How and what self-sharpen ceramic knife

Today we will talk about how to sharpen ceramic knife at home, so that he regained the ability to even cut tomatoes capricious thinnest, almost transparent slices. But first, let us look at the features of the product and consider it in detail.

Features ceramic knives, unlike metal

More familiar to housewives still a metal knife, which is easily sharpened on a special stone. However, the ceramic structure of the same and use the same, but, due to the different material, has a number of advantages. It cuts softer and thinner, stay sharp longer, it looks stylish. The blade is made of such models special ceramic composition, which includes zirconia.

Manufacturing technology is not complicated, but it is unusual. Fine-grained zirconia powder prepared from a synthetic mineral zircon. It is compressed into the desired shape and then calcined at very high temperatures (around 1500 ° C, the process takes two days). The original powder is melted and then solidified, forming the blade a predetermined shape. It has high cutting capacity. The main advantages of the ceramic knife, when compared with the usual:

  1. The high degree of hygiene. Such knife not completely absorb odors and do not corrode;
  2. Very carefully cut a variety of soft foods - fish, fresh baked goods, fruits and vegetables;
  3. Incredibly easy. This quality is especially appreciated in the professional sphere, where they often have to work with a knife;
  4. Does not require frequent sharpening, much longer than metal, it retains the original sharpness of the blade;
  5. Long retains its presentation, it does not tarnish.

The thing is, of course, useful in the economy. But! Pottery also has disadvantages. Firstly, it is more brittle than metal, is therefore not recommended cutting knife so nothing solid. Secondly, it is easy to break, especially if you try to cut something hard (not quite unfreeze meat products, vegetables with thick skins, fish with bones, etc.). Thirdly, it is strongly advised not to use the knife on hard surfaces: Jag edge and functionality significantly reduced. Well, if you use the product properly, it will last a very long time, without requiring additional sharpening.

And yet, once the day will come when the blade is blunt. Let's see how to sharpen ceramic knives, what to look for and what to take tools.

We act according to the rules, or knife sharpening characteristics of ceramics

You needed to hone his faithful assistant ceramic, as it lost its former sharpness, and cuts are not subtle. You do not want to contact a specialist, hoping to solve the problem at home. However, before proceeding to the main action, consider the following:

  • Tools used for the metal analog, will not fit. Forget about the usual sandpaper and sharpener, and do not even try them on ceramics, or simply spoil the product;
  • By purchasing a knife, be careful with what will it sharpen. On sale there are both mechanical and electric sharpener made especially for ceramics;
  • Store the product separately, do not allow continuous, uncontrolled contact with other objects (knives, spoons, forks, etc.). So long as you keep the blade sharp;
  • Remember to sharpen ceramic knife without damaging it requires sufficient skill. Therefore, if you are unsure, consult a specialist;
  • Typically, such products sided sharpening, and this is another important point. First, you must treat the side protruding wedge, and then grind the resulting burrs. If you want to sharpen the blade of a two-way, work alternately with both sides seeking absolute symmetry.

Considering all the above points, you will easily cope with the problem. And now let's talk than to sharpen ceramic knife at home. You can use a special diamond bar, musat, mechanical or electric pencil sharpener. We will talk about each method. And what to choose - you decide.

If not properly stored and used on the knife may appear notch

How to sharpen ceramic knife: different options

The most common method - using a diamond bar, which had previously allowed for half an hour in cold water. Then, strictly observing the required angle sharpening and without changing the trajectory of motion, is first treated with one side of the blade, and then - a second. If one-sided blade, then grind only one island.

Analogue bar - diamond paste. It is effective in the event that you only need to update the blade slightly, without conducting a full sharpening. Purified kitchen cutting surface mate, apply the paste, and then using the solid leather and wooden bases shlifuete it, taking care that the tilt angle is not changed. Do not overdo it: the ceramic must not thinner!

Diamond bar for ceramic knife

It is recommended to use in cases when you need only a little to sharpen the edge. In order to understand how to sharpen ceramic knife Musatov, let us first understand what is at stake.

Imagine solid vertical rod fixedly secured to the horizontal surface. This is Musat - steel strip flat cylindrical or faceted shape. Compare it can be a file, a similar principle of operation: smooth, uniform motion downward drive on rough surface knife, sharpening the blade.

