High-speed Computerized Color Register Rotogravure Press

BJY8-1050A Rotogravure printing press

(1)Introduction:

This Model of Machine was consist of:unwinding unit,Feeding traction unit,printing unit,drying unit,dischargeing traction unit,rewinding unit,Electronic control unit and corresponding control Instruments.

(2)Main Feature

1.Max Printing Speed:150m/min

2.Dry Oven:Nozzle type hot air circulation rapid exhaust structure.

3. Cylinder without shaft core pneumatic clamping system, to ensure that the change version of the shortcut.

4. Automatic cutting function for unwinding and rewinding also have the function of adhesive tape detection,pressing roller while unwinding and picking up the material,cutting knife for break the material, Tension switch, automatic Reset functions.

5. Feeding unit, feeding traction unit, printing unit, the discharging drawing unit and the rewinding unit are all controlled by variable frequency AC vector.

6.Adopt the standard equipment of high-grade gravure printing machine , Four class floating roller tension control system,unwinding and feed traction and rewinding all adopt friction cylinder swing roll detection with High precision tension control.

7.Total Machine adopts low torque guide roll to meet the requirements of sensitive materials printing.

8. Double cylinder back pressure type scraper mechanism for high speed printing.

9.Total Machine Adopt PLC Control, man-machine interface to control and monitor the working state of the whole machine, Integrated design of machine, electricity and gas.

(3)Technical parameter

1.Machine direction:From left to right.

2. Printing color:8 (can customized to your detailed requirements)

3.Application Web Material:

PVC:40～80µm PET: 12～60µm PE:30～100µm

OPP:20～60µm BOPP:19～60µm CPP:30～60µm

NY: 12～50µm BOPA:15～50µm composite film:15～60µm

4.Applicable web width: 650～1050mm.

5.Max Printing Speed: 150m/min(while roll diameter is 170 mm Printing speed is depends on the web characteristics and thickness uniformity, nature of the solvent, the ink amount in the printing page and the characteristics of the ink etc)

6. Registration precision: ±0.1mm.( Standard Edition block, steady speed operation).

7. Vertical and horizontal Registration: Vertical with automatic and horizontal Manual.

8. printing plate cylinder Dia: Ф120mm～Ф300mm.

9. printing plate cylinder width: 750～1100mm

10.Roll surface Width: 1100mm

11.unwinding and rewinding coil Dia: Ф600mm.

12. tension control range: 3 ~ 30kgf/ full width.

13.Max pressure:800kgf/ full width.

14. main drive motor: 15Kw AC variable frequency motor.

15.Total Machine Power: Motor power 64Kw, electric heating total power 219Kw, total power is about 283Kw.

16. Air source: clean compressed air after Filtered water and oil.

17.Machine Weight:about 22000kg.

18. Exterior dimensions: 16500×3800×3200mm

19.Machine color:White(RAL2010)

20. Position of the main exhaust fan: beside the rewinding transmission.

21.main electric cabinet position: beside the unwinding transmission.

4．Machine configuration:

1.unwinding unit

1.1 inside feeding rack

Features: Electric flip frame to ensure the overall structural rigidity and stability, stable operation when the rolling material turnover. Effectively reducing the impact of the feeding material. The lock cover type air shaft convenient for loading and unloading the material achieve safe and reliable operation.

1. structure: Double station electric turnover frame.
2. Manual adjustment of the web material: ±20mm
3. Max Unwinding Dia: Ф600mm
4. Driven by 4Kw AC variable frequency motor, Rotary encoder speed feedback, YASKAWA AC vector inverter Control.
5. Tension control range: 3 ~ 30kgf/ full width.
6. Tension control system: Precision potentiometer detection, Cylinder buffer swing roll compensation, Programmable logic controller tension Control.
7. Tension setting:setting by Precision pressure regulating valve.
8. Paper core fixing method: Inflatable shaft Swelling.
9. Inflatable shaft fixing method: Bearing sleeve support, lock cover type loading and unloading material.
10. Inflatable shaft: 3″
11. Unwinding rack turnover: 0.75Kw motor drive, automatic positioning while turnover , turnover speed 1r/min.

1.2 Pre speed unwinding material and fully automatic material feeding and cutting device.

1) Pre speed driven by AC frequency conversion motor

2) automatic positioning while turnover, Winding diameter automatic detection.

3) New material pre speed synchronized with machine line speed, automatic calculation by PLC.

4)Automatic detection sticking position of adhesive tape.

5)Feeding pressure roll ,cutting and exchanging material,tension switch and reset are auto-Completed.

