After several months of intensive construction, equipment commissioning, and mold remodeling, the first 45/65-45L-5/G-24 giant tire of Fengshen Tire Co., Ltd. using a new capsule curing process was successfully rolled off last week. The success of the giant engineering tyre capsule shaping machine was successful.
Compared with the water-bath vulcanization, the capsule vulcanization has unparalleled advantages in the tubeless engineering large tire and giant tire vulcanization. Since Fengshen Tire Co., Ltd. trial-produced the first tank-vulcanized engineering tire 20.5-25 in January 2006, the scale of the capsule-vulcanized engineering tire has gradually expanded.
In recent years, the rapid growth in market demand has led to the development of large-scale tire producers in China from three to four in 2003 to more than a dozen at present, and the capacity has also expanded exponentially. The vast majority of new engineering giant tires use the machine model integrated capsule curing process. Although this technology has less investment and quick results, the appearance of the tire is better, but it also has its own insurmountable defects. Due to the low pressure of the upper and lower molds, the large side of the crown is serious, and at the same time, the loss of heat is also large due to the external mold. For this reason, Fengshen Tire launched the giant tire can-type capsule vulcanization reform in June 2007, and proposed a new process using capsules and high-pressure vulcanizing cans: on the one hand, it fully explores the unique advantages of capsule curing, and on the other hand, it strives to avoid the Inherent defects in capsule vulcanization. In the specific implementation process of the project, Fengshen Tire first reformed and expanded the giant tire plant, and at the same time added two C-shaped capsule shaping machines for the sizing of giant engineering tires.
At present, 45/65-45 tires with canned bladders have been put into mass production, and 24.00-35 and 36.00-51 will be put into operation one after another.
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