DEVICE FOR THREADING Russian patent published in 1996 - IPC

FIELD: mechanical engineering. SUBSTANCE: detachable threaded cam drum is fixed by way of collet or yoke to the pin of a wheel pair to be threaded. The pitch of outer thread of the drum is equal to the pitch of the thread on the pin of a wheel pair to be threaded. A threaded cam comb is movably mounted on the top carriage of the support provided with a cutter perpendicular to the direction to the axis of a part to be threaded. At a moment of contact the comb and threaded cam drum secured to a part to be threaded define a screw pair that move the top carriage of the support. EFFECT: enhanced efficiency. 2 cl, 4 dwg