Mill for hot rolling of bevel gears

摘要

A mill for hot rolling of bevel gears comprising a stand, a gear blank spindle rotatably mounted in the stand, a gear blank clamping device having a hydraulic cylinder and arranged in the gear blank spindle, a tool spindle mounted in the stand with the possibility to rotate and to travel transversely to the axis of the gear blank spindle, a gear blank heating device having a drawing mechanism. Fitted on the rod of the hydraulic cylinder of the driving mechanism of the gear blank heat device is a stop member brought into immediate contact with a cam. The mill also incorporates a tie-rod articulated to the cam and a two-arm lever having its one arm articulated to the tie-rod and the other one to the rod of the hydraulic cylinder of the gear blank clamping device.