10 Things to Consider When Buying Mesh Curtain Wall

04 Nov.,2024

 

The Ultimate Guide to Architectural Wire Mesh

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Stainless Steel Architectural wire mesh is a series of high-tensile, grade 316 stainless-steel wires interlocked together and is commonly produced from 70% recycled material. The individual wires are woven on large weaving looms at Haver & Boecker, our German-based parent company, using a similar technique used to make clothes.

While it appears rigid and unyielding, stainless steel architectural mesh proves to be fairly flexible when a certain length is reached. Because of this characteristic, architectural mesh panels can be applied to countless applications.

 

Mesh Types

The term weave type refers to the way in which the warp and weft wires cross each other. It encompasses four different mesh categories: Woven wire, Cable, Fine, and Specialty.

Woven wire

Wire mesh is best defined as an assortment of rigid wires that have been woven together to form a sheet of mesh that is interlaced.

Cable Mesh

Cable mesh is a mesh type that is woven on a specialized weaving loom, much like woven wire. The key difference between the two is that cable mesh uses cables rather than stainless steel wires in the warp (vertical) direction.

Fine Mesh

Mesh profiles that are constructed out of wires that have a very small wire diameter. Fine mesh is particularly sensitive when introduced to mechanical stresses. That said, the application of the mesh is a key factor when classifying fine mesh.

Specialty Mesh

Specialty mesh is a mesh that features a unique pattern and carries the characteristic of employing several different wire types.

How Is It Made?

 

A weaving loom that is specifically designed to properly weave stainless steel wires is employed to weave architectural mesh. These looms consist of a warp beam, heddle frames (predetermined amount), a reed, a rapier band, and a front take-up mechanism.

The warp wires are the wires that run lengthwise and are fed directly from the warp beam.

The weft (or shute) wires are the wires that run across the width of the cloth during the weaving process.

The warp beam is a cylindrical drum that is wound with a specific number and length of warp wires depending on the mesh profile and size of the mesh panel. These specifications are calculated prior to winding the wires.

Heddle frames are holders used to separate the warp wires. Each loom contains at least two heddle frames. In a loom that uses two heddle frames, heddle frame 1 initially lifts half of the warp wires while heddle frame 2 pulls the other half down. The heddle frames switch positions after the weft wire is driven between the two sets of warp wires.

A rapier band is the mechanism that drives the weft wire between the two sets of warp wires after each heddle frame cycle.

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A reed is the instrument that holds the warp wires in the desired spacing while also driving the weft wire into position.

Lastly, the finished roll of woven wire cloth is wound onto a front take-up mechanism and is removed in increments needed by the framing system of the project.

What Does the Weaving Process Look Like?

Once the beam is wound, and the heddle frames and reed are threaded, the whole assembly is transported to a weaving loom. The setup of the loom is then completed by a dedicated technician.

Once assembled, the weaving process is virtually automatic and seamless.

As the loom starts up, the warp beam begins to unwind in very small increments. The front take-up mechanism simultaneously winds the woven cloth at the same small increment in the same direction.

This movement allows the loom to maintain specific tensioning, which is critical when producing high-quality mesh panels.

As the two beams rotate, heddle frame 1 pulls half of the warp wires up while heddle frame 2 drives the other half down. It's at this point that the rapier, whether a two-part or one-part rapier, drives a weft wire between the two sets of warp wires.

Each weft wire is delivered from a separate spool of wire located at the side of the loom. As the rapier returns to its resting position to gather another weft wire, the reed pushes the latest weft wire into its final position.

This process is what creates the precise cross-sections needed to create the perfect aesthetic.

Once the weft wire is in place, the reed returns to its original position. The warp beam and front take-up mechanism then rotate at the same small increment, the heddle frames change position and the loom begins a new cycle.

These simultaneous movements are repeated over and over until the entire mesh cloth is woven.

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Alignment and Spacing

Used a level while fixing the mesh to ensure that the fixing was correctly done in the right position. If you are using some sheets in your panel, try to ensure the distance of the panel in one sheet is almost similar to that in the next one.

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