Relevance: June 2019

You can't do without a knife in the kitchen. This is one of the main tools of the cook and a source of special pride. Not only the speed of cooking, but also depends on the quality of the blade and the sharpness of the cutting edge. aesthetic appearance dishes. Therefore, special attention is paid to the condition of the knife.

Knife sharpeners have long disappeared from the streets of our cities. But the problem has not disappeared from our kitchens and everyone solves it on their own. You can, of course, go to the garage and use an electric sharpener. What if there is no garage or sharpener? Should you bow to your friends every time your knife gets dull? It is much easier to purchase a knife and keep the blades sharp without leaving the kitchen. Any chef will definitely appreciate this purchase.

We have compiled a list of the best knife sharpeners (knife sharpeners) based on expert assessments and reviews from real customers. Our recommendations will help you make a choice that suits your needs and desires. There are many competitors in the global technology market, but we have selected the best manufacturers and we recommend paying special attention to them:

1. Chef's Choice
2. Sitetek
3. Zigmund & Shtain
4. Nadoba
5. Fiskars
6. Rondell
7. Hatamoto

Electrical Mechanical Home Polishing

*Prices are correct at the time of publication and are subject to change without notice.

Knife: Electric

For home / Processed material: ceramics / Processed material: metal

Main advantages

• Electric sharpener for proper sharpening of Asian blades and knives in Japanese style using Diamond Hone technology
• Factory sharpness is ensured by precision guides that sharpen the entire blade, maintaining a 15-degree angle all the way to the tip.
• The processing process is two-level. Each side of the blade is sharpened separately. This allows you to sharpen European-style knives that are ground on one side
• Finishing is done with the smallest grains of diamond abrasive, which makes it impossible to grind knives with a thick blade, sports knives or for making sashimi.
• 100% diamond abrasive discs ensure high-quality processing of blades and long service life of the knife

For home / Processed material: metal/ Polishing / Electrical

Main advantages

• Knife sharpener with secure fastening of the body using a vacuum suction cup, which ensures a stable position of the device and safe work.
• The knife selects itself optimal angle processing and automatically removes metal shavings
• The special design of the device protects hands from injuries during the sharpening process, ensuring complete safety of operation.
• It is possible to process not only regular blades, but also files (certified), which significantly expands the capabilities of the model.
• Working metal plates of increased hardness are able to cope with any metal. It is enough to smoothly move the knife blade along them 2-3 times to get a perfect sharpening

For home / Processed material: metal/ Polishing / Electrical

Main advantages

• Versatile design allows you to sharpen blades with classic, wavy or sawtooth edges
• Powerful electric drive performs fast processing of metal surfaces
• The proprietary three-level system includes comprehensive procedures for initial removal of the layer, finishing and final polishing - this makes the processed product not only sharp, but also durable, increasing the time interval for using the knife without re-sharpening it
• A convenient power button for turning on the power machine is located at a considerable distance from the processing section, which minimizes the risk of accidental injury
• The device is equipped with four legs with rubberized inserts, guaranteeing stability on any type of flat horizontal surface.

Show all products in the category "Electrical"

Knife: Mechanical

Processed material: metal/ Polishing

Main advantages

• The comfortable plastic handle ensures a reliable, stable grip of the knife while working.
• The rubber coating of the handle prevents fingers from slipping and increases the safety of using the model.
• Two sharpening discs of increased hardness are designed for grinding knives made of various metals with straight blades
• The blade is sharpened in two stages. First, rough processing is carried out, and then fine finishing of the cutting edge to maximum sharpness
• The sharpener is easy to clean if necessary. dishwasher or in running water, which simplifies and facilitates product care

For home / Mechanical / Processed material: metal

Main advantages

• The functional device is suitable for processing the blades of all types of professional and amateur knives with a classic edge
• Durable plastic housing withstands even strong physical stress
• High-quality two-level sharpening with an angle range from 14 to 24 degrees guarantees an ideal result after active processing and minimal abrasion of the blades of sharpened products
• Rubberized coating reduces the risk of the knife accidentally slipping out of your hands
• An additional section ensures high-quality sharpening of scissors
• Ceramic base stones with diamond coating have long term operation, regardless of the frequency and activity of the activities carried out

