Coil forming

Coil Bender for heat exchanger coil production.

Coil bending equipment helps form assembled coils into the required shape for HVAC, refrigeration and customized heat exchanger products.

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CNC coil bender machine

Production role

The coil bender is used after coil assembly and expansion when a heat exchanger needs to be folded into the final product geometry. Sinoak catalog options include column type machines for L and U shapes, and cantilever type machines for L, U and G shapes.

Catalog model range

ItemColumn typeCantilever type
ModelsZWJ-1200, ZWJ-1500, ZWJ-2000ZWJ-800, ZWJ-1200, ZWJ-1500
Supported shapesL shape and U shapeL shape, U shape and G shape
Number of layers1-31-3
Bend angle0-120 degrees0-120 degrees
Maximum working width1200, 1500 or 2000 mm800, 1200 or 1500 mm
Work efficiency referenceOne bend <=15 sL type <=30 s, U type <=60 s, G type <=90 s
Total power3 kW4.5 kW
Air pressure0.4-0.7 MPa0.4-0.7 MPa

Specification points

Coil geometryProvide length, width, thickness, tube diameter and target bend shape.
Bend radiusPipe diameter and bending radius should be confirmed from the customer's drawing.
AutomationThe catalog notes servo control for high automation, energy saving and stable operation.
IntegrationReview the connection with expansion, leak testing, inspection and final assembly steps.