hot dipped galvanized chain link fence

Specifications

hot dipped galvanized chain link fence:
1.low carbon steel wire
2.Wire gauge:1.2mm-5.0mm
3.ISO9000
4.manufacturer

hot dipped galvanized chain link fence

 

Air Gong

 

Skype:microcosm-smile

 

 

Sizes and uses

Wire Gauge	Diamond Size	Finish	Selvedge	Color(PVC coated)	Roll Length	Roll Type
9,11,11.5, 12,12.5	Common Size 2”×2” 2 1/4”×2 1/4” 2 1/2”×2 1/4”	Zink Coating ASTM Class1 ASTM Class3 (Galvanized before PVC coated)	Knuckle- Knuckle Knuckle- Twisted Twisted	Black,Brown,Green,White, Woodland Green,Steel Grey	25’ 50’ Customize	1 compact 2Non Compact 3.Quick Release Roll
Customize available

 

The popularity of chain-link fence is due to its relatively low cost and ease of installation. A further advantage is that due to the open weave, chain-link fences are transparent, and do not obscure sunlight from either side of the fence. One can make a chain-link fence semi-opaque by inserting slats into the mesh.

Installation

The installation of chain-link fence involves setting posts into the ground and attaching the fence to them. The posts may be steel tubing, timber or concrete and may be driven into the ground or set in concrete. End, corner or gate posts, commonly referred to as "terminal posts", must be set in concrete footing or otherwise anchored to prevent leaning under the tension of a stretched fence. Posts set between the terminal posts are called "line posts" and are set at intervals not to exceed 10 feet. The installer attaches the fence at one end, stretches it, and attaches at the other, easily removing the excess by "unscrewing" a wire. Finally, the installer ties the fence to the line posts with aluminum wire. In many cases, the installer stretches a bottom tension wire, sometimes referred to as "coil wire", between terminal posts to help minimize the in and out movement that occurs at the bottom of the chain-link mesh between posts. Top horizontal rails are used on most chain-link fences, although not necessary. Bottom rails may be added in lieu of bottom tension wires, and for taller fences, 10 feet or more, intermediate horizontal rails are often added.

Once stretched, a bottom wire should be secured to the line posts and the chain-link mesh "hog ringed" to the tension wire 2' on center. One generally installs this wire before installing the chain-link mesh.

 

Manufacturing

 

The manufacturing of chain-link fencing is called weaving. A metal wire, often galvanized to reduce corrosion, is pulled along a rotating long and flat blade, thus creating a somewhat flattened spiral. The spiral continues to rotate past the blade and winds its way through the previous spiral that is already part of the fence. When the spiral reaches the far end of the fence, the spiral is cut near the blade. Next, the spiral is pressed flat and the entire fence is moved up, ready for the next cycle. The end of every second spiral overlaps the end of every first spiral. The machine clamps both ends and gives them a few twists. This makes the links permanent.

An improved version of the weaving machine winds two wires around the blade at once, thus creating a double helix. One of the spirals is woven through the last spiral that is already part of the fence. This improvement allows the process to advance twice as fast.

 

 Notable uses

• Used to notable effect in the Gehry Residence by Frank Gehry
• Wrestling steel cage matches
• Backstops used in baseball and softball fields
• Before the advent of gravel trap in the later half of the 1980s, chain-link fencing was used as catch fences in racetracks to slow out-of-control cars down before they impact barriers. In the 2000s they continued to be used at American dirt tracks.
• Many parks in London were fitted with chain-link fencing during the Second World War when the original iron and steel railings were removed for the war effort (though many are now being replaced).

 

 

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