Understanding Flexo Printing Machine Types and Functions

Flexo printing, commonly referred to as flexographic printing, is an efficient and cost-effective method widely used in the printing industry. This versatile printing technology is particularly well-suited for label and narrow web printing. In this article, we will explore the different types of flexo printing machines, their functions, and their applications within the industry.

Separate Two Color Flexo Printing Machine

Components of a Flexo Printing Machine

Understanding the key components of a flexo printing machine is crucial to understanding how these machines work. The following are the main components:

Anilox Roller: This roller transfers ink from the ink cartridge to the plate cylinder. The anilox roller's surface is textured with tiny cells that hold and release precise amounts of ink.

Cavity-Enhanced Doctor Blade: This component ensures a constant, controlled flow of ink to the anilox roller. It also helps remove excess ink from the cylinder surface.

Plate Cylinder: The plate cylinder carries the printing plate, which bears the image to be printed. The plate is made of flexible material and is bonded to the cylinder via adhesive or magnetic mounting.

Impression Cylinder: This cylinder presses the substrate against the plate cylinder, ensuring proper ink transfer and image reproduction.

Applications of Flexo Printing

Flexo printing is widely used across industries due to its versatility and efficiency. Here are some common applications:

Labels: Flexo printing is ideal for producing high-quality labels for products in the food, beverage, and pharmaceutical industries. Its ability to print on a variety of substrates makes it a top choice for label printing.

Packaging: The packaging industry relies heavily on flexo printing for printing flexible packaging materials such as plastic bags, mailing bags, and wrapping paper. CI presses are particularly well-suited for this application.

Corrugated Cardboard: Flexo printing is used to print graphics and text on corrugated cardboard, enhancing the packaging's visual appeal and branding.

Labels and Tickets: The versatility of tandem printing presses makes them suitable for printing labels, tickets, and other small-format products.

Technological Innovations in Flexo Printing Machines

As technology continues to advance, so too does the technological innovation of flexo printing machines. In recent years, the application of new technologies such as servo drive technology, digital control technology, and intelligent technology has significantly improved the performance of flexo printing machines. Servo drive technology enables flexo printing machines to achieve higher printing precision and faster speeds; digital control technology makes flexo printing machines easier to operate and achieve more stable printing results; and intelligent technology enables flexo printing machines to automatically identify materials and adjust parameters, significantly improving production efficiency.

Furthermore, the drying system of flexo printing machines is undergoing continuous technological innovation. Traditional hot air drying systems are gradually being replaced by UV drying systems. UV drying systems not only dry materials faster but also significantly reduce energy consumption, making them more environmentally friendly.

In 2025, as environmental awareness continues to grow and the market demand for paper bags surges, investing in paper bag machines has become a popular choice for numerous enterprises. However, with a wide array of brands available, making the right decision has become crucial. Here are several paper bag machine brands that hold great investment potential.

W&H

As a century - old brand in the industry, W&H, belonging to Windmöller & Hölscher Machinery (Taicang) Co., Ltd., has been at the forefront since its establishment in 1869. With a profound historical heritage and continuous technological innovation, W&H paper bag machines are renowned for their outstanding quality and stability. Their equipment can efficiently produce various sizes and styles of paper bags, ranging from ordinary shopping bags to high - end luxury bags, meeting diverse market demands. Advanced manufacturing processes and strict quality control have earned W&H paper bag machines an extremely high reputation worldwide, making them the ideal choice for enterprises aiming for high - quality, large - scale production.

NEWPORT

NEWPORT, a brand under King Bag Machinery (Shanghai) Co., Ltd., is also a leading player in the industry. This brand has focused on the paper bag machine field for many years and accumulated rich experience and technical advantages. NEWPORT paper bag machines boast excellent performance, stable operation, and ease of use. Their design fully considers production efficiency and cost - effectiveness, enabling enterprises to increase output while effectively reducing production costs. Whether for new entrants to the paper bag production industry or established manufacturers seeking equipment upgrades, NEWPORT can provide reliable solutions.

