Bucking Bar Tool

The tool used to form an upset head while using a pneumatic rivet gun is a bucking bar. Bucking bars are made in various shapes, sizes and weights. The weight of the bucking bar must be proportional to the size of the rivet.

To obtain a proper upset head, a good technique to use is shown in Figure 1.17.1. As the gun is firing,press the bucking bar firmly against the forming rivet shank and roll the bar slightly. This rolling action will aid in the formation of a barrel-shaped bucktail. If the bucking bar is too light for the size of rivet and gun, the metal will bend toward the bucktail. If the bucking bar is not held firmly against the rivet shank,the metal will bend away from the gun.

Tungsten Bucking Bar Manufacturer & Supplier: Chinatungsten Online - http://www.buckingbar.cn
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
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