Spin Welder User’s Manual
Section 7 – Operational Setup
Page 53
Page 52
Dukane Manual Part Number 403-547-03
Dukane Manual Part Number 403-547-03
CAUTION
The bottom stop should
turn without too much ef-
fort. If the knob is difficult
to turn, check that the bot-
tom stop lock on the side is
loosened (CCW).
Turning the crank clockwise lowers the tooling hub.
Place the parts to be welded in the upper tool nest
and in the lower fixture. Adjust the hand crank to
raise or lower the tool hub to allow sufficient room
for safely loading and unloading the parts.
Stroke Adjustment
Stop Lock
The bottom stop lock (shown in Figure 6–8 and
Figure 7–5) should be turned counterclockwise
to loosen the bottom stop adjustment knob. Once
the final optimum adjustment has been reached for
production, the stop lock should be tightened to
maintain consistency.
Bottom Stop Adjustment
The bottom stop setting determines the stroke. Fig-
ure 7–5 shows the bottom stop adjusted for a stroke
of four inches. Turning the knob counterclockwise
will cause the flag to rise on the scale which will
increase the stroke. Clockwise rotation lowers the
flag which results in a shorter stroke.
Adjust the bottom stop to slightly less than the de-
sired stroke. Press the Emergency OFF button. The
hub should lower until it reaches the bottom stop
setting. Make any final adjustments in the lower
fixture centering to align it with the upper tool nest.
Measure the remaining stroke needed to bring the
upper tool to the correct finished weld height.
Reset the Emergency OFF switch so the upper hub
rises. Turn the bottom stop adjustment counterclock-
wise the appropriate amount to achieve the correct
finished weld height. The threaded rod attached to
the flag has 18 turns per inch, so one turn is 0.0556”
(1.41mm). Typical weld depths for spin welding are
about 0.030” (0.75mm). If you have a welded part,
or if the tooling fixtures make contact, adjust the
bottom stop an extra turn to achieve more than the
desired stroke.
Figure 7–5
Setting the Stroke Distance With the
Bottom Stop Adjustment
