METHOD OF RESIDUAL STRESS RELAXATION Russian patent published in 2018 - IPC B24B39/04 B23P25/00 

FIELD: instrument engineering.

SUBSTANCE: invention relates to residual stress relaxation. Component part is rolled around its axis and is deformed by rollers. Component part deformation is processed with initial deformation u₀: and maximum deformation u_m: where l is the length of the part, mm; W – moment of bending strength, mm; E is the part material elasticity modulus, MPa; J is the moment of inertia of the cross section of the part relative to the central axis, σ_T – part material yield point, MPa; σ_o – bending stress equals to σ_o = 0.5 σ_T, MPa.

EFFECT: as a result, increasing the quality part process and increasing productivity.

1 cl, 1 dwg, 1 ex