On 19-1-2016 10:51, Stephen wrote:
> 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.
>

Adding to that, I would warn that truly cleaning those possibly small 
fissures would be near impossible, with bacteria remaining behind. It 
does not seem a good idea to me.

-- 
Thomas

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