China's first EPB TBM Exported to South America Was off the Production Line at CRCHI
...head adopts a composite design of 6 spokes and 6 panels, with a central support. Disc cutters, drag bits, and gauge scrapers are dressed on the cutte...Buying Advice for Bichak-Cutters
WARNING UNDER CONSTRUCTION. Bichak Cutters ("knives" or "scrapers") are cutters used for boring in soft to medium ground. Basically they are metal blocks often with tungsten-carbide bits (like sort of "teeth") on the edges which do the digging. Different TBM m...Tags: bichak cutters, tbm cutter knives, tbm knives, tbm cutter scrapers, tbm scrapers, herrenknecht knives, terratec scrapers
cover tunnel photo by: Matt Brown from London, England / CC BY
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