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Dukane Manual Part No. 403-570-01
Page 39
Section 5 - Touch Screen Menus
changes the display to the screen shown in Figure 5-
22. The MODE switch species if the Hold phase will
be controlled by traveling a specied Distance or for a
specied amount of Time.
With Distance MODE selected as shown in Figure 5-
22, the parameters for Hold motion are specied in the
elds on the right and are divided into two sections:
DYNAMIC and STATIC. During the Hold, the press will
rst complete the DYNAMIC phase, then the STATIC
phase. In the DYNAMIC phase, the press moves
vertically at the speed specied in
Speed (mm/s)
to
a distance specied in
Collapse (mm)
. In the STATIC
phase, the press will maintain its position for the time
specied in
Dwell Time(s)
. It is possible to bypass either
the DYNAMIC or STATIC phases by programming a 0
collapse distance or a 0 dwell time, respectively.
With Time
MODE
selected as shown in Figure 5-23,
the parameters for specifying the hold time are vertical
speed in Speed (mm/s), the motion duration in Move
Time (s), and time for maintaining the nal position in
Dwell Time (s). In addition, the Constant Thrust option
is available in the Time
MODE
, in which the press
travels down until reaching a specied vertical thrust
(i.e. compression force). To enable this option, press
the Constant Thrust button. The relationship between
the vertical torque and vertical speed is illustrated in
Figure 5-24. The press will adjust vertical speed as a
response to the measured vertical thrust along the lines
on the graph. The Thrust Target is the desired vertical
thrust, which is entered into the Thrust (%) eld on the
screen. The Max. Speed is the maximum allowable
vertical speed, which will occur if the measured thrust
is 0. This value is entered in the
Speed (mm/s)
eld in
the
DYNAMIC
section.
Figure 5–22 Hold Setup Screen for Distance MODE
Figure 5–23 Hold Setup Screen for Time MODE
Figure 5–24 Graph of Vertical Speed vs. Vertical
Torque for Constant Thrust Option