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Follow the development and selection of fittings

DATE: 2011-08-26 | SOURCE: HOPE | Click:

Connecting fittings bear the current in the grid connection and diversion effect, the material is usually copper, aluminum or copper-aluminum transition, with the wire connections are press-fit, bolt-type and wedge pressure type and so on. The following types of products for the common and the latest products to do analysis and presentation. A continuation of crimp-style fittings have a reliable electrical contact, a large flow capacity, etc., but there need crimping tool construction, and other shortcomings are not removable, generally used for substation or high voltage lines. B bolt type fittings easy installation, removable, but there are loose bolts caused the accident may require regular maintenance. Conventional bolt-type connecting fittings and groove clamp is used, the scope of its application leads a small, mainly used for connecting the jumper; then there's span and groove clamp, wire a large range of its application, particularly suitable for distribution network to teach the main line and branch line connecting the smaller, optional insulation cover; in recent years, the torque M clip appears, is in expansion and contraction and prevent loose bolts made some improvements in performance to a certain improvement. Transition in the copper and aluminum using the traditional method is to flash welding or friction welding, high energy consumption is also a waste of production materials, and the new brazing process using its products at lower resistance, strength and more reliable. C-type splice wedge pressure fittings are generally C-shell and trapezoidal wedge form, with the continuation of its reliable, low resistance, maintenance, etc.; to AMP clamp represented, but the installation tool of use of guns and bullets Installation personnel are higher, and now the installation of multi-use hydraulic tools, the use of similar products or bolts fastening the first struck with a hammer and then tighten screws products. D latest follow-pressure side with a generally C-gold shell and a pair of picture-in wedge, and fastening bolt, it has easy installation, connecting reliable, maintenance-free, etc.; such as creating pass clip, Xin Zhong- clamp or the like. Guli Development Corporation to use the principle of Archimedes spiral capture a picture of a large wedge between the resistance of the shortcomings, and the C-shell structure with a bow, to truly achieve a maintenance-free characteristics, has developed a solid force hair clip, hair equipment, clamp solid edge, solid edge hold strongyloidiasis clip hair products, and received a national invention patent.

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