Razor Wire–Different Types for Different Application Purpose

02 Jul.,2024

 

Razor Wire–Different Types for Different Application Purpose

The application scopes of razor wire

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Razor wire is divided into welded razor wire, straight razor wire, flat razor wire, and concertina or spiral razor wire. They all look different, the application is also different. Compared with barbed wire, razor wire has larger covering area and closer spacing to prevent thieves and intruders from entering the places.

  • RW-01: Diamond welded razor fence.

  • RW-02: Straight razor wire fence.

  • RW-03: Flat razor wire.

  • RW-04: Concertina razor wire.

  • RW-05: Razor wire combined with chain link fence.

  • RW-06: Razor wire combined with welded wire security mesh fence.

Welded razor wire

Diamond welded mesh straight razor wire gives people a kind of unique feeling. There are various mesh openings, generally the mesh openings are 70 × 150 mm and 100 × 150 mm, and this razor wire is often manufactured with frame for fixing function. Mesh razor wire's tape is sharp, fingers will be cut quickly, so this wire mesh is anti climb, and can greatly prevent the behaviors of greedy people to stop the crime. Welded razor wire is often combined with the concertina razor wire to achieve high level security and used by military fighters for army fencing, frontier fencing or some strict organizations fencing.

Straight razor wire

The material of straight razor wire can only be galvanized steel wire, so anti-corrosion effect is better. Packaging method is as same as the barbed wire, it can be pulled into a straight line and it's easy to install. According to different purposes of customers, there are various ways to install. It can not only save money for customers but also anti-theft. It can be used individually, and also can be used with other fences. It's mainly applicable to residential area, storage room, coal mine base, farming site, also used for tourist interest fencing, park fencing and so on.

Flat razor wire

Flat razor wire is made of carbon steel or stainless steel, which has good hardness, rigidity, and longer service life. It is transformed from the single coil concertina wire. We can also intersect various rolls of flattened single coil concertina wire and then fasten them with clips or tie wires. It can be used individually or combined with other fences to form an security wall for various sites fencing.

Concertina or spiral razor wire

Concertina or spiral razor wire is a kind of common razor wire, it occupies more than 80% of the market. It's easy to install and has a good anti- theft effect, and it's widely used for border fencing, also installed on the walls for factory fencing or residence fencing. We can offer different outer diameters for customers. Generally border line fencing razor wire outer diameter is 800 or 900 mm, but civilian will choose the type of 500 mm outer diameter.

Welded Wire Mesh Manufacturing Process

Welded wire mesh manufacturing process, include galvanize welded wire mesh and vinyl coated welded wire mesh production processing.

Wire rod

The raw material used for product material is of low carbon steel from various steel manufacturers, commonly known as wire rods. The raw material grades are SAE , SAE , and SAE which has a percentage of carbon in the range of 0.08 to 0.12. Stainless steel wire, iron wire, galvanized wire is the ideal raw materials.

Cold rolling

Cold rolling is a metal working process in which metal is deformed by passing it through rollers at a temperature below Recrystallisation temperature. Cold rolling increases the yield strength and hardness of a metal by introducing defects into the metals crystal structure. These defects prevent further slip and can reduce the grain size of the metal.

Straightening & cutting

Specialized machinery from Italy is used for straightening and cutting process. The cold rolled wire rods in the coil form is passed through pre set die and cartridge units (special sets for different diameter wire rods) present in the straightening and cutting machine, where the wire rods are first straightened and then cut to set length (precision up to 2 mm) automatically. The wire rods can be cut to any size ranging from 0.8 metre to 12 metre with a max tolerance of 2 mm.

Welding

Welded wire steel fabric is manufactured with automatic welding machines, where wires are welded together in square or rectangular grids. The wires are welded by electric resistance in an automated state of the art machine which controls welding parameters precisely. All the settings for dimensions and welding are programmable. The weld is formed by a controlled combination of pressure, intensity and duration of electric current to develop fusion of the wires. Welded steel fabric utilizes welded intersections for bond and anchorage.

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Bending & cutting

Two separate machines from Schnell, Italy are available for cutting and bending operation. The cutting machine is used for cutting the finished meshes to desired dimension. It is a motorised unit, capable of cutting meshes at a speed of 2 to 3 cut per second. The bending machine available is used to bend the cut meshes to the required shape (as required by design). The machine is capable of bending sheet to any angle (Up to 180o). Depending upon the design requirements, the sheets requiring cutting and bending will be taken for this operation else the meshes will be directly taken for despatch from the third process.

Finished mesh

After the bending and cutting process comes the final stage in manufacturing process, galvanizing or PVC coating.

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