How Do Self Sharpening Knives Work?




How Do Self Sharpening Knives Work

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Knives are available in various types, shapes and even colors. You need to know how to choose the right knife and you are good to go.

The article below guides you on the various things you need to learn about knives if you have ever been interested before. And at the end of this article, you will be able to know a lot about knives.

There is no excuse of not having a good knife after going through this article because it covers almost everything you need to know.

If you have had problems buying fake knives every time it’s now your time to shine worry no more.

Can You Ruin A Knife By Sharpening It

How Do Self-Sharpening Knives Work?

These blades are found in rotary paper cutters. There is a cutting edge at the base of the paper cutter and a metal strip alongside the cutter.

When the cutting blade is cutting paper, it runs itself on the metal strip and that is how the blade gets sharpened.

The sharpening blade works for some people and does not for others that is still a debate. The self-sharpening blade can dull and the sharpening design is what removes chips and nicks from the knives cutting wheel this lengthening the life of the knife.

Self-sharpening also ensures that a blade remains sharp for a long time. Everyone loves such kind of a knife but in real sense, it can disappoint you, or you can love the knife two things.


  • You get a lifetime warranty
  • Comes with a complete set
  • All the knives have a full tank design
  • All the knives are labeled


  • A lot of metal shavings are left behind after sharpening
  • Unnecessary steel removal after removing the drawers

Can You Ruin A Knife By Sharpening It?

A knife must be sharpened once in a while, that’s if it fills. Do not sharpen a knife after every use, you will ruin it remember that every time you sharpen a knife, it removes a certain amount of steel.

Of course, your kitchen knives should be sharp, but that doesn’t mean you sharpen them all the time. Do it just once and it will last longer.

Pros of a Dull Knife

  • It makes your arms, back and hands to strain
  • Your fingers might get injured since you exert a lot of force when cutting something
  • Dull knives are more likely to slip and cause serious cuts
  • A cut caused by a dull knife takes time to heal

Learn how to sharpen a knife and if you can’t do it, you should hire a pro to do it, after all, it’s not expensive. There are a lot of reasons why hiring a pro is important in this case.

Reasons You Should Hire a Pro

Ensures that no metal is removed during the process

To avoid injuries

A pro does a great job and he or she does it once that man’s you knife will last longer and you don’t have to replace them often.

Sharpening pros can be found almost everywhere nowadays you just contact them and they are right at your doorstep.

How Often Should You Sharpen Your Knives?

If you use the knives a lot, it’s advisable that you sharpen them every three months. If they are moderately used, then it’s good to sharpen them every 6 to 12 months.

Just remember to never sharpen knives after every use, you will ruin them and they are going to break easily. It’s costly to replace them every other time do not waste a lot of money on something you can avoid.

Sharp knives are good, but you should not overdo the thing. You also need to do it on the right way and using the right machines.

The reason why a lot of knives fail to last long is because most people do not follow the right steps, you realize that your knife is blunt, you sharpen it with a stone that is not right you are damaging your knives.

If you do not have proper machines to use, consider taking them to a pro, they will do a great job. Below are the do’s and don’ts of sharpening a knife.


  • Protect the cutting edge of a knife by cutting your food on a chopping board
  • Keep your knives clean and dry
  • Your angle should remain the same throughout the sharpening process
  • Use sharpening stones to sharpen knives
  • Strip and polish knives always
  • Always finish on a gritstone that is fine
  • After polishing the edges, horn the knife on a leather strip


  • Don’t sharpen knives on a belt grinder
  • Don’t run knives through devices or knife systems
  • Don’t slam the knife against the steel rod
  • Don’t use a knife for the wrong purpose

Is There A Knife That Never Needs Sharpening?

Yes, there are some knives that do not need sharpening but honestly, after long-term use, the knife will probably get dull it doesn’t matter what kind of knife, be it ceramic or serrated.

The knife will still work but not perfectly, so in real sense, all knives at some point will need food sharpening. Below are some knives believed not to require sharpening.

Serrated Knives

Serrated knife doesn’t need sharpening since it has a serrated edge. The knifes teeth are in a position to cut even when dull and is a great choice for those people who do not want knives that require high maintenance.

Ceramic Knives

They are new in the market and are long lasting because of the material used on it. This knife can maintain the sharpness of its edges for life. It’s true that its edges do not get dull.

Knives treated with hard metals

There are some knives whose edges have been sprayed with hard metals like tungsten carbide to prevent blades from getting dull.

How Do Self Sharpening Knives Work

How Do I Know If My Clipper Blades Need Sharpening?

