Knowledge in Factory automation

Joining technology for Blind rivet nut setting

The blind rivet nuts are fed as bulk material of a feed unit with vibrating helical conveyors and are provided bearing-bearing. The separated blind rivet nut is transported pneumatically through a delivery hose into the loading head of the setting tool. There, the nut falls into the loading head, which is moved under the pulling tool. The drawing tool, which moves in a support sleeve, is then lowered onto the blind rivet. Then, the winding operation starts, in which the drawing tool is rotated by the servomotor and at the same time is pushed downwards by the screwdriver stroke as a feed, so that it screws into the shank of the blind rivet nut. Through the monitoring of the torque, the smooth running of the thread is checked at the same time. When the screwing depth and the cut-off torque are reached, the turning and feeding movement of the drawing tool stops. The charging head is then mo...

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