For home / Mechanical / Processed material: metal

Main advantages

• A convenient button for switching sharpening modes allows you to process the blades of knives and axes
• The base body made of polyamide has an increased safety margin compared to classic plastic, is not subject to corrosion processes, is lightweight and does not have a negative impact on the environment
• The abrasive ceramics of the whetstone are practically not subject to abrasion even after very long use
• The anti-slip base guarantees a stable position of the knife in your hands or on the table
• The base of the device can be disassembled if necessary, which allows for complete cleaning of the internal cavities of the knife

Show all products in the category "Mechanical"

In home life there is no particular need for a sharpening machine. It’s easier and faster to sharpen knives with knife sharpeners, and the sharpening machine actually won’t have any other work to do. It's another matter when there is a need to sharpen a cutting tool. Axes, chisels, chisels, drills, cutters, planer knives and other tools are sometimes simply impossible to sharpen by hand. Then it will come to the rescue sharpening machine.

The structure of the sharpening machine is simple to the point of primitiveness: one or, most often, two abrasive discs are located directly on the motor shaft. As a rule, one disk has a coarse grain and is intended for coarse sharpening, the second disk has a fine grain - for subsequent finishing or grinding. But different instrument requires different processing conditions, so sharpening machines are still divided into certain classes.

The most common type of sharpener is high-speed (from 2000 to 10,000 rpm) machines with two disks located on the shaft of one electric motor on different sides. This type of sharpener is usually used for sharpening metal tool with a thick cutting edge - drills, chisels, axes. When sharpening knives and chisels on such a sharpener, you should be careful - thin metal can quickly overheat. If scale appears on the cutting edge, the hardened steel “sinks” - it becomes soft, cuts poorly, and quickly wears out. Therefore, overheating should not be allowed. This leads to some inconvenience when sharpening knives on such a machine. Some models of sharpeners equipped with a speed controller do not have this drawback, but more often angle sharpening machines are used to sharpen thin blades.

In angle grinders, only one abrasive disc is located directly on the motor shaft. The second – grinding – disc is connected to the engine through a gearbox, which reduces the rotation speed to 120-150 rpm. In addition, this disc is usually located in a bath into which water can be poured, ensuring constant water cooling of the surface being sharpened. Such machines are more universal, but, for example, for drill sharpening will not fit well: the only high-speed disc has a coarse grain, and hard tool steel can be sharpened at a slow speed grinding wheel It won't be easy.

Another type of sharpening machines is sharpening and grinding. Instead of a second abrasive wheel, they have a sanding belt installed. This solution significantly expands the functionality of the machine, allowing not only to sharpen and grind cutting tools, but also to use it, for example, for grinding small parts that are inconvenient to handle with grinders.

Some manufacturers have gone even further by providing the ability to connect a flexible shaft with an engraving machine to the engine. Such a tool is highly powerful - engraving machines of comparable power will cost much more.

Some sharpening machines are equipped with accessories for sharpening drills, saw chains, circular saws, and other tools, and for sharpeners with a narrow specialization, special sharpening machines are offered: for drills, for chains, etc.

Characteristics of sharpening machines.

Power. The more power a sharpening machine has, the greater the load that can be placed on the grinding wheel without the risk of overheating the engine. The larger the tools and parts that are supposed to be sharpened, the more power is required. To sharpen thin and small tools (knives for engravings or wood carvings, thin drills and chisels), high power is not needed. For everyday use, a power of 150-250W will be sufficient, but for sharpening axes, shovels and scythes, it is better to choose a machine with more power.

Maximum speed. The optimal rotation speed of grinding machines was selected a long time ago: it is 2700-3000 rpm. A lower speed leads to a decrease in productivity; at a higher speed, the material of the sharpened products will begin to overheat. High speeds are only necessary when sharpening carbide tools with fine abrasive (diamond) discs. The grain of such a disk is so fine that at normal speed its performance will be too low. Therefore, cutting elements made of hard alloys (puncher drill heads, drill heads, soldering on circular saws) are sharpened with diamond discs at frequencies up to 15,000 rpm.

