As the days of new products are getting closer and closer, Jinan Heavy Industries has a busy scene in the shield machine production workshop. After the “Opening No. 1†is accepted, it will be put into the construction interval of Wangfuzhuang Station on the R1 line of Jinan Metro, which will help Jinan Metro’s “speed increaseâ€.
It is understood that this composite earth pressure balance shield machine has an excavation diameter of 6.68 meters, a total length of 85 meters, and a total weight of more than 500 tons. It is safe, reliable, well-equipped, powerful, and has perfect performance. All technical indicators have reached the domestic level. Leading level, with independent intellectual property rights, will not only play a demonstration role in Shandong Province and even China, but will also lead another leap in the development of subway shield technology, which will effectively increase the level of China's equipment manufacturing industry and major equipment core competitiveness. It is of great significance to improve the effectiveness of railway engineering and accelerate the construction of intercity railways, urban subways, and national railway networks in China's urban agglomerations.
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Unlike many other bearings, Integral Shaft Bearings do not have an inner ring and instead work off of an inner race that is machined directly into the internal shaft. So what exactly makes up an integrated shaft bearing? Product specifications include:
• Chrome or stainless steel spindle shaft
• Thorough hardened chrome steel for outer race
• Chrome steel balls
• Steel or nylon cage designs available
• Steel shields closures as well as synthetic rubber, metal encased rubber, and metal encased labyrinth seals
• Soft shaft and engineered specials available
INTEGRAL SHAFT BEARING FEATURES
Due to their design, integral shaft bearings are very compact, allowing for either two rows of balls or a row of balls and a row of rollers. Our bearings are pre-packed with lubricant to ensure a long lifespan and are sealed to resist contamination.
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