You could ask Taig, I suppose, but if you're worried about it, why not just order some spare nuts?
I have the Taig CNC Mill 1/2"-20 Lead screw version and was wondering if anyone knew what bronze the lead screw nuts where made out of? I know I can order them from Taig but just wondering in case one day I need to make my own.
Thank you,
Eric
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You could ask Taig, I suppose, but if you're worried about it, why not just order some spare nuts?
[FONT=Verdana]Andrew Werby[/FONT]
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That's what I will probably do just order a couple of sets to have in case I need them someday!
Hi,
the traditional material for worm gears and nuts is Nickel Tin Bronze.
You could use any number of bronze types and still have a great result, any of the Aluminum Bronzes (Aluminum-Nickel, Aluminum-Silicon) would work well
as would Phosphor bronze or even Manganese or plain Tin Bronze.
Craig
Thanks Craig, I was thinking about Aluminum Bronze but did not know if it would make a difference or not.
Hi,
I suspect the nut is fairly lightly loaded and hence are not that critical.
Astronomers have long had need for extremely accurate and lash free large diameter worm wheels to drive the telescope for photography.
There has over the years been extensive research over the best materials. NickelTinBronze is the clear winner for the worm wheel and hardened 400 series stainless
for the worm. The explanation given is that the surface of the gear tooth workhardens as a result of microscopic plastic deformation, and the workhardened surface thereby
resists further wear.
Sound like a useful property for a leadscrew nut.
Craig
Note that Taig laps the screws and nuts together so you might be better off to replace the two at the same time:
Just FYI,
I have a full set of screws and nuts left over from my ballscrew conversion if anyone wants/needs them.