Research of composite cutter knives for meat grinding

The article is devoted to the research of composite cutter knives for grinding meat. As a result of mechanical action on any product, its physical properties (muscle tissue structure, density, consistency, color, etc.) and technological parameters (water-holding capacity, emulsifying capacity, protein extractability, etc.) change. In order to obtain the necessary particle sizes during grinding, the product must be exposed to a certain amount of useful energy, which is spent on overcoming the strength of the material and destroying its structure in order to reduce the particle sizes. During grinding, the raw materials go through the stages of coarse, medium, fine and very fine grinding. For medium grinding of meat raw materials, meat grinders and spinning tops are used, and for fine and fine grinding, a cutter, a cutter mixer, and fine grinding machines. For cutters, chopping is often carried out using crescent-shaped knives. During this process, the knife is affected by the forces of friction, bending, impact, vibration, etc. To increase the wear resistance of cutter knives, a composite cutter knife has been developed. The knives provide high-quality finely ground minced meat, while maintaining the required properties through the use of a set of steel plates of various thicknesses and hardness. The design of cutter knives with different plate hardness improves the quality of minced meat grinding, increases its wear resistance and service life through the use of a multilayer blade structure.

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