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One Stop Solution Manufacturer for all kind of Stamping Products and CNC lathed products.

Caractéristiques du tendeur de boulon

Le tendeur de boulon utilise une tension pure pour étendre directement le boulon, sans cisaillement de torsion ni force latérale, et sans dommage par friction sur la surface de contact de la connexion. C'est la meilleure méthode pour contrôler avec précision la force de pré-serrage des boulons. (Guide : Calcul et tolérance du petit diamètre du filetage interne)

Par rapport aux clés dynamométriques hydrauliques, les tendeurs de boulons présentent les avantages d'une réponse rapide, d'une précision, d'une absence de contrainte de torsion, d'aucun dommage par friction et d'un pré-serrage simultané de plusieurs boulons ; par conséquent, les tendeurs de boulons nécessitent une force de pré-serrage plus importante. Les occasions strictes sont plus largement utilisées. L'inconvénient est qu'il nécessite un allongement suffisant, il est donc fortement limité dans les applications où l'espace axial est étroit.

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Dongguan Fortuna was established in 2003. It has a factory area of 16,000 square meters and 260 employees. It is a production enterprise specializing in precision metal stamping parts, precision CNC processing, injection molding and product assembly.
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