Note that Musat always held vertically, and knife drive on it without a strong push, or ceramics to break. Repeat hasteless action as long as the blade does not acquire the necessary sharpness.

Mechanical and electric sharpeners

Another option - use special sharpeners. It is suitable in cases when the knife needs serious treatment. An important condition: the choice of the machine based on the type of blade. It can not be one-sided sharpening the blade on a plant intended for the bilateral and vice versa. If you try to run an experiment, you will accomplish nothing but hopelessly spoiled knife.

Of electrical machines often use diamond grinding wheel. They need two different grain jokes: one, more rigid, close to sharpening, and a second, softer - for the grinding processing. Here are some secrets of the professionals:

  1. Sharpen at the lowest possible speed, then the work will accurately and qualitatively;
  2. Ceramic grind in a direction away from the handle, slowly reaching the tip of the blade;
  3. If you want to get the most sharp blade, select the sharpening angle 10-15 °, but then it quickly gets dull. Optimal variant - 25-30 °;
  4. Upon completion of work, inspect the cutting surface. You did everything right, if there is a bulge in it.

Mechanical sharpeners lot, and they all work on the same principle of a file. Choosing the right note, so she was comfortable and did not cause rapid muscle fatigue. Remember, unlike metal models, ceramic sharpening very carefully, without any effort. That is why the process takes much longer. Selecting mechanical sharpener is due, primarily, for the convenience of the person who will use it.

Now you know how to sharpen ceramic knife at home, so that he even the most whimsical products can be longer pleased her the ability to easily cut. Observe the rules of operation, timely processing of the blade, use it only as intended - and your kitchen assistant will last for decades, delighting accurate and truly fine work!

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Consider a few ways how to sharpen ceramic knife house

Ceramic knives are a relatively new, especially in comparison with a long history of manufacturing of metal blades. The age of this tool a little more than 30 years.

Of course, this is not an ordinary porcelain or plate, blade strength higher order. Everyone knows about the ceramic brake discs and other critical parts are made of this material. Material knives, is not much different in strength and quality.

The blade is made of zirconium dioxide which, after pressing baked in special furnaces of special technology. cost of raw materials is high enough, as the energy spent on firing.

According to the technology heat treatment takes place over 2 days and a temperature of 1500 ° C. Properly made tool has a hardness second only to corundum, CBN and diamond.

Can I sharpen ceramic knives, their advantages and disadvantages

  • Extremely sharp edge, which allows high quality cutting soft materials and retains the properties for a long time;
  • The high hardness of the blade, the blade does not blunts on hard objects;
  • Outstanding durability. There are few materials after cutting which require sharpening.

These properties of the ceramic are disadvantages:

  • Hardness entails fragility. However, this feature is inherent in any such materials. The tool can not be cut down and cut frozen products. You can not bend the blade, and drop the knife on the hard floor;
  • Cutting board can only be wooden or made of soft plastic. Ceramic and stone surfaces are unsuitable for this;
  • The main difficulty - than to grind. Exceptional durability of the material makes it difficult to process. Any emery itself will grind on ceramics.

Do I need to sharpen ceramic knife, and he is always keen?

You can and should be. Like any cutting tool - it will sooner or later become blunted. When used carefully, ceramics remains acute for more than 3 years.

If a tool is actively used - one or two years should be to restore sharpness. As used sharpener again ceramics, but a higher coefficient of hardness, diamond and emery elborovye.

In commercially available electronic and mechanical sharpener for ceramic knives. But the cost of them is so great that sometimes more profitable to buy a new blade.

Those hand-held pencil sharpeners that are supplied and included in the price - do not count. This is nothing more than a publicity stunt. They are made from the same material as the blade, and by definition, can not have an impact on the edge.

You can give a knife to the workshop. However, you certainly do not know whether there sharpening ceramic, or your blade will be processed on conventional sandpaper. If improperly handled, an expensive blade can irreversibly damage. For example, on an edge may be chipped, which in contrast can not be removed from the metal.

Therefore, the ceramic knife is better to sharpen their own.

If the purchase of an expensive electric pencil sharpener with diamond coating you can not afford - it is possible to use other devices:

Sharpener with a CBN coating.

Its cost is much lower than the diamond, but there is a risk of getting poor-quality copy. Therefore, when buying, check the documentation and the authenticity of the manufacturer.

Whetstone with diamond or CBN grit.

