Adjusting The Pressure - Hitachi UX Twin-Nozzle Technical Manual

6.9 Adjusting the pressure

● Check the pressure before printing state check at the start of operation.
● Do not perform this operation in the Stop state. Perform it in the state in which ink is ejected.
Open the Operation management screen.
1
(a) New HMI
Operation management
Ink Operating Time
0
h
Ink/Makeup
10６ ７K/S100A
Deflection Voltage
5.7
kV
5.7
Ambient Temperature
（Correct Range ： 0-45）
20
℃
Print Count
0
HOME OPEN SAVE
Check the displayed ink pressure value of nozzle 1. If there is a difference of
2
0.010 or more from the standard value, adjust the pressure to the standard
value ±0.002 with a flat-blade screwdriver.
2018.07.07 12:45
× STOP OFFLINE
Ink Alarm Time
Cumulative Op.Time
（Standard Value ： 1200）
1,200
h
Ink Pressure （Standard Value ： 0.255）
Ink Viscosity
（Standard Value ： 100）
0.255
100
0.255
Excitation V-ref （ Range ： 0-19） Excitation Frequency
9
68.9
9
Calibrate touch
screen coordinates
ADJUST EDIT SETTINGS
To raise the pressure : rotate clockwise.
To lower the pressure : rotate counterclockwise.
(b) Previous HMI
Operation management
0
h Ink operating time
Ink alarm time
Cumulative op. time
MPa
Print count ０００００００００
Ink, makeup
Ink viscosity
kHz
Ink pressure (Nozzle2) ０ ．２５５(MPa; standard value: ０ ．２５５)
(Nozzle1) ０ ．２５５(MPa)
Ambient temperature
Deflection voltage (Nozzle2)
(Nozzle1)
Excitation V-ref. (Nozzle2)
(Nozzle1)
Excitation frequency
LOGIN
[Ready ]
Com=0
Makeup
００００ (hours)
１２００
(hours; standard value: 1200)
００００００
００１２００ (hours)
(prints)
１０６７Ｋ, Ｓ１００Ａ
１００ (standard value:100)
２０(℃; range: ５〜４０)
５. ７ (kV)
５. ７ (kV)
１１ (0〜19)
１１ (0〜19)
６８. ９ (kHz)
Pressure adjusting screw
●Adjusting the pressure 6-28
2018.07.07 12:45
Ink
Manual Shutdown
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