Sunday, December 25, 2011

Cable Ties Desig and use

What are Cable Ties?

Standard cable ties are commonly fabricated from nylon grade 6.6 and are used to harness and bundle items, usually wires. Functioning like straps, cable ties are available in miniature sizes for holding small loads, and are also fabricated in long lengths and strong tensile strengths for large items or bundles. Each tie features serrated “teeth” on one end, which function by locking inside the head, or pawl, located on the other side of the strap. Various manufacturers custom design cable ties in numerous colors or dimensions, according to application requirements. Additionally, cable ties may be fabricated in UV-protected variations.

Cable Tie Applications and Types

Cable ties help organize wiring systems by grouping cables together. Specific application fields include transportation, telecommunications, speaker wires, and home theater/equipment. They are constructed for indoor and outdoor use and vary in composition.

Natural Cable Ties are usually constructed from 6.6 nylon grade. These ties are typically appropriate for general purpose applications and are resistant to chemical, grease and oil-based products. All ties should meet a flammability resistance requirement, which is indicated by the manufacturer. Many of these ties may be manually adjusted, and various pneumatic tools are available to help reduce installation time. Higher temperature nylon generally includes nylon grade 4.6.

UV Protected Cable Ties are also known as black cable ties and are used for outdoor applications. Like natural cable ties, they are resistant to oils and grease; they are different because they are resistant to environmental contaminants. These cables are commonly used for applications that require a high tensile holding strength and are often manufactured in nylon 12 grade material.

Stainless Steel Ties are typically suitablefor applications that require a high-level of protection against corrosion and environmental conditions, which may cause typical nylon cables to disintegrate. They are used for indoor, outdoor and underground applications. Manufacturers may offer black nylon sleeves for added corrosion protection.

Other Considerations

To ensure that cable ties are the most effective for an application, it is essential to store them properly. Specifically, manufacturers suggest storing nylon cables in a cool and dry area to prevent the material from disintegrating or oxidizing. Because thin versions of nylon are sensitive to bending, manufacturers also recommend being cautious when applying pressure to the bands, as they may become misshapen. Additionally, consult with individual companies to confirm whether cable ties are CE and RoHS compliant.

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