Required liquid application for a snug fit to the edge surface of emery. Sharpening is done by hand, and for a long time. The result is not worse industrial.

The knife is placed on a cradle (not to break under the pressure of the blade) and the transverse drive emery cutting edge, observing corner sharpening.

Diamond emery wheel and grinder.

This is a common way for ordinary knives. However, ceramics requires special care.

The rotational speed should not exceed 200-300 rpm. The knife is held by hand, by controlling the pressing force.

Watch the video: how to sharpen the ceramic knife on sandpaper.

Rods with diamond or CBN coating.

It is kind of Musatov. Sharpening rods are set in wooden stand at a certain angle. The blade of the knife is lowered along the vigorous movement of the rod, while moving from the handle to the tip.

The cutting edge is directed downwards.

Special diamond paste.

It represents a consistent composition interspersed with diamond dust. Applied to a ceramic or of corundum abrasive surface. The knife is sharpened in a conventional manner, the paste is added as an expenditure.

With any method of sharpening should be aware of the fragility of ceramics. Spoiled knife is almost impossible to recover.

In this video clip example sharpening ceramic knife mechanically.

How to sharpen a knife from a meat grinder at home

To understand the mechanism of work - consider the grinder unit and operation of the knives.

Screw (2) takes the weight of the cutting unit. Using the key (1) is held on the rotational clamping ring (3) and the grid (5). Is twisted together with the screw blade (4) cutting the mass passes under pressure screw. Holds the entire structure on the body thrust ring (6) together with the clamping nut (7).

Quality cutting of the meat grinders are long, however, the operating conditions are too stringent for the metal. Aggressive media juices released from the meat coming across small bones and veins contribute blunting.

knife grinder consists of two components. The principle of action of the blade is the same as that of the scissors. Two cutting surface with an angle of 90 ° cut trapped therebetween animal or vegetable materials.

The edges are smoothed with the rounded and lose their ability to cut. This markedly in quality of minced meat exiting the grating openings. The first sign of the beginning of a blunt membrane which is wound onto the knife instead of being cut. Grinding is done in a special way.

The flat grating surface grinds to a state in which around each aperture edge formed at an angle of 90 °. Sharpen only the inside, however, the usual rules of both. This is done for quick replacement when blunt. Simply flip side.

Phillips knife a bit more complicated. Sharp edges should be all at once, while maintaining a uniform cutting plane. In this case, the sharpening angle can be sharper than 90 °, however with the help Needle coated with corundum is formed first transverse side edge, and then brought flat.

You can sharpen on emery wheel, pressing the flat side to the side of the circle. But this method travmoopasen. The knife can jump out of hand and cause injury. Therefore, the most simple and effective method - a quality whetstone.

Sheer cross knife can be made of iron, for corrosion resistance. A cutting edge is soldered from a hard metal. Therefore emery tip must match hardness.

Watch this video to learn a simple and affordable way of sharpening knives grinder at home.

How to sharpen ceramic knife at home?

In everyday life, often there is a problem, how to sharpen ceramic knife at home, the solution is fairly simple.

1 Caring for ceramic knives

We each have a knife in the kitchen or even the entire set of similar products. In most cases, this metal device with a wooden or plastic handle. Work with them quite comfortable, but they quickly become dull and lose their quality. An alternative is the ceramic metal blades having extraordinary sharpness and excellent appearance. In addition, ceramics are more functional and practical, but even they eventually begin to blunt-ended, although it happens 2-3 times slower than when working with metal.

Ceramic knives have appeared on the shelves of our stores is relatively recent, but already managed to gain popularity. This situation is due to excellent cutting qualities, excellent external data and high practicality, which are their hallmark. In addition, the ceramic fabric is much stronger than metal, which significantly increases the service life without sharpening. However, as any material in which mechanical impact is systematic, ceramics gradually loses its characteristics.

Faced with this problem, many people are interested in the question of whether the knife back its original properties? To do this, of course, possible, though not as easy as working with hardware. First, you must understand that it leads to a blunting of ceramic cloth.

Oddly enough, but the blade ceramic knife is quite fragile, and it is easy to break. In this fabric can not be restored, the damaged product can only throw. On this basis, it should be treated carefully, trying not to cut the frozen meat, bone, ice and other similar products. In addition, the ceramic should not try to bend because it is weak in bending and easy to break in your hands. You also can not use such a knife on glass or stone boards or try to open a tin, because such actions will only lead to the deterioration of the device.

