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Subject: ABB S3 Through the Arc Seam Tracking

Date: 02/17/03 at 8:09 AM
Posted by: Brad Harvey
E-mail: bradjharvey@mchsi.com
Message Posted:

A colleague of mine is having problems with seam tracking on his ABB system while going around a tight radius. The part being welded is shaped similar to a foodtball, with the ends having a tight radius. He has a S3 controller, which I am no familiar with and thus cannot offer any advice, so I am asking you for yours.

Here is all relevant info:

Welding on 316L material using the FCAW process w/ straight CO2
Part is welded in the flat position
Using Weld Guide only on cap pass
Software M93/11
S3 controller
Weld Guide #2
With seam tracking turned off the torch does not hit the part

Does anything jump out at you?? Any advise/suggestions would be appreciated

Start Data
Ignition voltage difference = -2.0V
Ignition current difference = -50.0A
Gas preflow = 1.0sec
Hot voltage difference = -2
Hot start time = 0sec
Re strike amplitude = 0
Re strike crosstime = 0
Arc weld start time (max) = 2.0sec

Main Data
Volts = 28V
Amps = 265A
Travel = 6.2mm/sec

Weave Data
Type = zig zag
Amplitude = 4.0mm
Crosstime = 0.15sec
Dwell L = 0.10sec
Dwell R = 0.10sec
Forward bias = 0.0mm
Waeve anlge = 90deg
Perpendicular = yes

Sensor Data
Side correct # = 2
Side bias = 50%
Height correct # = 3
S correct angle = 0deg

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