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.
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Mining in Europe has a very long history. Examples include the silver mines of Laurium, which helped support the Greek city state of Athens.Although they had over 20,000 slaves working them, their technology was essentially …Learn More
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Types of surface mining . Strip mining: This process involves the method of extracting the mineral by removing soil and rock which are deposited on the surface.Coal and Lignite are the two principle minerals that are extracted through this method.Learn More
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of dead vegetation began to accumulate, becoming tightly packed and compressed, and gave rise to different kinds of coal, each with a different carbon concentration: anthracite, bituminous coal, subbituminous coal, and lignite.Learn More
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Coal: Coal, solid, usually brown or black, carbon-rich material that most often occurs in stratified sedimentary deposits. It is one of the most important of the primary fossil fuels.Learn More
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Glossary of Mining Terms - rocksandminerals.com
Abutment — In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is tranLearn More
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