Dr. Livingstone, I Presume WELDWISE 2400 User Manual

Page 73

0433-INS-400

Rev.

6-27

• Segment Line

When a master is originally created, a weld is divided into three segments. More segments can be
added if desired in the Tolerancing Master screen. Segment lines are placed at the beginning of
each segment, with the exception of segment 0. The initial size of these segments can be set in the
General Setup screen.

Segment 0: (Pre-weld): The pre-weld is the segment before current flows through the part. Current

and Voltage data are zero, but tolerances can be placed on force and thickness before
current flow begins.

Segment 1: (Weld segment): Tolerances are placed on all parameters during weld current flow.

The first segment line marks the beginning of current flow and cannot be deleted or
moved.

Segment 2: (Post weld): The post weld is the segment after current flow stops. Tolerances can be

placed on force and thickness after current flow.

• Add Segment Line

Move the cursor to a section of the weld other
than the pre-weld segment, and use the Down
Arrow Key to add a segment line. The new
segment line will divide the existing segment
into two at the location of the cursor. The new
segments will have the same tolerance limits,
which can then be adjusted separately. Use the
Update button to record any segment line or
tolerancing changes.

In figure 6-42, a segment line was added in the
middle of segment 1. Segment 1 was divided in
two to become segment 1 and segment 2. There
are now four segments total:
Segment 0: Pre-Weld

Segment 1: Beginning of weld
Segment 2: Remainder of weld

Segment 3: Post-Weld

In figure 6-43, the tolerance limits for Current
Rms in segment 2 were changed from +/- 5 KA
to +/-3 KA relative to the master. The limits for
segment 1 are still +/- 5 KA. Refer to Chapter 9,
FAQ for further information about tolerancing.

Figure 6-42 A new segment line was added to this
master. Tolerance limits are the same for the each
segment.

Figure 6-43 New tolerance limits were assigned to the
segment that was added and the master was updated.