920 1224 1226 1228 1424 1426 1428 1624 1626 1628 1632 Customizable 4 Color Flexo High Definition Printing Slotting Die Cutting Machine
This is a fully automatic Flexo High Definition Printing Slotting Die Cutting Machine, integrating features such as front-edge paper feeding, high-precision computer control, multi-color high-net-line ink printing, RSC slotting, and high-precision die-cutting.
It is mainly used for the production of high-end color cartons, agricultural box, gift boxes, premium fruit boxes, e-commerce express boxes, and high-end electrical appliance outer packaging boxes, etc.
Completion of process: Successfully complete multiple processes in one go, including automatic paper feeding, multi-color high-definition printing, rapid infrared (IR)/ultraviolet (UV) drying, slotting (pressing lines/ cutting corners), and special-shaped die-cutting.
A paper box factory specializing in mid-to-high-end and high-value-added packaging. We accept orders for a large number of e-commerce packaging, those requiring high-definition graphic printing, or those needing "paper instead of wood" for heavy-duty packaging.
It is mainly used for the production of high-end color cartons, agricultural box, gift boxes, premium fruit boxes, e-commerce express boxes, and high-end electrical appliance outer packaging boxes, etc.
Completion of process: Successfully complete multiple processes in one go, including automatic paper feeding, multi-color high-definition printing, rapid infrared (IR)/ultraviolet (UV) drying, slotting (pressing lines/ cutting corners), and special-shaped die-cutting.
A paper box factory specializing in mid-to-high-end and high-value-added packaging. We accept orders for a large number of e-commerce packaging, those requiring high-definition graphic printing, or those needing "paper instead of wood" for heavy-duty packaging.
5.0
MOQ:
1pcs
Brand:
DE PACK
Place of Origin:
Hebei, China
Delivery:
By Sea
Payment terms:
TT Full payment before shipment (30% in advance, and the rest payment before shipment.)
design customization
Please fill out the form below to request a quote or to request more information about us. Please be sure to upload customized requirement documents or pictures, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
Please fill out the form below to request a quote or to request more information about us. please be as detailed as possible in your message, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
Work Process
Feeding
Printing
Drying
Varnishing
Drying
Slotting
Die Cutting
Stacker
The whole machine function introduction
- Transmission system all adopts straight gear transmission, low noise, increase gear strength, improve the smoothness of gear transmission. All transmission gears are made of 20CrMnTi high-quality alloy steel, carburized, tempered, super-hard treatment, precision grinding and processing, high strength and durability. The whole machine adopts closed spray lubrication and oil level balancing device to keep the gears highly lubricated.
- Bearings all use NSK and Harbin high-quality brand-name bearings, one by one inspection, qualified to meet the standard into the warehouse.
- Each unit clutch electric and attached alarm, clutch continuous ringing warning, to ensure the safety of operators, can buffer the wrong operation of the units collide with each other. Each unit has an automatic zeroing system, which can be adjusted to the correct size by sending a small amount of cardboard, reducing the waste of cardboard.
- Motor adopts frequency conversion motor. Electrical appliances adopt "Schneider" famous brand products.
- Starting elements: cylinder, solenoid valve adopts Delixi brand cylinder.
- Color man-machine interface, touch screen operation, simple, convenient and powerful.
Technical Parameters
| Maximum mechanical speed (sheets/min) | 300 |
| Gear thickness (mm) | 60 |
| Maximum paper feed size (mm) | 1200 X 2400 |
| Minimum paper feed size (mm) | 350 X 750 |
| Interleaving paper feed (mm) | 1380 X 2400 |
| Maximum printing area (mm) | 1200 X 2400 |
| Standard printing plate thickness (mm) | 7.2 |
| Adaptable cardboard thickness (mm) | 2---11 |
| Feeding precision | ±1.0 ㎜ |
| Each printing uint overprint precision | ±0.3 ㎜ |
| Slotting precision | ±1.5 ㎜ |
| Max glue side width | 45mm |
| Printing repetition points | 1200 |
| Left and right positions (the lateral movement distance of the printing roller) | 10mm |
Functions and features
Pressure-free paper feeding leading edge part
Core Function: Precisely, smoothly and rapidly convey single stacked corrugated cardboard sheets into the printing line. High Definition Feature: Utilizes a leading-edge paper feeding system in conjunction with full vacuum suction conveyance. Through air volume control, it can firmly hold warped cardboard while ensuring that the corrugated structure is never crushed during high-speed advancement, thus protecting the initial thickness and flatness of the cardboard.
