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[Sirio77]

Good morning to all,
I'm luca and I'm a registered mole.
It's been a long time since I've been gathering here and the information, an idea of maximum now I think I've done it but I would like your opinion on it (better still a few straight and/or material) as far as I'm going to expose you.
I follow for work a dear friend who has a mechanical processing company, is very well structured with avant-garde cnc and important investments.
constantly looking for improvement, it is facing outside the Italian borders acquiring more and more foreign customers, in order to be competitive in terms of timing, would like to resort to the prototyping of mechanical pieces (of which it owns only the maths) in order to be able to preview the equipment for cnc.
the pieces that should work are large castings, say 800x600x500. . . we have seen different types of machines and various costs. ..according to you is thinkable and feasible (in terms of cost and technology) buy a machine (also used) to prototyping directly "in the home"? '
is it possible to divide the particular into several pieces and then assemble it?? (if I have not understood bad machines with dimensions like those affecting us costs 750000€ (more or less)
last question...is there a model/technology that can also carry out small sets of smaller objects?? (key doors, models etc.)
n.b. we would not have particular need for precision. . .
thanks to all

 

[paolofo]

hi sirio77,
Before I can give an answer I would like to confirm, the prototypes must be metallic and must be reworked and must be functional, or they only serve prototypes for a dimensional evaluation so is any material okay? .

 

[Sirio77]

Hello Paulo,
Thanks for the answer.
Let's say that the main requirement would be to have available a "maquette" of mathematics that reproduces the model in scale 1:1 in order to be able then to "seat on" the equipment dedicated once in production with the real jets.
other use, being able to carry the models around for fairs without having to move every time 300/350kg cast iron.
I know I'm pretty generic in my descriptions (I don't want to tediate you with poems) but I don't want to pass for the classic person who wakes up and decides to make prototyping. ..that in fact is a galaxy and of this we are aware of it but there is a lot of flesh on fire and this definitely in the plan of investments is an important voice and that you would like to keep in mind.
thanks to the interest.
Good day

 

[paolofo]

I would say that it is not high-precision models, an economic and functional solution is the use of adequate size fdm machines, at this address you find a list of those available on the market: http://www.3ders.org/pricecompare/3dprinters/Of course you go from the toy to the semi-professional ones, in this forum there are also users who distribute such machines, I also know others but I do not want to advertise.
I would shock you because you should think about eos / 3dsystem nylon sintering because very expensive and challenging to use, and stereolitographs because the built models are a little delicate.
if you need more info let me know.

 

[Sirio77]

Hello Paulo
As always thanks to the interest, I looked at the link and sincerely beyond the printing size and the cost (which are not related) sincerely took me by surprise recommending the fdm technique not so much for the technology itself but rather for the size of the object that I will have to realize (800x600x500) you say that it is feasible to separate the model and then assemble it with the given dimensions? If you want in mp I can post an example file. help me!

 

[paolofo]

Hi.
professionally for size of that kind you can find this http://live65.stratasys.com/it/stampanti-3d/production-series/fortus-900mc Working field 914 x 610 x 914 mm, of course costs are disproportionate.
However, there are excellent mid-range machines, also produced in ialia that can build objects of that size.
the assembly of several small parts for the construction of a large model is a technique normally used in prototyping.
send me math in mp so I can also understand the complexity of the object and tell you if easily feasible in fdm.
What kind of machines were you thinking?
Palo