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🏠Home💠RC Main Discussion › 3d printers
04-24-2020 05:29 PM  38 days ago
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whirlyspud

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USA

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3d printers
Covid boredom has me considering a home use 3d printer. I have a 3d printer at work that I can use when I want, but it is kind old. It was top of the line 10 years ago. That said one of today's printers for 3-400 dollars can probably do a better job than this 30k machine from 10 years ago.
Which one's do you guys like?
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04-24-2020 07:07 PM  38 days ago
dgoss999

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For small Fine scale work - Anycubic!"Believe none of what you hear, and only half of what you see." • Benjamin Franklin
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04-25-2020 06:26 AM  37 days ago
Heli143

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From what I’ve seen the resin printers are the best way to go for an inexpensive model. A buddy has a resin printer which cost about $200 and the items he has printed for me have awesome detail to them. Very smooth surface also. I’m definitely going to get one of those when I can afford it. 😷Roy Mayoral
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04-25-2020 02:30 PM  37 days ago
Peter Wales

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I would be very interested in hearing what you end up with. I havew a couple of the $30k printers (Stratasys?) and have not yet seen anything that compares with the ease of use of these machines. Some SLA printers build support struts which need to be nipped off and sanded down, others need to be dipped in solvent and the cured again. With my printer, support material is water soluble so I just wash it off and get a nice clean surface in a couple of minutes.

I have been reading reviews on lower cost resin printers and as the price comes down, so does the quality of the machine. When they work they seem to make their owners happy, but I have not read a long term review yet
Peter Wales
http://scalehelicopters.org
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04-25-2020 02:49 PM  37 days ago
chopper37

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“ A couple of 30k $ printers “. Yikes. Might be a bit much for the average weekend scaler
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04-25-2020 04:24 PM  37 days ago
cdrking

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Peter,

Please tell us more about these printers, would enjoy seeing some pictures.

I just purchased a Prusa I3 MKS3S, $749 plus shipping. It’s an excellent printer, really straightforward build and easy to set up. Still not exactly sure what I’m going to use it for, I’ve been out of RC for a while now. It’s been really fun to learn something new though.

Jeff
To hover is divine, the alternative is rather PLANE.
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04-25-2020 08:45 PM  37 days ago
Peter Wales

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These are the printers I have. I bought the one at the back new and when the company who made it went out of business, I started maintaining it myself. After a while I began to know the insides of these things and when I saw another one on Ebay for $1500 which kept blowing UV bulbs I could not resist it. A $125 bulb and a recalibration of the intensity and it has been running well for 3 years now. They are SLA machines not DLP and have resolutions in microns.

These machines use 2 materials (which is bloody expensive). The build material which can come in 5 different flavors depending on your requirements, and support material which is a very soft material. When I take the finished product from the machine I can usual scrape the support off, but if it is in a tight crevice I wash it out with a special pressure washer which is like a sand blaster but uses water. No post processing is required, just a quick dunk in some acetone to degrease it and then primer or even direct paint.

These machines are supposed to have a service life of 5 years but the original is from 2010 and the later one from 2012. The original one is in better shape as it has had less use. I used them a lot to print instrument panels for Joe Howard, but he doesn't carry them any more. This is the sort of thing I used to make.

Something else I printed. 60degree IGB for the Seasprite

Peter Wales
http://scalehelicopters.org
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04-25-2020 09:08 PM  37 days ago
whirlyspud

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Peter, Old Stratasys is what I use at work. ABS only. I like it for prototyping, but the strength of the material leaves alot to be desired.
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04-25-2020 09:30 PM  37 days ago
Peter Wales

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The gearbox was printed in Vero clear. Somehow I doubt your boss will spend $700 on a box for you to make stronger stuff. The Vero clear is like a rock.

I did not know the Objet 30 printer would print ABS. I haven't been paying attention lately, but I expect if I wanted to print ABS I would be in for an expensive upgrade to the V3.
Peter Wales
http://scalehelicopters.org
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04-26-2020 12:45 AM  37 days ago
whirlyspud

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It may be my old eyes, but the surface finish on your tail box looks really nice. Machine at work is 1200bst if I remember right. Like I said, makes nice parts but the details like posts and such break off too easily. I had a friend print the same part on his machine at home. I forget the material he used, but it was much stronger than the ABS we use.
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04-26-2020 04:04 AM  36 days ago
cdrking

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Thank you for posting pictures. Fun stuff for sure.To hover is divine, the alternative is rather PLANE.
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04-26-2020 09:55 PM  36 days ago
Heli143

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Here are pics of the pieces my buddy Ron printed for me on his $200 3D printer. I like them and his printer is great IMO for someone on a budget.

Roy Mayoral
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04-26-2020 09:57 PM  36 days ago
Copter Doctor

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Wow those came out great!drive a rotary, fly a rotorcraft
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04-26-2020 10:15 PM  36 days ago
chopper37

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Roy, those parts look great certainly good enough for me
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04-26-2020 10:26 PM  36 days ago
206 pilot

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Parts look fine to me.
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04-26-2020 10:33 PM  36 days ago
dgoss999

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These were some bits I did recently on an old AnyCubic Resin Printer.

These are 1/4 scale....

DG
"Believe none of what you hear, and only half of what you see." • Benjamin Franklin
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04-26-2020 10:37 PM  36 days ago
chopper37

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Very nice there dg parts look very smooth
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04-26-2020 10:37 PM  36 days ago
407RotorRon

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Orlando

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I've been using the Longer Orange 30 resin printer I got for $300 in January. The print quality is really good and its simple to use. For my 1/6 scale cockpit I printed the cyclic sticks and grips, collective head and heater vents at base of the seats. The foot pedals are also 1/6 scale. Like Peter mentioned the parts are printed with supports but they break away easily after rinsing off with isopropal alcohol. A few minutes in sunlight and they are uv cures and ready for paint. Occasionally there may be a rough surface that need sanding, it just depends on the orientation of the part in the print environment when printed.

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04-26-2020 10:40 PM  36 days ago
dgoss999

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For what they cost - they are a brilliant addition to any workshop.. The have a small print area - but if you want bigger items you can still draw them up and ship them out to be printed!!

DG
"Believe none of what you hear, and only half of what you see." • Benjamin Franklin
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04-26-2020 10:43 PM  36 days ago
chopper37

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DG, what software are you using?
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