Bad screens can stop a TBM machine mid-shift, jeopardizing the safety of your tunnel crew and the overall project. It's clear that high-quality screens are essential for maintaining safety and ensuring that machines operate efficiently. In Kuala Lumpur, improved systems allowed the tunnel boring machine to maintain its progress. CEGC applies these valuable lessons to every TBM tunnel boring machine and Microtunnelling Machine project.
Key Takeaways
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Good screens are very important for tunnel boring machines to work safely and well. Check the screens often so you do not have expensive delays.
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Watch for warning signs like screens that flicker or go blank. Finding screen problems early can stop big issues during work shifts.
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Use different ways to take care of screens so they keep working. This careful plan helps stop sudden shutdowns and keeps the project moving.
Screens in Tunnel Boring Machines
What Are Screens?
You use screens every time you work with a tunnel machine. Screens are digital displays that show live data from the TBM tunnel boring machine, auger boring machine, or Microtunnelling Machine. These screens tell you about things like machine speed, pressure, alignment, and ground conditions. You look at them to check how your equipment is doing and how far your tunnel drive has gone.
Screens let you see inside the machine. They gather data from sensors and systems inside the TBM machine. You get alerts, warnings, and performance numbers on these screens. If a screen stops working, you lose important information. Bad screens can stop a TBM machine in the middle of a shift because you cannot make safe or smart choices without good data.
Role in TBM Operation
You need screens to keep your tunnel boring machine working well. Screens help you find problems before they get worse. For example, you can notice if the pressure goes down or if the cutter head gets slower. You can act fast when the ground changes.
Tip: Always look at your screens before and during your shift. Good screens help you avoid expensive delays and keep your crew safe.
Screens also help you talk with your team. When everyone sees the same data, you can work together and fix problems as a group. In today’s tunnel projects, screens are very important for safety, working well, and finishing the project.
Bad Screens Can Stop a TBM Machine Mid-Shift
Operational Disruptions
Bad screens can stop a TBM machine in the middle of a shift. This happens because you lose important data. If a screen breaks, you cannot see what is happening with your tunnel boring machine right now. You might not notice if tools are wearing out or if the ground changes. This can cause many problems:
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The machine works slower
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You spend more money fixing things
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You have to stop and check by hand
You need screens to watch disk cutters and other tools. Most tool system failures happen because of tool wear. If you cannot see tool wear, the machine can get damaged. You might have to stop work and check tools by hand. Every time you stop, the project gets slower and takes longer. Bad screens can stop a TBM machine in the middle of a shift. You must fix the screen before you can keep working.
Note: CEGC helps fast when screens break. They send help and spare parts quickly. This way, your tunnel machine can start working again soon.
Safety Shutdowns
Bad screens can stop a TBM machine in the middle of a shift by making the system shut down for safety. Your tunnel crew needs good data to stay safe underground. If a screen turns off or shows wrong numbers, you might not see warnings about high pressure, gas leaks, or if the machine is not lined up right. The system might turn off the TBM machine by itself to stop accidents.
You have to trust your screens to keep everyone safe. If you cannot see the data, you cannot make smart choices. Emergency shutdowns keep your team safe, but they also stop the work. You need good screens to stop extra shutdowns and finish your project on time.
Communication Failures
Bad screens can stop a TBM machine in the middle of a shift by making it hard for your team to talk. Screens show data that everyone uses to work together. If a screen breaks, operators, engineers, and supervisors might not see the same things. This can make people confused and cause mistakes.
You need to talk clearly to fix problems fast. If screens do not work, you might have to use radios or tell people by hand. This takes more time. CEGC learned from big projects that acting fast is important. Fixing and changing screens quickly keeps your tunnel boring machine running and your team working together.
Tip: Always look at your screens before you start work. If you find problems early, you can stop big delays.
Bad screens can stop a TBM machine in the middle of a shift. But with good support and care, you can keep your tunnel machine working.
Signs and Prevention
Warning Signs
You can find screen problems early if you know what to check. Some warning signs are flickering screens, slow loading, or blank displays. You might also see error messages or missing numbers. If colors look strange or lines show up, act fast. These signs usually mean a bigger problem is coming soon. Bad screens can stop a TBM machine during a shift, so do not ignore these signs.
Tip: If you see any of these warning signs, tell your supervisor or maintenance team right away.
Maintenance Tips
You can stop most screen failures with good care. Use a mix of time-based, condition-based, and data-driven maintenance. Here is a simple guide:
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Maintenance Practice |
Description |
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Check screens at set times. Change parts before they break. |
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Condition Based Maintenance |
Watch for changes in how screens work. Fix problems as soon as you see them. |
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Data-Driven Maintenance |
Use old data about failures to plan repairs at the best time. |
Doing regular maintenance keeps your tunnel machine working and cuts down on lost time.
Inspection Routines
Check screens before every shift. Look for cracks, loose wires, or water damage. Clean screens with the right tools so you do not scratch them. Use a checklist so you do not forget anything. Checking and fixing screens quickly helps you avoid sudden stops. When you follow these steps, you keep your TBM tunnel boring machine safe and working well.
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Practice Description |
Impact on TBM Stoppages |
|---|---|
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Regular checks and fast repairs help screens last longer. |
There are fewer failures and less lost time for your TBM. |
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Condition-based steps fix problems before they get worse. |
You avoid emergency stops and keep your project moving. |
You can stop TBM stoppages if screens work well. Taking care of screens early helps your tunnel machine and keeps your project on track.
Doing regular maintenance saves money later. It also helps your equipment work better and lets you finish faster.
CEGC gives you help from big projects. Find out more at cegcequip.com.
FAQ
What was the largest TBM machine diameter used on the Crossrail project?
A TBM machine with a 7.1 meter diameter was used on Crossrail.
This big size made it possible to build tunnels under London safely and quickly.
How many TBM machines are currently active on the Brenner Base Tunnel?
There can be up to five TBM tunnel boring machines working at the same time on the Brenner Base Tunnel.
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Project |
Active TBMs |
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Brenner |
5 |
Has a Microtunnelling Machine ever been used on a project over 300 meters in a single drive?
Yes, a Microtunnelling Machine can be used for drives longer than 300 meters.
Engineers in Singapore finished several long drives for the DTSS project.
