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Wired Edge

From DT Online

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Description

The edges of thin sheet metals can be made safe and given additional rigidity by folding the top rim around a thick wire to create a Wired Edge type of Hem.


Making the Joint
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  • Mark out the Development, or pattern, of the object to be made allowing an extra 2.5 times the diameter of wire to be used along its top edge (plus any other allowances for joints and seams).
  • Where possible, the initial folds to create the Wired Edge are made whilst the sheet is still flat using Folding Bars and Hatchet Stake or Bench Folder.
  • Bend the folded angle down on to a strip of scrap metal of thickness equal to the wire diameter using a Boxwood or Rawhide Mallet on to a Bench Block or similar surface.
  • Complete any other folds for joints and seams.
  • Form a length of wire to suit the perimeter of the finished edge and tucked it into the previously formed channel.
  • Lie the workpiece with its top edge face down on a Creasing Iron, Bench Block or similar surface and tuck the edge of metal down on to the wire with a Peening Hammer to complete the edge.

Note: Use a Mallet and not a Hammer initially to avoid stretching the metal as it is struck (this would cause the edge to curl and distort).



DT Online Buyers' Guide
Thor 114 Rawhide Mallet Size 3 Emir 86 Tinsmans Mallet 50mm Kreator Professional Quality Graphite Shaft Machinist Hammer 300g KRT901201 Gilbow G69 Right Hand Universal Tin Snip 11-inch Gilbow G67 Left Hand Universal Tin Snip 11-inch CLARKE METALWORK METAL FOLDER BENCH/VICE MOUNTED PANEL FLANGING / JOGGLER & 5mm HOLE PUNCH TOOL Extra Large Solid Steel Bench Block 6 Draper 35481 4.5KG Anvil Single Bick (Cast Iron) CLARKE SPOT WELDER 230v 13Kw MILD STEEL 2mm + 2mm CSW13T
Thor 114 Rawhide Mallet Size 3 Emir 86 Tinsmans Mallet 50mm Fiberglass Shaft Machinist Hammer 300g KRT901201 Gilbow G69 Right Hand Universal Tin Snip 11inch Gilbow G67 Left Hand Universal Tin Snip 11inch Bench/Vice Mounted Sheet Folder Panel Flanging/Joggler Tool with 5mm Hole Punch Extra Large Solid Steel Bench Block 6" x 4" x 3/4" Draper 35481 4.5KG Anvil Single Bick (Cast Iron) Clarke Spot Welder 230V 13kW