Continuous heat exchanger forming apparatus

Details Continuous heat exchanger forming apparatus Continuous heat exchanger forming apparatus

1996-06-19

1998-04-14

Cuda, Irene

Metal working

Means to assemble or disassemble

Heat exchanger

29726, 29890043, B23P 1500

Patent

active

057378282

ABSTRACT:
A device for continuously forming a heat exchanger that has a helically wound fin tube coil formed by a plurality of wraps includes a rotationally driven mandrel with a central axis and a plurality of forming corners equiangularly disposed about and displaced from the central axis. The rotation of the mandrel is about the central axis in order to wind the fin tube coils onto the mandrel. A forming block is operably rotationally coupled to the mandrel and rotates with the mandrel. The forming block is also slideably engaged with the mandrel for axial translation a selected distance with respect to the mandrel. The forming block guides the winding of the fin tub coils onto the mandrel. An actuator is operably coupled to the forming block and causes the axial translation of the forming block. The axial translation is selectively timed with the rotation of the mandrel forming corners, whereby the wraps of the fin tube coil wound on the mandrel are iteratively axially translated with respect to the mandrel to define a continuous helix having a desired wrap pitch, shape, and spacing.

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