Results 11 to 20 of about 260,516 (241)

Research and implementation of monitoring system of disc cutter rotation speed

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing
The disc cutter is a main cutter to break rock in the Tunnel Boring Machine (TBM), but its abnormal state will increase the wear and may even cause the damages to the cutter head. But the cutter wear can only detect the limit of tool use, Therefore, real-
Xinyi DUAN, Hao LAN, Yumei LI, Bo LI
doaj   +2 more sources

Prediction of wear life of shield disc cutter in complex formations based on genetic programming

open access: yesGong-kuang zidonghua, 2018
In process of shield tunneling in complex formation, wear of disc cutter is extremely serious and service life is hard to predict, and influence factors of the disc cutter wear are multi-dimensional and uncertain.
QIAO Jinli   +3 more
doaj   +2 more sources

Study on disc cutter chipping of TBM based on field data and particle flow code simulation

open access: yesUnderground Space, 2023
Using tunnel boring machines to excavate high-strength intact rock masses is becoming more common. Due to the interactions between disc cutters and rocks, abnormal wear of disc cutters, especially cutter chipping, has become a common phenomenon. Existing
Yadong Xue   +4 more
doaj   +2 more sources

Study on Characteristics of Tool Wear and Breakage of Ultrasonic Cutting Nomex Honeycomb Core with the Disc Cutter

open access: yesApplied Sciences, 2023
Ultrasonic cutting is an advanced technology for processing Nomex honeycomb materials. The disc cutter is one of the most commonly used tools, whose wear and breakage state have an important impact on the honeycomb material machining process.
Leilei Li   +5 more
doaj   +2 more sources

Rock Crushing Analysis of TBM Disc Cutter Assisted by Ultra-High-Frequency Loading

open access: yesShock and Vibration, 2022
In the construction of mountain tunnels, the increasing proportion of hard rock stratum enhances the difficulty of rock breaking by tunnel boring machine (TBM). As a type of cyclic load with ultrahigh frequency, ultrasonic vibration has the advantages of
Dajun Zhao   +6 more
doaj   +2 more sources

Influence of Cutter Ring Structure on Rock-Breaking Force and Efficiency of TBM Disc Cutter Based on Discrete Element Method

open access: yesBuildings
Understanding the combined effects of edge width and cutter ring shape on the rock-breaking performance is critical for optimising disc cutter design.
Juan-Juan Li   +5 more
doaj   +2 more sources

Multiobjective Optimization Design for Structural Parameters of TBM Disc Cutter Rings Based on FAHP and SAMPGA

open access: yesAdvances in Civil Engineering, 2019
As a key component of tunnel boring machines (TBMs), the disc cutter ring and its structural parameters are closely related to the TBM tunneling quality. Literature review shows that investigations on optimization design methods for cutter ring structure
Laikuang Lin, Yimin Xia, Dun Wu
doaj   +2 more sources

Gear Cutting Machining of Klingelnberg Cyclo-palloid Bevel Gear based on Monolithic Cutter Disc

open access: yesJixie chuandong, 2018
In order to manufacture the Klingelnberg cyclo-palloid bevel gear on domestic CNC spiral bevel gear cutting machine,the processing method with monolithic cutter disc is researched. Based on the cutting principle of cyclo-palloid bevel gear,the processing
Wang Zhiyong   +3 more
doaj   +2 more sources

Computational simulation of the intervertebral disc [PDF]

open access: yes, 2013
The intervertebral disc is a complex structure unlike any other in the human body. The capability to withstand high loads and deformations in six degrees of freedom is facilitated by the unique soft tissue structures. However, the mechanical behaviour of
Luxmoore, Bethany Jane
core   +6 more sources

Determination of contact temperature on cutting disc during rock destruction [PDF]

open access: yesE3S Web of Conferences, 2020
During the destruction of rocks by disc cutters the question of their operation without water cooling is arising. To implement this an approach to determining the temperature of the disk cutter is considered in the article. The calculations of heating of
Kuznetsov Vladimir   +3 more
doaj   +1 more source

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