monitoring of cutting tools in tbm‘s - sfb...
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H E R R E N K N E C H T A G | U T I L I T Y T U N N E L L I N G | T R A F F I C T U N N E L L I N G
Monitoring of cutting tools in TBM‘S
Thomas Edelmann | Herrenknecht AG
Tunnelbauforschung in Leoben, Schwanau und Bochum
Workshop am 30.09.2013, Ruhr Universität Bochum)
H E R R E N K N E C H T A G | U T I L I T Y T U N N E L L I N G | T R A F F I C T U N N E L L I N G
CONTENT
A. Introduction
B. Cutting tools
C. Monitoring
D. Monitoring systems
E. Inspection systems
F. Cutting tool change
G. Summary
05.07.2013Page 2 T. Edelmann (Herrenknecht AG) | Tunnelbauforschung in Leoben, Schwanau und Bochum
H E R R E N K N E C H T A G | U T I L I T Y T U N N E L L I N G | T R A F F I C T U N N E L L I N G
A. INTRODUCTION
30.09.2013 T. Edelmann (Herrenknecht AG) | Tunnelbauforschung in Leoben, Schwanau und BochumPage 3
Softground TBM: EPB TBM / MIX SHIELD TBM
Monitoring of Softground and Hard rock tools / cutter heads is different
Softground:
• Wear
• Rotation
H E R R E N K N E C H T A G | U T I L I T Y T U N N E L L I N G | T R A F F I C T U N N E L L I N G
A. INTRODUCTION
Page 4
HARD ROCK TBM:
T. Edelmann (Herrenknecht AG) | Tunnelbauforschung in Leoben, Schwanau und Bochum30.09.2013
Hard rock:
• Damages indicated by indirect sensors
• Cutter load to limit risk
H E R R E N K N E C H T A G | U T I L I T Y T U N N E L L I N G | T R A F F I C T U N N E L L I N G
A. INTRODUCTION
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Cutting tools:
Overview of tolls at different cutting wheels:
T. Edelmann (Herrenknecht AG) | Tunnelbauforschung in Leoben, Schwanau und Bochum30.09.2013
H E R R E N K N E C H T A G | U T I L I T Y T U N N E L L I N G | T R A F F I C T U N N E L L I N G
C. Monitoring
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What does monitoring mean?
Weardetection
Cutter discsconditions
Online loadmeasuring
Online wearmeasuring
Visualinspection
SG toolswith weardetection
Hard rock Load measuring ofdisc cutters Softground
Remotecontrolledrobot in SG
Cutter headwear
detection.Softground Direct Indirect Cleaning of
cutter head
IndirectDisc cutter
weardetection
Inspection ofCutterhead/tools
Looking forwear limits
Indicationof tool
conditions
Looking for loadlimits, Geotechnical
indicationsAvoid compressedair interventions
Informationsand reactions
T. Edelmann (Herrenknecht AG) | Tunnelbauforschung in Leoben, Schwanau und Bochum30.09.2013
H E R R E N K N E C H T A G | U T I L I T Y T U N N E L L I N G | T R A F F I C T U N N E L L I N G
D. MONITORING SYSTEMS
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Soft ground tool monitoring
T. Edelmann (Herrenknecht AG) | Tunnelbauforschung in Leoben, Schwanau und Bochum30.09.2013
Indication for high wear ordamaged tools / cutter head
H E R R E N K N E C H T A G | U T I L I T Y T U N N E L L I N G | T R A F F I C T U N N E L L I N G
D. MONITORING SYSTEMS
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Disc Cutter Rotation Monitoring (DCRM):
System structure:
Hard rock TBMs Hydroshield TBM withaccessible cutting wheel
T. Edelmann (Herrenknecht AG) | Tunnelbauforschung in Leoben, Schwanau und Bochum30.09.2013
H E R R E N K N E C H T A G | U T I L I T Y T U N N E L L I N G | T R A F F I C T U N N E L L I N G
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Disc Cutter Rotation Monitoring (DCRM):
Signal transmission on hard rock machines:
Power supply throughrotary coupling.
Signal transmission tothe operator cabin.
Emission of radiosignals.
