Rotary Rock Core Barrel Roller Bit for Piling
Rotary Rock Core Barrel Roller Bit for Piling
Cutting ring with roller bits and releases the internal stress of rock. Drilling with the method of rolling and squeezing can increases the anti-wear ability of the Rotary Pile Core Barrel. Small barrel facilitates the coring operation; large barrel performs stage breaking. Applicable layers:medium or slightly weathered rock, hard or superhard bedrock. 1.Cutting ring with roller bits and releases the internal stress of rock. It's very difficult for drilling augers or augers buckets to cut bedrock,boulders and hard permafrost directly.As a result,core barrels are designed to work together with them. Structure TWO Types:Coring type and non-coring type Soil:Very hard rock;Heavy reinforced concrete;Medium hard rock;Gravel and so on.
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