FLORA LJ3208P - Page 27

Flora Digital Printing System
Model LJ320P
Copyright 2011@ Shenzhen Runtianzhi Image Technology Co.,Ltd. By Victor Xu
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4.4.2.2 Pinch Roller & Printing platform
Pinch rollers are used to press the media against the knurl-rollers. It used to hold (grip)
the media while on y-axis movement (stepping operation). It helps keep the media from slipping
during printing. The printing platform keeps the media flat by the use of suction mechanism in
which the suction fans can be switched on/off by the operator. The printing platform is equipped
with a set of heaters and can be heated up by turning on the heater controller with the desired
temperature level.
Servomotor 150W
PN: 141-0509-000
Fig. 4.4.2.1-1: Servo Driver & Motor
Servo Driver DCS810
PN: 141-0510-000
Step and
Direction
Signal
Encoder
Feedback
Signal
36VDC Power Suppl
y
Servomotor
Power Signal
Vacuum Suction Fan
(141-0092-010)
Tension Sprin
g
Tensionin
g
Screws
Fig. 4.4.2.2-2: Adjustment of
Pinch Roller Pressure
Fig. 4.4.2.2-1: Array of Pinch Rollers
Roll Media
X-axis
Beam
Hold Down
Shaft
Printin
g
Platform
Y
-axis Shaft
Heat Belt
(141-0484-000)
Pinch Roller Lever
Fig. 4.4.2.2-3: Printing Platform Chamber and Suction Fan
Vacuum Chamber
Heaters are
glued on this
area
This fan is installed
below the vacuum
Chamber