I recently scored myself a brand new Indexa Seiki facemill for very little on eBay and while it was a deal for the money, it didn't come with an arbour, so I figured I would make my own, though I will be deviating just a little from the standard design by omitting the taper shank and after taking measurements from the facemill, I eventually drew up the plan below (see attachment for high res version).
The main reason for the change is that my mill's drawbar is only 9/16" in diameter and rather prone to malformation when attempting to dislodge stubborn MT2 shanks. So instead, I plan to bore and thread the arbour to fit the various spindles I have in my workshop, which are all the same size and tpi.
The advantage of going this route is that the arbour will be concentric to the spindle during the turning operations, once the initail drilling, boring and threading operations have taken place.
Here is part 1
It's not the destination but the journey you take to get there that matters.
I do make a lot of my tools&tooling along with other stuff, but with the price of the china stuff like this,I cant buy the chunk of steel for the cost of the tool...so...yup I have 3 or 4 of these made in china. and no wear & tear on me or my stuff. along with my brain not quite as sharp as it was...and memory..well thats almost a thing of the past.no short term any longer so it's getting had to do this kinda stuff any longer off the top of my head. if I can sit down and make prints Im fine....thats if my brain dosent trun off in the middle of drawing & figuring.. keep up the great work!!!!
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