Knife Sharpening 101

Knife sharpening has come on in leaps and boundsand works especially well with alloy material knife
since the days of traditional bench grinder. Whileblades.
you can still find these, there are many other- Ceramic aluminium oxide is a new fangled
tools available now that do can do an even betterabrasive material used in grinding wheels, but it is
job sharpening knifes. When choosing the rightcatching on fast. It combines the strength of
knife sharpener for you, it all comes down toother oxides with an ability to precision direct the
personal preference and what kind of knife it issharpening process. Ceramic aluminum is rarely
that you are sharpening.used on its own, but the companion metal that
Sharpening with Grinding Wheelsgoes along with it varies depending on what kind
Grinding wheels use grains that are abrasiveof knife the wheel is designed to sharpen.
throughout the wheel. These grains then rubSharperning Shapes and The Perfect Grit
against the knife, chipping away the knife materialShapes and grits also play an important role when
and in turn making a dull edge knife sharper -choosing the best knife sharpener for you. Wheels
think of it as exfoliation for your knife. Thearen't always what you expect them to be, for
abrasive grains that are used in grinding wheelsinstance. In fact, the so called straight wheel is the
vary a great deal. Aluminium oxide is perhaps themost popular type of sharpening wheel. Cylinder
most popular kind of metal used, but manyshaped wheels are also popular, thanks to the
different types of metallic oxides are also used. Ifcutting surface they have on the front.
you have bronze or annealed steel knifes,Last but not least, you have to consider the grit
however, seek out the aluminum oxide version.size. Too much grit, and your knife will be whittled
Other kinds of oxides used in grinding wheelsaway to nothing. Too little, and you'll walk away
include:with knife as dull as when you started. The lower
- Zirconia alumina is a combination of two metals:the number on the grit wheel, the coarser the grit
aluminium and zirconium oxide, which areis on the wheel. Many people give their knifes a
extremely durable when combined, making thisgo with coarse grit to get the hard stuff out of
kind of grinding wheel the second most popular.the way and then use fine grit for spot
This kind of grinding wheel does fine with steelsharpening.