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2+2+3 More Plasma builds, double the joy ! 3X2M and 2.5X1.5M cnc plasma build.
- machinedude
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27 Jun 2020 04:08 #172834
by machinedude
Replied by machinedude on topic 2+2+3 More Plasma builds, double the joy ! 3X2M and 2.5X1.5M cnc plasma build.
that's a pretty neat concept for a drive i have been looking at the roller pinion racks the last few days. both systems seem to have some serious speed and acceleration potential. i just wonder how much force they can both exert before they start to fail in that respect? i don't think it matters to much with a plasma or process that does not have much forces exerted on the load but was curious for other applications.
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- tommylight
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27 Jun 2020 11:23 #172847
by tommylight
Replied by tommylight on topic 2+2+3 More Plasma builds, double the joy ! 3X2M and 2.5X1.5M cnc plasma build.
I did see roller pinion when it got out, but the prices were higher than a THK ballscrew so i never bothered with it again, it also does not last as long as THK and can ot withstand the forces the THK can and makes huge amounts of noise while moving etc.
"servo belt" (nothing servo about it) is simple to make (buying it is also extremely expensive for what it is) it is quiet and works as advertised.
"servo belt" (nothing servo about it) is simple to make (buying it is also extremely expensive for what it is) it is quiet and works as advertised.
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27 Jun 2020 11:37 #172850
by machinedude
Replied by machinedude on topic 2+2+3 More Plasma builds, double the joy ! 3X2M and 2.5X1.5M cnc plasma build.
the roller pinion racks can be made a lot cheaper than what they sell for they are not to involved as far as materials to make them goes. i just seen one for the first time a few days ago and was obsessed with the mechanics of how they work. been playing around with the design of them in fusion with some animation of models to see how the geometry works. not as easy as i first thought but if i play with it some more it will come together for me. just another distraction i seem to be fixated on at the moment
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12 Jul 2020 16:36 #174404
by tommylight
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12 Jul 2020 17:06 #174407
by shpatb
Replied by shpatb on topic 2+2+3 More Plasma builds, double the joy ! 3X2M and 2.5X1.5M cnc plasma build.
make sure u get them static formulas right otherwise its gonna collapse, ,
nice work!!
nice work!!
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12 Jul 2020 17:21 #174408
by tommylight
This should hold.... move on
That is about all the static calculations i did.
Replied by tommylight on topic 2+2+3 More Plasma builds, double the joy ! 3X2M and 2.5X1.5M cnc plasma build.
I did:make sure u get them static formulas right otherwise its gonna collapse, ,
nice work!!
This should hold.... move on
That is about all the static calculations i did.
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16 Jul 2020 12:19 #174838
by thefabricator03
Are you extending your workshop Tom? I have a bunch of (for one reason or another) not used galvanized I beam columns you can have if you need them. Shipping cost from Australia might be a problem tho.
Replied by thefabricator03 on topic 2+2+3 More Plasma builds, double the joy ! 3X2M and 2.5X1.5M cnc plasma build.
Sorry guys, been busy building this:
Alone!
Are you extending your workshop Tom? I have a bunch of (for one reason or another) not used galvanized I beam columns you can have if you need them. Shipping cost from Australia might be a problem tho.
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16 Jul 2020 12:29 #174839
by tommylight
Thank you very much for the offer, but shipping to Kosovo will cost much more than buying new.
That is where i will have to put these two new machines, outside in the cold ... or hot as it can get over 40 degree C here during summer. 2 or 3 years ago the temperature was -27 at night for over a month, and the lowest i remember was -38, caused some trees to crack !
Replied by tommylight on topic 2+2+3 More Plasma builds, double the joy ! 3X2M and 2.5X1.5M cnc plasma build.
Yes, unfortunately i can not extend it with concrete and bricks as the rest of it as it might get demolished next spring, by the looks of it, with the house and everything, to make space for new buildings.
Sorry guys, been busy building this:
Alone!
Are you extending your workshop Tom? I have a bunch of (for one reason or another) not used galvanized I beam columns you can have if you need them. Shipping cost from Australia might be a problem tho.
Thank you very much for the offer, but shipping to Kosovo will cost much more than buying new.
That is where i will have to put these two new machines, outside in the cold ... or hot as it can get over 40 degree C here during summer. 2 or 3 years ago the temperature was -27 at night for over a month, and the lowest i remember was -38, caused some trees to crack !
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16 Jul 2020 12:35 #174840
by tommylight
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16 Jul 2020 12:37 #174841
by thefabricator03
Replied by thefabricator03 on topic 2+2+3 More Plasma builds, double the joy ! 3X2M and 2.5X1.5M cnc plasma build.
They look good. Did you weld them with a stick welder? Or drag a MIG up there?
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