Wheel diameter. Small wheels with a small bore diameter are usually used in low-power household models. You cannot place a large and heavy abrasive wheel on a small diameter shaft - the slightest imbalance in it will quickly lead to bending of the shaft and beating of the disc, which will have a bad effect on the quality of sharpening. Powerful models usually have a larger diameter shaft and, accordingly, a larger diameter seat. But even on a low-power model, a large bore diameter will not be a disadvantage - it will ensure the absence of runout, which is very important for high-quality sharpening of thin tools.

Circle diameter. The larger the tool you plan to sharpen, the larger the diameter of the wheel the machine should have: a small wheel when sharpening scythes and axes will quickly wear off and require replacement. In addition, the large abrasive wheel has high inertia - this ensures smoother grinding and an even load on the engine, which has a beneficial effect on its service life. At the same time, the diameter of the circle is directly related to the power of the machine and, accordingly, to its price. Therefore, to sharpen small tools, use wheels large diameter inappropriate.

Circle thickness. Just like the diameter, it depends on the size of the tool being processed. When sharpening chisels and other cutting tools small width, it is advisable to choose a circle of thickness slightly larger than the width of the tool being sharpened. Another argument in favor of thicker wheels is that a thin wheel wears down faster or loses its shape, causing it to become unbalanced. In both cases, the circle will need to be replaced. But the greater thickness of the circle increases its mass, and, accordingly, requires more engine power.

Besides these general characteristics, you should also pay attention to the equipment of the machine and the presence of additional options in it:

Protective cover And transparent protective screen– the necessary minimum to ensure the safety of any sharpening machine. Abrasive wheels are made of brittle material, and a damaged grinding wheel can instantly shatter into several pieces. Failure to use the protective cover and shield in this situation can result in serious injury.

Backlight in the form of a lamp on a flexible leg or individual for each disc - a very useful option when you need to carefully monitor the contact area between the tool being sharpened and the disc.

Work site with a variable angle of inclination can be very useful when sharpening tools with a clearly defined sharpening angle: drills, chisels, chisels.

Possibility of attachment to a supporting surface is absolutely necessary when sharpening large tools: even the most powerful sharpening machines have a small mass and it can easily be accidentally moved out of place and even dropped. During operation, this can lead to damage to both the tool being sharpened and the machine itself. Therefore, if there is such a possibility, it is better to screw the machine “tightly” to the workbench. Even when sharpening small tools, this will increase the convenience of work.

Choices.

If you need a sharpening machine quite rarely and the requirements for the quality of sharpening are low, choose from cheap ones basic models in the range from 1700 to 3000 rubles. As a rule, they are unable to operate continuously for more than a few minutes, but they will not put a strain on your budget. A sharpening machine is a very simple tool, so even the cheapest models from little-known manufacturers are quite reliable and, with proper care, can last for many years.

If you need a universal sharpening machine not only for most types of tools, but also for kitchen knives, pay attention to angle machines with a gearbox and a reservoir for “wet” sharpening. The high-speed first disc is suitable for coarse sharpening of cutting tools. And the low rotation speed of the second disk and water cooling of its surface guarantee high-quality sharpening of knives without the risk of damage. Just remember to drain the water after sharpening - otherwise the disc will absorb it from the submerged side and become unbalanced. Such a machine will cost you 3000-5000 rubles.

If you need a machine for frequent and high-quality sharpening of a variety of tools, including drills and cutters, pay attention to compact high-power machines - this guarantees long-term operation of the tool without the risk of engine overheating. Such machines are presented in the range from 2500 to 5000 rubles.

If you need not only a sharpening machine, but also a powerful engraving machine, pay attention to the two-in-one kits. And the speed control present in such machines will be a pleasant addition and will allow you to sharpen those afraid of overheating. thin blades at low speed. These machines cost from 3,000 to 4,000 rubles.

If you often have to sharpen drills or saw chains, you may want to consider purchasing specialized sharpeners. Sharpeners for drills are available at prices starting from 1800 rubles, for saw chains – from 2800 rubles.

Finally, if you need a machine to sharpen large tools and garden tools, look for heavy-duty machines with large abrasive wheels. They will cost in the range from 5,000 to 11,000 rubles.

