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Hi , I know this is an old post , but im interested in very hobby Plamsa set up. I have small MPCNC that I would like to try a plasma cutter on. My current issue is what Plasma cutter to use, I can...

thanks

thanks devastator,
Ill check alignmnet
I though maybe these couplings are supposed to break when something goes wrong to prevent motor or machine damage (also i have no limit switches )
ive...

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apparently 60mm per sec, 3mm into plywood too fast !

enclosure mostly done, also got 0.8 kw spindle, waiting on some collets332644332646332648

thanks mate. now i just have to get volume down enough to use it !

frame with staggered studs to weave insulation between331250

enclosure plans331248

http://www.cnczone.com/forums/attachment.php?attachmentid=331118&stc=1 who ho - got machine working, small manual test cut, all good so far

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have dismantled old machine and starting to get metal bits for rails, welding skills sorely lacking........330804

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thanks robe,

sanding and drilling next

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thanks Brian , i will, some progress today - most pieces cut330224

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this is the base of the plywood machine im building

http://www.cnczone.com/forums/attachment.php?attachmentid=330128&stc=1im cutting some pockets out with current machine, but will cut outline with jigsaw or table saw
surprising it can cut at all...

http://www.cnczone.com/forums/attachment.php?attachmentid=330126&stc=1
this is the MDF machine - note my attempt to stiffen up sides of gantry - originally only 10mm mdf sides

http://www.cnczone.com/forums/attachment.php?attachmentid=330004&stc=1

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Hi, i bought a hobby build machine a few years ago and havent used it for a while, It is very sloppy and I tried to tighten it up a bit ,and that may have been a mistake as some MDF delaminated. ...

thanks roger, so acme can be metric or imperial?
thanks steve for explanation of making nuts

found this -
https://en.wikipedia.org/wiki/Trapezoidal_thread_forms
says acme 29 degrees and metric trapezoidal 30 degrees-
i think mine was spot on 10mm and approx 2mm per thread so
TR10x2 ?
...

thanks mike its definitely 10mm (or maybe 3/8 )external diameter , will check out link cheers

thanks roger - approx 1 thread every 2mm?, 5 per 10mm i guess

i have some leadscrew dont know if acme, i believe they were sourced in UK,
if i could find a matching one for my Y-axis 1200mm, i could redesign my machine to have 2 motor on Y, which may be...

thanks Gerry,
Thanks for that

I understand that there are much better quality rail, but even these chinese supported rails are outside my current funds, the profiles rails seem to be 3x the...