Determination of the optimal horizontal boring mill for the repair of the pipe-rolling reduction-stretching mill’s body stands

The article defines the optimal equipment necessary for repair of body stands a pipe-rolling reduction-stretching mill. stand mill crate, made 40X structural alloy steel, undergoes wear bearing seats during operation. Body restoration is carried out by surfacing worn surfaces part with subsequent machining to dimensions specified in design documentation. In process medium-carbon steels, carbides are formed, which leads sharp increase hardness zone thermal influence, affects durability carbide plates and processing accuracy. It consider geometric shape, dimensions, weight material while choosing repairing stand. Using horizontal boring machine spindle performing rotational translational movement axial feed, it take into account rigidity spindle, accuracy processing, especially when restoring deep holes after hardening materials. Bending can cause vibration beating, will affect quality work performed. An be achieved using drilling rod or increasing diameter spindle. Since restore blind repaired housing, impossible use rod. work, was determined, taking features piece.