№2 (57), 2021. ТECHNOLOGY OF MACHINE BUILDING

R.Yu. Nekrasov, O.A. Tempel, A.I. Starikov

Determination of the optimal thickness of hard-to-cut material to restore the product’s performance

At the moment, improving the productivity and performance of products is an important aspect. During the operation of objects, high abrasive loads and impact types of wear are formed practically over the entire surface area. To increase the durability and service life of large-size products with a high cost, hard material (stellite) is fused onto the affected areas in order to minimize the cost of disposal and the purchase of a new element. Since this type of material is rather difficult to process due to its ultra-strong characteristics, it is proposed to begin with a choice of deposition thickness. The paper presents computer studies to identify the rational thickness of stellite surfacing on worn surfaces of the product and draws conclusions.

Keywords: hard-to-cut alloys, working capacity, quality, deformations, vibrations, modal load.

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