Shield seals
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The sealing of the tunnel boring machine is one of the key components, serving as a protective barrier for critical parts such as the main bearings of the tunnel boring machine.
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Due to the special nature of the shield tunneling machine equipment, if the main bearing is damaged during excavation, it cannot be replaced inside the tunnel.
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Due to the special nature of the shield tunneling machine, if the main bearing is damaged during excavation, it cannot be replaced inside the tunnel. Once the main bearing is damaged, it not only affects the progress of the project but also causes significant economic losses.
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The shield tunneling machine's seal must have good sealing performance, stability, and a long service life to prevent mud, water, and debris from entering the main bearing during construction and causing damage.
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Ethylene Propylene Diene Monomer (EPDM) Seals: Basic Characteristics and Manufacturing Process
Ethylene Propylene Diene Monomer (EPDM) is a type of synthetic rubber that is copolymerized from ethylene, propylene, and a small amount of non-conjugated diene. Its unique molecular structure endows EPDM with various excellent physical and chemical properties, making it an ideal material for manufacturing high-performance seals.
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