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.
CN103485786A - Steeply inclined coal seam strike long-wall ...
The method comprises that: (1) along a steeply inclined coal seam strike, mining roadways are tunneled in a parallel manner and in an upper-lower interval of 40-60 m, wherein the mining roadway is slightly and downward inclined along the coal seam strike, and forms an angle of 5-10 DEG with the horizontal direction, and a length of the mining ...
(PDF) COAL MINING METHODS - researchgate.net
coal mining methods, ... In the longwall mining method, mine dev elopment is carried out in such a manner tha t large blocks ... Coal Mine Saf ety Legislation in India is one of the most ...
Coal mining - Wikipedia
Tunneling method for coal mine strike type high suction tunnel. The invention provides a tunneling method for a coal mine strike type high suction tunnel, belonging to the technical field of down hole rock tunnel excavation ...
coal suction machine - csdpmap.eu
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USING THE POINT LOAD TEST TO DETERMINE THE UNIAXIAL COMPRESSIVE STRENGTH OF COAL MEASURE ROCK ... by various researchers and are dependent upon rock type. This ... the Coal Mine Roof Rating (CMRR). INTRODUCTION The point load test (PLT) is an accepted rock mechanics ...
USING THE POINT LOAD TEST TO DETERMINE THE UNIAXIAL ...
CRITERIA FOR SELECTION OF ADVANCED. TECHNOLOGY OF TUNNELING IN HARD ROCK MINING AND A CASE STUDY. By:- NIRMAL KUMAR MUNDA 114MN0280 ... Robbins TBM extends the life of a large underground mine Machine Type Main Beam TBM Diameter 4.6 m (15.1 ft) Tunnel Type Mining ... Underground Coal Mine Regulations1957(CMR) Uploaded by.
Advanced Technology of Tunneling in Hard Rock Mining ...
Shanghai kemei Mechanical and Electrical Co.,Ltd.(KM) is specialized in coal mining, coal mining, transportation equipment, research and development, manufacture and sale of large equipment. Mail Us We’d love to hear from you.
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tunneling method for coal mine strike type About KAMY Kamy’s roadheaders’ cutting-power ranges from 75kw upto 300kw and are used for water conservancy tunneling, sub-way/metro tunneling, drift construction in coal mines, highway tunneling, roadway tunneling, cutting rocks of different hardness.
cutting torch head - Roadheaders - schmoovies.com
Glossary of Mining Terminology. A. ... Angle of draw — In coal mine subsidence, this angle is assumed to bisect the angle between the vertical and the angle of repose of the material and is 20° for flat seams. For dipping seams, the angle of break increases, being 35.8° from the vertical for a 40° dip. ... Universal coal cutter — A type ...