The kitchen of any housewife is full of all kinds of utensils. And knives occupy a large niche here. For slicing, cutting, filleting - there are many and each has its own function, without giving up its conquered place to anyone. But any material tends to wear out over time, and a knife is no exception. Dull blades become useless.

But this does not mean that you should throw away the entire set and buy a new one. It’s easier to choose a knife to suit your taste.

Types of scissors

In order to maintain kitchen scissors and knives in working condition, you need to regularly sharpen the blade. At the moment, the main options for knife blades are the following:

1. Sharpening stones. The old “old-fashioned” method is a stone with an abrasive coating. They come in different coating structures and perform different functions.
2. Mechanical. The simplest device with discs on which abrasive is applied. The knife is manually passed between these discs to the desired state.
3. Vacuum. This option is also mechanical, but has a vacuum attachment to the surface.
4. Electric. A device that processes knives very quickly, working automatically.

Expensive branded mechanical knife

Pros and cons of different types of sharpeners

When choosing any purchase, it is worth examining not only the positive variants of the varieties, but also the negative ones. Only then can you form your own subjective opinion and decide what you like most. Let's go through the entire list.

1. The advantages of sharpening stones are their low cost and availability. Cons - requires at least three various bars, in order to sharpen, grind and polish the edge of the knife. In addition, you need to be able to do it correctly, and this point already makes the option not acceptable for everyone. Well, the use of physical force during the sharpening process is also not the most positive thing. However, in the kitchen of a bachelor who is not used to preparing lavish feasts, the bars can find a place for themselves.
2. The advantages of a mechanical knife are low cost and widespread use. This type sharpeners may have several removable attachments for different varieties knives. The list of positive aspects includes safety of use. Disadvantages - the physical costs of working with such a sharpener are almost more than using whetstones.
3. The advantages of a vacuum sharpener are primarily in the design. The device is attached to the table with a vacuum suction cup and is convenient and safe to use. The sharpening blades are arranged in such a way that they adapt to any knife configuration, including the “teeth”. No special power consumption is required. Disadvantages - the cost of such a device is much higher than that of previous options. And it takes longer to sharpen than the last option.
4. Pros electric knife– speed and ease of use. A wide selection of models allows you to choose sharpening discs for materials - ceramics, steel, diamond chips. The sharpener sharpens and polishes the blade quickly and efficiently. Plus, anyone can use it. Cons – high price and differences between models that need to be carefully examined.

Note to the hostess

You shouldn’t skimp on a knife for fear that your expensive purchase will quickly break. The sharpening parts of the devices are made of high-strength materials and are designed for long-term operation.

Choosing and purchasing is only half the battle. The second half is to get used to regularly and timely processing your knives, maintaining their working condition. After all, it’s much more pleasant and easier to cut bread and vegetables, peel them, and separate the fillets with sharp knives.

And finally, a video about sharpening knives on water stones from a professional. We look and remember how to sharpen knives correctly.

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Top 5 best systems knife sharpening

The rapid development in recent years of high-precision sharpening technologies, caused by the emergence of new innovative blade steels and increased interest among consumers, has produced a real revolution in the art of knife sharpening. And the symbiosis of modern and traditional, classical methods sharpening made a positive contribution to popularity self-sharpening knives.

Today, the capabilities of sharpening systems include completely individual settings of the entire sharpening process, determining the grain size of the required abrasive in accordance with the specialization of the knife, the steel from which the blade is made, maintaining high-precision angles and a multi-stage method of imparting sharpness to the blade.

All modern sharpening systems come with detailed instructions user on paper and DVDs.

Manual sharpening systems are well suited for achieving high sharpness on many household knives, including kitchen knives, fillet knives, serrated knives and scissors. With them, you don’t need to spend a long time dealing with setting up the device and the sharpening process itself. Those. These types of sharpeners are affordable, compact, and ready to work out of the box.

This year the most popular knife sharpening systems are:

1. Edge Pro Apex 4

3. KME Sharpeners KFS Knee Sharpening System Review

4. Lansky Deluxe 5

5.Profile

Let's take a closer look at sharpening systems.

1. Edge Pro Apex 4

Knife sharpening system Edge Pro Apex 4- a professional system for sharpening a wide range of knives.

Weight 1.355 kg. Made in USA. Supplied in a durable nylon bag.