NEWLONG

The NEWLONG brand of Newlong Packaging Machinery (Beijing) Co., Ltd. also enjoys high visibility in the industry. As an established brand, NEWLONG has always been committed to providing customers with high - quality packaging machinery, and its paper bag machines are no exception. The paper bag machines of this brand adopt advanced technology and precise manufacturing processes, ensuring the production quality and accuracy of paper bags. In addition, NEWLONG attaches great importance to customer service and provides users with comprehensive after - sales support, eliminating concerns during equipment use.

ZENBO

ZENBO, a brand of Zhejiang Zenbo Intelligent Machinery Co., Ltd., has witnessed rapid development in recent years. As a national specialized and sophisticated "little giant" enterprise, Zenbo Machinery focuses on the global single - sheet paper bag machine field. At the 11th Beijing International Printing Technology Exhibition in May 2025, Zenbo Machinery showcased seven new bag - making machines, four of which were global premieres. For example, the Premium V200, tailored for global high - end packaging users, features the same V - bottom process as luxury paper bags, enabling one - machine completion of all bag - making processes with a seamless bag surface. The Teng - T180, on the other hand, addresses the pain point of low production efficiency for enterprises, with a speed twice that of traditional machines. Zenbo Machinery continues to innovate, offering a rich product range. It has covered more than 70 countries and regions globally, with its market share ranking among the top three. It is a high - quality brand that cannot be overlooked when investing in paper bag machines.

FANGBANG

The FANGBANG brand also has a certain influence in the paper bag machine field. Its products are recognized by the market for their long - standing brand experience and stable quality. FANGBANG paper bag machines can meet a variety of paper bag production needs, whether common shopping paper bags or those with special design requirements, all can be produced efficiently. Moreover, this brand focuses on the cost - performance ratio of its equipment, providing enterprises with an economical and practical investment option.

NanJiang

NanJiang is also a well - known brand on the list. Its paper bag machine products perform outstandingly in terms of performance and quality. NanJiang constantly optimizes product design and improves the automation level of equipment, making the production process more efficient and stable. Enterprises that invest in NanJiang paper bag machines can enhance production efficiency while ensuring product quality, thereby strengthening their market competitiveness.

SUNHOPE

The SUNHOPE brand's paper bag machines also hold a certain market share in the industry. This brand is dedicated to researching and developing and producing high - quality paper bag machine equipment. By continuously improving technology and processes, it enhances the performance and reliability of the equipment. SUNHOPE paper bag machines are easy to operate and have a low maintenance cost, making them suitable for investment by various paper bag production enterprises.

KORO

As a growing brand, KORO's paper bag machine products also exhibit unique advantages. This brand focuses on technological innovation and product quality improvement, constantly launching new models that meet market demands. KORO paper bag machines are competitive in price while ensuring equipment performance and stability, providing enterprises with cost - effective investment solutions.

ZNEP

The ZNEP brand's paper bag machines are also favored by many enterprises in the market. Its products have good performance and high production efficiency, capable of meeting the production needs of enterprises of different scales. ZNEP attaches importance to product research and development and upgrading, continuously improving the functions and quality of the equipment, and providing users with high - quality paper bag production solutions.

HONGYING

HONGYING is one of the well - known brands in the paper bag machine industry. The paper bag machines of this brand are known for their stable performance and reliable quality. HONGYING continues to increase R & D investment, enhancing the automation level and production accuracy of the equipment, enabling the production of high - quality paper bag products. For enterprises looking to improve product quality and production efficiency, HONGYING paper bag machines are a good investment choice.

When investing in paper bag machines, choosing these brands can provide enterprises with more reliable equipment support and broader development space.

