Cutting to the core

The Split-Ring cutter has a cutter-ring made out of two halves clamped to the cutter hub. This allows changing of the cutter-ring while the cutter itself remains on the TBM.

Replacement of the cutter-ring can be carried out by one operator in approximately 10 minutes and requires only a lightweight nut-driver; the heaviest element to handle is 12.5kg.

The cutter is strongly built to allow many cutter-rings to wear out before the cutter itself needs servicing; for many cutter positions 10 cutter-rings. This eliminates the cuttershop, reduces downtime and increases productivity of the TBM and reduces heavy work for the TBM operators.

The individual cutter is more expensive, but increased component life is believed to compensate for this.

The Split-Ring cutter offers savings on budget, schedule and labour. It is also the only cutter development that satisfies the HSE requirements and is patent protected.

Split-Ring

Tel: +47 4816 3940
Email: post@split-ring.no

The Split-Ring cutter

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