768Jet Ink Jet Printhead0 pages
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B 256 Channel Printhead
Industrial Piezoelectric Impulse Ink Jet Technology
Design Features
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Dual column multi-orifice configuration of 768 orifices (jets) and 256 controllable
channels to print 4.0” (100 mm) tall patterns in single swath
Effective 64 dpi vertical addressable resolution
Stainless steel isolated ink chamber design
On-head drive electronics with fire pulse generation and thermal management
Repairable / cleanable construction
Compliant chamber for shock resistance
Preliminary Specifications
Number of Jets
768 jets (THREE jets per firing channel)
Firing Channel Spacing
0.396 mm (1/64 inch) center to center
Effective Print Height
100 mm
Vertical Resolution
192 dots per inch
Effective Vertical Resolution Addressable
64 pixels per inch of three dots per pixel
Drop Volume
45 picoliters
Drop Volume Adjustment Range
40 – 50 picoliters
Drop Velocity, nominal
10 m/sec
Crosstalk
Less than 10%
Operating Temperature Range
Room temp. to 70° C (on-board heater and
heater control circuit with safety thermal fuse)
Fluid Viscosity Range (at operating temp.)
5 to 15 cP
Surface Tension
35 +/- 5 dynes
Compatible Jetting Fluids
Aqueous, solvents, oil, UV curable
Operating Jetting Frequency
(all jets firing continuously)
Up to 8 kHz
Size
43 mm x 114 mm x 134 mm without cable
Weight
800 grams
Life
60 billion firings per channel
Head Materials in Direct Contact with Fluid
Stainless Steel, Nickel, Kapton Polyimide,
Silicone Rubber, Viton Tubing, Ryton,
Adhesives
Filter
On-board filter
Mean Power Consumption
15 watts
768Jet SpecSht Oct2004dw.doc 102204
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