Results 11 to 20 of about 2,788 (256)

Development and Performance Evaluation of an Integrated Disc Cutter System for TBMs

open access: yesApplied Sciences, 2021
Changing the cutter is an essential procedure in tunnel boring machine (TBM) operations. The danger and low efficiency of manually replacing the disc cutter has led engineering equipment designers to study technologies to automate the changing of cutters.
Zhichao Meng   +4 more
doaj   +1 more source

The comparative analysis of rocks’ resistance to forward-slanting disc cutters and traditionally installed disc cutters [PDF]

open access: yesActa Mechanica Sinica, 2015
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Zhang, Zhao-Huang, Fei, Sun, Liang, Meng
openaire   +1 more source

Study on temperature and wear behavior of disc cutter in cutting coal rock

open access: yesMeitan xuebao, 2023
The heat generation mechanism, wear behavior and quantitative relationship between cutting load and coal rock characteristics of the interaction between the cutting tool of mining machinery and coal rock mass, are the keys in solving the wear failure ...
Chunsheng LIU   +6 more
doaj   +1 more source

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   +1 more source

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

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   +1 more source

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   +1 more source

Mechanization and Automation. Wear Characteristics of Disc Cutter and a Method for Disc Cutter Life Improvement.

open access: yesShigen-to-Sozai, 1996
In order to improve disc cutter life on TBMs, a series of studies, which consistedof investigation on wear characteristics of disc cutters in situ, construction of a wear model for disc cutters and suggestion of a method for disc cutter life improvement, were conducted.From the examination and analysis of disc cutter wear on TBMs in two tunneling sites,
NISHIZAWA, Izumi, MITANI, Norio
openaire   +2 more sources

Rock-Breaking Laws of Disc Cutters with Different Height Differences in Hard Rock Strata

open access: yesAdvances in Civil Engineering, 2022
When shield machine traverses through hard rock mass, disc cutters will be abraded to different degrees. Excessive height difference exists between adjacent disc cutters, which critically affects the rock-breaking efficiency.
Zelin Lu   +5 more
doaj   +1 more source

Dynamic Analysis and Parameter Optimization of the Cutting System for Castor Harvester Picking Devices

open access: yesApplied Sciences, 2023
Our study aimed to identify a design which would reduce cutting resistance during the harvesting of castor. This paper presents a theoretical study of the wave-type disc cutter, which plays an important role in castor harvesting.
Fanting Kong   +7 more
doaj   +1 more source

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