On 1/19/2016 12:12 AM, Sven Littkowski wrote:
> I heard, a common practice in 3D printing is, to use acetone to smoothen
> surfaces afterwards where applicable. I joint some 3D Printing groups on
> Facebook.
>
> Besides, I am really not so sure, how high the pressure on that plastic
> part is. The grinder came with a number of other plastic parts that can
> be mounted at the same location outside, where I want to mount this
> plastic part. And they have the same wall thickness (strength) as the
> part Scott and I developed. I think, I still want to give a try.
>

I suppose a lot depends on the 3D printer how good it is. I've not tried 
3D printing myself. I have seen videos and some models are very good 
while some home printers have lots of excess material that needs to be 
cut off and smoothed.
I understand your desire to try 3D printing. It is modern and an 
attractive idea.


> But in regards of the micro fauna and the fact, that 3D printing today
> (when done with a layer printer) is having a rough outside, I give you
> the point easily. I hope, with some acetone I can smoothen the inside.
> And otherwise, good cleansing afterwards and also before, each time.
>

I would be more worried about the inside of the funnel, where the meat 
passes through.
Any small fissures would be filled by the meat moving under pressure. It 
is your choice, of course. But as Scott points out. A metal one could be 
turned in an hour on almost any lathe.



> ---------------
>
> I am still trying to find a solution in regards to my round grinding
> blade. If you know any good machine shops, please let me have their
> contact information. I am aware it will take some money, but need to
> find out, how much. Thanks.   :-)
>

It would take more than money. You are really talking about prototyping.
Someone would need to make a punch and die set for the job. Then you 
would need to try it and make any changes to the design (to stop 
clogging or to cut the plastic smaller etc.).
Sorry about being so negative I hope someone can prove me wrong.



-- 

Regards
     Stephen

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