av ep | 30. des. 2025 | Hydrauliske sylindere – bruksområder
Det er en spesifikk type stillhet som oppstår inne i kutterkammeret til en tunnelboremaskin (TBM) når hoveddrevet er slått av. Det er tungt. Du står foran en 400 tonns stålflate som ikke vil noe mer enn å rotere på grunn av tyngdekraften og...
av ep | 30. des. 2025 | Hydrauliske sylindere – bruksområder
Deep in the world of engineering machinery, particularly with those powerhouse tunnel boring machines or TBMs as we fondly call them, we’ve come across countless scenarios where the muck bin discharge gate cylinder plays a pivotal role in keeping things...
av ep | 30. des. 2025 | Hydrauliske sylindere – bruksområder
You are three kilometers deep into a tunnel drive, the humidity is near 100%, and the air smells like wet cement and hydraulic fluid. The TBM is pushing forward, and the most critical operation happening at the tail skin isn’t just the cutting—it’s the...
av ep | 30. des. 2025 | Hydrauliske sylindere – bruksområder
In the demanding realm of engineering machinery, especially with those massive tunnel boring machines we know as TBMs, we’ve observed over the years how a sturdy hydraulic cylinder truly shines in the segment erection system. These assembly cylinders face...
av ep | 30. des. 2025 | Hydrauliske sylindere – bruksområder
You are 500 meters into a drive, the ground conditions have just shifted from clay to abrasive granite, and suddenly the operator reports a pressure drop in Zone B. You check the propulsion system and see it: the trunnion ear on the number 12 cylinder has cracked, or...
