Large Format Flexo CTP VLF Plate Imaging Machine for High Quality Printing
FL4835 serves as a digital platesetter for flexographic printing, designed to transfer graphics onto resilient polymer printing sheets. When paired with a companion processing unit, this full prepress system produces ready‑to‑use relief plates for commercial flexo jobs. Its maximum exposure dimension reaches 1220mm by 1020mm. A standout feature of this model is its 256‑channel light valve array, which generates sharp rectangular dots and enables ultra‑high image definition.
- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
Product Introduction
1. Introduction
This state‑of‑the‑art flexo engraver utilizes Amsky's brand‑new 256‑channel laser head, offering industrial‑level power for high‑accuracy plate production. The unit processes a complete 48×35 inch plate within half an hour at 5080 dpi. It also works with 2540 dpi setups and can go up to 10160 dpi for extremely fine tasks. The unique 256‑laser valve arrangement creates flawless square dots, guaranteeing full pixel coverage across the whole plate surface. Running at 5080 dpi, the equipment delivers remarkable 5μm × 5μm dot accuracy, resulting in crisp detail reproduction and steady output quality.Built for tough flexo jobs, this strong machine merges rapid production with near‑micron exactness. It suits packaging, labeling, and specialty print work needing both speed and excellent picture quality.
Precision Laser Focusing & Exposure System
Our high-performance laser imaging engine employs live autofocus driven by laser range-finding and precision voice coil actuators. This paired system keeps the focal point consistently accurate during exposure, securing excellent image clarity over the full plate area.Double and triple line overlap modes are available, boosting LAMS engraving results and improving image sharpness while preserving throughput for flexo plate manufacturing.To ensure dependable long-term operation, live thermal regulation is built in. Instant heat monitoring together with pre-scan laser alignment holds exposure power steady with a deviation under ±0.5%. This closed-loop design counteracts temperature changes, giving repeatable outcomes through lengthy production sessions.
Key Benefits:
- Vertical Z-axis adjustment preserves focus on non-flat plate surfaces
- Selectable overlap settings tune the trade-off between definition and speed
- Anticipatory temperature correction stops laser energy variation
- Built-in checkers offer live process validation
This fully integrated control platform marks a step forward in flexo plate imaging. By fusing accurate hardware with smart process oversight, it offers unmatched uniformity in large-scale production settings.
2. Main machine parameters
| Model | FL 4835 S | FL 4835 F | FL4835 C |
| Exposing Method | External Drum | ||
| Imaging System | 256 laser LV technology, 1064nm laser wavelength; | ||
| Plate Sizes | MAX.1220mm*1020mm(48in*35in), MIN.200*200mm | ||
| Resolution | 5080DPI(Compatible with 2540DPI) | 4000 DPI | |
| Productivity | 3M²/h (Based on 5080dpi) | 5M²/h (Based on 5080dpi) | 5M²/h (Based on 4000 dpi) |
| 48*35in,20min | 48*35in,12min | 48*35in,12min | |
| Plate Type | Heat corrosive film, Digital water washed letterpress, Digital water washed flexo plate, Digital solvent wash flexo plate, Digital thermal flexo plate | ||
| Plate Thickness | 0.14mm~6.35mm | ||
| Plate Loading | Plate manual loading | ||
| Device Size | 1974*1750*1537mm(L*W*H) | ||
| Net Weight | 1100 kg | ||
| Power | 380V,total power is 16kw | ||
| Environment | Tolerant temperature:15-30°C, recommended temperature:21-25°C, relative humidity:40%-70 | ||
3. Full flexo prepress production room-package solution
Flexo Platesetter – A direct‑to‑plate solution made for exposing flexographic printing forms.
Combo Processing Unit – Merges rear illumination, primary exposure, cleaning, and moisture removal into one compact station.
Imaging Control & Job Preparation – Our platesetter comes with an onboard production sequence. Additionally, we supply FLEXOJOINT software to handle layout and assembly tasks.
4. Prepress procedure
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