We have to admit that our first thought on seeing a Frankenlathe made from old engine blocks was that it was a set piece from a movie like The Road Warrior. And when you think about it, the ability to cobble together such a machine tool would probably make you pretty handy to have around in an apocalypse.
Sadly, surviving the zombie mutant biker uprising seemed not to be the incentive for [Paul Kuphaldt]’s version of the [Pat Delany] “Multimachine”. He seemed to be in it for the money, or more precisely from the lack of it. He was shooting for a zero-dollar build, and although he doesn’t state how close he came, we’re going to guess it was pretty close. The trick is to find big castings for the bed and headstock – Mopar slant 6 blocks in this case. The blocks are already precision machined dead flat and square, and the cylinder bores provide ample opportunities for stitching the castings together. The drivetrain comes from a 3-speed manual transmission, a 3/4-ton Chevy truck axle donated the spindle, and a V8 cylinder head was used for the cross slide. The tailstock seems to be the only non-automotive part on the machine.
We’d love to see a video of it in action, but there are ample pictures on [Paul]’s website to suggest that the heavy castings really make a difference in keeping vibration down. Don’t get us wrong – we love cast aluminum Gingery lathes too. But there’s something substantial about this build that makes us feel like a trip to the boneyard.
When it comes to machine tools, a good rule of thumb is that heavier is better. A big South Bend lathe or Bridgeport mill might tip the scales at ludicrous weight, but all that mass goes to damping vibration and improving performance. So you’d figure a lathe made of soda cans could use all the help it could get; this cast concrete machine cart ought to fit the bill nicely
Perhaps you’ve caught our recent coverage of [Makercise]’s long and detailed vlog of his Gingery lathe build. If not, you might want to watch the 5-minute condensed video of the build, which shows the entire process from melting down scrap aluminum for castings to first chips. We love the build and the videos, but the lightweight lathe on that wooden bench never really worked for us, or for [Makercise], who notes that he was never able to crank the lathe up to full speed because of the vibrations. The cart attempts to fix that problem the old fashioned way – more mass.
There are a few “measure twice, cut once” moments in the video below, as well as a high pucker-factor slab lift that could have turned into a real disaster. We might have opted for a countertop-grade concrete mix that could be dyed and polished, but that would be just for looks. When all is said and done, the cart does exactly what it was built to do, and there’s even room on it for the shaper that’s next on the build list. We’re looking forward to that.
Continue reading “Bulking up a Lightweight Lathe with a Concrete Cart”
[Makercise] has been working on a Gingery Lathe since September last year. His videos on the process are by far the most detailed, clearly shot, and complete series on making a Gingery lathe we’ve come across.
For those who aren’t familiar, the Gingery series of books describe how to build an entire machine shop’s worth of bench top tools using only the hardware store, dumpster dives, charcoal, and simple skills. The series of books start out with the charcoal foundry. [Makercise] has built a nice oil fired foundry already so it’s off to the next book, Gingery 2, is the metal lathe.
The Gingery books and, really, most DIY books from that era are: not well laid out, well written, or even complete. All but the most recent prints of the series still looked like photocopies of typewritten documents with photos glued on. The series provided just enough detail, drawings, and advice to allow the hobbyist to fill in the rest. So it’s really nice to see someone work through the methods described in the book visually. Seeing someone using a scraper made from an old file on aluminum to true the surface is much more useful than Gingery’s paragraph or two dedicated to the subject.
[Makercise] is fast approaching the end of his lathe build. We’re not certain if he’ll move onto the Shaper, mill, drill press, brake, etc. after finishing the lathe, but we’re hopeful. The playlist is viewable after the break.
Continue reading “The Best Gingery Lathe Video Series To Date”