2.Feeding traction unit.

1)structure model:Active traction

2)driving system:driven by 2.2Kw AC variable frequency motor , Rotary encoder speed feedback, YASKAWA AC vector inverter control

3)Press roller compaction method:Cylinder pressure, adjustable pressure

4)Steel roller:Ф160mm

5)Soft roll:Ф120mm,nitrile-butadiene rubber,Shao Er (A) 65 ~ 70 degrees.

6) Tension control system: recision potentiometer detection, Cylinder buffer swing roll compensation, Programmable logic controller tension Control.

7)tension set: setting by Precision pressure regulating valve.

3.Printing unit

3.1 driving system:driving by 15Kw AC variable frequency motor, Yaskawa AC vector inverter control.

3.2 Printing plate cylinder:

1) Printing plate cylinder installation method: Pneumatic clamping device,

2) cone end of the printing plate cylinder is 100mm. Taper is 20 degrees, Top plate diameter 78mm, Cone material 40Cr, Carburizing and quenching.

3) plate cylinder adjust :Manual 200mm, Pneumatic 250mm.

4) Cylinder power transmission: Combined sealing gear box transmission.

5) Vertical registration: Computer automatic tracking, low speed synchronous motor drive, two-way precision screw ball adjustment.

6)Horizontal registration: Manual adjustment.

7) Electrostatic elimination treatment before each color group printing .

3.3 Pressure Roller

Characteristics: design of the impression arm is effective in reducing the variation of the length of the film. shaft type embossing rollers for Convenient and quick dismounting.

1. Pressure method: Cylinder press can adjustable
2. Pressure Roller: Swing arm type pressure structure with anti loosening effect while combine and loosen film material.
3. Max Pressure: 500kgf/ full width.
4. Pressure Roll specifications: Ф120mm,( nitrile-butadiene rubber ,hardness of 65 degrees to 70 degrees.)
5. Pressure roll : anti fall locking mechanism.

3.4 Scraper device:

1) Scraper structure: Double cylinder double cylinder back pressure type installation of anti flying ink baffle plate under the scraper can effectively prevent ink splash.

2) Scraper adjustment: horizontal and vertical direction and angle can be adjusted by hand.

3) Scraper pressure: Double cylinder back pressure can be adjusted according to the need.

4) Scraper reciprocating motion: 0.37Kw Each group of independent motors + drive by frequency converter .

5) Scraper swing: ±5mm.

3.5 Ink tray

1)on plate ink type: Plate immersion type.

2) Ink tray vertical lift: Worm gear and worm drive, gear rack lifting, hand wheel operation.

3)Ink tray material:Stainless steel plate.

4)Ink circulation:adopt pneumatic diaphragm pump for ink circulation.

4.Dry unit

Each color group independent drying system design, full closed oven, the heat source can be the use of secondary return air, high heat utilization rate, less loss, intelligent continuous constant temperature control system, enabling various printing. Nozzle for flat mouth Changfeng Ju, low temperature and high air drying, secondary return air way, on the whole surface of the cyclone layout,drying from inside to outside. variety of heating source for option.

1. structure type:Quick exhaust structure of hot air circulation the front 7 color oven effective drying length 1350mm.the last oven effective drying length 1500mm.
2. Nozzle type: flat long type + net pass nozzle, each color group of 7 nozzles, the last set 8.
3. Heating mode: electric heating. (heat pump heating, oil heating, steam heating, gas heating for option).
4. heating power: 27Kw/ each color group.
5. drying temperature: Maximum temperature 80℃, Automatic constant temperature control precision ±2℃.
6. guide rollers in the drying box: 7 roots per color group and the last 8.
7. Inlet fan:2.2kw/color group and the last 3kw.
8. Opening way of Drying oven: Manual opening.
9. Hot air back amount can be adjustable and the max recycling can be 50%.

5. Cooling mode: 0.33Kw independent high pressure fan wind cooling in each color group.

6 Guiding Roller: Dynamic balancing Aluminum Alloy hardfaced with high precision and low torque roller HV300.

7. Discharging traction unit

1)Active traction

2)driving system:driven by 2.2Kw AC variable frequency motor , Rotary encoder speed feedback, YASKAWA AC vector inverter control

3)Press roller compaction method:Cylinder pressure, adjustable pressure.

4)Steel roller:Ф160mm

5)Soft roll:Ф120mm,nitrile-butadiene rubber,Shao Er (A) 65 ~ 70 degrees.

6) Tension control system: recision potentiometer detection, Cylinder buffer swing roll compensation, Programmable logic controller tension Control.

