Don Schwartz wrote:
>
> On 10/19/2014 9:56 AM, James Thompson wrote:
>> ... I still do not see how a burnisher needs to have a sharp edge. I think we
all have at least one burnisher, and i have serious doubts that any of them are
sharp.  But I am open to persuasion.
>>
>> Anybody using a sharp edged burnisher? My finest one has fine edges, but
those edges are smooth, not sharp. I don't see how a sharp edge could remain
sharp when used to burnish steel. Seems to me that the sharp edge would roll
over, or break.
>
>
> Here is a link to Diefenbacher Tools' site. They offer three types of
burnishers for scrapers - round, oval and (yes) triangular - and give some
insight into their use.
>
> http://www.diefenbacher.com/accessor.htm#Scraper%20with%20prepared%20
edges">http://www.diefenbacher.com/accessor.htm#Scraper%20with%20prepared%20edge
s

Given that the most typical error in scraper prep is excess pressure when
turning
the burr, using a larger burnisher area will automatically decrease the
pressure.

  BugBear