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Continuous Water- Feeding Device
DH456’s continuous dampening system is equipped with cooling water circulation device which ensures there will always be water film on the plates, even if no ethyl alcohol supplied. Such kind of device can meet the requirements of high-qualified printing.
Continuous Paper-Feeding Device
Adopt the newest designed, small type continuous paper-feeding device.
Pneumatically Controlled Clutch Mechanism
The cylinders and the forme roller clutch are controlled pneumatically, which not only simplifies the clutch mechanism but also improves the durability of the whole machine.
Tri-diameter Paper-transporting Cylinder
Double-diameter pressing cylinder, tri-diameter paper-transporting cylinder and the main precisely assembled drive system guarantee the printing quality and accurate register.
DH456 Technical Parameters | |
Maximum paper size | 560×400mm |
Minimum paper size | 257×182mm |
Maximum printing area | 540×375mm |
Thickness | 0.04--0.4mm |
Paper-feeding mode | Continuous paper feeding |
Paper- feeding board capacity | 420mm |
Paper -delivering board capacity | 500mm |
Dampening system | Continuous lubrication |
Number of ink rollers | 16 rollers (including 3 forme rollers) |
Printing speed | 3,000---12,000 pages/hour |
Main power | 7.5KW |
Power source | Three-phase 380V/400V 50/60Hz |
Overall dimension | 4,054(length)×2,225(width)×1,650(height)mm |
Weight | 8,000kg |
456 Four-color offset printing machine