The extruded fin is formed from an outer aluminum tube with a large wall thickness (muff), which is aligned over an inner base tube. The two tubes are pushed through three arbors with rotating discs that literally squeeze or extrude the aluminum fins up and out of the muff material in a spiral shape in one operation. Read more...More Product Announcements from McElroy Manufacturing, Inc.
The McElroy applied tube finning machine is a miniature high speed rolling mill synchronized with the rotation and advance of the tube. Quick change, steady rest input and output racks, allow a 1" tube to rotate at up to 3000 RPM. Read more...More Product Announcements from McElroy Manufacturing, Inc.