7)tension set: setting by Precision pressure regulating valve.

8) light box convenient to observe the situation of printing.

8.rewinding unit

8.1 inside rewinding rack

Features: Electric flip frame to ensure the overall structural rigidity and stability, stable operation when the rolling material turnover. Effectively reducing the impact of the feeding material. The lock cover type air shaft convenient for loading and unloading the material achieve safe and reliable operation.

1. structure: Double station electric turnover frame.
2. Manual adjustment of the web material: ±20mm
3. Max Unwinding Dia: Ф600mm
4. Driven by 4Kw AC variable frequency motor, Rotary encoder speed feedback, YASKAWA AC vector inverter Control.
5. Tension control range: 3 ~ 30kgf/ full width.
6. Tension control system: Precision potentiometer detection, Cylinder buffer swing roll compensation, Programmable logic controller tension Control.
7. Tension setting:setting by Precision pressure regulating valve.
8. Paper core fixing method: Inflatable shaft Swelling.
9. Inflatable shaft fixing method: Bearing sleeve support, lock cover type loading and unloading material.
10. Inflatable shaft: 3″
11. Pneumatic press roller device for rewinding.
12. Unwinding rack turnover: 0.75Kw motor drive, automatic positioning while turnover , turnover speed 1r/min.

8.2 pre speed for unwinding and automatic material picking up and cutting device:

1)Pre speed drive by vector variable frequency motor.

2)New material pre speed synchronized with machine line speed, automatic calculation by PLC.

3)Feeding pressure roll ,cutting and exchanging material,tension switch and reset are auto-Completed.

5.．Main configuration list

1. Vector variable frequency controller:Japan Yaskawa

2. PLC Programmable logic controller:panasonic

3. man-machine interface:Taiwan vinylon

4. Register system:Wuhan xinmao or Weinan keisai branch

5.still frame: Wuhan xinmao or Weinan keisai branch

6. AC frequency conversion motor(with Rotary encoder):Siemens

7. Low voltage electrical apparatus: Schneider and minyou

8. Temperature Controller:minyou

9. Precision potentiometer:minyou

10. Main bearing: NTN and minyou

11.Main pneumatic components: AIRAC and minyou

12. Friction cylinder: Japan Teng Cang

13. Precision pressure regulating valve: Japan Teng Cang

14. Ink circulation pump:minyou

15. Electrostatic elimination brush: minyou

16. lighting:minyou(Safety explosion-proof)

17. Common tools:minyou

6．Total machine control system:

Centralized control by the central controller, the whole line speed LED digital display, Set the process parameters of man-machine interface, and real-time display of the tension state, work condition monitoring.

7.Operation cabinet : the centralized control cabinet is located on the side of the discharging unit, and the unit operating cabinet is positioned on the front of each printing unit.

8．supporting facilities(user prepare)

1.Power Supply: 3phase 5 wire, AC380V 50Hz

2. air supply:pressure 0.8MPa

3. Exhaust pipe, exhaust fan.

4. Foundation and installation materials

5.others in need.

Baojun Precision Machinery Co., Ltd. Are located in Jiangyin City, Jiangsu Province, Gu Town, and strategic location, is the heart of the Yangtze River Delta economic zone, the North pillow Yangtze River, south of Taihu Lake, east of Shanghai, west Nanjing, convenient transportation.

The company covers an area of 15, 000 square meters, construction area of 20, 000 square meters, is a collection product development, design, production and sales of flexible packaging equipment manufacturing enterprises. Since its inception, the company has been responsive to national advocacy of science and technology, high efficiency, energy saving, environmental protection, recycling economy development direction, relying on independent intellectual property rights of painstaking research, the successful development and production of the leading domestic technology, high quality, high-grade printed, complex machines, single-sided, double-sided coated iron production lines and other series of flexible packaging machinery and equipment, and with professional sales and service team, and improve after-sales service to "treasure all machinery, " the brand of radiation to the country's various provinces cities, and to the world.

As science and technology continues to progress and development of private enterprises to master the core technology, and promote the use of science is one of the core competitiveness of future development. In the subsequent production process, the company will pay more attention to technological innovation and social responsibility. With a sincere heart to economy-saving, low-carbon and efficient type of products to each customer, creating value for customers; Bo love will grow up happy, promotion business platform to bring each of my colleagues, to create opportunities for colleagues; To Thanksgiving heart The investment income, social resources back to each shareholder, to create profits for shareholders; To benevolence energy-saving and environmental protection, industry, bringing revolutionary transformation of human society, to create a harmonious society!