PROCESS MONITORING METHOD FOR MONITORING THE JOINING OF AT LEAST TWO WORKPIECES BY MEANS OF A SELF-PIERCING RIVETING DEVICE HAVING A JOINING GUN, AND DEVICE HAVING A CONTROL UNIT DESIGNED TO CARRY OUT SUCH A METHOD

PROCESS MONITORING METHOD FOR MONITORING THE JOINING OF AT LEAST TWO WORKPIECES BY MEANS OF A SELF-PIERCING RIVETING DEVICE HAVING A JOINING GUN, AND DEVICE HAVING A CONTROL UNIT DESIGNED TO CARRY OUT SUCH A METHOD

A process monitoring method for monitoring the joining of at least two workpieces by means of a self-piercing riveting device having a joining gun including a) a total sheet metal thickness, a rivet length and a bending constant of the joining gun are detected for a plurality of joining operations f...

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Hauptverfasser: SOLLNER, Juergen, WALTHER, Ulrich
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
FORGE FURNACES
FORGING
HAMMERING
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PRESSING METAL
PUNCHING METAL
RIVETING
TRANSPORTING
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creator SOLLNER, Juergen
WALTHER, Ulrich
description A process monitoring method for monitoring the joining of at least two workpieces by means of a self-piercing riveting device having a joining gun including a) a total sheet metal thickness, a rivet length and a bending constant of the joining gun are detected for a plurality of joining operations for each operation before joining; b) a punch path for a certain force, an end force, a path end value for the end force, a setting path of the rivet, and a rivet head end position are detected for the plurality of joining operations; c) a force/path window for the joining operations is determined; and d) a determined force/path window of one additional joining operation is compared to the force/path window of the joining operations determined in step c), and the additional joining operation is monitored so that any joining-related defects are identified.
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language eng ; fre ; ger
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subjects FORGE FURNACES
FORGING
HAMMERING
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PRESSING METAL
PUNCHING METAL
RIVETING
TRANSPORTING
title PROCESS MONITORING METHOD FOR MONITORING THE JOINING OF AT LEAST TWO WORKPIECES BY MEANS OF A SELF-PIERCING RIVETING DEVICE HAVING A JOINING GUN, AND DEVICE HAVING A CONTROL UNIT DESIGNED TO CARRY OUT SUCH A METHOD
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