Systems Edge Pro Apex have become widespread throughout the world due to their simplicity and ease of use, as well as excellent quality knife sharpening.

Designed for blades of any size and shape (up to 9 cm wide), including serrated ones. Ease of use allows you to determine and set the optimal sharpening angle of the knife blade.

Abrasive stones Edge Pro Apex 4 They are easily changed in a spring-loaded clamp, they last for a long period of use and their cost is not high. When sharpening, they provide good control over the amount of metal removed from the blade and eliminate unevenness of the RC feeds, which affects the service life and cutting quality of the blade.

Abrasive stones Edge Pro Apex 4 do not overheat the cutting edge, and, therefore, do not affect the hardening of blade steel.

System Edge Pro Apex 4 is brought into working order in just a couple of minutes on any flat surface. No effort is required for this. The set comes in a convenient, compact bag for storage and transportation.

Edge Pro Apex 4 does not require maintenance, except for periodic cleaning of stones and the object table after intensive use.

Advantages:

• High quality
• Wide range of applications
• Ease of use
• Accurate angle setting
• Mobility

Flaws:

• Fixing the blade on the object table.

You can buy a professional sharpening system Edge Pro Apex 4 in our online store.

2. Spyderco Tri-Angle Sharpmaker

Tri-Angle Sharpmaker- universal system for sharpening and straightening knives, incl. with serrated sharpening, scissors, fish hooks and other piercing and cutting tools and objects. Fine&Medium grain size. Alumina Ceramic abrasives. Weight 381 g. Made in USA.

Sharpening system Tri-Angle Sharpmaker includes four ceramic core stones. The stones have a triangular shape, designed for sharpening any blades. A groove running the entire length of each stone allows you to sharpen sharp objects such as fishhooks, darts or awls.

Included Tri-Angle Sharpmaker Includes a set of brass rods to protect your hands during the sharpening process.

At the heart of the system Tri-Angle Sharpmaker There are slots and holes for stones and security rods. Their installation angle corresponds to 30° (15° on each side) or 40° (20° on each side).

Rotate the base Tri-Angle Sharpmaker allows you to place two Alumina Ceramic stones side by side (flat sides up) to use as a sharpening surface benchstone. Lid Tri-Angle Sharpmaker creates additional support when sharpening knives.

All system components Tri-Angle Sharpmaker are placed in a convenient plastic box-case, which will allow the complex Tri-Angle Sharpmaker accompany you on any trip or vacation.

Advantages:

• High quality
• Wide range of applications
• Ease of use
• Preset sharpening angles
• Full control of the sharpening process
• Mobility

Flaws:

• Fixing the blade in the hand.

Spyderco Tri-Angle Sharpmaker in our online store.

3. KME Sharpeners KFS Knee Sharpening System

Company KME widely known for its knife sharpening products. They are characterized by high quality, durability of use, qualified service and a wide range of manufactured accessories.

Knife sharpening system KME Sharpeners KFS - compact system for sharpening knives with three abrasive stones. Its weight is 800 g. Made in USA. Supplied in a durable plastic case.

WITH KME Sharpeners KFS It won’t take much time and effort to prepare it for use.

For sharpening, the knife, with its butt, is clamped into a special sponge clamp. To flip the knife when you are done sharpening one side of the blade, you need to rotate the knife 180 degrees.

On KME Sharpeners KFS You can independently set the required sharpening angle of the knife blade. The cutting stone holder rod has a movable hinged connection with the vertical bar.

Stones (three pieces) are replaceable, as in Edge Pro Apex 4, are located in a spring-loaded clamp.

To work on KME Sharpeners KFS no need for any additional tools or keys. The surface of any table can be used for support. The wooden base for attaching the sharpener is purchased separately.

You can complete it yourself KME Sharpeners KFS various accessories and necessary abrasive stones, which will fully ensure the sharpening process.

Except Sharpeners KFS, there are many inexpensive options compact (hiking) sharpeners from the company KME.

Advantages:

• Compactness
• Mobility
• Rigid fixation of the knife sharpening angle
• Ergonomic handle for work.

Flaws:

• The need to purchase (for convenience) additional components (base).

