1.Tri-diameter Paper-transporting Cylinder 2.Pneumatically Controlled Clutch 3.Easy operation and low maintenance.

Main Parameters for DH452 four color offset press 

Maximum size of paper	520*365mm
Minimum size of paper	257*182mm
Maximum printing area	505*350mm
Thickness	0.04--0.4mm
Paper- feeding mode	Continuous paper feeding
Paper- feeding board capacity	500mm
Paper -delivering board capacity	420mm
Dampening system	Continuous water feeding device
Printing plate size	510*400*0.15mm
Number of ink rollers	16 rollers (include 3 forme roller )
Rubber blanket	510*452*1.90mm (belt metal jig)
Printing speed	3000--12000pages /Hour
Main power	Main engine: 5.5Kw/Air pump: 1.5Kw/Air compressor: 0.75Kw
Power source	380V 50/60Hz 45A
Physical size	3655 (long) *1995 (width) *1650 mm
Machine weight	7200Kg

Application object: Suitable for large and medium-size printing company, and advertisement production and publicity Paper used: Thickness: 0.04-0.4mm run short and high-qualified color printingMain characteristics: Main Characteristics: 1.Printing speed: 3000-12000ps/h 2.Accurate register 3.Excellent printing quality 4.Its structure was designed reasonably and each four-color sheet can be finished by seven transfers. 5.Stable performance 6.The press can be operated highly automatically, such as plate-mounting automatically, machintosh-washing automatically, and ink supply controlled remotely.

Continuous Water- Feeding Device:DH452’s continuous dampening system is equipped with cooling water circulation device which ensures there always will be water film on the plates, even if no ethyl alcohol supplied. Such kind of device can meet high-qualified printing.  Continuous Paper- Feeding Device: Adopt the newest designed, small type continuous paper- feeding device Pneumatically Controlled Clutch Structure:The cylinders and the forme rollers are controlled pneumatically, which not only simplifies the clutch structure but aslo 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

Four Color offset press/printing machine for Sixmo paper-DH452