PROFILE KNURLING MACHINE TOOL Russian patent published in 2004 - IPC

FIELD: plastic working of metals, possibly manufacture of threaded articles or articles with similar profiles.

SUBSTANCE: machine tool includes mechanism for compensating axial movements of blank. Said mechanism includes platform with groove in upper plane for arranging rolling rollers engaged with lower surface of support spring-loaded on ends. Lateral surfaces of said support engage with outer surface of rolling bearing assemblies rotatably mounted with use of sleeves on axles secured to platform. At one side of support rolling bearing assemblies are mounted on sleeves having eccentricity. Axes of rolling rollers and of rolling bearings are mutually normal. Axes of knurling rollers and rolling rollers are laid in parallel planes.

EFFECT: enhanced quality of threaded surface, increased useful time period of knurling rollers, enhanced reliability of compensation mechanism.

3 dwg