Polyurethane Sieves for screens

Sieve for screening is an element of equipment for the separation of bulk material. In the manufacture of the product, various metals are used.

from 3500 rubles/piece.

A qualitative sieve for the screen, can only be bought after studying the assortment of designs. The order of a sieve for a screen, the production of which, is carried out from high-quality materials is possible at the manufacturer’s side and at comprehensible prices.

Types of structures

The most popular types of sieves are:

  • Perforated punched screens;
  • Woven sieves;
  • String screens;
  • Lattices grate;
  • Lattices welded;
  • Polymer products;
  • Finger-shaped screens;
  • Harp-shaped sieves;
  • Polyurethane screens;
  • Woven stainless sieves;
  • Sieve from steel Hardox.
Sieves woven for screening are made using steel wire. These products are not expensive and very popular. Strength and reasonable cost have made the products in demand, besides they are easily repaired, and have a light weight.

The thickness of the wire can be different. The material of manufacture is high-carbon, carbon steel or stainless steel. If there is a possibility of corrosion (high humidity), then a stainless steel sieve is best suited. In the manufacture of woven sieves, the manufacturer takes into account the requirements of the client. Types of weaving can be vary, depending on the required size of the cells, the thickness of the wire, the flexibility and strength of the material. In the manufacture of woven products, a polyurethane dressing is sometimes used. These elements can be self-cleaning. The shape of the cells can be:

  • Slit form;
  • Rectangular shape;
  • Square shape.

The size of the cells is from 12.5 mm to 100 mm. The most demanded wire is of diameter of 0.8-10 mm. The field of application is the sorting of quarry products, ores, soils, etc. into fractions.

In stringed metal products, the wires are placed parallel to each other. Their advantages are self-cleaning ability and high productivity. Due to the absence of additional transverse elements. The strings are made of spring or stainless steel, the lacing is made of polyurethane or rubber. This type is convenient for the separation of sticky, clogging materials.

The welded element of the equipment for the screen is welded from a metal rod. This type is inferior to the woven version, due to the uneven distribution of the load. Woven metal products are endowed with springiness and level the load, impacts of large particles. Welded option - laborious in view of which is not popular.

Finger-like structures are simple, metal bars attached to the cassette. The distances between the bars are varied, as is the diameter of the rod. The parameters depend on the purpose of the products. Finger-shaped screens are used for sifting dolomites, limestone and other coarse-grained, clay materials.

Polymer sieves are made of polyurethane, rubber, used for washing operations. Products are not subject to corrosion, but are prone to abrasion. Due to the use of water during operation, the degree of abrasion wear is reduced. This option is easy and inexpensive. Many still prefer the metal sieves.

Grate bars - durable, endowed with great strength. They serve for sifting gravel, ore and other materials, consisting of large, heavy fragments.

How to choose the sieve for screening

It is important to focus on such parameters:

  • Duration of service life;
  • Weight of metal products;
  • Lumen size (cells);
  • Terms of use of the equipment element;
  • The price of the installation.

The ease of construction allows you to budget transportation costs. The equipment where the sieve is installed will have a small load due to which the risk of breakage and wear is reduced. Soft rocks, with high humidity stick together (limestone, dolomite). Large-mesh structures should be chosen. Acquiring a sieve for a screen, it is necessary to consider two types of size. With the diameter of the desired fraction and with a diameter of 3-5 mm greater than the first.

In choosing a sieve for a screen, the price should not play a decisive role. Saving funds in such a business is not profitable. A long-lasting product will last many years and will work efficiently. It is necessary to choose more reliable, high quality sieves for screening.

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