epoxy granite cnc lathe

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07 Nov 2022 16:13 #256148 by Masiwood123
Replied by Masiwood123 on topic epoxy granite cnc lathe
this guy works according to your sketch..dimensions, can be white or black, on the ends he can also put either a reducer made of the same material, or a flange made of flexible plastic with holes for mounting on the nut holder or on the ballscrew holder on the other side. it fit great on me and I fixed it with this hose clamp. I'm not sure about your customs, I can send it privately as a gift. I'll talk to you when I start the lathe, which I hope will be in a week or two-:)     
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07 Nov 2022 16:17 #256149 by Masiwood123
Replied by Masiwood123 on topic epoxy granite cnc lathe
jos uvek imam po neku plocu, strasno je sto danasnji klinci poima nemaju ni o muzici a ni o tom vremenu, verujem da 80posto njih nezna ni sijalicu da zavije:))
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07 Nov 2022 16:17 #256150 by andypugh
Replied by andypugh on topic epoxy granite cnc lathe
Or maybe www.eiemaskin.se/produkter/maskinskydd/ who seem to have the Arnold catalogues on their web site.
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09 Nov 2022 04:48 - 09 Nov 2022 04:51 #256261 by arvidb
Replied by arvidb on topic epoxy granite cnc lathe

www.arno-arnold.de/de/

Nice! They have a pretty interesting catalogue , showing different end connections and guides.

I'm pretty sure EIE sells to companies only (probably a better chance of being able to buy directly from Arno Arnold!), but thanks for the tip! It's absolutely worth checking them out.
Last edit: 09 Nov 2022 04:51 by arvidb.

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09 Nov 2022 22:33 #256309 by andypugh
Replied by andypugh on topic epoxy granite cnc lathe
Three hours of wobble?
Seriously, what are the units of the indicator?

Is it completely true at the chuck? 3-jaws are rarely exactly centred.

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09 Nov 2022 22:52 - 09 Nov 2022 22:53 #256311 by Masiwood123
Replied by Masiwood123 on topic epoxy granite cnc lathe
I'm trying to get the tailstock in the center with the headstock, this is only rough right now, I have to get a better indicator holder because this one doesn't hold the magnet. fi30 adapter to mt3 will go in the tailstock. I certainly checked the headstock (some Chinese version k12 also with mt3 adapter) the accuracy indicator is 0.01, I mean 1mm for full circle, and now it shows on the headstock chuck and in the middle and end of this rod 0.2-0.25mm, which is satisfactory for woodworking, but I will try to improve head chuck on the spot, to reduce the deviation
Last edit: 09 Nov 2022 22:53 by Masiwood123.

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10 Nov 2022 02:11 #256315 by andypugh
Replied by andypugh on topic epoxy granite cnc lathe
Put the indicator on the spindle and clock the tailstock bore.

That way you take the chuck and the test rod out of the equation. (even if the chuck is eccentric and the spindle is bent).

The spindle rotational axis is always a straight line unless things are very wrong (like egg-shaped bearing balls or variable-thickness inner bearing rings.
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10 Nov 2022 09:19 - 10 Nov 2022 09:20 #256331 by Masiwood123
Replied by Masiwood123 on topic epoxy granite cnc lathe
thanks for the good advice, in that case i should use this type of clock?

www.hahn-kolb.net/Sve-kategorije/Kompara...5521.cgid/sr/RS/EUR/
Last edit: 10 Nov 2022 09:20 by Masiwood123.

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10 Nov 2022 17:32 #256363 by andypugh
Replied by andypugh on topic epoxy granite cnc lathe
Clocking round the outside of a bar held in the tailstock (with your existing indicator) will work too. It's probably not worth buying a lever style gauge just for this.

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