Printing part
Core Function: Responsible for the transfer and overprinting of various colors (C, M, Y, K and special colors). High-definition Feature: Utilizes a closed double scraper and high-line-count ceramic mesh roller to ensure uniform ink transfer with precise volume control. Independent servo direct drive and color-to-color infrared (IR)/ultraviolet (UV) drying systems ensure accurate dot registration and instant curing, preventing ink smearing and color mixing at high speeds.
Adsorption air box
Technical principle: The traditional mechanical long shaft and gearbox have been eliminated. Each printing unit, paper feeding, and slotting are all directly driven by independent high-precision servo motors. The paper board transmission between units is replaced by a full-vacuum suction box instead of the traditional clamping rollers. High-definition advantages: It avoids the cumulative error caused by the mechanical gear clearance, and the registration accuracy is controlled within ±0.3mm; The vacuum suction ensures that the paper board does not drift during high-speed movement and the corrugation is not crushed, ensuring uniform ink absorption.
Infrared drying part
High-efficiency Infrared Drying System (IR/UV Dryer) Technical Principle: In high-end high-definition models, between each printing unit (color separation) or in the post-processing stage, there are powerful infrared (IR) or ultraviolet (UV) drying chambers. High-definition advantages: The high-definition printing process has a greater number of color layers, and the drying of color intervals enables the first color ink to be solidified instantly before entering the second color, preventing "color mixing" or "flaking" during the color overlay, and making the edge of the dots clearer.
Ceramic Roller
A completely sealed cavity is adopted, with two specially designed scrapers in close contact with the ceramic mesh roller. High-definition advantages: Regardless of the vehicle speed being 50 meters per minute or 250 meters per minute, the ink pressure inside the cavity remains constant, the ink transfer volume is extremely precise and uniform, and it also prevents ink and ammonia evaporation and skin formation, ensuring that the high-gloss dots do not smudge the plate. A high-hardness ceramic coating is used, and extremely small ink cavities (the mesh line count is usually between 500-900 LPI) are precisely laser engraved. High-definition advantages: "High-line-number printing plates must be matched with higher-line-number mesh rollers."
Slotting
Performs longitudinal and transverse line pressing on the cardboard, as well as slotting (cutting the gap for the lid of the carton) and cutting tongues. Full computer-controlled axial/radial adjustment: The position of the slotting knife holder and the height of the line pressing wheels are all controlled by computer servo systems. When changing the sheet, the cutting is automatically aligned, with high precision. Double-pressure line structure: Combining pre-pressure and main pressure to prevent the paperboard from bursting when being pressed, ensuring smooth subsequent folding.
Die cutting
For non-standard shaped cartons (such as handle holes, airplane boxes, latch handles, irregular ventilation holes, etc.), the die-cutting unit uses die-cutting rollers to perform punching and shaping. Line Speed Compensation: Automatically tracks and compensates for the diameter changes of the die-cutting rubber pads (Yuli rubber pads) due to wear, ensuring consistent die-cutting dimensions. Rubber pad repair for micro-motion device: Automatically smooths the surface of the rubber pad, extending its service life.
faq
1
Q1: What is a high-definition printing machine? How is it different from a regular printing machine?
A: A high-definition printing machine generally refers to a printing device that can achieve high resolution (usually ranging from 1200 dpi to 2400 dpi or higher), high color saturation, and precise registration.
General printing machine: The dots are relatively thick, suitable for printing of booklets and ordinary packaging, as well as other types of printing where detailed accuracy is not highly required.
High-definition printing machine: Utilizing more precise laser imaging technology, finer ink droplet control (such as micro-needle point inkjet technology) and high-precision mechanical transmission, it can perfectly reproduce photo-level details, delicate skin transitions and miniature anti-counterfeiting text.
2
Q2: How does inkjet high-definition printing achieve "high definition" on rough corrugated cardboard?
A: This relies on the evolution of three core technologies: High-line-count ceramic screen rollers (Anilox Roller): The laser-etched screen holes are extremely fine, enabling precise and minute transfer of ink. High-precision servo drive: Fully computer-controlled gears and rollers ensure that the registration error during multi-color overlay is controlled at the micrometer level. Quick-drying system (IR/Hot Air): Ink is most afraid of smudging (diffusion), and high-definition equipment is equipped with a powerful infrared (IR) or hot air drying system, allowing the ink to quickly solidify upon contact with the paper, locking in the halftones.
3
Q3: Why is high-definition inkjet printing with water-based ink being promoted? What are its unique advantages that cannot be replicated by other methods?
A: * Exceptional environmental friendliness (VOCs approaching zero): Compared to oil-based (solvent-based) inks, water-based ink uses water as the solvent. It is non-toxic, has no irritating odor, is non-flammable and non-explosive, and fully complies with the strict environmental standards for food-grade and toy-grade packaging.
