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TECNOMODEL

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Bye to all,
in the company we are evaluating the purchase of a 3d printer, a pretty small thing as size, from counter to understand.
in choice, what should be evaluated, according to you? in addition to the printing size, of course.
possibly there is a reference site, a guide etc that can help in the most suitable choice?
 
definitely to evaluate the size of the piece, quality and precision. Finally the materials that can work. an account is hobby an account is prototyping.
we have one, depends on how much you have estimated to spend.
I think you have to consider a minimum of 4/5000 euros for something that stands in a counter and works at least one 250mm cube on the side.
to do a good job should feel two/three producers and make a cross-check with your needs.
 
DrBarde said:
definitely to evaluate the size of the piece, quality and precision. Finally the materials that can work. an account is hobby an account is prototyping.
we have one, depends on how much you have estimated to spend.
I think you have to consider a minimum of 4/5000 euros for something that stands in a counter and works at least one 250mm cube on the side.
to do a good job should feel two/three producers and make a cross-check with your needs.
Click to expand...
I am already contacting some retailers, if you have suggestions on the various aspects to be evaluated I will take into account when submitting the various models.
 
quoto tecnomodel:possibly there is a reference site, a guide etc that can help in the most suitable choice?
in this article you can find useful information about the type of 3d printer to choose according to your needs.
 
Hi.
depends also what kind of prints you have to do
if they are design objects and not subject to functional stress tests, you may consider a printer with resin.
have aesthetic details, low cost accuracy, but are not suitable for mechanical stress.
with these printers, you have no object design constraints, what you think.. Realize.
then there are those for storage material .. classic wire coil in pla or abs or nylon and carbon fibers
with this type of printer, though, you are quite bound in the design of your object,
to make it short... you can't print any shape you model because you have to take into account the force of gravity
and finally there are those to deposit of metal powder and melted with laser.
in this case.. print what you want.. but the costs are approaching a 5-axis tool machine.
 
Last edited by a moderator:
Vittorio said:
Hi.
depends also what kind of prints you have to do
if they are design objects and not subject to functional stress tests, you may consider a printer with resin.
have aesthetic details, low cost accuracy, but are not suitable for mechanical stress.
with these printers, you have no object design constraints, what you think.. Realize.
then there are those for storage material .. classic wire coil in pla or abs or nylon and carbon fibers
with this type of printer, though, you are quite bound in the design of your object,
to make it short... you can't print any shape you model because you have to take into account the force of gravity
and finally there are those to deposit of metal powder and melted with laser.
in this case.. print what you want.. but the costs are approaching a 5-axis tool machine.
Click to expand...
It could be interesting the resin discourse, I still have to figure out where it would want to go to parare the company but it should be prototyping prints for a dimensional / aesthetic evaluation, mechanical resistance would be influential.
Do you have any indications of these printers?
 
on resin I don't know what to recommend and on the internet there is a jungle of printers.
If you don't do a lot of prototypes, you can consider an external service.
I attach this site where you can evaluate, making an online quote, if it is worth buying a printer and bathing blood with evidence and against evidence.
from this site, by entering the step of your model and the number of pieces, you have the final cost including shipping.
you can also choose material type, finishing quality and performance tolerances.
protolabs
 
Vittorio said:
on resin I don't know what to recommend and on the internet there is a jungle of printers.
If you don't do a lot of prototypes, you can consider an external service.
I attach this site where you can evaluate, making an online quote, if it is worth buying a printer and bathing blood with evidence and against evidence.
from this site, by entering the step of your model and the number of pieces, you have the final cost including shipping.
you can also choose material type, finishing quality and performance tolerances.
protolabs
Click to expand...
I know him, thank you.
my idea is that it would be more sensible to turn to a service, but the boss likes the game....; )
 
Hi.
in its time I had come across your own doubts, then in the company we opted for a fmd printer (wire pa6 + carbon fiber) for technical needs.

victorious has already given you excellent indications, I just allow me to add two personal considerations related to my limited experience with 3d prototypes.

