Tungsten Carbide Shield Cutter

Tungsten Carbide Teeth Tips Tbm Shield Cutter for Tunnel Boring Machine Parts

TBM cemented carbide shield cutter for tunnel boring machine

Shield machine of Tunnelling tool is a kind of advanced equipment for underground tunnel construction. This equipment can do the field operation that not affect any construction on the ground. This is available and best choice for crowd city areas, protecting buildings or historic site on the ground.

There have a very big circle blade in the front of shield machine, We have mounting various kind of cutters on the blade. In order to promote stable and long life time of application, we have research and developed special tungsten carbide materials that mainly suitable for tunnel borer machine: high impact toughness, high abrasion resistance, stable physical ability, the appearance of fine workmanship etc. carbide shield cutter teeth are normally used for coring softer rock formations, overburden drilling, and cleaning of drill holes.

Selection of TBM carbide tips

The choice of this cutting tool is allowed to change during the tunnel operation. Nonetheless, we still recommend the tactic of using an exclusive type of carbide tips for different targeted strata from the outset, considering downtime and maintenance.

When penetrating hard gravelly and sandy soils, disc cutters should be applied. Using rippers for medium hard rocks and soils. Scrappers go for softer soil and crumbly rocks.

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