The balance between high appearance quality and low cost: In the field of carton packaging, in the past, to achieve "high-definition" required first printing on the surface paper using offset printing, and then pasting it onto the corrugated board (pre-printing/offset printing surface), which was a complex process and had high costs. High-quality ink printing supports direct high-definition printing on corrugated cardboard (direct printing), significantly simplifying the process and reducing the overall manufacturing cost.
4
Q4: In which industries is it mainly applied?
A: It is mainly applied in high-end packaging that has extremely strict requirements for both environmental protection and appearance.
E-commerce and digital 3C packaging (such as mobile phone cases, high-end express aircraft boxes) .
Food and beverage outer boxes (such as high-end fruit boxes, beer/milk gift boxes)
Cosmetics and beauty product packaging.
5
Q5: When choosing an inkjet high-definition printing machine, what key indicators should be focused on?
A: * LPI (Line Per Inch) of the screen roller: Clarify the maximum LPI supported by the equipment. If printing on high-end album or box paper, a LPI of 600-900 or even higher is usually required for the screen roller.
Ink scraping system: A closed double-scraping blade system (Chamber Doctor Blade) must be selected. Only this system can ensure the uniformity and stability of ink transfer during high-speed operation.
Quick-drying capability: This is evaluated by the drying between colors (inter-deck drying) and the overall drying system at the end. This directly determines your startup speed (production capacity).
6
Q6: Why must high-definition machines be equipped with "Closed-System Double Scraper Chamber (Chamber Doctor Blade)"?
A: The traditional open-type ink rollers for ink transfer cause ink splashing and increased air bubbles due to the high-speed operation of the machine, and the ink film thickness cannot be precisely controlled.
The closed-system double scraper system seals the ink within a chamber. The front scraper is responsible for sealing the ink, and the rear scraper removes the excess ink on the surface of the screen roller at an accurate angle. This ensures that the ink transfer volume remains absolutely constant even at a high speed of 200 meters per minute, avoiding the problem of inconsistent colors (color difference) in printed products.
7
Q7: When evaluating a high-definition inkjet printing machine, which key technical indicators should be considered?
A: When making a selection, one cannot rely solely on the manufacturer's promotion. It is necessary to clearly specify the following four points in the contract or technical agreement: Registration Accuracy: The high-definition machine must be controlled within ≤±0.3mm or ≤±0.15mm (usually requiring full servo independent drive). Maximum supported screen roller line count: Whether the equipment structure can stably handle screen rollers with a line count of 800 LPI or above. Dust removal and pre-treatment system: Paper debris is the nemesis of high-definition inkjet printing. When making a selection, one must check if it is equipped with an efficient electrostatic dust removal and board suction device. Pressure adjustment mechanism: Whether it has a computer-controlled zero-pressure/Kiss Touch fine-tuning function (with an accuracy of $0.01\text{ mm}$ level), otherwise it is prone to crushing corrugated cardboard.
8
Q8: If you choose a high-definition flexographic printing machine, should you opt for the "bottom-fed" or "top-fed" structure?
A: This depends on the connection of your downstream processes:
Top-printing: The printed side is facing upwards. The advantage is that it is convenient for operators to directly observe the printing effect during the production process, and it is also easy to connect with the folding and gluing machine (Folder Gluer) for production.
Bottom-printing: The printing surface is placed facing down. The advantage is that dust on the paperboard will naturally fall off, reducing the risk of contaminating the printing plate and providing better protection for high-definition dots. It is usually suitable for the production of high-end premium boxes with independent die-cutting.
9
Q9: How to determine the efficiency of plate changing and plate erasing for the equipment during the selection process?
A: Due to the fine dots in high-definition printing, the frequency of plate washing and changing is higher than that in ordinary printing.
When selecting the equipment, it is necessary to test the quick-locking device and the automatic plate washing function of the equipment. An excellent selection plan should enable the operator to complete the single-color plate changing within 5-10 minutes, and the equipment should have the function of automatically cycling and cleaning the printing plates and the screen patterns rollers at one click, which can significantly improve the actual operating efficiency (OEE) of the equipment.
10
Q10: Ink tends to "spread" (diffuse) on paper very easily. How do high-definition devices prevent the ink dots from becoming smeared?
A: This mainly relies on the "inter-deck drying" technology.
In high-definition machines, high-power infrared (IR) drying or hot air knife systems are installed between each two color units. As soon as the first color ink comes into contact with the paper and hasn't had time to spread outwards, the moisture is instantly evaporated and solidified, and then immediately enters the next color layer. This ensures the sharpness of the ink dot edges.
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