48
11.2 General functions
FUNCTIONS
WHAT & WHY
SUGGESTION
Minimum setting is 80 µs
Maximum setting is 1999 µs
Depend on viscosity start at about 300 µs
Rise time can also affect the accumulation or satelliting
Low viscosity material open time can be short 1-300 µs
Med viscosity material open time can be 200-1000 µs
High viscosity material open time can be 500-2500 µs
Smaller the shot smaller the open time
Bigger the shot larger the open time
minimize the open time to keep the shot as clean as possible
Minimum setting is 80 µs (smaller the value stronger the
punch/jetting)
Maximum setting is 1999 µs (larger the value slower the
punch/jetting)
Higher viscosity required stronger punch/jetting setting
Fall time can also affect the accumulation or satelliting
Slow down the fall time to reduce satelliting
Increase the fall to reduce accumulation
More important in the Line Mode
Important in Dot Mode if there are multiple pulses in one dot
(number of pulse in a certain time)
Single pulse/dot jetting delay time is not important since to
robot movement will take a longer time
The shorter the delay the closer the dots as it try to connect
the dots to form a line
The longer the delay the further the dots as it try to connect
the dots to form a line (it may not form solid line)
Higher lift for stronger punch/jet
The vale is more stable with lift higher than 40%
Higher lift will produce more volume (depending on open
time as well)
Lower lift will produce less volume (depending on open time
as well)
Higher lift and shorter fall time may be necessary for
dispense high viscosity material as well as stringy material
(Heater may help in bringing down the lift and fall time)
Dot Mode this can be set from 1 to 9999999 pulses
Line Mode it is not adjustable (default to pre set value)
One dot can be an accumulation of multiple pulses (e.g. one
dot can be 1 pulse or 20 pulses)
Multiple pulses can be use to increase the size of the dot or
use a larger diameter nozzle
Help stablize a process
Help lower the viscosity of a material for better flow
Help to reduce the stringiness of a material for better jetting
Consult w/ the material Mfg to prevent over heating of
material, we are not responsible for harden material in the
manifold and nozzle
LIFT
Percentage tappet lift
from fully closed to open
PULSE
A number of shots
HEATER
Heater on the manifold
OPEN
Time to allow material
to fill the cavity and
jetting out
FALL
Time to jet out the fluid
DELAY
Time between pulses
Time to lift the tappet
from fully closed to open
RISE
