FIELD: heating equipment.
SUBSTANCE: invention relates to the heat engineering and can be used for the pin heat exchanging surface manufacturing. Performing the surface layers two-pass cutting and bending in the mismatched directions. At that, on the first passage, the material bending angle is chosen to be less than or equal to the cutting angle. Performing the second passage in the direction opposite to the obtained in the first passage ribs inclination.
EFFECT: excluding the undercut layer deformations due to the surface layers gap-free laying, and increasing the pin structure surface area.
1 cl, 5 dwg
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