Options and correct knife sharpening scheme
A knife in the kitchen at home is an irreplaceable thing. They cut food for cooking. They find their application in household needs. It is very unpleasant when this necessary object is dull.
How to sharpen a knife on your own, what items you can use for this - you can learn all this from the information below.
How to sharpen knives correctly
The sharpening process must be carried out correctly. If you produce it carelessly, then it can damage the blade, you will have to buy a new knife. When sharpening, it is important that the blade is correctly positioned in relation to the sharpening tool. The sharpening angle must be accurate.
Types of sharpening angle for different types of knives:
- Normal, standard - 20 °;
- Chef's knife used in restaurants - 25 °;
- Japanese types - 15-20 °;
- Hunting - 35-40 °;
- Household - 30 °.
If you need to sharpen the knife sharper, then you should reduce the sharpening angle. If it is required to increase the resistance to bluntness, as, for example, in hunting blades, then the sharpening angle increases.
Sharpening should be continuous.
In this case, the handle rises precisely when the sharpening reaches the very bend on the blade. This will protect the sharpening angle of the edge that is responsible for the cutting effect. Previously, a belt was used to check the sharpness of the knives.
Knife sharpening methods
It is not easy to choose a tool for sharpening these kitchen items. This can be explained simply: there are a lot of them. In some, sharpening is easy without effort, in others, you need to press on the blade, perform certain actions.
You should consider all the options, choose the best one for yourself. You can also watch a video on how to sharpen knives with a bar by hand.
Ready-made sets
Having purchased the complete set, you can take it on a trip. It will be an ideal assistant on the road, hiking, fishing. Its compact size allows it to be placed in a backpack, travel bag. Suitable for those who like to throw a knife.
What's in the kit: a block, a piece of leather to straighten the blade. This will restore the sharpness of the knife for a short time. For long-term sharpening, it is better to use drastic measures.
Electric knife sharpener
At home, this is a good way to sharpen any kind of knives. Can be used to sharpen other items: screwdrivers, scissors. You can buy this sharpener at home. Thanks to her, you can perform these manipulations within two minutes. He also makes grinding. This product automatically determines the optimal sharpening angle.
They are more convenient than various mechanical sharpeners. You can sharpen the dumbest products. It should be purchased if there are many different tools in the house that require sharpening. No care is required. The work of the electric sharpener is quite quiet.
Its disadvantage: it is, of course, the cost. It may not be affordable for many families. Also, some models can strongly remove steel on the blade.
Musat
This tool has a circular or oval cross-section. It looks like a file. Has a handle. It is necessary for housewives in the kitchen. Able to keep knives sharp. Musat is well suited for dressing tools. But he will not be able to sharpen for a long time.
For this, you should use more serious devices.
Grinder
This tool will help you sharpen a large number of cutting objects. It is used in large enterprises, specialized workshops. Technology is beyond the control of a person without a certain amount of experience. Only a professional can work on a grinding machine.
When sharpening with an abrasive wheel, the steel parts are heated. If you do not have experience with a sharpener, you can change the shape of the blade so that it will wear off quickly. But if a specialist sharpens, then the knife will become sharp as on the first day of purchase and will retain its properties for a long time.
What tools can be sharpened by the machine method: peeling, designed for cutting metal, for cutting plastic, etc.
Sharpening stones (bars)
The most popular, effective way to return sharpness to knives is to use a sharpening bar. But working with this stone requires perseverance, patience, and the necessary skills. If you sharpen a steel blade by hand, then you should do it in a certain way, at the right angle.
Otherwise, the abrasive that makes up the surface can only blunt the cutting product. To sharpen correctly, you should use two bars: a coarse-grained and a fine-grained surface.
For the manufacture of mechanical or manual machines for sharpening knives, 4 main types of abrasive are used:
Grinding bars of two types are made: from natural or artificial stone. They are also divided into four types:
- Ceramic stones. They are not expensive and well sharpened - these are its main indicators. They can last a long time. Over time, its edges can be grinded. Suitable for bread knives.
