Wire Mesh

Industries
We can offer our Woven meshes in :
  • 40+ designs specific to the machine and application
  • 40RM + in continuos length ,
  • 1.5M to 6M wide.
  • Open Ended & Endless

Industries we serve:

  • Paper
  • Tea
  • Mining
  • Leather
  • Oil filtration
  • Cement etc.

We always maintain precise mesh opening, excellent flatness and stability

Type of Materials

Typically all weavable metals and synthetics are used, as well as combinations of both. The most common materials are:

Stainless Steel:

SS 304, SS 304L, SS 316, SS 316L

Plastic combination:

SS & PE
SS & PET

Custom Material:

As per client needs

 

Weaving Process

Our modern shuttleless looms are capable of manufacturing different types of weaves as per the need of customers. Our weaving process is automated ensuring precise weave and consistent quality.

The wires are delivered on spools. The width of the wire mesh defines the number of warp-wires. They are now to be rewinded on a barrel. After that, the spool is placed in the loom.

Every single warp-wire is intaken manually into the heddle frame and finally coming through the reed. For a 2 meters width (with a wire diameter of 0.25 mm) up to 40,000 wires will be required (Depending on the weave construction, number of wires may differ).

After placing the spools together with the mounting in the loom, the weaving process starts.
After finishing the weaving process, we can continue processing according to our customers' needs. Besides several methods of treating the fabric, we offer numerous kinds of pre-cutting also:
  • Rolls
  • Stripes
  • Multi-layered screen

Types of Weaves

Weave Variables

1. Altering the diameter of the wires in the warp direction (wires running in the longitudinal direction) and/or in the weft direction (transversal running wires).
2. Altering the number of wires in the warp and weft directions.
3. Altering the weave pattern.

Plain Weave

Plain weave is produced by the alternately passing of the weft wires over and under the warp wires. This is the best known type of weave. It grants highly accurate mesh sizes.

Custom Weave

Custom weaves engineered to meet custom applications are a specialty of WMW.

To meet your requirements, we can:
Alter the diameter of the wires in the warp direction and/or in the weft direction; alter the mesh count or spacing in the warp or weft; or, alter the weave pattern itself. We can, additionally, use material combinations to achieve certain characteristics.

Features and Materials

  • Chemical and heat resistance
  • Effective, efficient retention of solids
  • Consistent flow rates during filtration cycles
  • Highly durable
  • Smooth surface for a good cake discharge
  • Environmentally friendly as raw materials are reusable and recyclable
Using only high quality materials such as:

1. Stainless steels - chrome and chrome/nickel, including high-temperature alloys

2. Combination materials

 

Consideration in choosing a mesh type
  • Chemical strain from acid, caustic solutions or solvents
  • Temperature
  • Method of cleaning mesh after filtration cycle
  • Filter opening depending on the required filtration quality
  • Type and dimensions of the filter
  • Type of wire cloth support
    (e.g. filter plate surface)
  • Mechanical strain (pressure, elongation, abrasion)
  • Method for discharging filter cake
  • Location of the filter cloth in the application
    process, which indicates the quality of the filtrate and / or filter cake

 

Types of Seams

We have experts with more then 25 years of seaming experience, WMW seams are strong and flexible, little or non-marking and are an integral part of the mesh itself. The following are the most commonly used seams:

Plasma Seam

Typically supplied in endless form,
Plasma Seams offer non-marking like Soldered Seams but can take the stress of elevated temperatures.

Brazed Seam

Prepared at WMW on one or both ends vand supplied as endless.

The seam is non-marking, strong and flexible.

Our skilled technicians are able to consult with you before, during and after the installation to ensure complete success.

Hand Sewn

Prepared at WMW for applications that transmit heavy mechanical loads on the mesh. Eg. Gasket manufacturing .

Metal woven wire cloths made from a variety of material grades are used in the:

  • food industry
  • beverage industry
  • oil regeneration
  • chemical and pharmaceutical industry
  • air filtration / dust filtration

Many materials that are sieved, in particular carbon, coke, ore and crushed stones, have high demands as to the mechanical stability and wear resistance of the sieve. Other applications are delicate and require very fine and precise apertures. WMW has the weaving capability and experience to fulfill all of these needs. Depending on the application, WMW can offer plain woven mesh or special weave patterns.

We pay particular attention to the quick availability of standard mesh types. Our stock is permanently filled with standard cloths.

 

Types of Edges

Mesh edges are secured to prevent unraveling, which can cause beltand conveyor damage. Edge treatments are offered in the following forms:

Woven loop edge (Selvadge)

During the weaving process, the mesh is manufactured in supply width only. This is done by feeding the weft wires back into the mesh. Only possible with thin or soft weft wires.

Coated edge

A special coating applied is applied on the edges, to ensure that there is edge hardening to increase wear resistance. However its is imperative that the chemical and thermal conditions of the process are considered.

Angled Edges

Mesh edges are prepared and trimmedthen the weft wires are brushed back against the running direction. This is only possible with thin or soft weft wires

 

Finishing

In order to achieve absolute belt flatness and uniformity and relieve stresses induced by weaving, WMW meshes up to 6 M wide are stretched and flattened on our stretching machines.

Stretching

Mesh is put on two moveable rolls and extended to a certain degree. By stretching metal mesh, structure of the warp and weft wires is improved because of parallel alignment of the stretching rolls. Allows used belts with little deformation to be reworked for further use.

Flatening

Flattening is the “spreading” of the mesh surface during the stretching process. Special tools are used as the belt rotates around the rolls yielding uniform flatness. Edge curl is reduced or eliminated with this process.