Extruded finned tube Manufacturing Process
The overall extrusion of bimetallic finned tube is to extrude the finned tube (pure aluminum and copper) into the required shape and size by using a special rolling mill and roller, and fasten it on the base tube of the inner layer. The three groups of rolls of the rolling mill are all active, which are directly driven by the three main shafts of the headstock through universal joints. The three groups of rolls form 120 ° to each other. To facilitate manufacturing, each group of rolls is composed of separate roll discs. Three groups of roll discs are staggered by one third of the pitch of each corresponding disc along the axis direction, and each pair of roll discs and the axis direction twist a helix angle, so that the rolled spiral wing tube can be pushed forward along the axis. Each roll disc is divided into three parts according to the deformation needs of the aluminum tube: the bite part, the rolling section and the wing extrusion part. The tube blank finally meets the design requirements through these three steps.
Extruded Aluminum Finned Tubes Applications
HVAC & Boiler
Power Plants
Heat Recovery Steam Generators
Petrochemical Industries
Marine Applications
Refrigeration Applications
Economizers
Oil and Gas Coolers
Plumbing and Air Conditioning
Condensers and Evaporators
Shell and Tube Heat Exchanger
Other various Heat exchanger applications
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