| 摘要 |
FIELD: machine tool manufacture. ^ SUBSTANCE: housing of machine tool is provided with guiding groves toothed combs formed according to axial line of part mounted in housing in oriented position. Body of face chuck includes journals for mounting guide pins and lengthwise-feed gear wheels engaged with toothed combs of housing and kinematically coupled through worm and cone transmissions with worm wheel. The last is engaged with worm rim of face chuck. Ring of mechanism for radial feed is mounted with possibility of rotation in face chuck and it is provided with follower groove and toothed segment. Said groove is formed according to dimension change of cross section of worked part. Toothed segment engages through gear and worm transmissions with sprocket mounted with possibility of cyclic engagement with extensible stop secured to body. ^ EFFECT: enlarged manufacturing possibilities of machine tool. ^ 3 cl, 2 dwg |
