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Design Optimization of TBM Disc Cutters for Different ...

2015-11-17  As the key component installed on the cutter head of TBMs, a disc cutter (hereinafter referred to as a cutter) commonly consists of a cutter ring, a hub, a pair of tapered roller bear- ings and others (see Figure 1), of which the cutter ring directly interacts with rock and therefore plays a vital role in tunnel excavation.

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Theoretical prediction of wear of disc cutters in tunnel ...

2019-2-1  During tunnel excavation in rocks, full-face rock tunnel boring machine (TBM) has been widely used due to the rapid tunneling capacity. However, the performances of the TBMs are significantly influenced by the wear characteristics and geometry of cutters, which affect the efficiency of energy transfer to rock and the maximum penetration rate.

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TBM Cutters For Tunnel Boring Machine - litechtools

Litian provides tunnel boring machine disc cutters for various tunnel excavations and underground works. Provide optimal configurations of TBM disc cutters according to different geological characteristics, allowing users to achieve a better balance between cost and efficiency.

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Tunnel Boring Machine TBM Disc Cutter

High quality Tunnel Boring Machine TBM Disc Cutter factory from China, China's leading Tunnel Boring Machine TBM Disc Cutter product market, With strict quality control Shield Cutter factories, Producing high quality Shield Cutter products.

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TBM Disc Roller 508mm 483mm TBM Cutter Tunnel Boring

TBM Disc Roller 508mm 483mm TBM Cutter Tunnel Boring Machine. Litian provides TBM shield disc cutters for various tunnels and underground projects. Our cutters can meet the needs of many types of projects, meet the requirements of long-distance tunneling under the conditions of strong weathering, weak weathering, micro-weathering, etc.

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Remote Disc Cutter Monitoring in Tunnelling - tunnel

2011-8-1  Remote Disc Cutter Monitoring in Tunnelling The wireless TBM analysis goes underground now. How it is used on site and how the remote disc cutter monitoring of Robbins works is shown in this article. Monitoring TBM cutter wear without accessing the cutting face was once something discussed as a future goal in tunneling.

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A Numerical Investigation of TBM Disc Cutter Life ...

2021-8-17  hard rocks and that of disc cutters. Disc cutter wear is an important effective factor involved in the functionality of tunnel boring machines. Replacement of disc cutters is a time-consuming and costly activity that can significantly reduce the TBM utilization and advance rate, and has a major effect on the total time and cost of the tunneling

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Numerical and experimental investigation of rock

2018-10-9  With the rapid development of tunnel engineering, tunnel boring machines (TBMs) are widely used in tunnel excavation due to their high excavation efficiency, excellent safety and less ground disturbance [1, 2]. TBM disc cutters are the most efficient and most popular cutting tool to cutting rock in hard rock grounds. And the TBM performance and efficiency are heavily dependent on the rock breaking characteristics induced by disc cutter.

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Introducing an empirical model for prediction of disc ...

2021-3-4  Mechanized tunneling using a tunnel boring machine (TBM) is the preferred method to construct sufficiently long tunnels. Disc cutters are the main cutting tools used on rock TBM cutterheads and are installed in a pattern based on the site geology and ground conditions along the alignment.

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TBM Cutters For Tunnel Boring Machine - litechtools

Litian provides tunnel boring machine disc cutters for various tunnel excavations and underground works. Provide optimal configurations of TBM disc cutters according to different geological characteristics, allowing users to achieve a better balance between cost and efficiency. Litian heavy industry has a complete technical team of TBM cutting ...

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TBM Disc Roller 508mm 483mm TBM Cutter Tunnel Boring

TBM Disc Roller 508mm 483mm TBM Cutter Tunnel Boring Machine. Litian provides TBM shield disc cutters for various tunnels and underground projects. Our cutters can meet the needs of many types of projects, meet the requirements of long-distance tunneling under the conditions of strong weathering, weak weathering, micro-weathering, etc.

Get Price

Design Optimization of TBM Disc Cutters for Different ...

A novel optimization methodology for the disc cutter designs of tunnel boring machines (TBM) was presented. To fully understand the characteristics and performance of TBM cutters, a comprehensive list of performance parameters were investigated, including maximum equivalent stress and strain, specific energy and wear life which were closely related to the cutting forces and profile geometry of ...

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Remote Disc Cutter Monitoring in Tunnelling - tunnel

Monitoring TBM cutter wear without accessing the cutting face was once something discussed as a future goal in tunneling. This advancement is now near reality with a new remote cutter monitoring system for hard rock TBMs, developed Robbins. The system, now in full-scale testing, allows the TBM operator to monitor vibration data, cutter

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Wear Analysis of Disc Cutters of Full Face Rock Tunnel ...

2017-8-27  with the prediction of disc cutters’ life in the field). This paper puts forth a new method concerning prediction of life span and wear of TBM disc cutters as well as timing for replacing disc cutters. Keywords: full face rock tunnel boring machine, disc cutter, radial wear coefficient, axial wear coefficient, trajectory wear coefficient

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Cutting Tool Advancements for long Tunnel Drives and ...