Xinke is one of the excellent paper bag machinery manufacturers in China. It has been committed to the research and development and production of paper bag machines. We have more than 20 years of experience in the machinery industry. During this period, we have continuously introduced high-tech, continuously developed new products with higher quality and efficiency that meet market demand, If you want to know more, you can contact us at any time

In today's fiercely competitive packaging and printing industry, selecting an efficient, eco-friendly, and high-performance printing solution is crucial for businesses to gain a competitive edge. As a leading Chinese manufacturer with over 20 years of expertise in paper bag machinery research, development, and production, Xinke Machinery is dedicated to providing top-tier flexo printing machine solutions. Here are five key reasons why flexo printing machines stand out as your optimal choice.​

Separate Two Color Flexo Printing Machine

1. High Efficiency for Enhanced Productivity​

Flexo printing machines feature advanced sleeve-type plate rollers and rapid plate-changing technology, reducing single plate replacement time to within 15 minutes—an over 40% efficiency improvement compared to traditional printing equipment. Xinke's independently developed intelligent tension control system, combined with servo motor drive technology, balances printing speed and registration accuracy seamlessly. With a maximum printing speed of 300 meters per minute, it meets the demands of large-scale order fulfillment. For paper bag manufacturers, this efficiency means the ability to handle more orders during peak seasons and minimize equipment idle costs through flexible scheduling in off-seasons, driving both productivity and profitability.​

2. Green & Sustainable: Aligning with Industry Trends​

As the "Double Carbon" goal progresses and consumer environmental awareness grows, the green transformation of the packaging and printing industry is imperative. Flexo printing machines use water-based and UV inks that are free of volatile organic compounds (VOCs), eliminating pollution at the source. Xinke's equipment is equipped with advanced ink recycling systems and waste gas treatment devices, achieving an ink utilization rate of over 95% and emissions compliant with GB 38507-2020 Limits of Volatile Organic Compounds (VOCs) Content in Inks. Choosing flexo printing machines is not only a response to policy calls but also an investment in building a green brand image—especially vital for industries with strict packaging requirements like food and pharmaceuticals.​

3. Superior Quality for Exquisite Printing​

The embossed plate characteristics of flexo printing enable delicate graphic presentation on various materials, including paper, film, and non-woven fabrics. Xinke's flexo printing machines are equipped with high-resolution laser engraving platemaking systems and automatic registration detection, controlling registration errors within ±0.05 mm. This ensures precise reproduction of design，from gradient color transitions to fine text lines. Notably, addressing common issues like wrinkles and uneven ink in paper bag printing, our machines feature intelligent deviation correction and adaptive pressure adjustment, ensuring every batch meets export-grade quality standards and helping clients establish a reputation for excellence in high-end markets.​

4. Flexible Adaptability for Diverse Needs​

The modern packaging market trends toward small batches, multi-variety, and personalized production—and flexo printing machines excel in meeting these demands. Supporting a printing width range of 100–1500 mm, they effortlessly switch between mini shopping bags and large industrial packaging. Through modular design, Xinke's machines can integrate post-processing units such as varnishing, lamination, and die-cutting, forming a "printing + processing" one-stop production line. For the customized needs prevalent in e-commerce packaging, the equipment supports rapid pattern import and parameter settings, enabling "one-click switching" between orders and gaining a competitive edge in the personalized market.​

5. Professional Service for Continuous Operation​

With two decades of machinery manufacturing experience, Xinke Machinery understands the critical role of after-sales service. We have established a nationwide technical support network with a 7×24-hour response mechanism, ensuring on-site troubleshooting within 48 hours. For operation and maintenance, we provide free on-site training and lifetime technical consultation to help clients build professional equipment management teams. Additionally, we maintain a 95% inventory of common spare parts and utilize a digital supply chain for rapid，minimizing downtime to an industry-low level. Choosing Xinke's flexo printing machines means acquiring not just equipment, but a worry-free solution covering the entire lifecycle.​

Conclusion​

From high efficiency and sustainability to quality assurance, adaptability, and professional service, flexo printing machines are driving the upgrade of the packaging and printing industry through their multi-dimensional advantages. Xinke Machinery remains committed to "technological innovation driving industrial upgrading," continuously optimizing equipment performance and service systems. If you're seeking a printing solution that meets future challenges, visit our official website www.thinkermachine.com to explore more details. Let's embark on a new journey of intelligent printing together.