UV 单通道印刷机哪种更好?虹吸式供墨还是负压式供墨?
Search Search Home / Product Series UV Single Pass Printer Series Single Pass Printer Series Contact Us Share this blog Facebook Linkedin Twitter Which is Better for UV Single Pass Printers: Siphon Ink Supply or Negative Pressure Ink Supply? In the industrial digital printing field, UV Single Pass printers have become synonymous with high-efficiency, high-quality production. However, for many potential users, the choice of ink supply system—especially the difference between siphon ink supply and negative pressure ink supply—is often confusing. The Novix team, as technical experts deeply rooted in this field, will today provide a detailed analysis of the differences between these two systems and explain why the negative pressure ink supply system is the superior choice for high-speed UV Single Pass printing. What is a UV Single Pass printer? A UV Single Pass printer is a revolutionary industrial-grade digital printing device that can complete high-speed printing of all colors in a single pass of the substrate through the printing area. Unlike traditional scanning printers that require multiple passes, Single Pass technology uses a fixed printhead array, with the material passing through at a constant speed, achieving printing speeds of up to tens to hundreds of meters per minute. UV Single Pass printers are particularly suitable for: * High-volume customized packaging printing * Label printing * Decorative material printing * Textile printing * Advertising signage production The core advantage lies in perfectly combining the flexibility of digital printing with the high-speed production capabilities of traditional printing. The Importance of the Ink Supply System: The Lifeline of Print Quality In UV Single Pass printers, the ink supply system is not only the pipeline that delivers ink to the printheads, but also the key to ensuring stable print quality. In high-speed, long-term continuous production industrial environments, the stability and reliability of the ink supply system directly affect: * Color consistency * Printhead lifespan * Production continuity * Overall operating costs etc. Siphon Ink Supply System: Basic Principles and Limitations Siphon ink supply relies on the gravity of the ink itself and the atmospheric pressure difference to achieve ink flow. This system is relatively simple and is more commonly used in low-speed or small-to-medium-sized printers. Main Features: * Relatively simple structure * Lower initial investment cost * Relies on the physical properties of the ink Limitations in high-speed printing: Insufficient pressure control accuracy: The siphon system struggles to maintain constant negative pressure, leading to uneven ink flow and affecting printing quality; Poor high-speed adaptability: Ink supply is prone to fluctuations during high-speed Single Pass printing; Bubble problems: Prone to generating bubbles, affecting print quality and printhead lifespan; High maintenance requirements: Requires more frequent maintenance to ensure system stability; Negative Pressure Ink Supply System: Designed specifically for high-speed industrial printing The negative pressure ink supply system actively regulates the ink supply pressure through a precisely controlled negative pressure device, ensuring stable and uniform ink delivery to each printhead. Why is negative pressure ink supply more suitable