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China's first EB (electron beam) pre-vulcanization device has been successfully applied
in the all-steel radial tire production line of Shuangqian Group (Jiangsu) Tire Co.
, Ltd.
At the appraisal meeting, the application technology project of EB pre-vulcanization device in all-steel radial tires jointly completed by Shuangqian Group and Wuhan Jiurui Electric Co.
, Ltd.
passed the appraisal
.
The review experts believe that the project fills the application gap of China's EB pre-vulcanization device in all-steel radial tires, and the technology has reached the domestic leading and international advanced level
.
Shuangqian Group is the first listed tire enterprise in China and occupies an important position in the tire industry; Wuhan Jiurui Electric Co.
, Ltd.
is the only high-tech enterprise
in China focusing on the research and development of EB prevulcanization device and its application technology.
With the joint efforts of both parties, China's first EB pre-vulcanization device and its application technology have been successfully applied
in the all-steel radial tire production line of Shuangqian Group (Jiangsu) Tire Co.
, Ltd.
According to reports, EB pre-vulcanization technology has been widely used in foreign tire industries and is one of the core technologies for the green production of
radial tires.
This technology acts on the tire parts through the high-energy electron beam excited by the EB pre-vulcanization device, thereby activating the rubber macromolecules in the rubber material, generating the active radicals of the rubber macromolecules, and further cross-linking of C-C bonds between the rubber macromolecules to form a three-dimensional network structure, so as to improve the physical and mechanical properties of
the tire parts.
However, EB pre-vulcanization technology has been monopolized by foreign companies for a long time, and the equipment procurement and operation costs are extremely high
.
Foreign companies also take confidentiality measures against domestic tire enterprises, which makes it difficult for EB pre-vulcanization process to be applied in practical applications and produce benefits
in domestic tire enterprises.
The lack of EB pre-vulcanization process restricts the technological upgrading and industrial development of
the domestic tire manufacturing industry.
After years of independent research and development, and combined with the production status of domestic tire enterprises, Wuhan Jiurui Electric Co.
, Ltd.
has developed a new generation of domestic EB pre-vulcanization device
with completely independent intellectual property rights.
In 2013, the domestic EB pre-vulcanization device was successfully applied
in the semi-steel radial tire production line.
In 2014, they cooperated with Shuangqian Group to carry out successful
research on EB pre-vulcanization application technology in the field of all-steel radial tire manufacturing.
In the actual production process, after multiple batches and long-term operation testing, the performance of EB prevulcanization device is better than similar foreign devices, the tire product testing data are better than the national standard, and the key performance indicators have increased by more than 30%, far exceeding the expected target
.
(Kyrgyzstan)