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SYNOPSIS. Rock has been cut in the process of mining since before the invention of explosives. Today, we seek to return to cutting to reap the benefits of continuous operations for South African underground hard-rock mines, to improve speed of access to t
WITS SPECIAL EDITION - VOLUME I . A review of rock cutting for underground mining: past, present, and future . D. Vogt. Centre for Mechanised Mining Systems, University of the Witwatersrand Johannesburg, South Africa
The air perforator effectively perforates installed steel or PVC casing. The steel casing perforating wheel punctures rows of approximately …
What You Can Expect From Perforators. The precision machined body is necessary to keep axle pins and other internal parts from becoming warped.
Alpine specializes in rock & concrete cutting attachments, roadheaders, and soil mixing. 40 years providing solutions for construction, mining, remediation.
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This is one of the great mining tools ever made. I have Eastman picks for hard rock but when you want to dig for gold material in sand, gravel, clay, etc., this tool is awesome.
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Construction - Casing Cutter housings are made of a thick-gauge steel. Casing Cutters must be made very durable to withstand extreme forces while cutting. High quality alloy materials are used.
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The Rock Straight System is the first commercial continuous mining and hauling system for underground hard rock applications, and it is now commercially available after extensive field testing.
Changes in Cutter Performance with ... Linear rock cutting ... The objective of this project was to determine how tool wear of a point attack pick impacts on cutting
The significant environmental effects of surface mines attract attention wherever the mines are located. Alteration of terrain, destruction of plant life and adverse effects on indigenous animals are inevitable consequences of surface mining.
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KAMY series of Roadheaders offers the best cutting performance in a wide range of rock formations. Equipped with geometrically optimized transverse or longitudinal cutter heads, these flexible machines can be used to excavate subway tunnels, road tunnels, railway tunnels and water tunnels without using explosives.