ES300699A1 - Automatic machine for milling of fins on cylindrical parts (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

"Automatic machine for the milling of fins on cylindrical pieces" in adjacent sectors, especially parallel helical fins, these presenting one sector to the next an opposite inclination with respect to the axis of said part, to form angular fins, said machine being of the type comprising a support frame, two support screws that are axially movable and between which the workpiece is placed; at least one set of cutters provided with rotary drive means, and means for producing relative movements determined between the workpieces, and the cutters, for obtaining spiral fins angularly arranged according to adjacent sectors of parallel fins, characterized, by that the means for producing said relative movements are constituted, on the one hand, by a motor member that drives said piece in rotation and, on the other hand, by a reproduction unit that causes the movement of the cutters parallel to the axis of the workpiece. a first direction for carving the fins in a first sector and then in the opposite direction for carving the piece in the adjacent sector; the cited machine is provided with an automatic control that for the complete work of a piece, performs several successive cycles comprising the positioning in position of the cutters in contact with the piece; the control in rotation of the piece and of the strawberries; the movement of the cutters parallel to the axis of the piece, in one direction and then in the opposite direction; these displacements are repeated as many times as sectors have the piece; the stopping of the rotations of the cutters and of the piece when finishing a complete revolution of the latter; the looseness of the cutters and the displacement of the same parallel to the axis of the piece for the work, in the course of the following cycle and in the same sectors of the fins parallel to those already carved; the automatic control mechanism acts on the start-up and the stop of attached organs that regulate the cooling of the milling cutters, the removal of the chips, the stopping of the machine at the end of the last work cycle, and the looseness of the piece worked, already finished. (Machine-translation by Google Translate, not legally binding)