Cincinnati 175 CB - Page 13

Two guarded palmbuttons, which must be depressed about
the same time, are provided to activate the ram in either
the "INCHttor "SINGLE STROKE - NO AUTO RETURN"
modes. Releasing either palmbutton will stop the ram.
Both buttons Inust be released and redepressed to restart
ram motion.
EMERGENCY STOP Button: Depressing this push-
button deactivates the main drive motor.
RAM UP Button: This pushbutton, when depressed,
will cause the ram to go up regardless of the motion,
position or previous direction of the ram. The ram
will stop when the button is released or when the top
stop position is reached.
RAM UP -. RAM DOWN Directional Lights: These lights
indicate the direction of motion ( green - UP or
red-DOWN) that the ram is moving or will· move should
an operator station be activated.
OPERATOR STATION Switch: This is a two position
("ONU_HOFF") key selector for activating the palm-
buttons. When in the ttOFF
fJ
position, ram cannot be
cycled by pressing the palm buttons.
STROKE CONTROL CAMS (FIGURE 10)
This control consists of limit switches and mechanically
adjusted cams for controlling the top and bottom ram stroke
limits and speed change point. The bottom stop or lower
reversal point is set by turning hand crank nAft and its
position is indicated by counter nB" and pointer "en. The
counter indicates in inches and thousandths of inches the
distance between the bottom reversal point of ram and the
bed top, minus the closed height of the ram. The top stop
or upper reversal point is set by adjusting cam rod uD"
(with green knob) . The speed change point is set by
adjusting cam rod "En (with yellow knob). The speed
change point is also used for the down stroke stop point
when selected. The .top stop speed change cam· rods are
locked in position by levers "F
n
•
FIGURE· 10
11
FOOTS WITCH (FIGURE 11)
This is a guarded, three position operator control which
activates the ram motion in either the "SINGLE STROKE -
NO AUTO RETURNu or "SINGLE STROKE - AUTO RETURN"
modes.
FIGURE 11
The footswitch is made active by turning ON a keylock
selector. switch. The FOOTSWITCH selector is located in a
small electrical enclosure on front of bed (Figure 12). This
selector can be locked OFF to prevent the ram from being
cycled by the footswitch. The FOOTSWITCH selector must
be OFF when the palmbutton controls are being used. A
red indicator light indicates the switch is turned OFF and
an amber light indicates that it is turned ON.
FIGURE 12
RAM TILT ADJUSTMENT (FIGURE 13)
The leveling control is entirely automatic, maintaining the
ram either parallel to the bed or at a predetermined angle
with respect to the bed. A manual control is provided to
tilt the ram (1/2" maximum) in either direction. The
amount of tilt (registered on a graduated collar and
pointer) is the vertical distance that one end of the ram is
above or below the other end at the points of attachment of
the leveling band.