Expanded Metal
Expanded metal is a one-piece metallic mesh without any welds, that reflects a series of uniform openings in diamond shapes.
TYPES OF VARIOUS EDGE PREPARATIONS EXPANDED METAL
Expanded metal is a one-piece metallic mesh without any welds, that reflects a series of uniform openings in diamond shapes.
LWD
"Long Way of Diamond/Design" dimension
SWD
"Short Way of Diamond/Design" dimension
LWO
"Long Way of Opening" dimension; used to indicate clear opening in the long direction
SWO
"Short Way of Opening" dimension; used to indicate clear opening in the short direction
STRAND THICKNESS
Equal to the thickness of the sheet metal being used
STRAND WIDTH
The amount of metal fed under the dies to produce one strand
BOND SHEARED
Where two strands intersect; eliminates prongs or jagged edges
BOND WIDTH
The width of two intersecting strands
RANDOM SHEAR
This type of shearing leaves prongs or jagged edges
CAMBER
The maximum distance between the edge of the expanded metal and the straight edge is the camber. Bowing in sheet or coil is measured by placing a straight edge along the concave side of the metal, parallel to the LWD, touching both ends of the sheet.
