Dukane DPC II Plus 9001:2000 - Manual (Page 120)

110
Dukane Manual Part No. 403–566–01
DPC ™ II Plus and EZ Welder System – User’s Manual
moving the horn from the booster or the
booster from the probe.
6. Thread the components together and tighten
to the following torque specifications using
only the correct size wrenches. Use spanner
wrenches on components with spanner wrench
holes or an open end wrench on components
with wrench flats. See Figure 10–4 for the cor-
rect procedure. Refer to Table 10—II for torque
units conversions. Be careful not overtighten.
• 40kHz Stacks - 130 inch-lbs
• 20kHz Stacks - 200 inch-lbs
inch–lbs ft–lbs N–m
130 10.8 14.7
200 16.7 22.6
5 10 15 20 25 30
5
10
15
20
ft-lbs
N-m
0
in-lbs
60
120
180
240
8mm Stud
1 /
2
x 20 Stud
20kHz Stack
40kHz Stack
3 /
8
x 24 Stud
200
130
160
70
100
Table 10— II Horn/Booster Torque Unit
Conversions
Figure 10–5 Torque Value Conversion Graph
NOTE
Horn and booster torque specifications are
higher than stud torque specs. Be sure to
tighten the horn or booster joints to the higher
torque limits.
Do not tighten the studs to these higher rat-
ings as it may induce unnecessary stress in the
assembly.