How to Measure Parameters of Spiral Weave Mesh (Balanced Weave Belt)

Spiral weave mesh is a distinctive metal fabric composed of horizontal rods and vertical, pre-bent spiral wires interlocked to form a sturdy, uniform grid. Historically rooted in industrial conveyor systems for material handling, its attractive patterns and robust craftsmanship have led to widespread adoption in architecture for facades, balustrades, and decorative screens.
To specify or verify this product, understanding and accurately measuring its parameters is crucial. The key elements are illustrated in technical diagrams and defined by a range of specifications:
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Spiral Wire Diameter (1.2mm - 10mm): This is the thickness of the vertical, bent wires that form the "spirals." It directly impacts the mesh's flexibility and strength. Measure it using a caliper on a straight section of the spiral wire.
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Rod Diameter (1.3mm - 5mm): Also called the rod wire diameter, this refers to the thickness of the straight or bent horizontal rods. It is a primary factor in the load-bearing capacity. Use a caliper for precise measurement.
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Spiral Wire Pitch (3mm - 38mm): This is the center-to-center distance between two consecutive spirals in the vertical direction. It influences the mesh's density and transparency. A precise ruler or gauge is needed for this measurement.
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Rod Pitch (13mm - 64.5mm): This is the center-to-center distance between two adjacent horizontal rods. It, along with the spiral pitch, determines the size and shape of the mesh openings.
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Overall Dimensions: The Width and Length of the mesh panel or roll are fundamental for installation and coverage planning.
Beyond these core measurements, other vital specifications include the Weave Technique (typically plain weave), available Raw Materials (stainless steel, carbon steel, brass, copper, etc.), and Spiral Wire form (round or flat).
