• Contact Us

    Contact Us. Looking for a price quote or to speak with us for details? If you'd prefer, call us now at 1-814-466-7134 (EST). Email us at infoalpine-aec.

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  • A model to predict the performance of roadheaders based on

    given cutting power, cutting rates of roadheaders decreased dramatically with increasing values of rock compressive strength7–12. Copur et al. (1997, 1998) stated that if the power and the weight of the roadheaders were considered together, in addition to rock compressive strength, the cutting rate predictions were more realistic1,13.

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  • alpine rock grinder

    alpine twin drum axial soil mixer and blender model: dh 4 b on375 alpine roadheader type rock grinder installed on 345 cutting caliche in las . alpine grinding mill for marble soap stone -

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  • Alpinecutter Keyword Found Websites Listing

    Rock Grinder Cutter Head Blog Alpine Sales and Rental. Blog.alpinecutter DA: 21 PA: 4 MOZ Rank: 26. This blog is a resource for research, how-to's, and general news regarding rock grinders, transverse cutter heads, roadheaders, and alternatives to hydraulic hammers.

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  • rock cutting and mine machine 」

    Rock Rascal Lapidary Equipment for Grinding and Cutting. It flushes sludge from rock easily, degreases easily and sludge settles in the saw tank well. Comes in a one gallon plastic jug. Coolant fluid for cutting or grinding. $8.00. Tool Cool. A heavy duty water soluble synthetic cutting and

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  • A paradigm shift

    May 09, 2017A 300-kilowatt cutting motor drives twin rotating cutter heads that are manoeuvred by a large hydraulically-operated boom. Wieser, who's operated smaller roadheaders from predecessors Voest-Alpine and Dosco in previous projects, estimates some of the hardest black limestone Drill Tech has encountered at Cortez to be in the 12,000

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  • Estimation of Specific Energy and Evaluation of Roadheader

    Jul 31, 2021Conical picks are the essential cutting tools used especially on roadheaders, continuous miners and shearers and their cutting performance affects directly the efficiency and the cost of rock

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  • Road grinding machine rock

    alpinecutter - ALPINE Roadheaders and Rock Cutters Alpine specializes in rock concrete cutting attachments, roadheaders, and soil mixing equipment. For

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  • rock/concrete grinder

    Sep 11, 2013Rock sculpting and grinding tools can also be pneumatic, or air-powered. Put our proven excavator mounted transverse cutting unit (tcu) rotary rock grinding equipment years of operating experience to work for you today! Home – Eagle Rock Concrete Grinding Polishing. alpinecutter – Concrete Grinder

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  • Comparative studies on the performance of a roadheader

    The results of this study show that machine utilization time is 28.2% for roadheader and 14.2% for impact hammers. Average net cutting rates (NCR) are 32.26 m 3 /h for roadheader (218.3 m 3 /day), net breaking rate (NBR) 13.1 m 3 /h (45 m 3 /day) for impact hammers and production rate with drill and blast method (DB) is found to be 187 m 3 /day.

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  • AQ

    AQ-4 DESCRIPTION. The AQ-4 hydraulic drum cutter head is Antraquip's most popular model of cutters as it is designed to operate on mid-size excavator and is capable of providing excellent production in hard rock and other heavy duty applications. This rotary hydraulic cutter head is used in a variety of diverse and challenge applications. Recommended excavators/carrier size class: 25-45 tons

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  • ROCKWHEEL ROCK CONCRETE GRINDERS

    The Rockwheel line from Alpine incorporates the latest developments in hydraulic rotary cutting technology. Commonly referred to as "drumcutters", "cutterheads", or "rock grinders" this is a must-have attachment if you're involved with rock excavation, trenching, mine

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  • Roadheaders for mining

    roadheaders are equipped with powerful, geometrically optimized cutter heads, which are designed to continuously excavate roadways, tunnels and other underground caverns without using explosives. These electro-hydraulic machines cause no harmful vibrations and are ideal for mining coal and other soft rock minerals as well as for developing tunnels in ore mines.

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  • Rock

    Aug 09, 2007Rock Cutter Head Service Rock Cutter Attachement For . Alpine maintains a full service shop to handle repairs, refurbishment and customization of all Alpine products; Our technicians will troubleshoot and repair cutter heads in our Bellefonte shop or come to your job site to get you back on track; Alpinecutter DA: 16 PA: 28 MOZ Rank: 55

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  • Used Roadheaders

    Alpine Sales Rental Corp. 801 Pleasant View BLVD, Bellefonte, PA. 16823 USA. PHONE: +1-814-355-0040 | FAX: +1-814-355-0046 | EMAIL: infoalpinecutters

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  • AQ

    AQ-4 DESCRIPTION. The AQ-4 hydraulic drum cutter head is Antraquip's most popular model of cutters as it is designed to operate on mid-size excavator and is capable of providing excellent production in hard rock and other heavy duty applications. This rotary hydraulic cutter head is used in a variety of diverse and challenge applications. Recommended excavators/carrier size class: 25-45 tons

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  • Antraquip

    Antraquip is a leading manufacturer of excavation machinery for the mining, tunneling and general construction industries. Specifically Antraquip offers its AQM line of roadheaders, AQ hydraulic rock cutting attachments (i.e. drum cutters, transverse cutting units, twin headers and rock grinders) and a new advanced line of diamond-tipped rock saw attachments.

