Control Definition
2-4 HP6A Manual
Note: The display needs a minimum of two strokes to display an accurate count. This display has
the same operation in all modes of operation.
Rough/Finish Load Display:
This display shows the set Rough and Finish loads the machine will operate at when running an
automatic cycle. These values are changeable by pressing the “Inc” and “Dec” buttons on the front
control panel. The Rough Load can be changed at any time by pressing these buttons. The Finish Load
can only be changed when the feed ring activates the Finish sensor. The Finish sensor is located in the
back of the gearbox.
When in Plateau Mode operation this display will show number of strokes to count down from, after the
target load is reached.
Coolant Push Button:
This button turns on and off the coolant pump motor. If coolant is flowing and the Rocker Arm goes into
the park position the coolant flow will stop and the light on the button will go off.
The lever on the left-hand side of the main carriage regulates the amount of coolant flow.
Manual Feed Button:
This button has two modes of operation, one in Standard mode and one in program mode.
Standard Operation:
Pressing this button will feed the hone stones out manually. One press of this button will feed the stones
out .001” on the Standard, Junior and Minor hone heads. It will feed out .0003” on any of the Precision
hone heads.
Programming Mode:
Refer to the Control Program section in this manual for this buttons function in the programming mode.
Auto Feed Button:
This button has two modes of operation. One in Standard mode and one in program mode.
Standard Operation:
Pressing this button will start the Auto Cycle of the machine. When an Auto Cycle is started, the control
will start the Spindle, Stroke, Coolant and Feed controls. The cycle will continue until the finish
parameters are reached. For description of Auto Cycle operating parameter refer to the Description of
Operation earlier in this section. Pressing the Auto Cycle button once the cycle has begun will cause all
functions of the machine to be shut off. Spindle Stop button will also shut off all operations of the
machine if pressed while an Auto Cycle is running.
Programming Mode:
Refer to the programming section in this manual for this buttons function in the programming mode.
Control Program:
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