Method and apparatus for bending a heat exchanger coil

Details Method and apparatus for bending a heat exchanger coil Method and apparatus for bending a heat exchanger coil

B - Operations, Transporting

21

D

153/15

B21D 7/04 (2006.01) B21D 7/024 (2006.01)

Patent

CA 1294521

ABSTRACT A method and apparatus for bending a heat exchanger coil, and particularly a fin-on-tube coil, is provided which reduce pressure on the coil at a bending location to prevent damage to the fins and coil by effecting relative movement between a support bed for the coil, defining a coil plane, and a rotating mandrel, in a direction perpendicular to the coil plane during approximately the first 10° of rotation of the mandrel. Such relative movement can be accomplished by either moving the support bed or by moving the rotational axis of the mandrel.

550967

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