4. Lansky Deluxe 5

Knife sharpening system Lansky Deluxe 5- compact system for sharpening knives. Size 215 x 110 x 40 mm. Weight 770 gr. Made in USA. Designed for kitchen, folding, hunting and garden knives. Included includes 5 ceramic hone bars with guides, oil and the knife holder itself.

The presence of 4 set sharpening angles is the main advantage Lansky Deluxe 5- you don’t need to select the sharpening angle or maintain the required angle when sharpening, which allows you to bring the sharpening tool to a razor sharpness.

Anglessharpening Lansky Deluxe 5

20°- used for kitchen cutlery and fillet knives.

Ceramic hone bars that come with Lansky Deluxe 5 are very effective and the best remedy for quick correction and restoration of the Republic of Kazakhstan. Ceramic is faster on modern steels than aluminum oxide or silicon carbide sharpeners.

Lansky Deluxe 5 convenient and easy to use, both for beginners and experienced users.

Advantages:

• Compactness
• Mobility
• Preset main sharpening angles.

Flaws:

• Limitation of use by knife size/length
• It is not possible to change the sharpening angle of the knife
• The need to purchase (for convenience) additional components (handle-holder).

You can buy a sharpening system Lansky Deluxe 5 in our online store.

5.Profile

Knife sharpening system Profile- a professional modular system for sharpening a wide range of cutting tools. Fully metal structure.

Weight from 7 kg. Made in Russia. Supplied in a wooden box or plastic case (optional).

System Profile, thanks to the modular system, it can be equipped with a variety of devices for the convenience of sharpening a wide variety of cutting tools: knives of all sizes and shapes, scissors, axes, machetes, chisels, straight razors, planer knives, garden tools and much more. another.

What can the device be equipped with? Profile? These are single and double sponge clamps, single and double sponge clamps with a reduced sharpening angle for thin and narrow knives, a stage, a device for sharpening scissors, etc.

Ease of use and fine tuning Profile allows you to determine and accurately set the optimal blade sharpening angle.

Abrasive stones used on Profile, can be any size (10-21 cm) and are easily changed in a spring-loaded clamp on the guide rod. When sharpening on Profile metal removal is completely controlled, unevenness of the feeder feeds is eliminated and razor sharp RK.

Device Profile fasten with a clamp to stable table or workbench, and can also be mounted on the original steel stand.

Profile requires minimal maintenance: initial calibration of the device, periodic lubrication of rubbing parts, cleaning of stones and clamps after intensive use.

Advantages:

• High quality
• Widest range of applications
• Full metal construction
• Modular system
• Accurate angle setting
• Full control of the sharpening process
• Constant technological development and updating
• Relative mobility

Flaws:

• Some “dampness” and lack of refinement of individual components and parts.

In our rating, we were based on indicators such as popularity, number of reviews/reviews and sales volume of sharpening systems. We hope you enjoyed it and found it interesting to get to know the top five systems!

Sincerely,

A really interesting knife if you don’t have sharpened hands or are just too lazy to sharpen them by hand, but want to have a sharp knife.
If we immediately start with the shortcomings of the sharpener, then there is essentially one! It has a fixed sharpening angle :)
Well, if anyone is interested in reading about the advantages and taking a closer look, let’s move on...

Not cheap, yes, I agree! But a good set for manual sharpening costs slightly less (or the same), and there you need to apply some skill and dexterity, here anyone can do it (even a child and a blonde housewife - I don’t mean hair color)

You need to understand that not just any knife can be sharpened with such a sharpener.

