UNDERSTANDING THE MODEL 320
DIAMOND HONE
®
SHARPENER
The unique Chef’sChoice
®
Diamond Hone
®
Sharpener is designed to sharpen knives with
either straight or serrated edges. This two (2) stage sharpener has a precision conical
sharpening / honing stage with fine 100% diamond abrasives and a unique polishing/stropping
stage using proprietary flexible abrasive disks. This combination can be used to create either
an astonishingly sharp, smooth faceted edge for effortless cutting and presentations or one with
a selected amount of residual “bite” along the facets.
The sharpening and honing actions are controlled by using precisely angled guides for the blade
and precisely matched conically surfaced abrasive disks. The sharpening angle is slightly larger
in Stage 2 than in Stage 1.
Fine diamond-coated conical disks in Stage 1 create microgrooves along the facets on each
side of the edge establishing the first angled bevel of the edge.
In Stage 2 ultrafine abrasive disks polish and strop the facets immediately adjacent to the edge
creating a microbevel and establish a microscopically thin straight and super polished edge of
astonishing sharpness. The stropping action simultaneously polishes and sharpens the
boundaries of those microgrooves created by the diamond abrasives in Stage 1 adjacent to the
edge until they become sharp micro flutes that will assist the cutting action with “difficult to
cut” materials.
This unique two stage design gives you an edge of remarkable sharpness and because of the
second angle bevel it creates, you will note knives stay sharp longer than those sharpened by
conventional means.
The following sections describe the general procedures for optimal sharpening. One of the
important advantages of using the Model 320 is that you can strop and polish your knives to
razor sharp edges as often as needed and yet experience little knife wear compared to older
sharpening methods. Resharpening can commonly be done by using just the stropping action
of Stage 2. (See Resharpening Section).
The Chef’sChoice
®
Model 320 Sharpener is equipped with manually activated diamond
dressing pads that can be used if necessary to clean any accumulated food or sharpening
debris off the surface of the polishing/stropping disks. We strongly urge you to clean knives
before sharpening them. You will find you can go months or over a year before you need to dress
these disks. Only if you sense a distinct decrease in polishing efficiency will there by any need
to use this convenient feature described further in a subsequent section.
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