The first disc cutters, just 11.5 inches in diameter, were produced by Robbins for the Humber River Sewer Tunnel TBM in 1956. Quelle/credit (2): Robbins. Larger diameter cutters have become the industry standard in recent decades because of their increased wear volume and longer cutter

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The Current State of Disc Cutter Design and

2017-5-31  LARGE DIAMETER, HARD ROCK DISC CUTTER DEVELOPMENT In the early days of hard rock tunnel boring, TBMs were being employed primarily in weak to moderate strength sedimentary formations. The first success-ful use of disc cutters was on the Robbins main beam TBM 910-101 in 1952 on the Oahe Dam project in South Dakota where the machine exca-

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TBM Tool Wear Analysis for Cutterhead Configuration

2018-6-29  TBM Technology 1 139 clay, sand/gravel, and till, with special mentioning of till contacts. Case study project 1 includes an EPB TBM with ripper-type tools as primary cutting tools supple - mented by disc cutters in gauge positions as well as scrapers. The tunnel alignment was excavated in clay and till. Significant differences in the tool wear ...

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Introducing an empirical model for prediction of disc ...

2021-3-4  Disc cutters wear and need to be replaced when using tunnel boring machines (TBMs) to excavate through rock, often becoming a high ticket item on the list of consumables in tunneling operation. The empirical models used for predicting cutter life are commonly based on the properties of intact rock, while the impact of rock mass characteristics on cutter wear is often ignored or not properly ...

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Numerical and experimental investigation of rock

2018-10-9  ground disturbance [1, 2]. TBM disc cutters are the most efficient and most popular cutting tool to cutting rock in hard rock grounds. And the TBM performance and efficiency are heavily dependent on the rock breaking characteristics induced by disc cutter.

Get Price

Design Optimization of TBM Disc Cutters for Different ...

A novel optimization methodology for the disc cutter designs of tunnel boring machines (TBM) was presented. To fully understand the characteristics and performance of TBM cutters, a comprehensive list of performance parameters were investigated, including maximum equivalent stress and strain, specific energy and wear life which were closely related to the cutting forces and profile geometry of ...

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A practical TBM cutter wear prediction model for disc ...

2019-3-1  As is shown in Fig. 3, the model based on the operational principle of TBM, and experimental disc cutters are scaled to 1/10 of the actual cutter, Fig. 3a shows the TBM disc cutter of 43.2 cm. Fig. 3b shows the experimental disc cutter of 4.32 cm. The small size cutter and rock samples are assembled in a fixed position on the host system of the model (Fig. 4a).

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Wear Analysis of Disc Cutters of Full Face Rock Tunnel ...

2017-8-27  with the prediction of disc cutters’ life in the field). This paper puts forth a new method concerning prediction of life span and wear of TBM disc cutters as well as timing for replacing disc cutters. Keywords: full face rock tunnel boring machine, disc cutter, radial wear coefficient, axial

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Cutting Tool Advancements for long Tunnel Drives and ...

The first disc cutters, just 11.5 inches in diameter, were produced by Robbins for the Humber River Sewer Tunnel TBM in 1956. Quelle/credit (2): Robbins. Larger diameter cutters have become the industry standard in recent decades because of their increased wear volume and longer cutter

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Analysis of disc cutter damage and consumption of TBM1 ...

2019-3-1  Disc cutter is the most important rock cutting tool in a Tunnel Boring Machine (TBM). When a TBM excavates, the disc cutters mounted on the cutter head are propelled forward by thrust provided by an oil cylinder and pressed into the rock. Cracks initiate and propagate under the increasing pressure of cutter penetration (Zhang et al., 2018 ...

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Large-Diameter 20-Inch Disc Cutters: A Comparison of

2017-7-10  Large-Diameter 20-Inch Disc Cutters 257 manufactured by different suppliers. Data on disc cutter consumption was not made available for the entirety of each tunnel but we were able to obtain sufficient data that some interesting trends were observed. Table 2 illustrates the distances over which disc cutter consumption data were obtained.

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TBM Tool Wear Analysis for Cutterhead Configuration

2018-6-29  TBM Technology 1 139 clay, sand/gravel, and till, with special mentioning of till contacts. Case study project 1 includes an EPB TBM with ripper-type tools as primary cutting tools supple - mented by disc cutters in gauge positions as well as scrapers. The tunnel alignment

Get Price

Introducing an empirical model for prediction of disc ...

2021-3-4  Disc cutters wear and need to be replaced when using tunnel boring machines (TBMs) to excavate through rock, often becoming a high ticket item on the list of consumables in tunneling operation. The empirical models used for predicting cutter life are commonly based on the properties of intact rock, while the impact of rock mass characteristics on cutter wear is often ignored or not properly ...

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Tunnel Boring Machines - Kawasaki Heavy Industries, Ltd.

Cutter disk shapes for different types of ground Either fl at or dome-shaped cutter can be selected according to the characteristics of soil such as density, size and strength of gravels, boulders and rocks. Selection of cutter disk There are two types of cutter disk. One is a disk-front-crushing-type (mainly used for Slurry Shield

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Numerical and experimental investigation of rock

2018-10-9  ground disturbance [1, 2]. TBM disc cutters are the most efficient and most popular cutting tool to cutting rock in hard rock grounds. And the TBM performance and efficiency are heavily dependent on the rock breaking characteristics induced by disc cutter.

Get Price