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  • soil grinder equipment

    Jul 09, 2013alpinecutter – ALPINE Roadheaders and Rock Cutters Alpine specializes in rock concrete cutting attachments, roadheaders, and soil mixing equipment. For over 40-years we have provided innovative, cost-effective

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  • rock concrete grinder

    alpinecutter - ALPINE Roadheaders and Rock Cutters . Alpine specializes in rock concrete cutting attachments, roadheaders, and soil mixing equipment. For over 40-years we have provided innovative, cost-effective

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  • Rock Cutting Machines

    alpine rock cutters / soil mixers / roadheaders – alpine Alpine specializes in rock concrete cutting attachments, roadheaders, and soil mixing equipment. For over 40-years we have provided innovative, cost-effective

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  • Roadheader

    Jan 01, 2020Mechanical rock and coal excavation machines, such as roadheaders, drum shearers and continuous miners, excavate rock material using a number of picks mounted on their cutting heads or drums. The shape of the cutting head and the configuration of the picks influence the performance of roadheaders.

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  • cutter soil mixing equipment

    Soil Mixers Alpine Soil Mixing Products alpinecutter Our soil mixers are used in a variety of mixing projects and offer unmatched versatility and scalability. We recognize that each mixing project is unique and that a one-size-fits-all approach is a thing of the past.

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  • Some geological and geotechnical factors affecting the

    Nov 01, 2004They reported that for a given cutting power, cutting rates of roadheaders decreased dramatically with increasing values of rock compressive strength. Copur et al., 1997, Copur et al., 1998 stated that if the power and the weight of the roadheaders were considered together, in addition to rock compressive strength, the cutting rate predictions

    Get Price
  • Arch. Min. Sci., Vol. 57 (2012), No 4, p. 1015–1026

    for milling type roadheaders Where L c denotes as cutting performance (m/hr), and c as the uniaxial compressive strength (MPa). Based on rock compressive strength and rock quality designation, Bilgin et al. (1988, 1990, 1996, 1997, 2004) had also developed a performance equation as: ICR = 0,28 P (0,974)RMCI (3) RMCI = σ c (RQD/100)2

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  • Hautau Tube Cutoff Systems, LLC

    Contact to Learn More. Phone: Phone: 765-647-1600 Fax: 765-647-1620 11199 State Rt. 101 Brookville, IN 47012

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  • Geological limits in roadheader excavation

    roadheaders has reached a level, at which they are used to an increasing extent, not only in soft rock but also in hard rock. The increasing use of this tool in tunnelling also demonstrates some spec ific problems and limits - in hard and abrasive rock as well as in soft rock conditions. The accurate assessment of the

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  • New Roadheaders

    Alpine Sales Rental Corp. 801 Pleasant View BLVD, Bellefonte, PA. 16823 USA. PHONE: +1-814-355-0040 | FAX: +1-814-355-0046 | EMAIL: infoalpinecutters

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  • A Model to Predict The Performance of Roadheaders and

    Instantaneous cutting rates of roadheaders, rock compressive strength, rock quality designation and rock mass cuttability index values for Beşiktaş, Kurueme, Baltalimani, ş Eyp, and Hali tunnels are listed in Table 1. The values obtained for impact hammers applications in Istanbul Levent Metro Tunnel are also given in this table.

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  • roadheaders for sale

    Voest Alpine AM50 Roadheaders for sale Roadheaders Voest Alpine and Other Fair to Excellent Voest Apline AM65P roadheader Roadheaders Roadheaders for Tunneling, Excavation, and more Antraquip roadheaders are typically used for tunneling (road, railroad, water, sewer) or

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  • roadheader tunneling machine

    Roadheader, Roadheaders, Mitsui, Tunneling,Twin Header, . Mitsui SLB-300S is a 100ton Roadheader for Medium to Had Rock, 300KW Cutting Motor, suitable Shotcrete Machines; Underground Mining Tunneling . stone crusher project orissa. spare part of jaw crusher.

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  • Rock

    On this basis, the authors analyzed the influence of cutter spacing (30, 35, 40, and 45mm) over cutting force, rock breaking amount, and specific energy under two cutting methods: simultaneous

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  • Alpine

    Our blog for. Alpine Rockwheel D15 55hp Rock Concrete Grinding Attachment - Video. The D15 Rock Concrete grinder is an ideal tool for 13-20 ton excavators. This tool offers state-of-the-art hydraulic cutting power and precision, to create an efficient and productive excavation for trenches, scaling, footers or frozen

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