Twin disc cutters, also called double disc cutters, are mainly employed to excavate soft ground.
As twin disc cutters are mainly utilized in soft ground, they are often equipped with standard or TCI cutter rings.
The hubs are heat-treated to high hardness or hard faced on exposed section to improve wear resistance.
The metal seal employed greatly improves the sealing ability even under high pressure, thereby preventing leak of lubricant and ingress of foreign materials. As a result, the bearing has a longer lifetime. Under high water pressure, adding the pressure compensation device would be considered.
The cutter pre-torque value is adjusted to the proper level by preloading bearings correctly in soft ground, so the cutters can rotate freely and are prevented from being blocked.
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