Spaenaur Catalog 14 - Digital Flipping Catalog

P : 1-800-265-8772 F : 1-888-252-6380 service@spaenaur.com © 2018 Spaenaur Inc. All rights reserved. Catalog may not be reproduced, in whole or in part, without the written permission of Spaenaur Inc. Subject to Catalog Terms and Conditions of Use available at Spaenaur.com and on page TC2 and TC3 at the back of this catalog. © 2018 Spaenaur Inc. Tous droits réservés. Le catalogue ne peut être reproduit, en tout ou en partie, sans l’autorisation écrite de Spaenaur Inc. L’utilisation est soumise aux Conditions d’utilisation du Catalogue disponibles sur Spaenaur.com et à la page TC4 et TC5 à la fin de ce catalogue. D CATALOG 14.04 2019/08/08 REUSABLE WEDGE LOCKING WASHERS How Does It Work? TEC Series washers secure joints using tension rather than friction, as with traditional locking fasteners. TEC washers consist of a pair of washers with cams on one side and radial teeth on the other. The cam sides are joined together with a mild adhesive, and installed between the bolt head and/or nut and the joint material. During installation, the radial teeth cause one half of the washer to be seated to the bolt or nut, while the other half is seated to the joint material. Because the cam angle (α) of the washers is greater than the thread pitch angle (β) of the bolt, a wedge effect is created by the cams, preventing the bolt or nut from rotating loose. Clamp load is maintained and the joint remains secure. Features and Benefits • Maintains clamp load in high vibration and load applications, thereby protecting the security of the joint • Heavy duty, self-locking design • For use with bolts up to Class 12.9, Grade 8 • Provided in preassembled glued pairs • Easy to install and remove with standard tools • No retightening needed after installation • Reusable - will not distort threads on bolt • Vibration proof according to MIL-STD-1312-7/DIN 25201 • Lubrication does not impair the locking function of the washer • Can be used reliably for joints with short clamp length • Secures joints with high and low preloads Installation • To install the TEC Series washer, place the preassembled pair between the nut and/or bolt and the joint material. • As the nut or bolt is tightened, one half of the washer pair will be seated to the joint material and the other half will be seated to the nut or bolt. • Tighten with standard tools. Retightening is not needed. • The use of lubricants is highly recommended when installing TEC Series washers. A high-quality lubricant designed to prevent seizing will reduce friction during installation and improve the consistency of clamp load in joints. • When installing TEC Series washers in a common application, expect an increase in required torque over recommended installation torque to achieve proper clamp load and maximum joint safety. See Torque Guidelines for more information. Removal and Reuse Removing TEC Series washers requires no special tools or procedure. Simply loosen the joint in the normal method and check the washer to ensure cam faces disengage. While TEC Series washers are typically reusable, washers should always be inspected for deformation or excessive wear before reuse. If washers appear deformed or heavily worn, discard and use a new pair. Continued... ) α ) β α > β Sherex Fastening Solutions is a registered trademark and TEC Series is a trademark of Sherex Fastening Solutions, LLC. Inch Wedge Lockwashers Pouce Rondelles de sécurité D38.1 NEW

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