METHOD FINISHING PART CYLINDRICAL SURFACES WITH THEIR SIZING AND HARDENING Russian patent published in 2013 - IPC B23D37/00 

FIELD: process engineering.

SUBSTANCE: proposed method comprises applying elastic stress to blank surface layer by tool cutting element to cut said surface layer. Prior to cutting, surface layer is elastically stressed in alternating longitudinal and circular feed of cutting elements using static pulse load. Note here that tool comprises even number of cutting elements sliding on mandrel. Note also that said cutting elements are keyed together to locate ledges of cutting elements in staggered order so that recesses of one element are overlapped by ledges of another element. Note that cams are made on rear end if the last cutting element to make half-coupling to engage with that made on hollow shaft end. Note here that cylindrical helical compression spring is arranged between said half-couplings. Note said hollow shaft is stationary with respect to mandrel and may displace longitudinally when driven by pulse force. Note also that epilam layer is applied on working surfaces and holes of cutting elements. Grooves of cutting elements are located at definite angle to tool axes defined by adduced formula.

EFFECT: finishing combined with sizing.

11 dwg