A4 Paper Production Machine

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RYHM-2 High Speed A4 Paper Production Line 4 rolls Cutting &Packing in one Machine

RYHM-2 High Speed A4 Paper Production Line 4 rolls Cutting &Packing in one Machine

Introduction The machine is electrical automation, PLC control systems and mechanical automation. It includes reams paper preparation, reams paper slitting, reams paper memory transmission, reams paper packing, reams paper send out. It is a continuous and full automatic A4 Paper cutting and...

Introduction

The machine is electrical automation, PLC control systems and mechanical automation. It includes reams paper preparation, reams paper slitting, reams paper memory transmission, reams paper packing, reams paper send out. It is a continuous and full automatic A4 Paper cutting and packing production line.

Technics of Equipment

As technics of our machine, we hereby describe the related functions and work flow for paper products: unwinding? cutting ? conveying ? collecting ? Packaging.

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A.RYHM-2A A4 paper cutting machine

A-1. Main Technical Parameter

Name

Parameters

Paper Width

Gross width 860mm, net width 840mm

Cutting numbers

4 cutting-A4 210mm (width)

Paper roll’s diameter

Max.?1500mm.  Min.?600mm

Paper core’s diameter

3”(76.2mm)or 6”(152.4mm) or according to the clients’ demand

Packing Paper grade

High-grade copy paper; High-grade office paper; High grade Free Wood paper etc.

Paper weight

60-100g/m2

Sheet length

297mm ( specially design for A4 paper, the cutting length is 297mm)

Ream amount

500 sheets Max. Height: 45-55mm

Production speed

Max 0-200m/min(depends on different paper quality)

Max. Numbers of cutting

Max 670/min

Output of the ream

Max 25reams/min

Load of cutting

500g/m2 (5×100g/m2)

Cutting accuracy

±0.2mm

Cutting condition

No variation of the speed, no break, cut all the paper at one time and need the eligible paper.

Power

34KW

Air consumption

300NL/min

Air pressure

6 bar

Edge cutting

2×10mm

Safety standard

Design  according the safety standard of China

A-2.Standard Configuration
1. Unwind Stand (3Sets= 5Rolls)

(include 3 sets of railway and trolley)
A-1 Type: RYHM-2A

1) Machine Type

Each machine table can take 2 sets of shaftless paper rack.

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2) Diameter of the paper roll

Max. ?1500mm

3) Width of the paper roll

Max. ?860mm

4) Paper rack’s material

Steel

5) Clutch device

Pneumatic Braker and control

6) Clip arm’s adjustment

Manual adjust by oil pressure

7) Paper core demanding

3”(76.2mm)or 6”(152.4mm) or according to the client’s need

2. Automatic tension control system
A-2 Type: Automatic tension control system

1) When the paper through inductor, that automatic feedback to the PLC control system to increase brake load, increase or reduce the tension that control the paper tension automatically.

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3 High precision cutting knife system
A-3 Type: High precision cutting knife system

1)Upper and lower knives are rotary make the cutting accuracy is very precision.

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2) Anti-curve device Include one set of square bar and steel wheel. When the curve paper through paper edge unit that can adjust the paper square and let it flat.
3) 5 sets slitting knives
Upper slitting knife take by air pressure and spring. Lower knife connect with bear drive(the diameter is ?180mm ) and move with spring. The upper and lower round knife is made by SKH.The lower slitting knife (diameter is ?200mm) and drive with in-phase belts. The lower slitting knife is 5 groups, each group have two knife edge.
4) Paper feeding wheel 

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Upper wheel

?200*900mm (rubber covered)

Lower wheel

?400*1000mm (anti-glide)

5) Cutting knife group


Upper cutting knife

2 sets 1100mm

Lower cutting knife

2 sets 1100mm

6) Driving group(High precision bear and belt drive)
7) Main driving motor group: 22KW

4. Transporting System
A-4.Type: Transporting system

1) Transporting by level and overlapping device

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2)High speed transporting belt and press wheel. Upper and lower transport belt corresponding pressure paper, automatic tension and close system.
3) Static removal device(Include static removal bar and Negative ion generator)

5. Paper collecting system
A-5 Type: Paper collecting system

1) Automatic device for paper stack up and down

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2) Jogging device and clap paper tidy. Control by air vat, when design  sheet, the cylinder up and down by cut paper bar. After transport paper to belt, transport to the pack table cross.

6. Accessories
A-6 Type: Accessories

Upper knife

2 sets 1100mm Material: compounding of tungsten steel

Lower knife

2 sets  1100mm Material: compounding  of tungsten steel

Upper slitting knife

5 sets  ?180mm  Material: SKH

Lower slitting knife

5 sets ?200mm Material: SKH

B. RYHM-2B Wrapping Machine
B.1. Main Technical Parameters:

Name

Parameters

Paper Width

Gross width:310mm ;net width :297mm

Ream packing high

Max 55mm ; Min 45mm

Packing roll dia

Max.1000 mm ; Min.200mm

Packing roll width

560mm

Packing sheets weight

70-100g/m2

Packing sheets grade

high-grade copy paper, high-grade office paper, high-grade offset paper etc.

Design speed

Max 50 reams/min

Operation Speed

Max 35 reams/min

Packing condition

no speed variations, no breaks, cut all the paper at one time and qualified packing paper.

Driving

AC Servo Precision Control

Power

18KW

Compressing air consumption

300NL/min

Air pressure

6bar

B-2. Configuration:

Name

Quantity

1. Conveyer system for reams placement ( 800*1100)

One set

2. Ream accelerated to placing system

One set

3. Unwind stand for packing roll

One set

4. Lifting system for reams

One set

5. Pressing and tighten system for reams

One set

6. Lower folding system for packing sheets

Two sets

7. Angle overlapping system for packing sheets

One set

8. Steadfastness angle overlapping for packing sheets

One set

9. Spraying hot melt glue system for packing sheets

One set

10. PLC system for alarming, auto stop of break-down

One set

11. PLC controlling system

One set

C. All the machine is controlled by PLC.

Included the following function: speed control, paper count, paper ream output, fault alarm and automatic stop(Indicate fault code shown on the panel screen)

D. Prepare items by buyer

1)The civil engineering and substructure of this machine

2)The machine main power wiring and electric line setting work out of this machine control box. 

3)Air pressure source and pipe for this machine.

4)The suspend and unload work at scene. 

E. Other terms

This machine design by the newest technical and technology development, so in the ruler of not effect the production and quality, we remain the right to modify and change. 

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