41
The size of the stream can be set to an exact amount or volume. We achieve this exact
stream and volume by using a highly accurate fluid metering pump. This pump, running at a
constant speed, gives absolute positive displacement of the conditioner. The accuracy of
the pump is
1% with a continued precision of
0.5% after millions of cycles. This is the
same pump used in hospital medication dispensers.
The oil head traveling at a constant speed puts down the same amount of oil as it travels
across each board. The pump allows us to set the exact amount of conditioner that goes on
each and every board within the stream. We measure this amount as the Volume per Board.
The pump output is measured in
microliters
. This is a metric measurement for fluid volume.
The factory setting for the pump is 50 microliters per board.
To give you a visual perspective of how much conditioner is being applied in 50 microliters,
consider that about 20 microliters make up one drop of oil. So each time a stream of oil
crosses one board it applies almost 2-1/2 drops of conditioner.
Since this amount of conditioner is too small to measure with the naked eye, we must use a
larger number of boards to get an amount we can visibly measure. Factory-set PATTERN
#31 is designed to condition 400 boards. This will give us enough conditioner to determine
the amount that is being applied per board. Using a large round number makes the math a
little easier to figure.
Calibrating the Oil Pump
Turn the machine on and go to the main menu and press
TEST OIL CLEANER PUMP VOLUME and the screen will
change to the display on the right.
Press OIL PUMP CALIBRATION AND ADJUSTMENT and the
screen will change to the password screen if enabled, enter
password and press CONTINUE.
Summary of Contents for FLEX 17-5801
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