T. Edelmann (Herrenknecht AG) | Tunnelbauforschung in Leoben, Schwanau und Bochum30.09.2013
D. MONITORING SYSTEMS
H E R R E N K N E C H T A G | U T I L I T Y T U N N E L L I N G | T R A F F I C T U N N E L L I N G
F. CHANGE
F. Köppl (Herrenknecht AG) | International workshop on cutting tool – soil interaction (Ruhr Universität Bochum ,SFB 837)Page 10
Accessible cutter heads:
Individual tools are equipped with pressure locks for atmospheric change
30.09.2013
H E R R E N K N E C H T A G | U T I L I T Y T U N N E L L I N G | T R A F F I C T U N N E L L I N G
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Disc Cutter Load Monitoring (DCLM):
System structure:
Sensor plates(piezo-resistive)
Thrustforce
Cuttingforce
T. Edelmann (Herrenknecht AG) | Tunnelbauforschung in Leoben, Schwanau und Bochum30.09.2013
D. MONITORING SYSTEMS
H E R R E N K N E C H T A G | U T I L I T Y T U N N E L L I N G | T R A F F I C T U N N E L L I N G
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Disc Cutter Wear Monitoring (DCWM):
System structure for Hydroshield TBM with accessible cutterheads:
Ultrasonicsensors
Test rig withbentonite
30.09.2013
D. MONITORING SYSTEMS
T. Edelmann (Herrenknecht AG) | Tunnelbauforschung in Leoben, Schwanau und Bochum
H E R R E N K N E C H T A G | U T I L I T Y T U N N E L L I N G | T R A F F I C T U N N E L L I N G
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Disc Cutter Wear Monitoring (DCWM):
Test system measurement results:
020406080
100120140160180200
0 100 200 300 400 500 600Sens
orab
stan
d v.
Sch
neid
ring
[mm
]
Messung Nr.
159,5159,7159,9160,1160,3160,5
550 560 570 580 590
30.09.2013
D. MONITORING SYSTEMS
T. Edelmann (Herrenknecht AG) | Tunnelbauforschung in Leoben, Schwanau und Bochum
H E R R E N K N E C H T A G | U T I L I T Y T U N N E L L I N G | T R A F F I C T U N N E L L I N G
E. INSPECTION
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Assisted tool inspection:
System structure:
Extendible inspection robot in tube garage
Assembly of the garage between pressure wall and submerged wall
Opening towards the excavation chamber
30.09.2013 T. Edelmann (Herrenknecht AG) | Tunnelbauforschung in Leoben, Schwanau und Bochum
H E R R E N K N E C H T A G | U T I L I T Y T U N N E L L I N G | T R A F F I C T U N N E L L I N G
E. INSPECTION
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Assisted tool inspection:
Application on Hydroshield TBM:
Pressurewall
Submergedwall
Water jet,light &camera
Endoscope
30.09.2013 T. Edelmann (Herrenknecht AG) | Tunnelbauforschung in Leoben, Schwanau und Bochum
H E R R E N K N E C H T A G | U T I L I T Y T U N N E L L I N G | T R A F F I C T U N N E L L I N G
F. CHANGE
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Assisted & automated cutting tool change:
Support structure & manipulator:
30.09.2013 T. Edelmann (Herrenknecht AG) | Tunnelbauforschung in Leoben, Schwanau und Bochum
H E R R E N K N E C H T A G | U T I L I T Y T U N N E L L I N G | T R A F F I C T U N N E L L I N G
G. SUMMARY
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Hardrock TBM Hydroshield TBMEPB TBM
Direct /Indirectmonitoring
Existing systems Existing systems
Cutterconditions DCRM – Hard rock DCRM – FSP, DCRM – SG under development
Online loadmeasuring DCLM – Prototyp available (see S. Barwart)
Online wearmeasuring manually DCWM – Prototyp in validation
Visualinspection manually Prototype under development
Tool change:Assitance system under progress. Status: initial studies.Automated system under progress. Status: initial studies.
30.09.2013 T. Edelmann (Herrenknecht AG) | Tunnelbauforschung in Leoben, Schwanau und Bochum
H E R R E N K N E C H T A G | U T I L I T Y T U N N E L L I N G | T R A F F I C T U N N E L L I N G
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Thank you for yourattention!
30.09.2013 T. Edelmann (Herrenknecht AG) | Tunnelbauforschung in Leoben, Schwanau und Bochum