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Precision Sharpness Testing Device
#3
> Impressive machine you made there! Great job with that.

Thanks  Smile

> What exactly is kitchen paper? 

Paper for cleaning in the kitchen:

   

> What is the "cleaning" procedure?

When cleaning, the kitchen paper is moved from the back of the knife to the cutting edge and slightly beyond. This is done at both sides. The thread holder is at the rear end and not near the knife as in the picture. But I just didn't have a better picture.

   

> Could the cleaning procedure effect burr or straighten a rolled edge?

Yes I think that can happen and this is why I am not happy with the cleaning required. In my experiments, however, there shouldn't have been much burr. Otherwise the cutting force would have had to increase with all threads as the number of cuts increased. But in the second diagram the cutting force decreases after the BESS thread. So my thesis was that the deposits were removed by the thread that followed after BESS.
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Messages In This Thread
Precision Sharpness Testing Device - by Willy - 11-01-2020, 09:03 AM
RE: Precision Sharpness Testing Device - by Willy - 11-02-2020, 03:03 AM
RE: Precision Sharpness Testing Device - by Willy - 11-03-2020, 02:46 AM
RE: Precision Sharpness Testing Device - by Willy - 11-08-2020, 12:01 PM
RE: Precision Sharpness Testing Device - by Willy - 12-06-2020, 10:09 AM
RE: Precision Sharpness Testing Device - by Willy - 04-08-2021, 07:45 AM

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