This month's Spotlight Feature Article focuses on the hard-rock cutting space – a segment of the market that is evolving with the use of more flexible variations of tunnel boring machines, roadheaders and new types of undercutting technologies. IM speaks to the sector's major players – OEMs, contractors and mining companies – and ...

CRCMining's Oscillating Disc Cutter (ODC) has been successfully trialled by Joy Global with, the organisation says, "outstanding results. A step-change technology for cutting very hard rock with lightweight equipment, ODC could potentially replace batch drill and blast processes with dynamic continuous rock cutting.".

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A review of hard-rock cutting equipment technology development at Anglo American and Anglo Platinum The Southern African Institute of Mining and Metallurgy MPES 2015 – Smart Innovation in Mining November 9, 2015 This paper reviews the progress of a portfolio of several technology development projects in the area of hard-rock cutting currently ...

The solution consists of the innovative hard rock cutter, the MN330, able to operate in stopes up to 1.5 m high, and a Hencon blower/conveyor system that …

New hard rock cutting technology from . As part of the trend towards faster underground hard rock development, particularly for large block cave development, has launched a new hard rock cutting machine at MINExpo 2012, with trials of a finished prototype expected to commence "within months.". The company states: "Coal ...

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Laboratory rock-cutting tests2.1. Experimental equipment. ... Study on optimum free-face condition of cutting hard rock with tunnel boring machine hob. Periodica Polytechnica Civil Engineering, 65 (2) (2021), pp. 510-521, 10.3311/PPci.17567. View in Scopus Google Scholar [30]

Our range of mechanical industrial cutting equipment includes electrically powered and track-mounted bolter miners for constructing and securing roadways, continuous miners and borer miners for continuous extraction of coal and soft minerals, boxhole borers for boring circular passages, reef miners for low-profile mining, roadheaders for underground …

LM: There are many various OEMs entering the market with hard-rock cutting equipment. All of them approach the problem a little bit differently, so it is difficult for one company to trial all of the options. At the same time, we are trying to leverage these new technologies and processes across the industry for a mechanical cutting type of …

Numerical and experimental analyses. Fig. 2 shows the cutting rig of a collimated abrasive water jet cutter. The collimating pipe without the reflected board is fixed on the base frame of the rig, the target material of rock is fixed on the moving platen driven by hydrodynamic equipment with stepless speed regulation.

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This paper describes the influence of high-power microwave irradiation on the forces needed to cut granite with a conical pick. Granite samples have been irradiated with 24 kW at 2450 MHz with an open ended waveguide. The effect of microwave treatment was assessed by linear cutting tests with a conical pick.Microwave irradiation lead to an …

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10 Sets Rock Splitter, 3/4 inch Diameter with 2 inch Depth Drill Hole Fitted Stone Splitting Tools, Spring Steel Wedge and Feather Shims Hand Tools for Masonry, Concrete Marble Granite Cutting. 1. $2983 ($2.98/Item) FREE delivery Fri, Apr 19 on $35 of items shipped by Amazon. Or fastest delivery Wed, Apr 17.

Undercutting disc technology combines the robustness and wear resistance of roller discs (mainly used on TBMs) with the efficacy of drag cutters (used on road-headers) in one …

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24″-48″ BBC-60 DCH. Disc Cutter Heads Up to 30,000 psi. Manufactured in multiple sizes, Barbco Disc Cutter Heads are a game charger when in comes to drilling in hard rock ground conditions. Equipped with multiple cutters on the face, these cutting heads are capable of tackling even the toughest ground conditions. *FOR SALE & RENT*.

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2.1 Experimental Apparatus and Rock Sample Parameters. In order to carry out the high-pressure abrasive water jet cutting extremely hard rock test, granite and anorthosite materials with different strengths were selected for this test, as shown in Fig. 1.In terms of rock type, granite is very typical hard rock often encountered in TBM …

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hard rock cuting equipment . T23:01:40+00:00. We sell cutting equipment Hard Rock Concrete . Apr 13, 2016 2246398825 / [email protected] THE TOOLS YOU NEED TO GET THE JOB DONE Hard Rock can provide your company with stateofthe . Estimated Reading Time: 1 min;

A Hard rock trench cutting machine includes a main body assembly, a cutter wheel assembly, and a longitudinal thrust assembly. Go to Product Center. Hard rock trench cutting machine, A hard rock trench cutting machine includes a main body assembly, a cutter wheel assembly, and a longitudinal thrust assembly. The main body assembly …

Apex Badger Pick 18". If you are looking for a rockhounding tool that is not an Estwing, there is the Apex Badger Pick 18" (Amazon link). This pick is smaller than the one above and weighs around 2.6 pounds. Most of the reviews for this pick reveal that it is highly heavy-duty and maintains a 5-star review status.