Your clipper blades need sharpening if you notice them pulling at your horse, this is a major sign that your blades are dull and needs sharpening. Another reason could be because you did not prepare your horse well and the blades are catching on dust and dirt.

Pros of dull clipper blades

The life of a motor shortens because the clipper motor works overtime

They irritate your horse

Tossing a blade that has gone beyond its useful life will cause many problems

How often you should sharpen your clipper blades depends on how often you use them. Ensure that your blades are professionally sharpened.

You should do this immediately you notice that your blades start to be dull a professional will do a good job.

  • Clipper blade maintenance tips
  • You should not work your blades too hard
  • Ensure you clean clipper blades after use
  • Blades should be professionally sharpened
  • Lubricate your blades
  • Store the blades in the right manner

What Do Professionals Do To Sharpen Knives?

Knives need to be sharpened in the right manner and with the right tools and the only people who can do this are the professionals. Below are some ways that professionals use to sharpen the knives.

Using Japanese water stones

This is a stone that uses water as a lubricant, whenever you are sharpening the stone, wear away this exposing fresh, new surfaces.

When sharpening a stainless steel knife you, soak the stone for a few minutes, then place or somewhere comfortable.

While sharpening, ensure that you pour some little water on it to keep the stone lubricated, don’t wipe away water and stone particles. It helps the stonework well.

Low-cost Sharpening

If you cannot afford water stones, you can use sandpaper, just take a few passes of your knife on it and it will be sharpened well.

This is the best way to sharpen your wife if you have been wondering how to do it, it does great on your knife and you will wait for so long before having to sharpen it again.

How Often Should You Sharpen Your Knives

Is It Worth To Sharpen Cheap Knives?

Of course, if that is what you use, then you have no option, cheap knives also dull.

Cheaper knives are worth sharpening too, the only thing that makes them different from expensive knives is just a small detail that is very important.

how to distinguish best quality life

A low-grade knife is very shiny with thick blades and very heavy.

If you lift a blade and it feels too thick, then it sure is a low-quality knife. Another feature of a low-quality knife is the micro-serration, they are only added to make knives look like they are sharp but are not.

You should always be careful to avoid falling into the trap of buying fake knives, they always look beautiful and are most likely going to attract you into buying them.

If you happen to hold a knife and it feels good on your hand and you are okay to work with it, then your instincts are right that is a good knife goes for it.

What Is A Good Knife Set Brand?

There are several knives, but distinguishing the best is a tough task, but don’t worry, there are various brands for you.

Premium knife

It is a set of seven with good sharp knives, several reviewers love the knife. The knife is of a good size and can fit into small spaces, the value is great and takes less room in the kitchen.

Not forgetting how long-lasting the knives are, buyers one such can of knives that can last them for a long time.

Oster 14 piece stainless steel

This is a good set for beginners, suits someone who does little cooking and needs knives that can cut various things.

The set consists of 14 blades, which are enough in the kitchen, the knife is strong and has a reasonable weight. Its blades are sharp and cut well without any trouble.

Henckels Statement Knife

This is not suitable for professional chefs, this is great for someone who doesn’t cook a lot. They are ideal for home use, the weight is amazing too.

Statement knife is a great choice if you are looking for a quality, lighter knife. They are very sharp and you need to be careful when using them.

What Is The Best Self-Sharpening Knife Set?

Buying a self-sharpening knife is a good idea because you are saving yourself the energy you would have used while sharpening knives every now and then.

Types of self-sharpening knives

Graphite 20-piece

It has 20 knives and some of them are carving knives, inch parking knife, utility knife, kitchen shears and so many others.


  • Made of German steel
  • Well labeled slots for proper placement
  • The steel caps are brushed
  • Enough knives for more than one family
  • Series of knives are made of graphite


  • It cannot be washed in a dishwasher

Calphon 15-piece Knife

It includes 15 knives amongst them are kitchen shears, 8-inch chef’s knife, 6-inch utility knife and so many others.


  • Have labeled knives
  • The steel is forged
  • A choice product of Amazon
  • Sharpened by ceramic sharpeners
  • Has a full-time warranty


  • Can only be washed by hand

Choosing knives could be hard but when you know of the quality and weight, you will be in a position to buy a good knife.

In order to choose a knife of your own choice, ensure that you know and understand the following things; if you ruin knives by sharpening, how often to sharpen them, how to know if your clipper blades are dull and the best sharpening knife set.

In addition to that, know how to sharpen knives, learn to differentiate between fake and real, know the types of knives that do not need sharpening and try to know what professionals use to sharpen knives.

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