Abstract
Sublimation trasnfer machine's hot roller, a compression type electronic heater, is made of ceramic core which is wrapped with nickel-chromium alloy heater. This roller is insulated with magnesium oxide. When the power is on, the heat is generated. Heat transfers are from high temperature area to low temperature area, and it causes the non-uniform temperature surface and the roller surface distorsion. Such effects always increase with larger diameter of the roller and longer the roller. In order to predict the sublimation transfer machine's roller temperature distribution and validate it, we construct the roller's 3D temperature model and use ANSYS steady state heat transfer analysis module to calculate the power dissipation and simulate it. Final data shall help us to design sublimation transfer machines' roller.
Highlights
The phenomenon whereby that the solid materials are directly transferred into the gaseous phase by bypassing the liquid phase at a certain temperature and pressure are called sublimation
Sublimation transfer printing is a technology used to enable the direct transfer of dyes in sublimation inks from the solid into the gaseous phases by heating and pressurizing, through the condensation in the solid phase to form graphics and text
This study aims to the electrically heated hot roller’s design and the calculation about power to keep well the hot roller’s shell mechanism, have a good allowable thermal
Summary
The phenomenon whereby that the solid materials are directly transferred into the gaseous phase by bypassing the liquid phase at a certain temperature and pressure are called sublimation. Sublimation transfer printing is a technology used to enable the direct transfer of dyes in sublimation inks from the solid into the gaseous phases by heating and pressurizing, through the condensation in the solid phase to form graphics and text. This technology is known as gas transfer printing [1]. There are no detachable protective and bonding layers when the printed materials are transfer-printed [2]. During the sublimation transfer printing process, the printing layer and the receiving and accommodation layers of the printed materials must be kept under the compact attaching pressure to ensure good transferred printed graphics and text [3]
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