Basic shapes of kitchen knife blades

1 - wedge-shaped slopes from the butt itself, traditional cutting edge. One of the most common shapes for kitchen knives. Cuts thick layers of material very easily;
2 - wedge-shaped slopes starting from the butt, which directly form the cutting edge. This is a fairly common form, but during the sharpening process it almost always turns into type 1. Due to the large area of ​​the slopes at the point, the block is “oiled” with foreign metal, so sharpening such a knife correctly is much more difficult than option 3. Of course, after the point of the knife, polishing of the side surfaces is required, if it appearance important for the owner;
3 - flat blade, wedge-shaped slopes form a cutting edge, starting from the middle or two-thirds of the width of the blade (counting from the butt). A very characteristic shape for many universal national knives, especially Scandinavian ones. It is often found on sale, it is very easy to sharpen, since the planes of the bevels set the sharpening angle, while having a relatively small area;
4 - flat blade, wedge-shaped bevels, traditional cutting edge. The most common profile option. Allows you to vary the sharpening angle. The knife is quite durable and cuts relatively easily;
5 - flat blade, wedge-shaped slopes, the cutting edge is formed by a double wedge. If in option 4 the cutting edge wedge is single, then in option 5 some of the material is removed from the corners between the bevel and the edge. As a result, the knife experiences less resistance when cutting thick and dense materials. It is almost never found in factory products, but can be recommended as a basic one to people who have mastered the manual sharpening knives;
6 - flat blade, lens-shaped concave slopes. The angle of the cutting edge is formed by the continuation of two planes drawn from the edge between the blade and the slope to the tip. This sharpening is also called “razor sharpening” - it is typical for straight razors. Easy to sharpen and straighten - the edge between the blade and the trigger serves as a “guide” for determining the sharpening angle. The descents themselves can start almost from the butt. The knife cuts very well comparatively thin materials, worse - thicker ones (due to the presence of an edge). Due to the massiveness of the butt or the blade itself, the knife has significant rigidity;
7 - “chisel” or one-sided sharpening. It is typical for national Japanese knives. Relatively easy to sharpen if the edge is not badly damaged. Minus - the knife is designed for one hand only, the bevel should be on the side working hand. IN in this case a right-handed blade is shown (assuming we are looking at the blade from the handle side);
8 - is actually option 3, only the angle of the cutting edge is such that there are no descents as such. The shape of the blade is typical for cheap Chinese counterfeits of branded knives, as well as for all kinds of chopping tools;
9 - “ogival” or “bullet” sharpening. Feature- convex lens-shaped slopes. It doesn't cut very well, it gets stuck in the material, but it cuts perfectly. Of course, such knives are more difficult and expensive to manufacture and sharpen than option 8.
The cutting edges are highlighted in red.
Most high-quality kitchen knives have blades that start almost from the butt and a small, thin cutting edge. Accordingly, the sharpening process consists precisely in the formation of the correct cutting edge. Its ideal form is a wedge (option 3), or a two-stage (double) wedge (option 5).

The sharpener is a slightly modified, very popular Nakatomi NEC-2000 sharpener. They have interchangeable replaceable diamond rollers, the same power and everything else :)

Description:

The electric sharpener is suitable for all types of knives, including ceramic ones; With its help you can sharpen knives with both single-sided and double-sided sharpening. The sharpener is dual-functional, providing not only sharpening, but also finishing. Equipped with a replaceable diamond roller, it is easy to use and does not require any knife sharpening skills.

Suitable for steel and ceramic knives.
Suitable for knives with single-sided and double-sided sharpening.
Sharpening and finishing functionality.
Replaceable diamond rollers.
Mains powered.

Home electric sharpener with diamond-coated sharpening discs for sharpening and straightening kitchen knives.

The sharpener operates at 220 volts, motor power 18W
Dimensions: Length - 14.5 cm (with removable block 22 cm), width 7.5 cm, height 8 cm
Grit - sharpening 600 grit, grinding 1000 grit

The review will use photographs from the “double” of this sharpener, Samura SEC-2000, sold in online stores in Russia. There is actually no difference (except for a minor one in design), it is quite likely that they came from the same assembly line.
And, well, yes, the one sold in Russia is still three times more expensive :) The block with diamond discs on all these blades is used alone and is interchangeable, so the sharpening quality is the same

Package (in my case Samura).

Funny logo :) with a hint of involvement in Japan, as well as the brand name itself...

Samura is a relatively recognizable brand, specializing in knives and their maintenance.

From one end brief description, with a highlighted warning, read the instructions before use.

Appearance and dimensions:

Everything inside is extremely ascetic, for such a price you could spend money on a normal instruction manual :(

Power unit.

And the knife itself. Everything is just as simple and without surprises.

Side power switch

On the opposite side there is a replaceable block for sharpening (can be purchased separately)
There are rubberized feet on the bottom to reduce vibrations and prevent the knife from simply “driving” around the table.

Side view - sharpening unit removed. The drive mechanism for the diamond discs is visible.