At careful operation ceramic fabric will last 2-3 times longer than conventional metal and blunt a few years. In this case, if the knife will not break during this time, you will inevitably lose its sharpness. It was then that the special importance acquires the question of how to sharpen ceramic knife.

2 Is it even possible to sharpen ceramic knife?

The ceramic blade sharpening? It's no secret that affect any material can only exposure to other stronger product. I find it quite difficult to turn, because the harder the zirconia ceramics is just the diamond. Accordingly, the grinding of ceramic products is performed by means of special devices with diamond-tipped, to affect the surface structure:

  • sharpeners for ceramic products;
  • grindstones electrical devices;
  • diamond paste.

The use of these funds in the best possible way makes it clear how to sharpen ceramic knife at home.

The best solution is to appeal to a specialized workshop where the product zatochat right without damaging the base or violating its integrity. However, this process takes time, is not too convenient, and involves certain material costs.

An alternative to professional treatment is sharpening ceramic knives at home. The best solution for such action is to purchase special sharpeners, not only allows to process the web, but also gives the ability to control sharpening angle, leveling fine chips. Furthermore, such devices are equipped with function of determining the maximum available distance between the elements. Its presence makes it possible to adapt to the thickness of the blade, which can range from ceramics, which allows to sharpen the edge evenly and efficiently.

Ceramic knives to sharpen at home may be on an ordinary lathe and after replacing the standard abrasive wheels intended for a metal on diamond-coated product. However, during the work necessary to be very careful and keep in mind the fragility of the product. On this basis, it is necessary to put on the winepress minimum speed and sharpen the blade carefully, without putting much physical effort. In turn, a little sharp edge can be corrected by means of a special rod made of solid material with a diamond plated dubbed musat. Working with them does not require special physical abilities, but assumes extreme caution and meticulousness.

Another embodiment of ceramics grinding their hands is the use of diamond paste, which is applied to the blade. The magnitude of its grains should not be less than 5000 microns or even less. These are the indicators optimally work on the cutting edge, helping to return the lost qualities and restore its functionality.

3 How to sharpen ceramic knife at home?

Sharpening ceramic knife using a sharpening machine contains many subtleties, but the main rule is that the processing of linen is carried out exclusively at the lowest revs. In implementing the action can not be too strongly pressed the blade to the surface of the diamond, but too loosely to keep it as it is not necessary. Optimal and safest to keep the fabric in such a way that it is well-pressed and fully in contact with the working surface of the circle, not bouncing or breaking away from it.

How to sharpen ceramic knife at home? In a detailed examination of the blade edge it becomes apparent that she is a little convex. On this basis, at the edge of a winepress pridavlivaniya need to be very careful and keep in mind that the processing of ceramics last much longer than the grinding of metal products. Technique impact on the ceramic blade has several differences from the processing of the metal blade. Begin to sharpen the product must be right beside the handle, gently pressing the blade to rotate at low speed range and slowly sliding it from the base to the tip. In this case, one pass along the track and back should not be limited, as it is unlikely to yield a positive result.

For maximum effect, the knife should be treated for at least 5-7 times, and then turn over and repeat all manipulations from the outset. Only after that the ceramic knife will acquire the necessary sharpness and return its gloss and the blade will once again be a monolithic and uniform.

Sharpen the ceramic knife in the home, you can manually, without the use of any automated tools. Typically, to provide the necessary parameters applicable grindstones diamond coated differing different levels of granularity. Optimal conditions for polishing and dressing stone grit web is not less than 6000 microns. In turn, to neutralize the small shcherbinki and chips, fabric should rule with the help of stone grit is not less than 3000 microns, and to sharpen the cutting rim for the index on the stone 5000 microns. At the same time, despite the level of grit stones, they should always be a little wet, that will provide the maximum level of exposure to the ceramic base.

Ceramic knives are a lot of differences from metal counterparts. First of all, we are talking about durability and improved performance, which allows it to achieve the use of ceramics. In the course of operation it is necessary to be careful because it is easy enough to split the canvas. As for the sharpening, it is best to turn to professionals who guarantee a positive result. However, you can try to sharpen the blade and with his own hands. There are several equivalent to funds that are able to bring the desired result, but they should be used with extreme caution and care.