Applied Fintube

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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. Strip is fed to the machine from a payoff table beneath the Bare Tube Rack or from a free standing oscillating coil payoff system. The strip is guided through the forming rollers which shape the fin so as to uniformly expand the outer edge, resulting in a helical shape that curls around the tube. This rolling process locates more fin material near the base of the fin and tube for increased efficiency.

The No.5 Applied finned tube machine is capable of producing five basic types of fins on incremental tube sizes from 9/16″ (14.29mm) to 2″ (50.8mm) at fin heights from 1/4″ (6.35mm) to 1″ (25.4mm) at 4 to 13 fins per inch. In addition, the No.5 Applied finned tube machine has the capability of applying 5/8″ carbon steel imbedded fins on 1″ and larger tube sizes, as well as 3/8″ high stainless steel imbedded fin. Each machine is configured for the specific production requirements of the end user.

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