Page 96 - 《橡塑技术与装备》英文版2026年1月

HINA R&P TECHNOLOGY AND EQUIPMENT

costs, which severely restrict the improvement of production improving curing efficiency and product quality, and reducing
efficiency and the reduction of costs. With the continuous energy consumption and maintenance costs. At the same time,
maturity of electromagnetic heating technology, more and electromagnetic heating technology can also be combined
more tire manufacturing enterprises have begun to recognize with intelligent and automated technologies to achieve remote
its unique advantages, such as rapid heating, high thermal monitoring and intelligent control of equipment, further
efficiency, and precise temperature control. Therefore, applying enhancing production efficiency and safety.
electromagnetic heating technology to the renovation of old
tire shaping and curing presses is of great significance for 2 Analysis of traditional structure and
improving curing efficiency, reducing energy consumption, and elaboration of electromagnetic heating
lowering production costs. principle
The transformation utilizing electromagnetic heating 2.1 Introduction to the structure and
technology not only significantly enhances the heating principle of traditional steam external heating
efficiency and temperature control precision of equipment, but Traditional tire shaping and curing presses typically
also effectively reduces energy consumption and maintenance utilize steam heating. The external temperature section is
costs. By optimizing the layout and heat dissipation mainly composed of components such as the upper and lower
methods of electromagnetic heating coils, the vulcanization heat plates, mold sleeves, and steam pipes. The steam pipes
efficiency and product quality can be further improved. transport high-temperature steam to the upper and lower
Furthermore, electromagnetic heating technology also heat plates, as well as the mold sleeves of the curing press,
possesses characteristics of environmental protection, energy transferring heat to the tire mold and the tire itself. The upper
conservation, and sustainable development, fully aligning and lower heat plates are generally made of metal, with internal
with the development trends and requirements of the tire steam flow channels designed, and possess good thermal
manufacturing industry. conductivity and high temperature resistance. The outside of
1.3 Practical application of electromagnetic the mold is equipped with a heat preservation shield. In all-
heating technology in tire vulcanization steel radial tire shaping and curing presses, a significant portion
Electromagnetic heating technology is a kind of heating is mechanical structure. Taking the 65-inch mechanical tire
method based on the principle of electromagnetic induction, shaping and curing press as an example, the specific structure
which converts electrical energy into thermal energy. In the of the curing chamber is shown in Figure 1.
process of tire curing, electromagnetic heating technology
can achieve precise heating of tire molds. This heating
method has significant advantages such as rapid heating, high
thermal efficiency, and precise temperature control, which can
significantly improve curing efficiency and product quality.
External temperature electromagnetic heating of the curing
press involves using electromagnetic heating technology to
heat the upper and lower hot plates as well as the mold sleeve
of the mold, and then transferring the heat to the tire mold and
1-Upper support plate; 2-Mold mounting screw; 3-Upper heat insulation plate;
the tire itself through these components. 4-Upper heating plate; 5-Upper shield; 6-Lower shield; 7-Lower heating plate;
The application of electromagnetic heating technology in 8-Lower heat insulation plate; 9- Base table panel;
tire curing has been widely recognized and promoted. Many 10-Upper heating plate mounting screw; 11- Lower heating plate mounting screw
Figure 1 Traditional steam heating structure
tire manufacturing and curing press manufacturing enterprises
have applied it in the research and development of new The traditional structure is characterized by the upper
equipment and the renovation of old equipment, effectively heating plate and the upper heat insulation plate being fixed

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