OBRABOTKAMETALLOV MATERIAL SCIENCE Том 23 № 3 2021 EQUIPMEN . INSTRUM TS Vol. 6 No. 4 2024 a b c d Fig. 7. Average fl atness deviation on the surface: a – 1; b – 2; c – 3; d – 4 Ta b l e 5 Flatness deviation (mm) Sample No. Surfaces 1 2 3 4 1 0.0517 0.0512 0.0715 0.0346 2 0.0528 0.0519 0.0717 0.0341 3 0.0523 0.0519 0.0720 0.0352 4 0.0521 0.0529 0.0710 0.0351 5 0.0521 0.0530 0.0724 0.0351 Average value 0.0522 0.0522 0.0718 0.0348 a b c d Fig. 8. Assumed geometry of the shape on the surface: a – 1; b – 2; c – 3; d – 4
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