Cincinnati 230 CB - Operating the Cincinnati Hydraulic Press Brake; Standard Controls Overview; Palmbutton Operator Station

SECTION 4
Before starting your Press Brake the following controls and
their functions should be thoroughly understood.
STANDARD CONTROLS
MAIN CONSOLE (FIGURE 8)
STROKE CONTROL Switch: This is a two position (nON" -
"OFF") key selector operator controL When in the "OFF"
position the ram cannot be stroked.
GROUND CONNECTED Light:- When illuminated this light
indicates that the low voltage A. C. control circuit is
grounded. This is an internal chassis ground - it does not
indicate that the machine is grounded ..
OPERATION Switch: This is a two position (flRESET" -
"ON") key selector supervisory control. The normal
position of this switch is in the "ON
tt
position.. Whenever a
power loss has occurred-~he switch must be turned to the
"RESET" position and then to the "ON" position before the
main drive motor can be energized.
READY Light: When this light is illuminated it indicates
that the operation control has been reset and the main
drive motor can be energized by depressing the START
button ..
MAIN DRIVE START Button: This is a guarded
pushbutton which is depressed to energize the main drive
motor. When illuminated the main drive motor is energized.
MAIN DRIVE - STOP Button: This pushbutton, 'when
depressed, will de-energize the main drive motor.
MODE Selector: This is a three position key selector
supervisory control consisting of:
INCH: This is a set-up mode that can only be
operated by the use of a palmbutton operator's
station. The ram will run when the operator's station
is activated and stop either on the "DOWN" or "UP"
stroke when the station is deactivated. The ram will
automatically stop at top of the stroke. Release the
palmbuttons and depress them again to start another
cycle.
FIGURE 8
10
OPERATION
SINGLE STROKE - NO AUTO RETURN: This is. a
production mode and can be operated by the palm-
button operator's station or the footswitch -operator's
station. Multiple paltnbutton operator's stations or
multiple foots witch operator's stations can be used in
this production mode but a combination of palmbutton
and footswitch operator's stations cannot be used.
The ranl will run when the operator's station is
activated and stop either on the "DOWN" or "UP"
stroke when the station is deactivated. If multiple
operator's stations are in use) all operator's stations
must be deactivated and· then reactivated before the
ram will resume trnOWN" stroking. The ram will
au tomatically stop at the top of the stroke. All
operator's stations must be deactivated and then
reactivated to start another cycle.
SINGLE STROKE - AUTO RETURN: This is a produc-
tion mode that can only be operated by use of the
three position footswitch operator's station. Multiple
footswitch operator's stations can be used in this
production mode. On the "DOWN" or closing stroke,
the ram will continue to run as long as the station or
stations are depressed. Upon releasing the footswitch
to the "CENTER" position, the ram will stop. Upon
releasing the footswitch to the "UP" position) the ram
will return to the top stroke control setting and stop.
After the ram has passed through the bottom stroke
control setting, with the footswitch fully depressed or
completely released to the "UP" position, the ram will
automatically return to the top of the stroke and stop.
Releasing the footswitch to the n CENTER tt position will
stop the ram. All stations must be deactivated and
then reactivated before the ram will start another
cycle~
DOWN STROKE - SPEED Selector: This is a three position
key selector supervisor) control. The machine is provided
with three "DOWN" or closing speeds (HIGH, PvlEDIUM and
LOW). A combination of any two of. the three· speeds can
be made with this selector. (NOTE: Full tonnage is
available in MEDIUM or LOW speed and approximately 45% of
maximum tonnage is available in HIGH speed.)
DOWN STROKE - STROKE STOP Switch: This is a two
position ("ON"-
If
OFF
lt
) key. selector supervisory control.
With the STROKE STOP in the "ON
n
position the ram will
descend when the operator's station is activated,
automatically stopping at a preselected height above the
bottom of the stroke. The operator's station must be
deactivated and reactivated to complete the ram cycle.
PALMBUTTON OPERATOR StATION (FIGURE 9)
FIGURE 9