Tools: Sharpening Knives – On the House

Tools: Sharpening Knives

By on March 5, 2015

A sharp knife can make a carving job easier and safer – just ask your neighborhood butcher. Chances are that you’ll end up with an ear full and maybe even a chop or two to take home.

We learned this lesson early on from our dad. You see, during his stint in World War II, dad was a meat cutter in the U. S. Army. While growing up, we were spellbound as dad recounted his “war stories” about his adventures in such places as Marseilles, New Caledonia and Fiji.

Although our dad was not in combat at the historic Battle of the Bulge, as a meat cutter he had to do his part in making sure that our GI’s were well fed – a different sort of “battle of the bulge” if you will. Consequently, instead of being armed with the standard issue rifle, dads weapon of choice was a carving knife.

While dad did not pursue a career in meat cutting after his discharge from the service, he forever remained proud of his trade and ne’er a dull knife could be found in the Carey home. When it came to carving, dad never let the already-sharp blade touch the meat until giving it a few swipes on his bone-handled honing rod or “steel.” Hearing the sound of the blade rhythmically glide along the honing rod was a Pavlovian experience as our mouths watered in anticipation of the soon-to-be-served meal.

Many who cook expect a knife to perform miracles and will do little more than wash it. They spend hours in the kitchen preparing culinary delights only to massacre them with a dull knife.

One really can appreciate the benefits and satisfaction that come from using a razor-sharp knife. It can make a world of difference when carving the turkey at Thanksgiving or slicing ham during the holidays.

All knives are not created equal. Most are made of carbon steel. They hold an edge well, but they are tough to care for. When washed, if they are not promptly dried, they will easily stain. On the other hand they are the easiest to sharpen.

Knives constructed of stainless steel are easiest to care for. They are unbelievably wear-resistant and the chromium in their steel makes them virtually rust and stain resistant. In contrast to a carbon steel knife, the stainless steel knife is the hardest to sharpen due to its excellent wear resistance.

Always on the cutting edge, knife manufacturers have combined beauty with function to come up with a steel alloy known as high-carbon stainless steel. These knives of the future combine the sharpening properties of carbon steel with the stain-resistant qualities of stainless.

Simply stated, sharpening a knife involves grinding the steel blade against something abrasive like a sharpening stone. While there are a myriad of sharpening devices on the market, the most effective is the whetstone. It is an abrasive block make from natural stone, such as Arkansas or Washita. Some whetstones are made from manufactured materials such as ceramic, aluminum oxide or carbonium.

As with sandpaper, whetstones are made with varying degrees of abrasives. The smaller the abrasive material, the finer the stone and the smoother the finish.

A whetstone works best when lubricated with a touch of light-grade machine oil or water. Some stones work properly only when used with water. The lubricant acts to carry away metal particles as they are removed from the surface of the knife. The lubricant also helps to suspend these particles to prevent them from being ground into the stone’s surface. Don’t be greedy when using the lubricant. It can make all the difference in the finished product.

Knife sharpening is a lot like sanding wood wherein you start with a coarse paper and complete the job with fine paper. In the same manner start the sharpening process using a stone with a coarse surface and repeat the process on a stone with a fine surface. Separate stones can be used for each phase; however, a combination stone (one with both surfaces) is less expensive than having two.

A few essentials required when sharpening are above-average light, eye protection and a location where metal particles won’t contaminate food. Start by placing the whetstone on a stable surface with its end facing you and lubricate the stone with oil or water. Continue to add lubricant periodically during the sharpening process.

Lay the heel of the blade flat on the stone with the edge of the knife facing you. The spline of the knife should be slightly raised so that the angle between the blade and the stone is about fifteen degrees.

Gently draw the blade across the stone, making several passes and moving it from the heel toward the tip as you go. Be careful to catch the entire length of the blade. Next, switching hands, do the other edge, always making sure to draw the blade toward you. Periodically wipe the blade with a clean soft cloth or paper towel, and have a close look at your progress under ample light.

Don’t expect to be a pro immediately. It takes practice. With time and a bit of patience you’ll find that holding the correct angle will become easier and the back-and-forth motion will become natural.

The final step involves removing the waste metal, which is created when sharpening, but not ground off during the process. These particles are wire-like burrs along the knife’s edge. This “wire edge” is not readily visible to the eye, and must be removed in order for the knife to be truly sharp. The tool most commonly used to remove the wire edge is called a “steel” or steel-honing rod. These are generally available at most department stores and can be found in fine cutlery shops. Use a steel with a secure handle that is protected by a guard to avoid injury.

Just as with the whetstone, the angle between the blade and the rod should be maintained at about fifteen degrees. Beginning at the blade’s heel, draw the knife along the rod toward the handle, maintaining a steady, gentle pressure. Flip the blade over and repeat the process

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