Description

MH5440/mh5420 printhead for RICHO GEN5 could be widely used in manufacturing colored glass for household panels, digital printing wood floor, ceiling, digital printing furniture, mobile pc case and leather. As the same time, our product apply in some personalized processing field such as advertisement, building material, wedding photography studio , wall decoration and so on, it is used successful as well.

Spectification

Size: 89 x 25 x 69 mm excluding cable and connectors

Head materials: SST, Nickel alloy and epoxy adhesive, direct contact with ink
Compatible jetting fluids: Compatible with water, solvent, oil, UV curable inks
Nozzle plate surface: Coated SST
Number of nozzles: 4 x 320 channels
Nozzle spacing:
A: Within a single row: 0.1693 mm (1/150″)
B: Within a color: 0.0847 mm (1/300″)
C: Single Pass: 0.0423 mm (1/600″)
D: Row to row distance: 0.55 mm
E: Color to color: 11.811 mm
Inkjet inlet port: 2 x dual ports
Piezo type: D33 staked PZT
Drop ejection mode: Piston pusher with metallic diaphragm plate
Integrated electronics: Low voltage serial to high voltage parallel converter; 3-bit shift resistors; transmission gate outputs
Temperature control: Integrated heater and thermistor
Viscosity: 11 cP at operating temperature
Surface tension: 32 dynes/cm
Native drop volume: 7 picoliter
Drop volume range/variation: 7-35 picoliter with grey scale +- 10%
Drop velocity nominal/variation: 7 m/sec/ +-15%
Crosstalk: 10% or less with all channels firing
Jet straightness 1 sigma: < 3.5 milliradian from nozzle radian
Native drop operation frequency: 60kHz Higher burst possible under ideal condition
Life: 100 billion actuation’s per nozzle