As we all now that, when do the sublimation transfer printing need use of a heat press calender to execute the sublimation process. While both devices are designed to transfer images to a substrate through heat and pressure, each sources heat through different methods.
heat press machine
For dye sublimation printing, a heat press or calender may be used.
Heat presses calender use aluminum heated by an electric heater, so the temperature is not even across the plate. A rotary or calender heat press is designed to affix heat or cure printed fabrics in three ways—continuously from a roll, sheet, or cut pieces. You can invest in a machine which handles all three applications or in one that just presses roll to roll. Calenders use two drums, either heated with oil or an electrical IR rod inserted in the drum. The speed of these machines is dictated by the size of the drum and consistency of the heating element.
heat press
The calender process includes feeding material over or under a rotary drum. Widths vary between 45 and 122 inches, with large custom orders possible. Drum diameters vary from eight up to 55 inches and larger. Drum size is related to speed. The larger the drum, the faster production speeds can be achieved. However, calenders are limited to only flexible media making them ideally suited for flags, banners, and apparel production.
heat press
Rotary heat press consist of a series of hard pressure rollers that finish or smooth a sheet of material like paper, textiles, or plastics. It’s also used to form plastic films and apply coatings. These devices are designed for R2R sublimation, typically for textiles.
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