KAMY offers unmatched quality, value, and innovation in our rock and concrete cutting products. Our expertise in engineering and our quality, US manufactured tunneling, mining and construction equipment is unparalleled to others in the industry.
KAMY is the leading manufacturer of roadheaders in the weight class of 13-100 tons weight. Our roadheaders offer interchangeable cutter heads, both transverse and axial and are custom engraved for each project. Our hydraulic cutters are suitable for material with uniaxial compressive strength ranging from 500 to 25,000 pounds per square inch. All of our products can be utilized in a variety of applications from rock excavation, trenching, demolition and concrete, to underwater cutting, tunneling, and scaling.
Technology led the establishment of the quality assurance after-sales service, improve the management system.
Production license of the product ensure that the license number, approval date and expiration date.
Product packaging in line with national regulations, due to packaging damage caused by the products borne.
Any difficulties encountered by customers, we will do our best in the first time to provide perfect service.
Modern large diameter rock tunnels - TunnelTalk.com
Modern large diameter rock tunnels Apr 2010. Lok Home, President, The Robbins Company Recent experience and development of hard rock tunnel boring on most large diameter tunnels, especially above 8m in diameter, has shown that improved ground support is …
MODERN LARGE DIAMETER ROCK TUNNELS - The Robbins …
MODERN LARGE DIAMETER ROCK TUNNELS . Lok Home, President, The Robbins Company . SUMMARY . Recent experience and development of Hard Rock Tunnel Boring on most large diameter tunnels, especially above 8m in diameter, has shown that improved ground support is a
Large diameter rock tunnels - TunnelTalk
Large diameter rock tunnels - TunnelTalk 24/04/10 11:53 AM http://tunneltalk.com/Large-diameter-rock-tunnels-Apr10-Robbins.php Page 3 of 5 Rock fallout during boring
Tunnel - Wikipedia
Our large-diameter tunnel expertise makes SAK the right choice for a range of sewer line, water line or storm drain installations as well as projects outside the scope of auger-boring or conventional open-trench construction. ... utility, and pedestrian tunnels. Soft-Rock and Hard-Rock Tunneling: Soft rock comes in many forms, including ...
Large Diameter Tunneling | SAK Construction
Recent experience and development of Hard Rock Tunnel Boring on most large diameter tunnels, especially above 8m in diameter, has shown that improved ground support is a prerequisite to improved monthly advance rates.
Modern Large Diameter Rock Tunnels - UNITRACC
Our large diameter tunneling services can accommodate any utility service needs that require a tunnel boring machine for underground construction. Description: To create large bores in virtually any soil condition (including solid rock) typically requires large diameter tunneling. One of …
Specialized Services Company » Large Diameter Tunneling
Large Diameter Rock Bits are engineered for customer requirements. Concave sructure with quide nose give ecxellent accuracy in chanllenging jobs with high demands for hole straightness. PPV rock bits are available from 300mm to 1250mm diameter and for all major shank designs.
Tunnel boring machine - Wikipedia
The “invention” of a machine capable of excavating and supporting large-diameter tunnels in hard rock was one of the greatest achievements in the history of tunneling, and to say that this method of rock excavation revolutionized the design and construction of tunneling projects would be an understatement.