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What to pay attention to when choosing a thermal transfer printer
In recent years, the application of thermal transfer printers in the baking industry has become more and more mature, especially when installed on pillow packaging machines and vertical packaging machines (fillings) for moon cakes, biscuits, bread and other snack foods. Print the nutrition ingredient list, ingredient list, barcode (including QR code), product name and production date on the packaging film. Replace the traditional ink roller coding machine and hot stamping machine. This equipment is the first choice for manufacturers in the baking industry.
Thermal transfer coding machine, using TTO thermal transfer coding technology, is used for coding directly on flexible packaging. In pillow packaging, the packaging material must be coded while the film is moving. Its high resolution enables the print head to print text, graphics, batch numbers, real-time dates and barcodes.
The code generated by the thermal transfer printer should usually be read along the end seal direction (horizontal) in order to make full use of the ribbon. Since the nozzle is perpendicular to the moving direction of the package, printing in other directions will only use a part of the ribbon, unless the code is a long code or the industrial inkjet printer has a radial ribbon saving function. The radial ribbon saving function allows the company to use the entire ribbon width and prompts that the coding position is within the ribbon width, but it will be different for each product.
One of the main advantages of thermal transfer printers is to provide high-resolution content, because the most advanced thermal transfer printers can print with a resolution of 300 dots per inch (DPI) Or 12 dots/mm.
The thermal transfer printer must be directly integrated with the packaging equipment. Therefore, when purchasing a thermal transfer printer, you should carefully consider the integration of a new thermal transfer printer with a new or existing pillow packaging machine. Although the functions may be the same, pillow packaging machines of different manufacturers have different configurations and may require special brackets and other accessories. Therefore, it is very important to find a company with appropriate experience and accessories to complete seamless integration.
Regardless of the profit of the product, achieving daily production goals is crucial, and any unplanned downtime that causes production to stall must be reduced or eliminated. Therefore, bakery companies should look for thermal transfer printers designed to achieve the longest uptime and lower total cost of ownership. Compared with other inkjet coding technologies, thermal transfer printers are extremely reliable and require minimal maintenance, and some thermal transfer printers can make full use of the ribbon in the printer, thus saving ribbons and reducing The downtime required to replace the ribbon on the production line. In addition, the ribbon replacement cycle can be extended by using a longer ribbon. Since any thermal transfer printer needs to replenish the ribbon, you should choose a printer that is easy to replace the ribbon.
Pillow packaging of bakery products is generally not suitable for excessively fast production speeds. However, some products still exceed the speed that thermal transfer printers can achieve. The linear speed exceeds 1,000 millimeters per second and the packaging speed exceeds 350 packages per minute, which is the working limit of most thermal transfer printers. The speed limitation of the thermal transfer printer is mainly due to the cycle time required for the working principle of its jet printing. Various processes must be carried out in the thermal transfer coding machine to ensure consistent and precise control of the entire printing process, which can make the small package products on the pillow packaging machine quickly ready for the thermal transfer coding machine Coding.
The thermal transfer printer is an ideal printing solution for pillow packaging, suitable for most products. The thermal transfer printer can print high-resolution codes on flexible films without solvents and residues. For applications that exceed the speed limit of thermal transfer printers, small character printers and laser printers can meet most coding requirements. The small character cij printer is the most widely used cij printer, which can print almost any packaging type in any production environment, but it needs to use ink and solvent, and the coding quality is lower than thermal transfer printers and laser coding. machine. Laser coding machines can use limited consumables to print clear, consistent and permanent codes, but they cannot be used for all packaging types.
Each packaging application is different and requires specific technologies to meet special requirements. Before determining the best printer, it is important to understand the unique needs of the application and the advantages of various technologies.
Focus on thermal transfer printers, small character cij printers, laser printers and other coding and marking equipment and anti-counterfeiting traceability systems to provide customers with overall product coding and marking solutions. Welcome customers and partners to contact us for related services.
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