability. My Rockwell lathe is from the 70s but it’s orphaned on parts availability.
Jason_WI- Top Poster
Posts : 3123
Join date : 2011-10-09
Age : 49
Location : Neenah, WI
Re: Lathe interchangeability
Jason ,
Does your Rockwell have the cone speed control or is it geared ? My South Bend was a 13" model , I even had a collet bar and collets for it . Wish I still had it .
Mike1484
Does your Rockwell have the cone speed control or is it geared ? My South Bend was a 13" model , I even had a collet bar and collets for it . Wish I still had it .
Mike1484
Mike1484- Gold Member
- Posts : 300
Join date : 2011-10-28
Age : 75
Location : Northern Ohio
Re: Lathe interchangeability
It’s variable speed reeves drive and has 2 ranges in the headstock gearbox. I have a Buck 3 jaw Tru(ely a pain in the a$$ to)Adjust chuck, 4 jaw chuck, face plate with dogs, steady rest and follower rest. It has a LOO spindle taper. It was 3 phase but swapped the motor out for a 3 HP large shaft single phase 220V motor.
Looks like this.
![Lathe interchangeability 7cac8410](https://i.servimg.com/u/f32/16/99/97/34/7cac8410.jpg)
Looks like this.
![Lathe interchangeability 7cac8410](https://i.servimg.com/u/f32/16/99/97/34/7cac8410.jpg)
Jason_WI- Top Poster
Posts : 3123
Join date : 2011-10-09
Age : 49
Location : Neenah, WI
Re: Lathe interchangeability
We had one of those in or shop also .Brings back a few memories . Thanks for the picture , I just could not remember what they called that drive system .
Mike1484
Mike1484
Mike1484- Gold Member
- Posts : 300
Join date : 2011-10-28
Age : 75
Location : Northern Ohio
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