Cutter wear mechanisms in hard rock tunnel boring
Sign Up to like & getrecommendations! Published in 2018 at "Geomechanik Und Tunnelbau"
DOI: 10.1002/geot.201800003
Abstract: Cutter consumption and parameters such as cutter ring wear has a great relevance in the final excavation time and cost in hard rock tunnel boring machines (TBMs), especially in hard rock conditions. Cutter wear involves… read more here.
Keywords: rock tunnel; hard rock; cutter wear; cutter ring ... See more keywords
Effects of Jointed Rock Mass and Mixed Ground Conditions on the Cutting Efficiency and Cutter Wear of Tunnel Boring Machine
Sign Up to like & getrecommendations! Published in 2018 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-018-1667-y
Abstract: The cutting efficiency and wear of tunnel boring machine (TBM) cutters are two important parameters commonly used to estimate the boring performance and lifetime of the TBM in the tunneling process. These problems have been… read more here.
Keywords: cutting efficiency; rock mass; cutter wear; cutter ... See more keywords
The Derivation and Validation of TBM Disc Cutter Wear Prediction Model
Sign Up to like & getrecommendations! Published in 2018 at "Geotechnical and Geological Engineering"
DOI: 10.1007/s10706-018-0540-9
Abstract: The problem of disc cutter wear is inevitable when shield or TBM excavating hard rock for a long distance, thus, the study of disc cutter wear model has an important project value on predicting its… read more here.
Keywords: disc cutter; cutter wear; model; cutter ... See more keywords
Disc Cutter’s Rock Breaking Ability and Wear Resistance in Extremely Hard Rock: A Case Study in Qinling Tunnel of Han River to Wei River Water Diversion Project
Sign Up to like & getrecommendations! Published in 2019 at "Geotechnical and Geological Engineering"
DOI: 10.1007/s10706-019-00950-w
Abstract: Contraposing the problem of cutter wear and other issues in TBM boring in erosive and hard strata, this paper analyzes the boring parameters and cutter wear amount in the trial 2 km of TBM section in… read more here.
Keywords: han river; disc cutter; tunnel han; qinling tunnel ... See more keywords
Analyses of dynamic characteristics and structure optimization of tunnel boring machine cutter system with multi-joint surface
Sign Up to like & getrecommendations! Published in 2017 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-016-3038-0
Abstract: There will be structural failure in the cutter system with different degrees due to the vibration of cutters. Moreover, in the extreme environment, the dynamics behavior of the cutter system is hard to predict, and… read more here.
Keywords: vibration; cutter system; optimization; cutter ... See more keywords
A field parameters-based method for real-time wear estimation of disc cutter on TBM cutterhead
Sign Up to like & getrecommendations! Published in 2021 at "Automation in Construction"
DOI: 10.1016/j.autcon.2021.103603
Abstract: Abstract In hard rock TBM tunneling, the loss caused by disc cutter wear accounts for a large proportion of time and cost for the entire project. However, existing disc cutter wear prediction models mainly focus… read more here.
Keywords: disc cutter; field parameters; real time; cutter ... See more keywords
Improving tool life in multi-axis milling of Ni-based superalloy with ball-end cutter based on the active cutting edge shift strategy
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Materials Processing Technology"
DOI: 10.1016/j.jmatprotec.2017.09.010
Abstract: Abstract In milling of hard-to-cut materials such as Titanium and Ni-based superalloy, tool wear increases rapidly and the tool life can be as short as a few minutes. Moreover, tool wear will influence the workpiece… read more here.
Keywords: active cutting; cutting edge; edge; cutter ... See more keywords
Partition-based five-axis tool path generation for freeform surface machining using a non-spherical tool
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Manufacturing Systems"
DOI: 10.1016/j.jmsy.2020.12.004
Abstract: Abstract Freeform surfaces are widely used in many industries for various purposes, and multi-axis CNC machining is the most adopted method for machining them due to its high accuracy and flexibility. The prevailing type of… read more here.
Keywords: freeform surface; surface; tool; cutter ... See more keywords
Shock transmission through universal joint of cutter suction dredger
Sign Up to like & getrecommendations! Published in 2021 at "Ocean Engineering"
DOI: 10.1016/j.oceaneng.2021.109185
Abstract: Abstract The dredger operation extended from protected water to harsher environments in recent years. This resulted in a change in design strategy. Understanding these complex dynamic interaction during the dredging operation using a Cutter Suction… read more here.
Keywords: suction dredger; cutter; cutter suction; dredger ... See more keywords
Comparative analysis cutting characteristics of stinger PDC cutter and conventional PDC cutter
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2019.106792
Abstract: Abstract The Stinger PDC cutter has a better performance than the conventional PDC cutter drilling for hard, interbedded and highly abrasive rocks. Although researchers have investigated the cutter's characteristic, such as impact resistance, wear resistance… read more here.
Keywords: stinger pdc; conventional pdc; pdc cutter; cutter ... See more keywords
Tool path generation for five-axis machining of blisks with barrel cutters
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Production Research"
DOI: 10.1080/00207543.2018.1470344
Abstract: A barrel cutter has a cutting segment with a large radius on its profile, and this arc segment allows the cutter to tilt away from the part surface, avoiding the collisions of the tool with… read more here.
Keywords: barrel cutters; path generation; barrel; five axis ... See more keywords