Welding Wire/Tool Centre point locator for robots
An
Oxford Sensor Technology product story
Edited by the Engineeringtalk editorial team
Jan 23, 2001
Oxford Sensor Technology has launched an off the shelf solution for the problem of robot-welding systems not correcting for the discrepancy between the actual and theoretical welding wire position
Contact tip wear, torch distortion and the non-repeatability of torch changers all affect the position of the welding wire and resultant weld bead.
Despite these known causes of error very few robot-welding systems correct for the discrepancy between the actual and theoretical welding wire position.
Oxford Sensor Technology has launched an 'off the shelf' solution to this problem.
The welding wire and tool centre point locator (Wire Finder) has an aperture into which the wire is placed at the start of each welding sequence.
The position of the wire is automatically measured and feed back to the robot controller allowing corrections to be made.
Outputs to the robot controller are either digital or analogue, rather than manufacture specific serial protocols, allowing the unit to be used on any robot with the necessary I/O capability and the unit has been design for installation by the user rather than system integrators.
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