Weifang Ruida Science And Technology Co., Ltd.
Main products:offset press,die cutting and creasing machine,mini power tiller
Contact Us
  • Contact Person : Mr. Yin Xianzheng
  • Company Name : Weifang Ruida Science And Technology Co., Ltd.
  • Tel : 86-536-8868908
  • Fax : 86-536-8861086
  • Address : Shandong,Weifang,Room 316-320, Building 2, Weifang College, High-Tech Zone
  • Country/Region : China

Offset Printing Paper Machine 56NP

Offset Printing Paper Machine 56NP
Product Detailed
1. Offset Printing Paper Machine RD56NP 2. ISO-9001-2000 Certificate 3. CE certificate 4. Compatible with Heidelberg machine

Offset printing machine

1. Offset Printing Paper Machine RD56NP2. ISO-9001-2000 Certificate3. CE certificate4. Compatible with Heidelberg machine 



1.        Easy operation:dampening,inking and pressing are operated by one handle at different level. The pressing cylinder on/off is controlled by Electric-Eye exactlyly and reliably.

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.        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.

4.        presetted counter:This machine adopts electromagnetic presetted counter. If the quantited printing work finishes, the paper feeding stops automatically.

5.        Double sheets detection:It can avoid the problem such as double sheets,paper overlap and non-stop.

6.        The whole machine is controlled by PLC. There are functions such as auto press, auto stop while paper jam, powder jet, steps running forward and backward.

7.        NP device:printing, number printing, red chromatography, stamp press printing, perforation line, these function can be finished one time.It makes a high work effeciency.





Max. printing size

550 × 375mm

Max. sheet size

540 × 400mm

Plate size

560 × 420 × 0.15mm

Blanket size

560 × 460 × 1.95mm

Usable paper


Ink roller

10pcs (2 forme inking rollers)

Dampening roller

4pcs (1 forme dampening roller)


thick: 76 stitches; thin: 44stitches

Numbering device

Straight type(horizontal): 56 heads Max.

(7 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 printing device

Cylinder type: 90 × 345mm Max.

Mounting ring type: 30 × 40mm Max.

Perforating device

Cross perforation:Min 25mm

Vertical perforation: 5mm(blade-perfo type)

2cm(rotary-perfo type)

Ink rollers for NP unit

6pcs(2 forme inking rollers)

Printing speed

2000-7000 sheet/hour

Power supply

Single-phase: 220v,50Hz

Main motor


Air pump motor

0. 55kw

Machine dimension

1760 × 970 × 1340mm

Net weight


Packing case dimension

2100 × 1150 × 1450mm

Offset Printing Paper Machine 56NP

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