- 类型:轴向型
- 产地:China
- 材质:不锈钢
- 品牌:No brand
- 连接方式:焊接
- 特殊功能:耐高压
- 外形分类:波纹补偿器
braiding around metal hoses
to increase pressure resistance, metal hoses can be equipped with one- or two-layer braiding. the braiding is firmly connected to the hose fittings on both sides to absorb the longitudinal forces caused by internal pressure. due to its inherent flexibility, the braid moulds itself perfectly to the movement of the hose. hose braiding consists of right- and left-handed wrapped wire bundles that are alternately layered one over the other. this not only prevents hose lengthening due to internal pressure, but also absorbs external tensile forces and protects the outside of the hose.
the basic material of the wire braid is usually the same as that of the corrugated hose. it is also possible to select different materials in the interest of greater corrosion resistance or for economic considerations.
the braiding also greatly increases the resistance of the hose to internal pressure. the braid flexibly moulds itself to the movement of the hose. this applies even if a second braiding is used, which further increases pressure resistance. the method by which the braiding is attached to the connection fittings depends on the type of fitting and the demands on the hose. under rough operating conditions, an additional round wire coil can be wound over the braid or the braid can be sheathed in a protective hose.
functional principle of the metal braid
wire braiding functions on the lazy tongs principle. when axial tension is applied to the hose, the braid reaches its extension limit. this means that the wires lie tightly spaced with the smallest crossing angle, creating a hose braiding of the smallest possible diameter and the largest possible length. when the hose is axially compressed, the crossing angle and diameter increase to maximum values.
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郑州好乐贸易有限公司
黄卫
13203703100
李家门1101