Abstract
This article considers the conditions for creating the soil-cutting blade wear model proceeding from abrasive wear mechanics. The basic determiners of the nature and rate of blade wear are identified. The influence of external factors is considered that are related to power consumption for overcoming the soil resistance to destruction. The soil resistance forces include the ones that deform the soil at compaction, and the inertia forces that originate at the uplift and displacement of the soil layer. The necessary and sufficient conditions for creating a model similar to natural in the domain of desired properties are considered. The similarity criteria of the model-nature system are determined that characterize the processes observed during the blade wear in actual soil conditions. The numerical values of the similarity criteria determined for the model are identical to the natural loamy soil.
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