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Nice looking welds, I'm glad you got it figured out! It's always frustrating when you get a new machine and start having problems. Always second guessing if you are doing it right or if something is wrong somewhere else. If you decided to try the coke cans again there is a varnished that is...

Did you keep the original pulleys on your taig or make new ones? I notice the rpm is significantly higher than the motor that comes with the lathe.

Thanks for the post! I've been considering doing this to my taig lathe, but I wasn't sure if the treadmill motor would handle it. Could you post the specs on that treadmill motor?

Welcome to the forum! Saying hello from Findlay, OH! How much machining experience do you have? That may help us give you better suggestions for a project to work on. That way we don't suggest anything too simple or complex to start with.

Yep, I'll +1 to fusion 360 also. After 30 days you can register and tell them you are a hobbyist, and it's free. There are great YouTube videos on how to use it, plus Autodesks forums are amazing. They have support personnel on the forums that can download your drawing that you are having...

Did you say you have a Bridgeport? We "power tap" on our Bridgeport at work all the time, and I haven't broken a tap doing it yet. All I do is put my tap in a keyless Chuck and turn the rpm to 60-100. I then use the quill to feed the tap into the part, and then reverse the spindle when I am...

I would say go for it. Especially if you only have a couple thousands of runout with the 3 jaw. Just remember you lose a lot of rigidity milling on the lathe in general. Some of the issues people are talking about with their slots being too big may not be coming from tool runout, but from...

I'm still tweaking in the tailstock, but here is the completed setup. I'm not sure that this will be the final design of the tailstock until I do some more testing on the current design. I added a hinge to the motor mount that way I can change speeds quicker without hurting the belt. I...

Nice work! The brass goes well with the red paint too.

I decided to take some time to make a quick change tool post. Since I don't have any keyway cutters I made a round shaft style and put reamed holes in the base every 22.5 degree to give myself some consistency if I need to put the tool at an angle. I made the post out of 4140 pre hardened...

I ended up having to rework my lathe riser block. The blueprints I found online for the bolt hole pattern must be outdated as the holes in the mounting plate of the Taig were 1\16th wider then the prints said they should be. I was able to reverse the pattern on my riser block and put the holes...

I would blue up one of your good collets and tighten it in the mill. When you take it out see how much surface contact you have between the spindle and the collet. You may be able to get away with cleaning up any high spots if there is still enough contact to hold it securely. I would also...

Welcome to the forum Peter! A lot of people on this site have had good luck with some of the Chinese cheaper brands. I myself have a harbor freight milling machine. I don't use it very often, but I am surprised by how well it works considering it's small size. I have made some...

Merry Christmas John! Glad to see some good news coming into the new year. Stay strong, and don't be afraid to come to us for support when needed. It's the least we can do for everything you bring to this forum.

I have to say my wife's the best! She pooled my family together and gave me the Taig lathe I wanted for Christmas! I've been working on the tailstock mod for a couple of months now. She probably got so sick of listening to me talk about wanting this lathe that she figured she'd shut me up...

Hey Brian, are you planning on using a bearing inside of the slotted Piston rod to help reduce friction? I also can't help to notice that the movement of the slotted piece kind of looks like an auto reversing mechanism. it travels back and forth in the horizontal direction, but stays...

Nice job on the holders! If you find you have too much flex maybe you could try to make a holder with a pocket instead of a slot. Kind of like a boring bar holder. Giving the size of your tool you probably won't have to worry about that though. Let us know how it works out.

I would maybe test the mics out by securing them in a vice with protective jaws and putting an indicator on the moveable shaft. Zero out your indicator and without spinning the mic see how much play you get when you push and pull on it. That should show you if there is really 4 thou play in...

Not too far of a drive for me, I'll try to keep the date open!

Great post Brian I learned alot from it! I'd agree with you that .0015 is overkill for a crank of that size. This is just my experience (and a guess at why, not real engineering data), but is seems like a smaller hole can't expand as much a larger hole. For example I was just pressing...