Tbm Cutter Head Factory – Hard Rock Disc Cutters – LYNE
Tbm Cutter Head Factory – Hard Rock Disc Cutters – LYNE Detail:
Disc Cutter is hard rock tool. It is to crush the rocks by the extruding force, shearing force and tensile force formed by cutter rolling. ( The rock strength, rock integrality, tunneling distance, sand content determine the selection, quantity, arrangement of Disc cutters on the Cutter Head). Disc Cutter is generally used in the loose strata which contain much gravels with the diameter bigger than 400mm, and the mixed ground with clay, sandy and up to 30MPa strength rocks.
Shield cutters are mainly used for construction of urban railway,traffic tunnel like metro,utility tunnel for supplying,emission and others.
Disc Cutter is hard rock tool. It is to crush the rocks by the extruding force, shearing force and tensile force formed by cutter rolling. ( The rock strength, rock integrality, tunneling distance, sand content determine the selection, quantity, arrangement of Disc cutters on the Cutter Head). Disc Cutter is generally used in the loose strata which contain much gravels with the diameter bigger than 400mm, and the mixed ground with clay, sandy and up to 30MPa strength rocks.
Pre-cutting Bit is the first tool to excavate the soil. It cut along the radial direction of tunnel face to loosen the soil in advance, which can significantly improve the fluidity of soil layer and reduce cutting resistance, thus raising cutting efficiency and reducing damage to the cutter bits. Pre-cutting Bit has very good performance in sandy gravel and calcareous concretion strata.
Heavy-duty Ripper is mainly used to break the lower strength and smaller-diameter cobbles and gravels;(Good cooperation with Cutter Bits is the primary consideration in the design of Pre-Cutting Bit. Pre-Cutting Bit cuts the soil mass into small pieces or loosens soil before Cutter Bits cutting in order to create good cutting condition for Cutter Bits. Pre-cutting Bit is half the cutting width of Cutter bit, so the cutting efficiency of Pre-cutting Bit is higher.
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HARD ROCK DISC CUTTERS | |
| Product Type | 14 | |
| Applications | TBM MACHINE | |
| Category | TBM Cutter Bits | |
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By Beatrice from Saudi Arabia - 2017.07.07 13:00