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.
Tunnelling shield - Wikipedia
Boulder or hard rock shield tunneling machine This is a shield machine that can crush boulders and bedrock at the face in order to make it possible to excavate ground that contains boulders or bedrock.
Tunnel boring machine - Wikipedia
TUNNEL BORING MACHINE (TBM) METHOD. There are two major shield methods around: earth pressure balanced (EPB) and slurry type shield machine. Selection of shield method depends on ground conditions, surface conditions, dimensions of the tunnel section, boring distance, tunnel alignment and construction period.
Shield tunneling machines | Products | Hitachi Zosen ...
Tunneling and TBM Method - p3planningengineer.com
A shield tunneling machine having incorporated therein an earth removing apparatus which comprises a tubular casing having an earth inlet at one end and a closable earth outlet at the other end, and an earth transport conveyor rotatably provided within the casing and comprising a helically twisted strip.
Tunnelling Technology & Equipment - herrenknecht.com
A shield tunneling machine comprises a shield body provided with a tubular head portion and a tubular tail portion disposed behind the head portion. The head portion and tail portion are interconnected by a plurality of thrusting jacks for moving both portions to and away from each other.
US4456305A - Shield tunneling machine - Google Patents
Tunneling shield, machine for driving tunnels in soft ground, especially under rivers or in water-bearing strata. The problem of tunneling under a river had defied the engineering imagination for centuries because of the difficulty of preventing mud and water from seeping in and collapsing the tunnel heading.
US4655493A - Shield tunneling machine - Google Patents
Shield Tunneling Machine is a large high-tech comprehensive construction equipment for tunneling project. The shield is equipped with excavation, drainage, assembly and propulsion machinery. The construction of tunnel structure is completed by the series operation of soil excavation, ballast-soil transportation, lining assembly and shield ...
Tunneling shield | engineering | Britannica.com
Shield tunneling is the excavation method best suited to conditions in Japan, where space is short, soft alluvial deposits are widespread, and the demand for tunnels is high. Developments in shield tunneling have con-tributed greatly to urban infrastructure develop-ment in this country.