With the advent of electric meat grinders, housewives have much more time. How much time did they spend before to make minced meat, especially if the family is large? Using an electric meat grinder, you can quickly and efficiently grind meat.
Modern devices differ from previous ones in increased reliability and, accordingly, increased service life. One of the important parts is the knife, which chops the meat. Unfortunately, this is also the most fragile part - it deteriorates much faster than other spare parts. This is due to the fact that when cutting food he receives a huge load.
How to choose the right meat grinder
Be sure to look at the quality of the material from which the meat grinder and the knife in it are made. The length of service life will depend on this.
Knives can be made from cast iron or hardened steel. These materials are the most durable, last a long time and retain their sharp cutting edges. For the production of knives, the method of forging or stamping is used.
The most durable options are forged. They are expensive and weigh more than stamped ones. They produce cast knives that are coated with either chrome. Looking at a photo of a meat grinder knife, it is visually quite difficult to understand what metal it is made of.Knife shapes and their effect on cutting
The shape of the cutting blade of the knife is also very important. An edge shifted forward from the vertical axis indicates that the knife will cut using the sliding method. In this case, the efficiency of grinding products is low.
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The advantages of such a knife include the fact that the processed products will not remain on the walls of the working chamber, and the cross-section of the chamber will not narrow. The meat grinder will not require frequent disassembly and cleaning.
Modern manufacturers of meat grinders equip them with knives with a saber-shaped edge. Such knives glide much better than others, and cutting is performed more efficiently.
Peculiarities
The meat grinder knife is characterized by different modifications. A popular variety is with four cutting blades. Three- and two-blade cutting parts also exist, but are less common. Knives for an old manual meat grinder differ in the material they are made from. For example, now this part is made of soft stainless steel. Previously, knives were made from high-carbon, durable tool steel.
The main differences between domestic and foreign-made knives are in the appearance of the cutting tip . The cutting edge of a classic knife is in front when viewed relative to the vertical. The cutting process is ensured by sliding, but it is small. This type of knife is not very effective in operation.
Modern electric meat grinder knives are usually saber-shaped. Thanks to the strongly offset cutting edge, good glide is ensured. The efficiency of saber-shaped knives is high. They are widely used for household electric meat grinders.
Meat grinders, which are used in catering establishments, have particularly high productivity. The knives on such units differ significantly from those used in home meat grinders. The profiles of the cutting edges are straight, and the blades themselves have protrusions.
Such profiles provide the same sliding force. The conditions for cutting the product with such a knife provide good efficiency. At the same time, unlike a saber knife, which acts as a spatula, spreading the minced meat in front of the grate, knives for a professional meat grinder precisely chop the product, and in 10-15 minutes.
A knife with saber-shaped points has recently been used less frequently in household meat grinders, as it has the main drawback - it pushes the meat to the edges of the auger. The housing in front of the grate becomes “overgrown” with product, productivity decreases, and the device requires periodic cleaning. When you need to process a limited amount of meat, it is not noticeable. The process becomes difficult with large batches being processed.
It is important to pay attention to the features of the unit’s knives, especially if you plan to process large amounts of meat or other products at home. The optimal power of a home electric unit is considered to be 250-700 W, which allows you to make minced meat from 2-3.5 kg of meat in 1 minute. If it is customary for a family to prepare a fairly large amount of minced meat, you can take a closer look at models from 800 W - they usually have increased functionality.
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The configurations of meat grinders are different, but the wider the functionality, the higher the price of the device. If many attachments are not needed in use, it is better to choose a simple model, but with a high-quality cutting element.
How many blades should there be and what size?
An electric meat grinder is equipped with knives that can have from two to six blades with a cutting edge. The most common options are four-blade knives.
Six-blade ones are used in meat grinders that are installed in factories or large supermarkets, where the amount of minced meat produced per day amounts to more than one kilogram.
The type of meat - large pieces or small ones - will depend on the number of rays on the knife. For large pieces, use a two-blade knife; for small pieces, you will need a knife with four blades.
Grilles MIM-600
Grate MIM-600 No. 1 Grate with holes with a diameter of 3 mm, designed for meat grinders MIM-600 with and without collar.
Grate MIM-600 No. 2 Grate with holes with a diameter of 5 mm, designed for meat grinders MIM-600 with and without collar.
Grate MIM-600 No. 3 Grate with holes with a diameter of 9 mm, designed for meat grinders MIM-600 with and without collar.
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Types of knives for meat grinders
All knives produced for modern meat grinders made from steel must be sharpened periodically. More expensive models of knives, which will be made from a special alloy containing cobalt with the addition of molybdenum, chromium will be more wear-resistant. Thanks to this alloy, the knife will serve the owner for a long time and will not require sharpening.
A self-sharpening blade knife for meat grinders, which is made from tool steel, is used in meat grinders for industrial purposes. These are the most expensive knives that make no sense to purchase for household meat grinders.
How to properly sharpen a meat grinder knife
Household appliances are equipped with standard knives for meat grinders, which must be sharpened periodically.
You should sharpen it as soon as you notice that the knife has stopped quickly grinding meat or the number of strands that are wound around the auger has increased.
All knives must be sharpened in a special workshop. However, if you want to do it yourself and have a sharpening tool at home, you can do this procedure at home. The most important rule is to read the instructions for meat grinder knives before you start sharpening.
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You can sharpen your knife using a sharpening stone. To do this, you need to wet the stone well. Move the knife in a circular motion. After you finish sharpening, be sure to connect both elements of the block that is cutting to ensure there is a gap between them.
There is another option for sharpening using sandpaper. To do this, you need to fix the sandpaper on the plastic. Sharpening is done in a circular motion in one direction. First you will need paper with medium grain, and then with fine grain. It is necessary to polish to a mirror shine.
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