Vittorio said:
if they are design objects and not subject to functional stress tests, you may consider a printer with resin.
have aesthetic details, low cost accuracy, but are not suitable for mechanical stress.
with these printers, you have no object design constraints, what you think.. Realize.
Click to expand...
the results obtained have a good resolution/tolerance very small (the goldsmith sector, for example, uses these printers widely), however the prototype is often photosentibile (perhaps depends on the resin used, I don't know) and after a few weeks it is unusable because yellow / sticky
Vittorio said:
then there are those for storage material .. classic wire coil in pla or abs or nylon and carbon fibers
with this type of printer, though, you are quite bound in the design of your object,
to make it short... you can't print any shape you model because you have to take into account the force of gravity
Click to expand...
the gravity force, with medium/high quality printers is compensated by support structures created directly by the machine (in the calculation phase of the print file) which then manually remove from the prototype, is not a big bond.
However, it is necessary to consider that there are withdrawals of the material linked to the thermal jump between the press temperature (about 260°-270° to the nozzle) and the temperature of use of the piece (environment), and the kinematics of the machine.
tolerances also depend on the quality of the machine and the materials used, but hardly descend below ±0.15mm.

"laser" machines leave them to service companies: have very high purchasing costs, often require dedicated rooms with air filtration systems and cannot be used quickly: if you have an idea it is not enough to send the file to the machine and wait for it to be printed

I hope I've helped you.

Hi.
 
I find myself very well with the latestker s5 I also bought the air manager to be able to keep it in the office without thoughts of toxicity in particular when mold abs.
 
AlessandroC. said:
gravity force, with medium printersa/high quality is compensated by support structures created directly by the machine (in the calculation phase of the print file) which then manually remove from the prototype, is not a big bond.
Click to expand...
remains of the witnesses, then you have to delete with cutters/glass/dremel paper
 
giotama said:
I find myself very well with the latestker s5 I also bought the air manager to be able to keep it in the office without thoughts of toxicity in particular when mold abs.
Click to expand...
How are you with this printer?
You know how much it costs?
I tried to print abs.. but I had big warping problems
I have a modest printer anycubic 3mega s
 
Last edited by a moderator:
bho.. I saw those prints immersed in acid.
They are not really perfect.. and some hand processing should be done
 
@ technomodel
Hey, we got a markforged from us, now it's a couple of years and we're happy with it. They are not economical and they go far beyond the target that seemed to me to understand. But I must say that their consumables are of great quality and range from wires loaded with nylon to carbon fiber, to kevlar. we use it for control glasses, small tools, etc. the print file processes it online and in this way we always use the latest update of slycing.
 
hi, I read the various comments with interest, we also in the company have a lastker s5 with material station and air manager, since we bought it I am doing various tests on the various materials available ultimakers to find what has good mechanical characteristics and "faciility" of print, I am very satisfied with the pieces printed also with technical materials, clearly we want shortcuts with dedicated glue etc. I have posted a video where I explain some of these things on my channel you can view it here:
in this video I tried to restore a double gear for a motor gear and as I had to test the different materials I took this case limit, result they all broke, but I learned a lot, in the end I found a work around to realize the working gear. I am now testing the petg ultimaker, it is true that it is a widely diffused material, but as ultimaker material has been made available recently and I think it is easy to print and have good mechanical skills, in essence I would use it as material for standard prints also for its cost enough content about 35€ to roll against about 31 of the pla which is extremely easy to print but mechanically it is not the maximum. the cost of the printer is around 9k including material station and air manager, but with the various bonuses for industry 4.0 etc you can take it home half the price.
 
Vittorio said:
bho.. I saw those prints immersed in acid.
They are not really perfect.. and some hand processing should be done
Click to expand...
In the past I worked in a company that has a statisys, using a different material for support this was then completely eliminated with the acid bath.
Of course, we are talking about printers at a cost not indifferent, that in particular was around 60k.
 
Hello, I was curious too and I took home a fdm printer anycubic 3mega s.
the problem are the supports, I had had had + budget I had seen the itching with double nozzle that reading could solve the problem supports with a second material suitable for purpose.
in firm use only external service in resin for the usual reasons , cost / management / quantity of annual pieces that do not justify the purchase.
 

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