Rear side - socket for connecting the power supply

The electric sharpener is quite massive and has a “noticeable” weight

The size is not very large, it will not take up much space in the kitchen. You can put it in a locker.

Structure of the diamond disc block:

The rod with the discs is mounted on two bearings and the discs themselves are spring-loaded. When “dragging” the knife, they move slightly.

There are four holes for sharpening. Each under one side of the knife. Two for rough sharpening and creating angles with 600 grit and two for sanding and lining with 1000 grit

It seems that they write that the sharpener is designed for sharpening knives with a spine thickness of no more than 3 mm, but perhaps this is not entirely true.

You can remove the plastic plugs from the block of diamond discs, which will provide excellent access even for sharpening the axe. Of course, one must keep in mind the precautions for such sharpening.

To sharpen a knife, just connect the power supply to the sharpener, plug it into the network and turn on the sharpener.

There are four holes in the disk block, the first two are for rough sharpening “1”, the other two are for finishing. Each of the holes is for one side of the knife. Sharpen one side of the knife first, then the other.
There is no need to press down hard, just pull it towards you. After a small, uniform edge appears on the blade (you can feel it with your finger), we repeat the procedure on the other side of the blade (in the adjacent hole “1”).
Rough sharpening is needed for knives that are in poor condition - removing blade defects - chips and damage, as well as setting the angle if you previously had another knife. If the knives are in adequate condition, then sharpening with a fine abrasive is enough; coarse sharpening is not required for them.
There is no need to maintain angles for sharpening. The whole procedure takes about half a minute or a minute. It sharpens knives very well (really), and even our “nameless” knives are not inferior to brands after sharpening (at least for a while;)

You can sharpen not only metal, but also ceramics! The sharpener makes noise during operation, but not very much.

The sharpener needs to be cleaned from time to time:
-rotate the sharpening block clockwise until it clicks.
-remove it from the common block.
-remove the cover of the guide knives and shake them out.

A small study on the quality of sharpening with household sharpeners

In addition to the one described in the review, we will consider a couple more household ones, with manual sharpening.
The test subject will be an old knife - at the beginning of the experiment it is pretty “tormented”.


I immediately apologize for the “dirty” scissors, they’ve been lying around for a long time - I didn’t pay attention when photographing them, but the enlarged photos look terrible :)

I’ll put a mark on the knife blade with a marker - we’ll look at a specific place. As you can see in the first photo, the knife is not only dull - it has a blade with a notch/damage.

The first knife, the most common option, has two holes with inserted stones of different grain sizes.



Sharpens the knife as it is pulled through the stone, removing metal along the surface. In fact, after sharpening with this knife, it seemed to me that the blade became even duller :)
The blade was like this BEFORE using this sharpener

This happened after her

At the same time, it intensively removes metal from the blade; in other words, it does not sharpen as much as it damages the blade.


This is partly visible on the edge - the damage that was originally on the blade has gone away. It can only be called a knife with a big stretch. The stone has probably worn out, and now the knife removes metal not only from the side surface, but also from the edge ( however, it’s good that she hasn’t sharpened before).

The next one, similar in appearance, is a knife from Ikea. She, surprisingly, sharpens knives quite tolerantly.

The “reason” for more or less acceptable work is the mechanism for sharpening it. When pulling the knife, the discs rotate, sharpening not along the surface, but at an angle.

The photo shows the result of her work.
The edge has been sharpened after the work of the previous knife.

And more visible correct sharpening on the side surface

And finally Samura...
After preliminary sharpening to 600 grit (holes “1”)

And after finishing at “2”

Almost “strictly according to science” ;)

An electric sharpener is certainly not cheap, but the savings in time and effort are colossal. And most importantly, the result is excellent!

After writing this review, I chopped shanks for lunch, old knife(after a new sharpener) it cuts great!

By the way, to all owners of any version of the described sharpener, here for $12.17

And I also got it at an even lower price, but the truth is that its name on the seller’s page (or rather its interpretation) confuses me - I didn’t dare to post a review with that title, “because they’ll ban you” ;) Read the beginning of the name, you’ll understand for yourself :))) )

“Good luck everywhere” to everyone, come and check out the review;)

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