RYHM-A4 Paper Production Line
U type: 2roller
1. 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.
A. MJHM-A4-2(pocket) Cut Size Sheeting Machine
| Paper Width |
Gross width 850mm, net width 840mm |
| Cutting numbers |
2 cutting-A4 210mm (width) |
| Paper roll's diameter |
Max.Ф1450mm. Min.Ф600mm |
| 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 841/min |
| Output of the ream |
About 13reams/min |
| Load of cutting |
100g/m2 (1×100g/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. |
| Main power supply |
3*380V /50HZ |
| Voltage |
220V AC /24V DC |
| Power |
23KW |
| Air consumption |
200NL/min |
| Air pressure |
6 bar |
| Edge cutting |
5~15mm×2 |
| Safety standard |
Design according the safety standard of China |
A.2.Standard Configuration
1. Unwind Stand (1Sets= 2Rolls)
A-1 Type: MJHM-A4-2
| 1) Machine Type |
Each machine table can take 2 sets of shaftless paper rack. |
| 2) Diameter of the paper roll |
Max. Ф1450mm |
| 3) Width of the paper roll |
Max. Ф850mm |
| 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) air expansion
shaft chuck |
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. |
|
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. |
|
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 Ф180mm ) and move with spring. The upper and lower round knife is made by SKH.The lower slitting knife (diameter is Ф200mm) and drive with in-phase belts. The lower slitting knife is 5 groups, each group have two knife edge. |
|
| Upper wheel |
: |
Ф200*550mm (rubber covered) |
|
| Lower wheel |
: |
Ф400*550mm (anti-glide) |
| 5) Cutting knife group |
|
|
| Upper cutting knife |
: |
1 sets 550mm |
| Lower cutting knife |
: |
1 sets 550mm |
| 6) Driving group(High precision bear and belt drive) |
| 7) Main driving motor group: 15KW |
4. Transporting System
A-4.Type: Transporting system
| 1) Transporting by level and overlapping device |
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
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 |
: |
1 sets 550mm Material: compounding of tungsten steel |
| Lower knife |
: |
1 sets 550mm Material: compounding of tungsten steel |
| Upper slitting knife |
: |
5 sets Ф180mm Material: SKH |
| Lower slitting knife |
: |
5 sets Ф200mm Material: SKH |
B. MJHM-A4B Wrapping Machine
B.1. Main Technical 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 |
| Main power supply |
3*380V /50HZ( or as required) |
| Voltage |
220V AC /24V DC (or as required) |
| Power |
18KW |
| Compressing air consumption |
300NL/min |
| Air pressure |
6bar |
B.2. Configuration:
| 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 |
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