FIELD: machine building.
SUBSTANCE: mandrel comprises a housing in which a rod composed of two coaxial parts is installed: a rotary-translatory part and a translatory-reverse part. The translatory-reverse part of the rod is fitted by rigidly fixed deforming translatory-reverse ring and backup washer and by movably connected deforming translatory ring and plate-type Z-shaped spring. A pin limiting the rotation of the translatory-reverse part is installed in the groove of the housing and is able of travelling. The rotary-translatory and the translatory-reverse parts of the rod are connected by toothed half-couplings with inclined sections and sections parallel to the rod axis. The plate-type Z-shaped spring and the deforming translatory ring are placed between the backup washer and the deforming translatory-reverse ring.
EFFECT: improved efficiency of mandrelling.
1 dwg
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