- Japanese water stones. An expensive product. During operation, a suspension is formed. It generally provides good polish. Short-lived.
- Diamond bars. The cost is high. Suitable for people with knives turning skills. The base consists of a plastic, aluminum material. A platform can be seen at the top. It contains abrasive grains. It has two types of grain, which makes it a versatile tool. After sharpening, the knives begin to cut well and remain sharp for a long time.
- Natural blocks. They have a low level of abrasiveness, have different characteristics. They are mainly intended for grinding.
Manufacturers can make them in different shapes: long bar, boat, cube. How to sharpen knives with a bar? This should be done with an onslaught at the correct angle. Before sharpening, you can put the stone in water. This will prevent the steel from clogging between the grains.
Laser
Laser sharpening of knives is sharpening at two different angles. This is dangerous. There is a need to make further manipulations to professionals. This sharpening is quite durable. An edge is formed that is practically invisible.
Mechanical type sharpeners
These devices are quite popular. They can sharpen kitchen, stationery, household knives, scissors.This can be done by a person who does not have special skills. But it should be borne in mind that cutting products quickly become dull, after a while the procedure will need to be repeated again. Suitable for right-handers and left-handers.
Turning is easy enough. The knife is inserted into a special recess. The blade is held back, forward by hand. It is worth choosing the right angle of inclination. They have a low cost, compact size. You can take this product with you when traveling. They have durability, good performance properties.
The shell is made of plastic, metal, rubber. They have a beautiful appearance, sometimes different colors. Can be purchased for sharpening different knives: steel, ceramics.
Lansky sharpening system
This system is designed for sharpening knives. But its distinctive ability is the ability to restore the blade, to give it the necessary sharpness.
Peculiarities:
- There are 5 grinding surfaces with different grain sizes: from coarse to fine.
- Has aluminum rails.
- There is a clamping type vise that has the ability to choose the desired sharpening angle.
- They are lightweight and lightweight.
What knives are best not to sharpen yourself
It is very convenient when the knives are constantly sharp, they do not need to be sharpened. These are models with a self-sharpening function. There is a protective layer on top of the blade. It is made of metal. They are dull. But very slowly and for many years.
Which knives do not need to be sharpened:
- Damascus steel - these knives should only be sharpened by a specialist who has experience in sharpening such products.
- Bulat. A special kind of steel does not dull for a long time. Over time, it can lose its properties. Only a master should sharpen.
- Serrated coatings. If these products are dull, then no one can return them to their former sharpness. These models are not subsequently sharpened.
How often do you need to sharpen
This question can be controversial. Different models - different possibilities. An expensive knife bought, only recently sharpened, has become dull again - this means one thing: it's time to get a sharpening machine or pick up a bar, again carry out these manipulations.
It is worth paying attention! When buying any knife, both table and hunting, you should pay attention to the hardness of the steel. It should not exceed indicators: 60 HRC. If the model has a higher number, then the knife will have to be sharpened quite often.
Ideal hardness values: less than 45 HRC. This steel is quite soft.
Will rarely be blunt. On sale, most often you can find models with indicators between these two figures. This is the best option. Quite common. Their sharpening occurs after a certain time.
How to sharpen the blades of a vest
Many people have appreciated the benefits of vest shaving razors. But they also require care. Many people ask the question: "How to sharpen them?" As experienced people advise, you can sharpen them with ordinary foil. How to sharpen:
- The blade is cleaned of dust. Rubbed with alcohol.
- A foil is taken, twisted into a roll and, when unrolling, you need to hold the blade along this part.
- Sharpen until the blade is sharpened. (This may take about 2-3 minutes.)
You can return the sharpness to the knives yourself. But if they are very blunt, they have a special composition of steel, etc. - then it is better to turn to professionals who will return them to an acute condition.
Video: three main rules for sharpening a knife
