TinnerFlow™1st YearDuct Assembly, Seams & JointsCoordinate before final work
Electric pocket-locking and roll-forming machines require light, steady, automated tracking guidance—never jam or violently force the machine down the seam path. Lock the first 2 inches of the corner track manually using a hand duct hammer to establish a.
You use an electric longitudinal lock-seaming machine (button-lock machine) to track a continuous corner mechanical lock on a 5-foot stretch of custom ductwork. You pull the tool forward too fast, causing the tracking wheels to hop out of the pre-bent flange track, slicing open the sheet skin.
Electric pocket-locking and roll-forming machines require light, steady, automated tracking guidance—never jam or violently force the machine down the seam path. Lock the first 2 inches of the corner track manually using a hand duct hammer to establish a. The likely recovery is to check the tool setup, correct the prep or technique if it is within your assignment, and bring the journeyman or foreman clean information before the work creates rework overhead.
Use this as training guidance. Foreman direction, approved drawings, project specs, manufacturer instructions, employer safety policy, and AHJ/code requirements always control the final answer.