Two Colors Offset Press Printer

Product Specifications

Prod Model:	YH-256II-NP
Markets:	North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Print Size:	550*375mm
Type:	Web High Speed offset Press
Printing Paper Size:	Blank Folding Machine
Printing Color:	Double-Color Machine
Printing Speed:	8000
Motor Power (',KM/HP):	4.5/6.0

Product Description

PROFILE OF YH-247IINP/ YH-256IINP DOUBLE COLOR OFFSET PRESS
1. Easy operation: The machine adopts pneumatic clutch supported by air pump. The touch screen let operation very easy.
2. Exact registration: Front paper stopper of registration, both side-pulled-paper stopper, paper feeding horizontal registration, paper feeding table slight adjustment, plate cylinder registration of up/down.
3. Quick plate registeration: The plate can be moved axially, which make registration convenient.
4. Dampening and inking separated: Dampening system is separated from inking system, which can adjust dampening and inking flexibly and content the requirement of different printing items for dampening and ink. This is good for multicolor printing.
5. Presetted counter: This machine adopts electromagnetic presetted counter. If the quantited printing work finishes, the paper feeding stops automatically.
6. Double sheets detection: It can avoid the problem such as double sheets, paper overlap and non-stop.
7. The whole machine is controlled by PLC. There are functions such as auto press, auto stop while paper jam, powder jet, step forward and backward. Ink auto supply system let the color of printing be more uniform.
8. II-class: There are forme 3 inking rollers and 2 forme dampening rollers. We improved the order of inking roller. Three ink vibrators can drives fastly back and forth. Thus the inking supply can be transferred fastly and uniform.
TECHNICAL SPECIFICATIONS

Model	YH-247IINP	YH-256IINP
Max.   printing  size	460  ×   345mm	550  ×   375mm
Max.   sheet  size	470  ×   365mm	560  ×   400mm
Plate  size	470  ×   395  ×   0.15mm	560  ×   420  ×   0.15mm
Blanket  size	470  ×   420  ×   1.95mm	560  ×   460  ×   1.95mm
Usable  paper	28-250g/ sqm	28-250g/ sqm
Ink  roller	14pcs  (3  forme  inking  rollers)	14pcs  (3  forme  inking  rollers)
Dampening  roller	5pcs  (2  forme  dampeninging  rollers)	5pcs  (2  forme  dampeninging  rollers)
Numbering  device	Straight  type(horizontal):   49  heads  Max. (7  heads  on  a  ring  ×   7  rings  on  a  shaft)	Straight  type(horizontal):   56  heads  Max. (7  heads  on  a  ring  ×   8  rings  on  a  shaft)
	Convex  type(vertical):       40  heads  Max. (5  heads  on  a  ring  ×   8  rings  on  a  shaft)	Convex  type(vertical):       45  heads  Max. (5  heads  on  a  ring  ×   9  rings  on  a  shaft)
Letter  press  device	Cylinder  type:   90  ×   345mm  Max.	Cylinder  type:   90  ×   345mm  Max.
	Mounting  ring  type:   30  ×   40mm  Max.	Mounting  ring  type:   30  ×   40mm  Max.
Perforating  device	Cross  perforation: Min  25mm	Cross  perforation: Min  25mm
	Vertical  perforation: 5mm(blade-perfo  type) 2cm(rotary-perfo  type)	Vertical  perforation: 5mm(blade-perfo  type)  2cm(rotary-perfo  type)
Ink  rollers  for  NP  unit	6pcs(2  forme  inking  rollers)	6pcs(2  forme  inking  rollers)
Printing  speed	2000-8000  sheet/hour	2000-8000  sheet/hour
Power  supply	Single-phase:   220v, 50Hz	Single-phase:   220v, 50Hz
Main  motor	0.75kw	1.50kw
Air  pump  motor	0.55kw	0.55kw
Machine  dimension	2600(L)  ×   880(W)  ×   1350(H)mm	2950(L)  ×   950(W)  ×   1350(H)mm
Net  weight	1300kg	1450kg
Package  dimension	2800(L)  ×   1000(W)  ×   1450(H)mm	3120(L)  ×   1120(W)  ×   1600(